Electromagnetic wave absorber and molded article with electromagnetic wave absorber
An electromagnetic wave absorber (1a) includes: a first layer (10a) being a dielectric layer or a magnetic layer; and a conductive layer (20a) provided on at least one surface of the first layer (10a). The conductive layer (20a) has a sheet resistance of 100Ω/□ or less after the electromagnetic wave absorber (1a) is exposed to an environment having a temperature of 85° C. and a relative humidity of 85% for 1000 hours. The electromagnetic wave absorber (1a) has a flexural rigidity of 7000 MPa·mm4 or less.
A power converter includes: a power module that converts direct-current electric power from a power storage apparatus and alternating-current electrical power to be supplied to a load; a charger that converts alternating-current electrical power supplied via an external connector to direct-current electric power and charges the power storage apparatus therewith; a case that accommodates the power module and the charger; a cooling-medium flow channel that is provided in the case and through which cooling medium flows, wherein the power module and the charger are arranged on the cooling-medium flow channel.
Devices, systems, and methods for thermal management of rack-mounted computing infrastructure devices
Devices, systems, and methods for thermal management provide conditioned air from an inlet of an electronics cabinet to a rear-mounted interface device using an enclosure mounted in the electronics cabinet. The enclosure is laterally expandable in order to make installation easier and to enable installation of the enclosure between electronics cabinets of several mounting widths. The enclosure is installed to an internal surface of the mounting rails of the electronics cabinet so that the interface devices are mounted directly to the mounting rails, so the enclosure does not support the mass of the interface devices.
Cooling chassis for a cooling system
The present disclosure describes a cooling chassis for a cooling system of a computer system. The cooling chassis includes a housing configured to allow air to pass through in a housing air flow direction. A first radiator is within the housing. The first radiator is oriented at a first oblique angle relative to the housing air flow direction. A first fan is configured to direct air through the first radiator in a first fan air flow direction oblique to the housing air flow direction.
Immersion cooling system with low fluid loss
Two-phase immersion cooling systems can be used to cool electronic components submerged within a dielectric working fluid, but are susceptible to costly losses of working fluid when the cooling systems are opened to allow access to the electronic components for service or replacement. By selectively sealing certain portions of the cooling systems, loss of vaporized working fluid can be reduced.
System for mounting a panel within an enclosure
Embodiments of the invention provide a system and a method for mounting a panel within an enclosure. Using one or more sets of mounting blocks, the panel and a frame of the enclosure can be secured together in respective horizontal orientations, then collectively rotated to a vertical orientation. The one or more sets of mounting blocks can include a set of stop blocks, each including a respective tongue, and a set of slide blocks, each defining a respective recess when seated on a frame member of the enclosure frame. Each tongue can be configured to nest within a corresponding recess when the mounting blocks secure the panel to a corresponding frame member.
Server with moveable signal cable and cable sleeve
A server includes a housing, a sled, a cable sleeve mounted to the sled, and an obstruction in the housing. The housing defines a sled channel and a cable channel. The sled can be inserted into the sled channel. A cable is positioned in the cable sleeve. The obstruction is aligned with the cable channel. Prior to the sled being inserted into the housing, the cable sleeve is in a first position aligned with the obstruction and the cable channel. As the sled is inserted into the housing, contact between the cable sleeve and the obstruction moves the cable sleeve to a second position. In the second position, the cable sleeve is not aligned with the obstruction and is positioned in the sled channel. The cable sleeve is biased towards the first position. As the cable sleeve travels past the obstruction, the cable sleeve moves back to the first position.
Electronic device including waterproof structure
An electronic device is disclosed. The electronic device includes a housing comprising a first face, a second face that faces opposite the first face, and a side face that encloses a space between the first face and the second face. The electronic device also includes a front plate disposed on the first face of the housing, and a display disposed between at least a partial region of the front plate and the first face, and comprises a first and a second layer. The electronic device further includes at least one first seal member disposed between an edge portion of the display and the first face, and at least one second seal member disposed between an edge portion of the front plate and the first face. The electronic device also includes a waterproof filler applied to fill a step region formed between the first seal member and the second seal member.
A display device is disclosed. The display device comprises a display panel, a module cover at a rear of the display panel and including a plurality of openings, and a bracket positioned at a rear of the module cover, the bracket including a plate and a plurality of pins formed on a front surface of the plate and configured to be correspondingly inserted into the plurality of openings, wherein each of the plurality of openings includes a guide portion having an elongated shape that is angled with respect to a horizontal axis, and an insertion portion in communication with the guide portion, wherein the insertion portion is configured to allow insertion of a corresponding pin of the plurality of pins to be engaged with the guide portion, wherein as the plurality of pins respectively travel along the corresponding guide portions, the module cover is tilted with respect to the bracket.
Housing to clad electrical components of a motor vehicle
A housing that accommodates and clads electrical components includes a first housing part with a contact area that bears against a windshield of a motor vehicle. A second housing part, which is connected to the first housing part to form a cavity, where the electrical or electronic components are arranged in the cavity. The first or the second housing part has a number of conductor tracks that are conductively connected to the electrical components. In addition, the disclosure relates to a motor vehicle having a housing of this kind and an on-board electronics system, wherein at least some of the conductor tracks are connected to the on-board electronics system.
Glass device housings
An electronic device may have a glass housing structures. The glass housing structures may be used to cover a display and other internal electronic device components. The glass housing structure may have multiple glass pieces that are joined using a glass fusing process. A peripheral glass member may be fused along the edge of a planar glass member to enhance the thickness of the edge. A rounded edge feature may be formed by machining the thickened edge. Raised fused glass features may surround openings in the planar glass member. Multiple planar glass members may be fused together to form a five-sided box in which electronic components may be mounted. Raised support structure ribs may be formed by fusing glass structures to a planar glass member. Opaque masking material and colored glass may be used to create portions of the glass housing structures that hide internal device components from view.
System for pressing pre-tin shaping
A pre-tin shaping system is disclosed. The pre-tin shaping system comprises a base securely holding a circuit board having a pre-tin layer, a heat-press unit having a contact tip, and a movable unit moving the heat-press unit relative to the base. The contact tip is movable to shape the pre-tin layer.
Laminated body comprising metal wire layer, and manufacturing method therefor
The present invention relates to a method for producing a metal wire embedded flexible substrate from a laminate structure. The laminate structure includes a carrier substrate, a debonding layer disposed on at least one surface of the carrier substrate and including a polyimide resin, a metal wiring layer disposed in contact with the debonding layer, and a flexible substrate layer disposed in contact with the metal wiring layer. The adhesion strength between the metal wiring layer and the flexible substrate layer is greater than that between the metal wiring layer and the debonding layer. According to the method of the present invention, the flexible substrate with the metal wiring layer can be easily separated from the carrier substrate even without the need for other processes, such as laser and light irradiation. The embedding of the metal wires in the flexible substrate layer decreases the sheet resistance of an electrode and can protect the metal wires from damage or disconnection even when the flexible substrate is deformed in shape.
Glazing equipped with an electrically conductive device possessing an improved resistance to temperature cycling tests
A glazing includes at least one substrate, one portion of which includes an electrically conductive element, the conductive element including a connector made of chromium-containing steel, which connector is soldered with a solder based on tin, silver and copper to an electrically conductive track, wherein the electrically conductive track, which is formed by fritting a silver paste including a mixture of silver powder and glass frit, has a resistivity measured at 25° C. lower than or equal to 3.5 μΩ·cm and a porosity level lower than 20%, the porosity level being measured by scanning electron microscopy from a cross section through the portion of the substrate including the electrically conductive track and having been polished beforehand by ion milling.
Removing unwanted flux from an integrated circuit package
A surface-mounted integrated circuit (IC) package is disclosed that has unwanted flux removed from surface-mounted IC. A bottom termination component (BTC) includes lands and a thermal pad. The lands provide an electrical connection from the BTC and the thermal pad provides heat transfer from the BTC. The thermal pad includes vias that are configured to remove flux generated from solder applied to the surface-mounted IC as the surface-mounted IC is assembled. A printed circuit board (PCB) is mounted to the BTC and is electrically connected to the BTC via the lands and receives heat transfer from the BTC via the thermal pad and includes a reservoir. The reservoir is configured to pull flux positioned between the lands into the reservoir as the flux is generated from the solder applied to the surface-mounted IC as the BTC is mounted to the PCB and as the surface-mounted IC is assembled.
Resin sheets which includes a support and a resin composition layer in contact on the support, and which are characterized in that an extracted water conductivity A of a cured product of the resin composition layer when extracted at 120° C. for 20 hours is 50 μS/cm or less and an extracted water conductivity B of the cured product of the resin composition layer when extracted at 160° C. for 20 hours is 200 μS/cm or less, can provide a thin insulating layer having excellent insulating properties.
Driving substrate, manufacturing process, and micro-LED array light-emitting backlight module
The present disclosure relates to a driving substrate, a manufacturing method, and a micro-LED array substrate light-emitting backlight module. The driving substrate includes a first metal layer, a first high-reflection layer, and a second metal layer stacked in a top-down sequence. The driving substrate, the manufacturing method, and the micro-LED array light emitting backlight module of the present disclosure solve the loss of reflectivity issue caused by the edge forbidden area of the electrode welding pad edge forbidden region. At the same time, the limited reflectivity of traditional coated high-reflective layers (such as white oil) may also be enhanced.
Electronic devices having ambient light sensors with electrostatic shields
An electronic device may be provided with a display. An opaque layer may be formed on an inner surface of a display cover layer in an inactive area of the display. An optical component window may be formed from the opening and may be aligned with an ambient light sensor such as a color ambient light sensor. The color ambient light sensor may have photodetectors on a light detector integrated circuit. Electrostatic shielding may be incorporated into the color ambient light sensor to prevent perturbations in the output of the color ambient light sensor due to the presence of electrostatic charge in the vicinity of the optical component window. The shielding may include a grounded shield layer on a surface of an ambient light sensor support structure that faces the display cover layer and may include a transparent shield layer overlapping the photodetectors.
Wiring board, optical semiconductor element package, and optical semiconductor device
A wiring board that includes a first dielectric layer having a rectangular plate form, a ground conductor wiring, a pair of signal conductor wirings, a ground conductor layer, and a second dielectric layer having a rectangular plate form. The ground conductor wiring is positioned on a first face of the first dielectric layer. The pair of signal conductor wirings carrying out signal transmission is positioned on the first face of the first dielectric layer. The ground conductor layer is positioned on a second face of the first dielectric layer. A first end portion of the signal conductor wiring extends to a first side of the first face. The region of the ground conductor layer where the first end portion of the signal conductor wiring is positioned in plan view is cut away inwardly from a first side of the second face opposing the first side of the first face.
Systems and apparatuses for high performance atmosphere thin film piezoelectric resonant plasmas to modulate air flows
Systems and apparatuses for applying a plasma actuator system for reducing aerodynamic drag of a vehicle by discharging plasma is provided. The system includes: at least one pair of thin films configured to integrate into a pair of electrodes wherein each of the thin films of the pair of thin films is composed of a thin film piezo-electric material; a dielectric configured as an insulator region to separate each electrode integrated with the thin film piezo-electric material; and a power supply to deliver alternating current to each electrode to provide a high voltage output obtained by the thin film piezo-electric material integrated with the pair of electrodes wherein the high voltage output is about 10 kV.
Lighting control program update system, update device, lighting device, and lighting control program update method
A lighting control program update system includes a wireless operation device, a plurality of lighting devices, and an update device. The wireless operation device outputs an operation instruction including first wireless operation device ID information. When the first wireless operation device ID information included in the operation instruction matches second wireless operation device ID information stored in the lighting devices, the lighting devices perform an operation in response to the operation instruction. The update device broadcasts a control program update instruction including third wireless operation device ID information that is identical to the first wireless operation device ID information to the lighting devices. When the third wireless operation device ID information matches the second wireless operation device ID information stored in the lighting devices, the lighting devices update a control program stored in response to the control program update instruction.
Method, system, and apparatus for detecting an energizing state of a light
An apparatus, system, and method of remotely monitoring receives, from an operation terminal, identification information and location information of a location of one or more lamps, stores, in a memory, the received identification information and the received location information in association with each other for the one or more lamps, updates log information regarding a log of a lighting condition of the one or more lamps, in response to an indication that an electric circuit of the one or more lamps is energized for the one or more lamps, and sends monitoring information corresponding to the log information of the electric circuit of the one or more lamps for display.
Lighting control device, lighting control method and lighting control program
A lighting controller is configured to make lighting control data in which lighting control information corresponding to a music piece is recorded and to control a lighting apparatus based on the lighting control data. The lighting controller includes: an information acquisition unit configured to acquire beat position information indicating beat positions of music piece data; a reference position plotting unit configured to plot a plurality of reference positions corresponding one-to-one to the beat positions of the beat position information; a lighting control information setting unit configured to set the lighting control information corresponding to the music piece; and a lighting control information editing unit configured to record the lighting control information with reference to the reference positions.
Systems and methods for self learning ambient light sensors
Systems and methods are provided for adjusting the brightness level of a lighting system based on an ambient light measurement from a lighting based sensor. Systems and methods are provided for adjusting the brightness level of a lighting system based on an ambient light measurement from a lighting based sensor. In one example, an ambient light level in a space is measured with an embedded ambient light sensor in a luminaire. The ambient light level measurement is adjusted based on a correlation of the measurement with previously stored illumination data. A brightness level is selected based on the adjusted ambient light level measurement. The space is illuminated using the chosen brightness level.
Ultraviolet irradiation device
An ultraviolet irradiation device includes a light source unit, a drive circuit, a sensing unit and a controller. The light source unit includes a plurality of light emitting devices and outputs ultraviolet light as irradiating light. The drive circuit supplies a drive current (Id) to the plurality of light emitting devices. The sensing unit senses a trouble in the plurality of light emitting devices. The controller controls the drive current (Id) in accordance with a result of sensing by the sensing unit. When an output of the light source unit is reduced due to a trouble in one or some of the plurality of light emitting devices, the controller controls the drive current (Id) of a plurality of light emitting devices other than the light emitting device in trouble so as to compensate reduction in the output of the light source unit.
Boost regulators with dynamic regulation band
Boost regulators with dynamic regulation band are disclosed. In certain configurations, a boost regulator system includes a field effect transistor (FET) current source having a gate controlled by a current level control signal, a source that receives a regulator output voltage, and a drain that outputs a current. The boost regulator system further includes a boost regulator that generates the regulator output voltage based on a reference voltage. The boost regulator includes a headroom detection circuit electrically coupled to the drain of the FET current source and operable to generate a headroom signal indicating a detected voltage headroom of the FET current source. The boost regulator further includes a regulator control circuit that controls a voltage level of the reference voltage based on the headroom signal, and that controls a size of a regulation band of the boost regulator based on the current level control signal.
Bearer management apparatus and method, and communication system
The embodiments of the present disclosure provide a bearer management apparatus and method, and a communication system. The method comprises: a user equipment (UE) receives an indication message, sent by a base station, for changing a bearer type of a bearer or releasing the bearer under dual connectivity; and changes the bearer type of the bearer or releases the bearer according to the indication message. Through the embodiments of the present disclosure, the UE configured with dual connectivity can seamlessly convert the bearer.
Method and apparatus for logging information
The present invention relates to a method and an apparatus for logging a radio resource control (RRC) failure of user equipment (UE) and receiving the log. According to one embodiment of the present invention, a method for logging an RRC failure of UE may comprise the steps of: attempting random access; if the failure of random access is sensed, logging information on the failure; and if the success of random access is sensed, transmitting information on the failure logged before the success to a connected base station. According to one embodiment of the present invention, an apparatus and a method which effectively log a channel state or a connection failure can be provided.
Communication device and non-transitory computer-readable recording medium storing computer-readable instructions for communication device
A communication device may shift an operation state from a first operation state to a second operation state in response to establishment of a first wireless connection via a first wireless interface with an external device. In the first operation state, a first response signal indicating that a WPS process is inexecutable is sent to the external device in a case where a first request signal is received from the external device, and in the second operation state, a second response signal indicating that the WPS process is executable is sent to the external device. The communication device may establish a second wireless connection via a second wireless interface with the external device by executing the WPS process, in a case where the first request signal is received from the external device via the second wireless interface after the operation state has been shifted to the second operation state.
Method and apparatus for supporting multiple connections over different types of access in 3GPP systems
A method and apparatus for routing packets from a home agent to a user equipment through a first access network and a second access network. The method includes sending a first binding update message from the user equipment over the first access network to create a first binding cache entry at the home agent. The user equipment uses a home address assigned to the user equipment as a source IP address of the first binding update message. The method further includes sending a second binding update message from the user equipment over the second access network to create a second binding cache entry at the home agent. The user equipment receives packets from the home agent through the first access network and the second access network based on the first binding cache entry and the second binding cache entry.
Wireless communication terminal and wireless communication method for multi-user uplink transmission
The present invention relates to a wireless communication terminal and a wireless communication method for efficiently scheduling multi-user uplink transmission.To this end, provided are a wireless communication terminal, including: a transceiver; and a processor, wherein the processor is configured to: receive, by the transceiver, a trigger frame that triggers a multi-user uplink transmission, perform a multi-user uplink transmission in response to the received trigger frame, and receive, by the transceiver, an ACK for the multi-user uplink transmission, wherein when the multi-user uplink transmission is performed on a resource unit in which a temporary association identifier (AID) is assigned by the received trigger frame, the processor obtains ACK information for the terminal from the ACK for the multi-user uplink transmission based on the temporary AID and a wireless communication method using the same.
Method for operating a fast random access procedure in a wireless communication system and a device therefor
The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for operating fast random access procedure in a wireless communication system, the method comprising: transmitting a RAP including a first RAP ID to an e-NodeB; starting monitoring a Physical Downlink Control Channel PDCCH addressed by RA-RNTI during RAR window; receiving, from the eNB, an indicator including at least one RAP ID, wherein one of the at least one RAP ID matches to the first RAP ID; and stopping monitoring the PDCCH addressed by RA-RNTI upon reception of the indicator.
Methods and apparatus to transmit data in a connectionless mode
Methods, apparatus, systems and articles of manufacture to transmit data in a connectionless mode are disclosed. An example method includes identifying, at a user equipment, that data exists to be transmitted to a destination address, the destination address encoded into the data. An indication is transmitted that the user equipment will transmit the data, the data to be transmitted without establishing a bearer with a wireless network. The data is encoded into a preamble of a random access channel message. The random access channel message is transmitted.
Method for terminal for carrying out carrier aggregation in wireless communication system and terminal utilizing the method
The present method, for a terminal carrying out carrier aggregation in a wireless communication system, comprises the steps of: receiving, from a base station, at least one downlink grant; determining whether or not the at least one downlink grant corresponds to a valid downlink grant; and on the basis of the determination, transmitting a physical uplink control channel (PUCCH), wherein the PUCCH transmission step, on the basis of the determination, comprises the steps of: if a downlink grant included in the at least one downlink grant is a valid down grant, then transmitting a PUCCH associated with the valid downlink grant; and if a downlink grant included in the at least one downlink grant is not a valid down grant.
Time division duplex (TDD) subframe structure supporting single and multiple interlace modes
Aspects of the present disclosure provide a time division duplex (TDD) subframe structure that supports both single and multiple interlace modes of operation. In a single interlace mode, control information, data information corresponding to the control information and acknowledgement information corresponding to the data information are included in a single subframe. In a multiple interlace mode, at least one of the control information, the data information corresponding to the control information or the acknowledgement information corresponding to the data information is included in a different subframe. Both single and multiple interlace modes can be multiplexed together within the TDD subframe structure.
User equipment and methods of bearer operation for carrier aggregation
Embodiments of a User Equipment (UE) to support dual-connectivity with a Master Evolved Node-B (MeNB) and a Secondary eNB (SeNB) are disclosed herein. The UE may receive downlink traffic packets from the MeNB and from the SeNB as part of a split data radio bearer (DRB). At least a portion of control functionality for the split DRB may be performed at each of the MeNB and the SeNB. The UE may receive an uplink eNB indicator for an uplink eNB to which the UE is to transmit uplink traffic packets as part of the split DRB. Based at least partly on the uplink eNB indicator, the UE may transmit uplink traffic packets to the uplink eNB as part of the split DRB. The uplink eNB may be selected from a group that includes the MeNB and the SeNB.
Data communications over a distributed multi-core wireless communication network
A wireless base station receives a Radio Resource Control (RRC) message having a Vehicle-to-X (V2X) service indicator from a User Equipment (UE) and transfers a UE message to a network core that serves the UE with the V2X service. The wireless base station receives another RRC message having a text/multimedia messaging service indicator from another UE and transfers a UE message to a different network core that serves the other UE with the text/multimedia messaging service. The wireless base station receives another RRC message having a video conferencing service indicator from a UE and transfers a UE message to yet another network core that serves the UE with the video conferencing service.
Communication system using a predetermined first carrier in a first cell and a second carrier in a second cell
Provided is a communication system that can be normally and efficiently operated in the case where existing carriers and new carrier types coexist. A base station device and a communication terminal device are configured to perform communication in cells of legacy carriers LC1 to LC3 being existing carriers. When the base station device starts operating new carrier types NCT1 and NCT2, the NCT1 and NCT2 are associated with legacy carriers belonging to the same frequency band. For example, the NCT2 is associated with the LC2 or the LC3 and is not associated with the LC1. The legacy carriers LC1 to LC3 associated with the NCT1 and the NCT2 notify the communication terminal device of the information on the NCT1 and NCT2. This allows the communication terminal device to communicate with the NCT1 and the NCT2.
Discontinuous reception communication synchronization method and apparatus
Embodiments of the present invention provide a discontinuous reception communication synchronization method and apparatus. The discontinuous reception communication synchronization method in the embodiments of the present invention includes: receiving a paging message delivered by a network element of a core network, where the paging message includes an extended discontinuous reception (DRX) indicator and/or extended DRX; calculating a paging time according to the extended DRX indicator and/or the extended DRX; and paging a terminal at the paging time. The embodiments of the present invention resolve a problem of extra power consumption caused by that a terminal frequently listens to a paging message during a process of communicating with a network, and also avoid a paging loss caused by that DRX between the terminal and the network is asynchronous.
System and method for network positioning of devices in a beamformed communications system
A method for receiving device position determination includes receiving beamformed position reference signals (BF-PRSs) on a plurality of communications beams from at least two transmitting devices in accordance with a BF-PRS configuration, making at least one observed time difference of arrival (OTDOA) measurement in accordance with the BF-PRSs on the plurality of communications beams, and transmitting OTDOA feedback including the at least one OTDOA measurement.
Method and apparatus for assigning mobile subscriber identification information to multiple devices according to location
Aspects of the subject disclosure may include, for example, a system that manages utilization of mobile subscriber identity information including enabling use of such information by different communication devices. The use of the same mobile subscriber identity information by multiple devices can be based on locations. Other embodiments are disclosed.
Timing synchronization of self-powered power sensors and a central controller collecting samples therefrom
A system and method for the synchronization of a central controller wirelessly for determining values of electrical parameters. The method includes sampling an electrical signal via at least one self-powered power sensor (SPPS); estimating, via the at least one SPPS, a time-stamp based on the sampled electrical signal; estimating, via the at least one SPPS, at least a first electrical parameter; generating a preamble of a packet; generating a synchronization information for a synchronization field of the packet; transmitting the packet components wirelessly; determining a time offset value for the packet based on the time-stamp and the transmission time-stamp of the synchronization information; and transmitting the time offset value by appending the time offset value to the packet, wherein the time offset value is used for determining at least a second electrical parameter.
Unified synchronization design under mixed deployments
Systems and methods herein create unified synchronization to support various network deployments in which multiple UE states (e.g., idle, connected, etc) and multiple synchronization signal periodicities (5 ms, 20 ms, etc.) and standalone/non-standalone networks may exist. Unified synchronization may be achieved at least by designating transmit frames as being even or odd. With such a designation, when a network transmits synchronization signals (SS) comprising the most significant bits (MSB)s of a frame's system frame number (SFN), a UE of any state may receive the SS according to any periodicity and blind decode the SFN's least significant bits (LSBs) with less complexity as compared to traditional systems and methods due at least to the even or odd frame designations.
Communication device, information processing device, control method, and program
A communication device includes transmitting means for transmitting a signal in one or more frequency bands of a frequency channel including a plurality of frequency bands, identifying means for identifying occupancy of the plurality of frequency bands, and control means for controlling transmission power for transmitting the signal from the transmitting means, on the basis of an identification result obtained by the identifying means.
Method and system for minimizing power consumption of user equipment during cell detection
A method and system for minimizing the battery power consumption of user equipment (UE) during inter-frequency cell detection in a heterogeneous network is disclosed. A serving cell in the heterogeneous network provides a relaxed cell detection indication to the UE on a specified frequency for cell detection. The UE applies the relaxed cell detection for detecting the cells on the specified frequency. During inter-frequency cell detection on specified frequency, the UE discards some normal measurement gaps. The inter-frequency cell detection is delayed as compared to normal cell detection time requirement using the normal measurement gaps. The UE deactivates the relaxed detection indication, upon detecting the inter-frequency cell and performs the continuous RSRP and RSRQ measurements for detected inter-frequency cell using all the normal measurement gaps to meet normal measurement accuracy and measurement reporting requirement.
Method and apparatus for on-demand mobile device access
Systems and methods are provided for on-demand access. An example network on-demand access method implementable by a device may comprise receiving a wakeup signal by an antenna of the device, deriving power from the received wakeup signal, determining, using the derived power, if the received wakeup signal corresponds to the device, and in response to the determination that the received wakeup signal corresponds to the device, setting the device to an active power mode.
Sensor provisioning in wireless sensor networks
A method for sensor provisioning in a wireless sensor network includes determining, at a gateway, that no neighboring gateway is present; in response to no neighboring gateway present, measuring signal strengths from a plurality of sensors; based on the measured signal strengths, identifying a sensor from the plurality of sensors to be paired with the gateway; and in response to identifying the sensor, pairing the gateway and the sensor to enable a secured connection between the gateway and the sensor.
Method and device for providing system information
Provided are a method for a distributed unit (DU) of a base station (BS) to broadcast system information in a wireless communication system, and a device supporting the same. The method may include: receiving system information owned by a central unit (CU) of the BS from the CU of the BS; receiving a request for the system information from a user equipment (UE); receiving a message of a command to broadcast the system information from the CU of the BS; and broadcasting the requested system information.
On-demand request for system information
A method for requesting system information. The method comprises transmitting a request for at least one system information block group, each of which comprises one or more system information blocks, from a user terminal to a network node. The one or more system information blocks is/are grouped according to a feature of the one or more system information blocks. The method may further comprise receiving one or more system information block groups from the network node. The one or more system information block groups may comprise the at least one system information block group.
Activity mode for a cellular connection
A device sets an activity mode for a cellular connection. A method to set the activity mode is performed at a device located with a user that is configured to establish a network connection to a network. The method includes determining a status of the user, the status indicating an activity state or a non-activity state of the user. The method includes, when the status indicates the activity state, activating an activity mode on the device that restricts select types of mobile originating data traffic.
Apparatuses and methods therein for relaying data in a wireless communications network
A method performed by a first wireless node for enabling relaying by a relaying wireless node of data intended for reception by a second wireless node. The first wireless node, second wireless node and relaying wireless node each operate in a wireless communications network. The first wireless node transmits a first payload data to the relaying wireless node. The first payload data comprises a second payload data intended for the second wireless node. The first payload data further comprises an indicator, which indicator indicates to the relaying wireless node how to relay the second payload data. The indicator comprises parameters related to radio transmission of the second payload data.
Radio communication apparatus, radio communication system, connection management method, and non-transitory computer readable medium
A radio communication apparatus (10) according to the present disclosure includes: a communication unit (11) connected to at least one radio terminal (20) via wireless LAN; a communication unit (12) connected to a radio communication apparatus (30) including a sensor via wireless LAN and receiving a result of a detection in the sensor indicating that a person is approaching from the radio communication apparatus (30); a monitoring unit (13) for monitoring a radio wave condition between the communication unit (11) and the at least one radio terminal (22) to which the communication unit (11) is connected via wireless LAN; and a connection control unit (14) for canceling, when the result of the detection is received, wireless LAN connection with a radio terminal in which the radio wave condition is lower than a predetermined quality.
Handover apparatus and method for avoiding in-device coexistence interference
The present disclosure relates to a handover apparatus and method capable of avoiding in-device coexistence interference. In order to prevent handover failure due to in-device coexistence interference, an SeNB provides TDM information (including TDM pattern information or TDM activation information) to a UE during a handover procedure, and the UE performs the handover with a TeNB according to the provided TDM information. By the disclosure, the UE can perform ISM signal transmission/reception and LTE signal transmission/reception with the TeNB in a discriminated manner according to a particular TDM pattern, so as to prevent handover failure due to the in-UE coexistence interference.
Control node, network node, and methods performed therein
A control node (142) used in connection with a core network (120) operates to transmit a relocation command message related to a first network node (121S) located in the core network (120) and performing mobility management and bearer management of a plurality of mobile terminals (111) that have attached to the core network (120). The relocation command message causes relocation, from the first network node (121S) to at least one second network node (121T), of the mobility management and the bearer management for at least one of the plurality of mobile terminals (111). This contributes, for example, to relocation of mobility management and bearer management of a plurality of mobile terminals between network nodes regardless of the movement of those mobile terminals.
Device and method of handling a bearer change in dual connectivity
A network comprising a first base station (BS) and a second BS is configured to execute instructions of the first BS transmitting a first radio resource control (RRC) message on a signaling radio bearer (SRB) to a communication device, wherein the first RRC message configures a data radio bearer (DRB); the first BS receiving a first RRC response message from the communication device on the SRB, in response to the first RRC message; the first BS receiving a first plurality of packet data convergence protocol (PDCP) Service Data Units (SDUs) associated to the DRB from the communication device; and the first BS performing a dual connectivity (DC) operation procedure for the communication device with the second BS to modify the DRB to be a secondary cell group (SCG) bearer or a split bearer.
Indicating status of forwarded data
Apparatuses, methods, and systems are disclosed for indicating data status to a target base unit. One apparatus includes a transceiver that communicates with a remote unit and a processor. The processor determines to handover the remote unit to a target base unit. The processor forwards data for the remote unit to the target base unit and transmits the forwarded data to the remote unit. The processor also sends a status message to the target base unit, the status message indicating that forwarded data was successfully transmitted to the remote unit.
Method and arrangement for distributing information during broadcast delivery
A BM-SC, and a method therein for transmitting data file by broadcast session to at least one UE, in a radio communication system; and a UE and a method therein for receiving a broadcast session of transmission of a data file from a BM-SC are provided. The method in the BM-SC comprises determining to transmit the data file to the at least one UE, and determining a FEC redundancy level to use for the transmission. The method also comprises transmitting, to the at least one UE, the data file using the determined FEC redundancy level and an indication of the determined FEC redundancy level.
Methods for configuring buffer status report for next-generation mobile communication and apparatuses thereof
Provided are a method and apparatus for efficiently transmitting a buffer status report for a plurality of logical channel groups (LCG) from a terminal to a base station. The method may include receiving allocation information for uplink resources from a base station; determining whether the number of padding bits for data transmission using the uplink resources is i) greater than or equal to a first value and ii) less than a second value; determining whether available data for uplink transmission is present in one or more logical channel groups (LCGs) when the number of padding bits is greater than or equal to the first value and is less than the second value; and transmitting Short Truncated BSR or Long Truncated BSR to the base station according to a result of comparison between the number of padding bits and the first value when available data for uplink transmission is present in the one or more LCGs.
Prioritizing packets in wireless communications
Aspects of the present disclosure describe transmitting data in wireless communications. A set of packets for transmission in a defined sequence can be received where the set of packets includes two or more packets. It can be detected that a packet, of the set of packets, is a prioritized packet type. The packet can be prioritized for transmission ahead of its order in the defined sequence based on the detection of the prioritized packet type. The packet can be transmitted ahead of its order in the defined sequence to an access point.
System and method for determining capacity utilisation in a heterogeneous network
Embodiments of the present invention relate to a system and method for determining a capacity utilisation of at least one of a cluster  and a base station . More particularly, the embodiments may disclose a method for determining the capacity utilisation by receiving at least one message from at least one user equipment , wherein the at least one user equipment  belongs to the at least one cluster  having at least one cluster identifier and the at least one message includes uplink data and downlink data of the at least one user equipment ; generating a capacity utilisation list for said at least one cluster ; updating the capacity utilisation list with the uplink data and the downlink data; and determining a capacity utilisation for at least one of the cluster  and the base station  based on the uplink data and the downlink data.
Device and method of handling system information in a wireless communication system
A network for transmitting system information (SI) to a plurality of communication devices comprises a storage device for storing instructions and a processing circuit coupled to the storage device. The processing circuit is configured to execute the instructions stored in the storage device. The instructions comprise transmitting first SI on a wide beam on a carrier, wherein the first SI comprises a first beam configuration; transmitting second SI on a first narrow beam on the carrier according to the first beam configuration, wherein the second SI comprises scheduling information and a second beam configuration; and transmitting third SI on a second narrow beam on the carrier according to the scheduling information and the second beam configuration.
Spectrum access sharing front-end processor for mobile management entities
Concepts and technologies are disclosed herein for providing a spectrum access sharing front-end processor for mobile management entities. A front-end processor of a mobile management entity associated with a carrier network can receive a spectrum allocation message. The spectrum allocation message can include data that indicates a spectrum allocation that should be implemented by the carrier network. The front-end processor can identify an eNodeB that is controlled by the mobile management entity, generate, based on the spectrum allocation message, a signaling command that includes data that indicates the spectrum allocation, and send the signaling command to the eNodeB.
Electronic apparatus and method of selectively applying security mode in mobile device
A method of a mobile device including a display unit having a panel to display a screen to set the mobile device to a security mode requiring a security check process to enter a password for a user to access a normal mode of the mobile device, a functional unit to photograph an object and sense a motion of the mobile device, and a control unit configured to not apply the security check process for the normal mode of the mobile device according to the photographed object and the sensed motion of the functional unit.
Communication apparatus, communication method, and program
[Object] To provide a communication apparatus, a communication method, and a program, each of which is capable of achieving both security and convenience of communication in transmission of information.[Solution] A communication apparatus, including: an acquisition unit configured to acquire information on a position or external environment of the communication apparatus; and a control unit configured to control transmission of information containing first identification information of the communication apparatus in the case where the information acquired by the acquisition unit satisfies a predetermined condition. A communication method, including: acquiring information on a position or external environment of a communication apparatus; and controlling transmission of information containing first identification information of the communication apparatus in the case where the acquired information satisfies a predetermined condition.
Untrusted device access to services over a cellular network
Cellular networks regularly operate with trusted devices, which typically are trusted because of the integration of a SIM card therewith. Untrusted devices typically do not interface with a SIM card, and rely on user input through traditional user interfaces for authentication. Recently, the use of hands-free, always-on digital assistant devices have become more common. Such devices typically have only a voice user interface that may be used by a number of people in close proximity to the device. Particular problems arise in such a scenario when a user wants to access a secure service that requires user authentication. Such problems are addressed with multiple techniques described herein.
User verification system and its implementing method
The invention discloses a user verification system and its implementing method. When a mobile device connects to a registration module of the user verification device to execute registration procedure, the unregistered identification code of mobile device will be sent to the user verification device. Then, a comparison module will search and verify the unregistered identification code in the user database. If there is no matching identification codes, the registration procedure would be completed, on the contrary, a verification module will send the verification massage to mobile devices that have the same identification code. Someone who responses the verification message would proceed to execute registration and login procedures. Therefore, the invention could prevent users from being annoyed with the complex verification procedure and reduce the cost of sending verification messages.
Switching mobile service provider using blockchain
An example operation may include one or more of receiving, by a mobile service provider, a mobile number portability request from a mobile device connected to a current mobile service provider; fetching mobile device porting data from a blockchain ledger accessible by the mobile service provider and by the current mobile service provider; verifying fetched mobile device porting data; in response to a successful verification, sending a request to the blockchain ledger to update current mobile service provider data; and receiving a notification from the blockchain indicating that a connection between the current mobile service provider and the mobile device is disconnected; porting a mobile device number; and updating the mobile device porting data in the blockchain ledger.
Apparatuses, methods, and communication systems for performing communication via X2 interface
A communication system is disclosed comprising a gateway, a number of base stations, and a mobile device. The gateway holds information mapping address data for each base station to information identifying a respective cell operated by that base station. A base station obtains information identifying a cell operated by a neighbour base station and provides this information to the gateway. The gateway obtains from the information held address data for the neighbour base station based on the information identifying the cell operated by the neighbour base station. The gateway generates and sends a message including address data to the base station. The base station receives the message and establishes a connection with the neighbour base station using the address data.
Service in WLAN inter-working, address management system, and method
A mobile terminal associated with a first wireless communication network includes a transceiver that sends a service request message to a first wireless communication network element via a second wireless communications network. The request message requests a service from the second wireless communications network. The transceiver receives service from the first wireless communication network without requiring the mobile terminal to perform an access control procedure with the second wireless communications network.
Methods and systems of configuring electronic devices
A system of configuring a new device may include a new device that is not configured with one or more settings. The new device includes a short range communication transmitter and programming instructions configured to cause the new device to operate in a discoverable mode. The system includes an existing device that is configured with the settings, and that includes a short range communication receiver and programming instructions. The programming instructions are configured to cause the existing device to receive instructions to set up the new device, in response to receiving the instructions, detect, by the short range communication receiver, a presence of the new device by detecting the broadcast signal within a communication range of the short range communication receiver, and in response to detecting the presence of the new device, transmit at least a portion of the one or more settings directly to the new device.
Method and system for WLAN D2D technology and LTE prose interworking, prose optimization
The various embodiments of the present invention disclose a method of transmitting a Wireless Local Area Network (WLAN) discovery frame over a PC5 link. According to one embodiment, the method includes registering, by one or more User Equipment's (UE), with a Prose Server by sending a capability information for receiving direct discovery or communication parameters, policies, authorization, provisioning and radio resources by the prose server, the one or more UE's to include a WLAN discovery frame in a PC5 message, transmitting, by a first User Equipment, a PC5 discovery message to a second User Equipment, indicating by the second UE, a message to a neighbor awareness networking (NAN) discovery engine indicating the reception of PC5 Discovery message along with the WLAN discovery frame, and establishing by the second UE, a WLAN communication link with the first UE, without performing a WLAN discovery search.
Method and system for an emergency location information service (E-LIS) for Internet of Things (IoT) devices
A method and system for determining and verifying a location of network devices connected to the Internet of Things (IoT). The method and system provide a current physical geographic location for such IoT network devices and/or a user of the IoT network device in an emergency situation such as an accident, health, fitness, fire, terrorist attack, military incident, weather, flood event, etc. and forwarding the current physical geographic location to a legacy 911 network, NG-911 network, a Emergency Services IP networks (ESInet) or text-to-911 Short Message Services (SMS) networks to alert emergency responders.
Remote control, electronic apparatus and pairing method thereof
A remote control apparatus is provided. The remote control apparatus according to an embodiment includes a microphone, a communicator comprising communication circuitry configured to transmit a first advertising packet, and to receive a second advertising packet including respective addresses of a plurality of electronic apparatuses from the plurality of electronic apparatuses in response to transmission of the first advertising packet, and a processor configured to, based on the second advertising packet being received, determine a priority based on reception characteristic of the second advertising packet, and transmit a third advertising packet including a sound output request and an address of an electronic apparatus determined based on the priority from among the received addresses of the plurality of electronic apparatuses through the communicator, and based on sound output from an electronic apparatus being received through the microphone in response to transmission of the third advertising packet, to control the communicator to perform a pairing with the electronic apparatus which outputs the sound.
Measuring and analyzing the movement of mobile devices with the help of a wireless telecommunication network
The aim of the disclosed method is to measure and analyze the movement of mobile devices utilizing their communication with a telecommunication network. This includes receiving telecommunication control data associated with the mobile devices, which comprise at least a timestamp, a unique identifier of the mobile device and information on the location of the device. The corresponding data is organized in data objects, which group all data sets associated with a single mobile device identifier. The data objects are extended by additional attributes, which can be derived using algorithms that parse the data objects. The objects are thus extended in a way that all information stored in the data objects, i.e. the raw telecommunication control data and the attributes, is available for all subsequent analysis.
Device position obtaining method, and device
A method includes obtaining, by a first device, BLUETOOTH connection information of a second device, obtaining, by the first device according to the BLUETOOTH connection information, a BLUETOOTH signal from the second device, determining, by the first device according to the obtained BLUETOOTH signal from the second device, position information of the second device, and sending, by the first device, the position information to a third device.
Location based information service application
A method and system for providing audio information to a mobile device relating to geographical elements at the geo-location coordinates of a location on a map on a screen on the device. The method and system provide for selecting and sending electronic files to the device relating to different geographical elements at the geo-location coordinates.
Method and apparatus for operating electronic device based on environmental information
A method and apparatus for operating an electronic device based on environmental information are provided. The electronic device includes sensors functionally connected to the electronic device; and at least one processor configured to: receive, at least one sensor of the sensors, environmental information corresponding to a surrounding area of the electronic device, determine a risk level based on the environmental information, perform a first function if the risk level satisfies a first condition, and perform a second function if the risk level satisfies a second condition different from the first condition.
Apparatus and method for processing multi-channel audio signal
Disclosed is an apparatus and method for processing a multichannel audio signal. A multichannel audio signal processing method may include: generating an N-channel audio signal of N channels by down-mixing an M-channel audio signal of M channels; and generating a stereo audio signal by performing binaural rendering of the N-channel audio signal.
Playback device with multiple sensors
Examples described herein involve configuring a playback device based on distortion, such as that caused by a barrier. One implementation may involve causing the playback device to play audio content according to an existing playback configuration, determining an existing frequency response of the playback device in a given system, and determining whether a difference between the existing frequency response of the playback device in the given system and a predetermined frequency response for the playback device is greater than a predetermined distortion threshold. If it is determined that the difference between the existing frequency response of the playback device and the predetermined frequency response for the playback device is greater than the predetermined distortion threshold, then the existing playback configuration of the playback device is changed to an updated playback configuration of the playback device and the playback device plays audio content according to the updated playback configuration.
MEMS transducer system and associated methods
The disclosure provides a system, comprising: a MEMS capacitive transducer, comprising one or more first capacitive plates coupled to a first node and one or more second capacitive plates coupled to a second node; biasing circuitry coupled to the first node, operable to provide a biasing voltage to the one or more first capacitive plates; and test circuitry coupled to the second node, operable to: selectively apply one or more current sources to the second node, so as to charge and discharge the MEMS capacitive transducer and so vary a signal based on a voltage at said second node between an upper value and a lower value; determine a parameter that is indicative of a time period of the variation of the signal; and determine a capacitance of the MEMS capacitive transducer based on the parameter that is indicative of the time period.
Automated fitting of hearing devices
Systems and method for pre-fitting a sound processing device for a user in accordance with embodiments of the invention are disclosed. In many embodiments, systems and methods can be executed by a computing device and include obtaining a hearing map representing the user's hearing, establishing a virtual signal processing path in the computing device which reflects a signal processing function of the sound processing device, updating parameters of the virtual signal processing path based on said hearing map, and passing an audio signal through the virtual signal processing path and playing back the processed audio signal to the user.
Ear-worn electronic device incorporating directional magnetic antenna
An ear-worn electronic device includes a housing comprising a first end and an opposing second end, a first side and an opposing second side, and the first and second sides extending between the first and second ends. The first side is configured to contact the wearer's head. A battery is disposed within the housing proximate the first end. An acoustic receiver or an acoustic receiver connector is disposed within the housing proximate the second end. Electronics including a near-field magnetic induction (NFMI) radio are disposed in the housing. A directional magnetic antenna is situated in or on the housing and coupled to the NFMI radio. The antenna comprises a core having a complex shape and a coil wound around a portion of the core. The core comprises a closed end oriented toward a source of magnetic noise and an open end oriented away from the source of magnetic noise.
Wireless system for hearing communication devices providing wireless stereo reception modes
The present subject matter relates to the wireless stereo reception of first and second audio information by wireless hearing communication devices. One type of device which may employ the present subject matter is a hearing assistance device, such as a hearing aid. Various forms and protocols of signal transmission are employed in varying embodiments. The present subject matter includes various communication modes such as eavesdropping modes and relaying modes.
Adaptive level estimator, a hearing device, a method and a binaural hearing system
An adaptive level estimator for providing a level estimate of an electric input signal representing sound is provided. The adaptive level estimator comprises a first level estimator that provides a first level estimate of the electric input signal in a first number K1 of frequency bands; a second level estimator that provides attack/release time constants associated with a second level estimate of the electric input signal in a second number K2 of frequency bands, wherein K2 is smaller than K1; and a level control unit that provides a resulting level estimate based on said first level estimates and said attack/release time constants associated with said second level estimates. The level estimator may be used in devices or applications that benefit from a dynamic adaptation of an input signal level to a listener's dynamic range of sound level perception, or to any other specific dynamic range deviating from that of the environment sound.
Electret element, microphone having electret element mounted therein and electret element manufacturing method
An electret element includes: an electret film that contains silicon oxide; and a protective film formed over the electret film and constituted of aluminum oxide deposited through an atomic layer deposition method.
Devices and methods for hearing
A device to transmit an audio signal to a user comprises a transducer and a support. The support is configured for placement on the eardrum to drive the eardrum. The transducer is coupled to the support at a first location to decrease occlusion and a second location to drive the eardrum. The transducer may comprise one or more of an electromagnetic balanced armature transducer, a piezoelectric transducer, a magnetostrictive transducer, a photostrictive transducer, or a coil and magnet. The device may find use with open canal hearing aids.
Audio denoising and normalization using image transforming neural network
Techniques are disclosed for reducing noise from an audio signal. A methodology implementing the techniques according to an embodiment includes generating a 2-dimensional (2D) spectrogram of a received audio signal and applying the 2D spectrogram to an image transformation neural network that is trained to transform the 2D spectrogram to generate an output spectrogram representing a denoised version of the received audio signal. The method further includes converting the output spectrogram to the time domain to generate the denoised audio signal. The neural network is trained on spectrogram images of clean and corrupted versions of training audio signals such that the trained neural network converts a spectrogram image of a corrupted audio signal into a spectrogram image more closely resembling a spectrogram of the associated clean audio signal. The denoising may also include removal of other degradation effects, including reverberation, unwanted voices, and unwanted music, from an audio signal.
Apparatus and method for tagging media content and managing marketing
A method that incorporates teachings of the present disclosure may include, for example, transmitting media content to a group of set top boxes for presentation with an overlay superimposed onto the media content, where the overlay can include a timeline corresponding to the presentation of the media content and receiving a first comment from a first set top box of the group of set top boxes, where the first comment is presentable with the overlay and the media content by the group of set top boxes. Additional steps can include receiving a tag generated at a first set top box during presentation of the media content, presenting the tag while the media content is presented, correlating the tag to a portion of the media content timeline and analyzing metadata associated with the portion of the timeline that is tagged to determine a first marketing parameter. Other embodiments are disclosed.
Video playback in group communications
Aspects of the disclosure describe video playback in group communications. A method includes receiving a request for a video from a messaging application providing a group communication comprising messages, instructing a first client device to display a graphical representation of a video in a user interface (UI) of the messaging application, the first client device associated with a first user participating in the group communication with other users, receiving first user input comprising a selection of the graphical representation of the video in the UI during the group communication, responsive to the first user input, initiating playback of the video in a video playback portion of the UI, allowing input, via the UI, of other messages for the group communication during playback of the video, and maintaining the video playback portion of the UI visible to the first user while the first user scrolls through the messages of the group communication.
Systems and methods for indicating progress within a media asset
Systems and methods are described for indicating progress within a media asset. An illustrative method retrieves a content preference from a database, identifies a plurality of segments of a media asset that match the content preference, each segment of the plurality of segments having a respective duration. The method further calculates a first sum of the respective durations of the plurality of segments of the media asset that match the content preference, determines which of the plurality of segments that match the content preference precede an output position of the media asset, calculates a second sum of the respective durations of the segments determined to precede the output position of the media asset, and generates for display a progress indicator of the media asset based on the second sum as a percentage of the first sum.
Calibration system for audience response capture and analysis of media content
A calibration system for media content comprises a memory, a media device, a plurality of different types of sensors, and a control circuitry. The memory is configured to store a media item and expected-emotions-tagging metadata for the media item. The control circuitry is configured to compute a reaction delay for a first emotional response of the audience captured by the plurality of different types of sensors for a first scene of the media item with respect to a position of the first marker. The first scene of the media item spans a first time slot that corresponds to the first scene in the media item. The control circuitry is configured to calibrate the position of the first marker to associate a first set of frames of the first scene with the first emotional response, based on at least the computed reaction delay.
Disclosed is a computer-implemented method of triggering an instance of companion software to perform an expected action related to a piece of media content during a delivery of that media content by a media device to a content consuming user, the method comprising: the instance of the companion software receiving a synchronization signal transmitted when, in delivering the media content, the media device reaches a reference point in the media content, wherein the synchronisation signal conveys a time instant of that reference point; measuring a current elapsed time from the time instant of the reference point; accessing computer storage holding an association of the expected action with a time instant of a trigger point in the media content; and triggering the expected action when the current elapsed time substantially matches the time instant of the trigger point.
System and method for providing content in autonomous vehicles based on perception dynamically determined at real-time
In one embodiment, an image analysis is performed on an image captured using a camera mounted on an autonomous vehicle, the image representing an exterior environment of an autonomous vehicle. Localization information surrounding the autonomous vehicle is obtained at a point in time. A perception of an audience external to the autonomous vehicle is determined based on the image analysis and the localization information. One or more content items are received from one or more content servers over a network in response to the perception of the audience. A first content item selected from the one or more content items is displayed on a display device mounted on an exterior surface of the autonomous vehicle.
Method and apparatus for modulating a video signal with data
A system for transmitting auxiliary data within a modulated video signal from a broadcast source to a hand-held device with a slot, the system comprising the broadcast source comprises means for transmitting auxiliary data to the slotted hand-held device via the modulated video signal; an interface device electronically coupled to the hand-held device via the slot and comprises a card microcontroller, a receiver electronically coupled to the card microcontroller for receiving the modulated video signal from the broadcast source, and circuitry electronically coupled to the card microcontroller and the receiver for demodulating the modulated video signal and reproducing the auxiliary data, and transferring the auxiliary data to the hand-held device via an interface protocol, and the hand-held device with the slot comprises a microcontroller for processing the signal auxiliary data received via the interface protocol from the interface device.
Method and device for transmitting and receiving broadcast service in hybrid broadcast system on basis of connection of terrestrial broadcast network and internet protocol network
The present invention relates to a device for receiving a hybrid broadcast service and a method for transmitting the same. The device for receiving a hybrid broadcast service, according to one embodiment of the present invention, comprises: a first reception unit for receiving a first broadcast signal transmitted through a first network; a second reception unit for receiving a second broadcast signal transmitted through a second network, wherein the broadcast signal includes a service information table; a signaling information processing unit for extracting the service information table from the broadcast signal, wherein the service information table includes a component identifier descriptor for signaling information for identifying each of a plurality of components constituting one broadcast service, the component identifier descriptor including identification information; and an audio/video processing unit for acquiring the broadcast service including the plurality of components by using the component identification information, and decoding and reproducing the acquired broadcast service.
System and apparatus for enhancing delivery of media services
A system that incorporates teachings of the present disclosure may include, for example, providing a first media program of a group of media programs for presentation at a media device. A first request for content information related to a second media program is received from a mobile device during the presentation of the first media program. A second request for the content information, responsive to the first request, is transmitted to a media system via a communication network. The content information is provided to the mobile device concurrently with the presentation of the first media program. The first media program is buffered at a digital video recorder while providing the content information, and the digital video recorder is directed to record the second media program in response to receiving a selection from the mobile device. Additional embodiments are disclosed.
Sharing television and video programming through social networking
In particular embodiments, one or more computer systems of a social-networking system determine a first media device of a first user of a social-networking system and determine a second media device of a second user of the social-networking system. The one or more computer systems access a social graph of the social-networking system, update the social graph based on the determined first and second media devices, and stream media from the first media device to the second media device using the updated social graph. The social graph includes nodes and edges connecting the nodes, the nodes including user nodes that are each associated with a particular user of the social-networking system and concept nodes that are each associated with a particular media device.
Systems and methods that match search queries to television subtitles
A process identifies a search query spike from queries submitted by users during a first span of time, which is less than a predefined duration. The spike corresponds to a set of queries identified as equivalent. The frequency of submitting queries from the set during the first time span exceeds the frequency of submitting queries from the set during an average span of time. The process correlates the spike to a broadcast video program by matching terms from the set of search queries to subtitle terms appearing in the video program at a first location. The first location in the video program was broadcast within a predefined time before the first span of time. The process receives notification from a user device indicating user interest in the video program. The process transmits to the user device search results corresponding to some search queries from the set of search queries.
Providing supplemental content for a media stream using a multicast system
An example includes monitoring a media stream for a break of the media stream, the media stream being received by a media client; detecting the break of the media stream, where detection of the break indicates that supplemental content is to be provided during the break; sending a request for supplemental content information to a supplemental content server; receiving the supplemental content information for the break from the supplemental content server, the supplemental content information being based on the location of the media client; streaming the supplemental content to the media client within a supplemental content stream; and sending a notification to the media client, the notification including information that enables the media client to access the supplemental content stream during the break of the media stream based on the notification.
Region-of-interest encoding enhancements for variable-bitrate mezzanine compression
A specification defining allowable luma and chroma code-values is applied in a region-of-interest encoding method of a mezzanine compression process. The method may include analyzing an input image to determine regions or areas within each image frame that contain code-values that are near allowable limits as specified by the specification. In addition, the region-of-interest method may comprise then compressing those regions with higher precision than the other regions of the image that do not have code-values that are close to the legal limits.
Method and apparatus for image compression without residue signaling
A method and apparatus of image coding including a no-residue prediction mode are disclosed. At the encoder side, current predictors for a current coding unit are determined according to a target prediction process associated with a target prediction mode. The current predictors are determined based on pixel data including reconstructed pixels in the current slice or the current image. The target prediction process is applied to the current coding unit using the current predictors to generate prediction residues. A distortion condition or a cost measure for the prediction residues is determined. If the distortion condition is satisfied or the cost measure favors coding without the prediction residues, the current coding unit is encoded into current compressed bits of the current coding unit without compressed data associated with the prediction residues. A corresponding decoding method and apparatus are also disclosed.
Picture decoding method for decoding coded picture data and performing distortion removal by comparing pixel difference values with threshold
A picture decoding method is provided for decoding coded picture data. The method includes decoding the coded picture data to obtain a reconstructed picture. The method also includes removing coding distortion in an area disposed on both sides of a block boundary between a first block and an adjacent second block in the reconstructed picture having a plurality of blocks, each block being adaptively decoded either as a field structure block, comprising only even field pixels or comprising only odd field pixels, or a frame structure block, comprising odd field pixels and even field pixels. The method further includes storing the reconstructed picture, for which coding distortion is removed, as a reference picture.
Method and apparatus for video coding
Aspects of the disclosure provide methods and apparatuses for video encoding/decoding. In some examples, an apparatus for video decoding includes receiving circuitry and processing circuitry. The processing circuitry decodes prediction information for a first block in a current picture from a coded video bitstream. The prediction information is indicative of an inter prediction mode that determines a first motion vector for the first block from a motion vector predictor. Then, the processing circuitry constructs, in responses to the inter prediction mode, a candidate list of candidate motion vector predictors with an exclusion from a plurality of second blocks that require one or more operations to finalize second motion vectors for the second blocks during a motion vector derivation. Further, the processing circuitry determines, based on the candidate list of candidate motion vector predictors, the first motion vector for the first block, and then reconstructs the first block according to the first motion vector for the first block.
Decoding method and apparatus enabling fast channel change of compressed video
A video decoder, and corresponding method are described for enabling fast channel change of compressed video, where a video decoder for receiving compressed stream data and providing decompressed video output includes receiving the compressed stream data and separating the normal stream and the channel change stream, a normal decoding portion for selectably receiving the compressed normal and channel change streams, and providing decompressed video output, and a normal frame store in signal communication with the normal decoding portion for storing reference pictures.
System and method for adaptively allocating resources in a transcoder
An adaptive transcoder is provided that includes a shared memory containing a plurality of decoder buffers to store incoming data packets, a plurality of decoder instances to control a decoding process to generate image raw data based on the incoming data packets, and a plurality of encoder instances configured to control an encoding process to generate outgoing packets based on the image raw data; and a data processing element containing a plurality of processing cores, and a core controller. Each decoder instance is paired with an encoder instance; and each decoder buffer is associated with a decoder instance. Each decoder buffer includes a monitoring element to monitor a respective decoder buffer, and provide buffer data corresponding to the status of the decoder buffer. Each encoder instance is associated with a processing core; and the core controller uses the buffer data to associate each decoder instance with a processing core.
Method and apparatus for video coding and decoding
The invention relates to concatenating or splicing of scalable video bitstreams. There are disclosed various methods, apparatuses and computer program products for video encoding and decoding and modifying coded video bitstreams. In some embodiments, indications are provided in the coded video bitstream to indicate a layer-wise decoding start-up process. These indications may be generated by encoders or splicers.
Method and apparatus for loop filtering across slice or tile boundaries
A method and apparatus for loop filter processing of video data in a video encoder or decoder are disclosed. Embodiments according to the present invention conditionally allow sharing of loop filter parameters. In one embodiment, sharing of loop filter information between the current block and a neighboring block is determined according to a condition. If the condition indicates that sharing of loop filter information is allowed, a merge flag is coded and incorporated in the video bitstream in an encoder, and a merge flag is parsed from the video bitstream and decoded in a decoder. In one embodiment, the condition depends on region partitioning of the picture, where region partitioning partitions the picture into regions and the region may correspond to a slice or a tile. The condition is set to indicate that sharing of loop filter information is allowed if the block and the neighboring block are in a same slice/tile.
Image encoding method and device for sample value compensation and image decoding method and device for sample value compensation
Provided are a video encoding method and apparatus and a video decoding method and apparatus for producing a reconstructed video having a minimum error with respect to an original video. The video decoding method includes parsing an edge correction parameter from a bitstream, the edge correction parameter being used to correct a reconstructed pixel included in a current block, determining whether the reconstructed pixel is included in an edge region according to a first threshold value included in the edge correction parameter, determining whether the reconstructed pixel is to be corrected according to a second threshold value included in the edge correction parameter when the reconstructed pixel is included in the edge region, and compensating for a sample value of the reconstructed pixel according to a third threshold value included in the edge correction parameter when the reconstructed pixel is to be corrected.
Encoding, decoding, and representing high dynamic range images
Techniques are provided to encode and decode image data comprising a tone mapped (TM) image with HDR reconstruction data in the form of luminance ratios and color residual values. In an example embodiment, luminance ratio values and residual values in color channels of a color space are generated on an individual pixel basis based on a high dynamic range (HDR) image and a derivative tone-mapped (TM) image that comprises one or more color alterations that would not be recoverable from the TM image with a luminance ratio image. The TM image with HDR reconstruction data derived from the luminance ratio values and the color-channel residual values may be outputted in an image file to a downstream device, for example, for decoding, rendering, and/or storing. The image file may be decoded to generate a restored HDR image free of the color alterations.
Method and apparatus of decoder side motion derivation for video coding
Method and apparatus of video coding using decoder derived motion information based on bilateral matching or template matching are disclosed. According to one method, an initial motion vector (MV) index is signalled in a video bitstream at an encoder side or determined from the video bitstream at a decoder side. A selected MV is then derived using bilateral matching, template matching or both to refine an initial MV associated with the initial MV index. In another method, when both MVs for list 0 and list 1 exist in template matching, the smallest-cost MV between the two MVs may be used for uni-prediction template matching if the cost is lower than the bi-prediction template matching. According to yet another method, the refinement of the MV search is dependent on the block size. According to yet another method, merge candidate MV pair is always used for bilateral matching or template matching.
Calibration of virtual image system with extended nasal field of view
A method for calibrating includes obtaining a head-mounted display device that includes an electronic display having an array of display elements and an array of beam steerers located over an inner left portion and an inner right portion of the electronic display. The method also includes obtaining alignment information by selecting a first respective subset of the array of display elements and causing it to emit light, and determining whether the light is received by a first optical sensor in a first position or a second optical sensor in a second position, thereby determining whether the first respective subset of the array of display elements is aligned for the first or the second optical sensor. The method also includes repeating the selecting, causing, and determining operations for a second subset of the array of display elements, and storing the alignment information for calibrating images for presentation by the electronic display.
A multi-view display includes a display panel and a lenticular lens. The multi-view display has a first direction. The display panel includes a plurality of pixels, and each of the pixels includes a plurality of sub-pixels sequentially disposed side by side along the first direction. The lenticular lens is disposed on the display panel, and the lenticular lens includes a plurality of cylindrical lenses. A difference between a number of the sub-pixels corresponding to each of the cylindrical lenses along the first direction and a number of the sub-pixels of each of the pixels is an odd number.
Camera platforms with rolling light projection
Projector with rolling illumination to incrementally project a pattern over a scene within an image sensor FOV. Only a portion of the FOV is illuminated by the projected pattern at any given instant in time. The image sensor may be operable with a rolling shutter to incrementally collect a frame of image data representative of the scene. The projection roll position and rate may be synchronized with the roll position and rate of the image sensor shutter so that the portion of a scene illuminated by the projector at any given instant in time spatially overlaps the portion of the scene being sampled by the image sensor. When a shutter has rolled through one complete integration cycle over a frame time, the pattern projector has also rolled through one complete illumination cycle. Lower projector duty cycles associated with rolling illumination may enable more efficient operation and/or higher on-state radiant intensities.
Digital camera system for recording, editing and visualizing images
A digital camera system (20), as illustrated in FIG. 1, includes an optical assembly (22) to gather light (24) from a desired scene (26), a modular imaging subsystem (28) aligned with the optical assembly (22), and an image processing, recording and display subsystem (34).
System device and methods for assistance in capturing stereoscopic video or images
A device system and methods comprising receiving a stereoscopic video or image of a scene including two perspective data streams (e.g. left and right) captured for example by a stereoscopic sensing device and analyzing the received stereoscopic video or image to yield stereoscopic discomfort data to assist a user to capture a stereoscopic 3D video of the scene, the stereoscopic discomfort data associated with discomfort effects such as dizziness, nausea, and eye stress.
Projection device, and method and device for controlling the same
A method for controlling a projection device is disclosed, including steps of: receiving a projection instruction, and extracting projection information contained in the projection instruction, the projection information including destination position information and target projection position information; moving the projection device to a destination position in accordance with the destination position information and a predetermined map; and adjusting a projection height and/or a projection angle in accordance with the target projection position information, so as to adjust a projection position of the projection device to a target projection position.
Projector and optical unit
A projector according to the present technology includes a blower mechanism, a liquid crystal lightbulb, a light-incident-side polarization plate, and a light-emitting-side polarization plate. The blower mechanism generates a cooling wind. The light-incident-side polarization plate includes a plurality of wires formed to extend non-parallel to the cooling wind blown by the blower mechanism and is arranged on a light-incident side of the liquid crystal lightbulb. The light-emitting-side polarization plate includes a plurality of wires formed to extend non-parallel to the cooling wind blown by the blower mechanism and is arranged on a light-emitting side of the liquid crystal lightbulb.
Mobile surveillance system
A system and method comprising a mobile device in communication with a server, wherein the server is adapted for receiving surveillance data transferred electronically from a surveillance area. At least one camera is positioned at the surveillance area for capturing surveillance data, wherein the surveillance data comprises metadata comprising at least one of audio, video, images, point in time and location of the surveillance area. The surveillance data is transferred from the server to said mobile device and displayed on the mobile device upon a user request. The surveillance data may be transferred automatically using a combination of a radio, a network, or a base station. A motion detection means can be engaged to the system to detect variations in motion measurements and provide global positioning data at the surveillance area. The system provides automatic updates to a user regarding delivery surveillance data corresponding to the user request.
Video signal transmission method and device
The disclosure discloses a video signal transmission method, the method includes the following operations: acquiring a target video signal, decoding the target video signal, and dividing the decoded target video signal into a preset number of video signal groups according to a preset strategy; transmitting the video signal groups to a signal processor, and controlling the signal processor to process the video signal groups; transmitting the processed video signal groups to the display terminal to display each group of video signal of the processed video signal groups in a corresponding area of the display terminal. The disclosure also discloses a video signal transmission device.
Transmission device, transmission method, reproducing device and reproducing method
Subtitles can be satisfactorily displayed at the time of RAP reproduction and at the time of variable-speed reproduction.A video stream that includes a video packet in which a payload has coded image data is generated. A subtitle stream that includes a subtitle packet in which a payload has subtitle information is generated. A multiplexed stream that includes a container packet obtained by packetizing the video stream and the subtitle stream is generated and transmitted. Into a header of a specific container packet in which a payload includes a first byte of the subtitle packet, first identification information indicating that the payload includes the first byte is inserted. For example, this first identification information further indicates a priority of subtitle displaying based on subtitle information contained in the subtitle packet having the first byte included in the payload of the specific container packet.
Video preview during trick play
Methods and systems are described for displaying a thumbnail preview of video content. In an aspect, one or more mosaic images made up of thumbnails corresponding to frames of the video content at multiple time points can be loaded into the system or created by the methods described. In an aspect, the selected thumbnail, as well as any other thumbnails, can be selected in response to receiving a command (e.g., trick play request) from the viewer. The command can dictate the direction from the selected thumbnail that the next thumbnails will be selected. The command can also dictate the frequency with which thumbnails will be selected from the mosaic image. In an aspect, frames comprised of thumbnails can be encoded to create the video content.
Sound-producing component and display device
A sound-producing component and a display device are disclosed. The sound-producing component includes a sound-producing element, a backplane and at least one elastic element. The elastic element includes a first clamping portion and a second clamping portion; the sound-producing element includes a first mounting portion; the backplane includes a second mounting portion; the first mounting portion is clamped with one of the first clamping portion and the second clamping portion; and the second mounting portion is clamped with the other of the first clamping portion and the second clamping portion. Thus, the sound-producing element is fixed on the backplane.
Image sensor system, associated readout circuit thereof and associated method
An image sensor system, including: an image sensor, a readout circuit, and a timing control circuit. The image sensor includes a plurality of diodes, and one of the plurality of diodes outputs a sensing current when a photon is detected. The readout circuit is coupled to the image sensor and arranged to selectively operate in at least a first mode and a second mode. The timing control circuit is coupled to the readout circuit and is arranged to determine if a coding condition is fit according to an input signal and generate a control signal when the coding condition is fit, wherein the input signal input signal includes a plurality of bits serially input to the timing control circuit, and each bit of the plurality of bits corresponds to each pulse of a clock signal respectively.
Wide field of view optical module for linear sensor
A sensing module includes a high speed, linear image sensor and an optical unit facing the sensor. The unit includes an optical element having a curved surface and a covering on an outward surface of the optical element. The covering has a slit formed therein. The optical unit images a wide field of view onto a single pixel of the linear sensor, wherein light impinging normal to the slit, at any location along the slit, is imaged on a central pixel of the linear sensor while light impinging at a non-normal angle to the slit, at any location along the slit, is imaged on a non-central pixel of the linear sensor.
Video switching apparatus, video switching method, program, and information processing apparatus
A video switcher includes: a reception unit which receives video data within a range of a prescribed bandwidth via a network from video output apparatuses; a transmission unit which selects one or more pieces from among received video data, and transmits the selected one or more pieces to a video processing apparatus; a selection unit which dynamically sets a priority degree of each piece of video data, and selects video data to be received: and a control unit which controls a transmission and reception of video data. When a bandwidth necessary for a reception of new video data is insufficient, the selection unit selects video data for which reception is to be stopped from among video data being received based on the priority degree, and the control unit performs a control so as to stop a reception of selected video data and start a reception of the new video data.
Illumination sensing system and surveillance camera employing the same
There are provided an illumination sensing system and a surveillance camera including the illumination sensing system. The illumination sensing system includes: an illumination sensor configured to sense input light; a circuit board comprising a mount zone in which the illumination sensor is placed; and at least one line provided on the circuit board and connected to the illumination sensor, wherein the mount zone comprises a mount portion on which the illumination sensor is placed and a surrounding portion located around the mount portion, and wherein at least one penetration hole through which air passes is formed in the circuit board.
Configurable optical baffling for use with multiple-field-of-view optical sensor system
A configurable optical baffling includes an outer housing positioned above a fixed platform and has an outer opening. An inner housing is layered below the outer housing and above the fixed platform and has inner openings and inner shaded sections. The outer opening includes an elongated sensing boresight having a longitudinal boresight axis and opposing ends. An outer boresight opening end is open to the light from the scene, and a reflecting end has a flat fold mirror that is configured to reflect light from the outer boresight opening in towards the inner housing so that the optical baffling is configured to receive light from the scene solely from a single look direction along the boresight axis, the single look direction being changeable by rotation of the outer housing.
Shake detection device and shake correction device of imaging device, imaging device, and shake detection method
There are provided a shake detection device of an imaging device, a shake correction device, an imaging device, and a shake detection method which are capable of performing high-accurate shake detection and shake correction. A shake detection device subtracts a reference value from a sensor output of a gyro sensor, and extracts a low frequency component and a high frequency component from a sensor output after the reference value subtraction by using an LPF and a BPF. A first determination unit determines whether or not the imaging device is in a fixed-point imaging state based on the LPF output and the BPF output. In a case where it is determined that the imaging device is in the fixed-point imaging state, a reference value shift amount calculation unit calculates a shift amount (reference value shift amount) for the reference value based on the LPF output for a period during which the determination is performed. A subtraction unit corrects the reference value by subtracting the reference value shift amount from the sensor output after the reference value subtraction. An HPF removes a low frequency noise from the sensor output after the correction of the reference value shift amount. High-accurate shake is detected.
Image pick-up apparatus and control method
An image pick-up apparatus detects shake and the like applied to an image pick-up apparatus by a vibration sensor. A motion vector detection unit detects a motion vector of an image in an image signal by an imaging unit. A feature point tracking unit calculates coordinate values of a subject on an imaging screen that changes over time on the basis of the motion vector. A feature coordinate map and a position and attitude estimation unit estimates a position and attitude of the image pick-up apparatus and a positional relationship including a depth between the subject and the image pick-up apparatus based on an output of the vibration sensor and the coordinate values of the subject. A computation unit calculates a control amount of image blur correction using feature points of a main subject, a feature coordinate map and position or attitude information of the image pick-up apparatus. A correction lens is driven according to an output of a target position calculation unit and a shake correction operation of the image pick-up apparatus is performed.
Systems and methods for digital video stabilization via constraint-based rotation smoothing
Systems and methods for digital video stabilization via constraint-based rotation smoothing are provided. Digital video data including a set of image frames having associated time stamps and a set of camera orientation data having associated time stamps may be provided. A smoothed set of camera orientation data may be generated by minimizing a rate of rotation between successive image frames while minimizing an amount of empty regions in a resulting set of smoothed image frames reoriented based on the smoothed set of camera orientation data.
Dynamic sensor mode optimization for visible light communication
Disclosed herein are techniques for dynamically configuring an image sensor of a mobile device for visible light communication (VLC) to an operational mode based on the position of the image of a VLC source on the image sensor and the different regions of interest (ROIs) of different operational modes of the image sensor. The operational mode that the image sensor is configured to has the smallest ROI among ROIs of operational modes that include at least a portion of the image of the VLC source on the image sensor. Techniques disclosed herein can reduce the power consumption of the mobile device during VLC communication and improve the effective sampling rate of VLC signals by the image sensor.
Accessory apparatus and recording medium storing control program for accessory apparatus
An accessory apparatus attached to an interchangeable lens attached to a camera body can switch between a first accessory power mode and a second accessory power mode consuming less power than the first accessory power mode. The power state of the accessory apparatus is set based on information regarding the power mode of the camera body and the power mode of the interchangeable lens.
Video transmission based on independently encoded background updates
Systems and methods are provided for alleviating bandwidth limitations of video transmission and enhancing the quality of videos at a receiver. In particular, an improved video transmission system is provided for generating high-resolution videos. The systems have therein a transmitter and a receiver; the transmitter includes an outer encoder and a core encoder, while the receiver includes a core decoder and an outer decoder. The outer encoder is adapted to receive the video from a source and separately output a salient video and an encoded background, and the outer decoder is adapted to merge the background with the salient video thereby producing an enhanced video. Also provided is a system that simulates pan-tilt-zoom (PTZ) operations without PTZ hardware. Further provided are methods for video transmission whereby a background model is initialized, a background independently encoded, updated incrementally, and the background and the updates transmitted independently from the video.
Electronic apparatus and method of extracting still images
A method and an electronic device are provided for generating a still image from a video file. The electronic device includes an image sensor, a display, and a controller configured to generate a video file from an image signal input through the image sensor, assign frame characteristics to each frame included in the video file, selectively display at least one of the frames on the display, receive a selection of a frame among the displayed at least one of the frames, and generate a still image from the selected frame.
Starting electronic communication based on captured image
Techniques for starting an electronic communication based on a captured image are disclosed herein. In some embodiments, a computer system detects that an image has been captured by a camera on a first mobile device of a first user, where the captured image has been captured by the camera at a point in time, and, in response to detecting that the image has been captured, the computer system identifies at least one other user in the captured image. In some example embodiments, the computer system transmits a message to an electronic destination associated with the other user(s) based on the identifying of the other user(s) in the captured image.
System and method for aircraft camera image alignment
An alignment system for images produced by cameras externally mounted on an aircraft includes a visual display positioned at a first location in the aircraft (such as a flight deck) and an alignment device positioned at a second location in the aircraft (such as an electronics bay). The visual display displays images provided by the cameras. The alignment device includes a user interface, which includes user inputs for selecting one of the cameras and for aligning an image from the camera selected on the visual display, a depiction of an aircraft, and indicators positioned adjacent the depiction. Each of the indicators represents selection of one of the cameras for aligning the image from that camera on the visual display.
Image capturing control apparatus, control method, and storage medium
There is provided an image capturing control apparatus. An AF control unit performs AF control within an area included in a captured area and corresponding to an AF mode, to perform control to determine an in-focus area. After the in-focus area is determined, an display control unit performs control to: if the AF mode is a first AF mode in which the in-focus area is automatically determined within a first area included in the captured area, magnify an LV image with reference to the in-focus area; and if the AF mode is a second AF mode in which the in-focus area is automatically determined within a second area that is smaller than the first area, magnify the LV image with reference to a predetermined position in the second area.
Image capturing terminal and image capturing method
An image capturing terminal includes a first camera module, a second camera module, and a processing module. The first camera module and the second camera module are used for framing concurrently a same scene and for detection and analysis according to contrast ratios of different frames of images, in which a focus search range includes a first focus area and a second focus area that do not overlap each other. The processing module is used for controlling the first camera module to search for a focus in the first focus area and, at the same time, for controlling the second camera module to search for a focus in the second focus area, and for capturing focus information of either the first camera module or the second camera module, and is used for controlling, according to the focus information, the first camera module to capture an image at the focus point.
Video recording device and camera function control program
A video recording device includes: a first imaging unit (in camera) arranged on a same face as that of a display unit of a casing of the device; a second imaging unit (out camera) arranged on a face different from that of the display unit of the casing of the device; and an audio input unit that inputs a command voice giving an instruction for recording a video signal. A control unit sets a delay time until start of a recording process performed by the recording unit after input of the command voice to be different in accordance with the enabled imaging unit and sets a delay time of a case where the first imaging unit is enabled to be longer than a delay time of a case where the second imaging unit is enabled.
Vehicular camera and vehicular camera assembly
In a vehicular camera, a light receiving area of a light detector is arranged to receive light incident thereto via a lens and is arranged such that a predetermined portion of the light receiving area is located along the inclination direction of the inner surface of a windshield. A housing supports the lens and stores the light detector such that the lens faces the inner surface of the windshield, and the optical axis of the lens intersects with the inner surface of the windshield at an angle selected from a predetermined angular range including a right angle. The focal length of the lens is set within a range expressed by the following equation: (V/11.43)≤f≤(V/2.48) where f represents the focal length, and V represents half of a length in millimeters of the predetermined portion of the light receiving area along the inclination direction of the inner surface of the windshield.
An in-vehicle camera has a first board, a second board, a cable, and a casing. The first board is electrically connected with the second board through the cable. The casing has a first casing and a second casing. A first surface of the first board and a first surface of the second board face the first casing and are covered with the first casing. The first board and the second board are assembled with the first casing. A second surface of the first board and a second surface of the second board are covered with the second casing. One end part of the cable is fixed to the first surface of the first board and the other end part of the cable is fixed to the first surface of the second board.
Suspension system for supporting and moving equipment
A suspension system may comprise a flexible member, a mount, a reel and an equipment support member. The equipment support members are supported by the flexible member and the flexible member is in turn supported by the reel and at least one of an attachment point and a common point on the equipment support member. By extending and retracting the flexible member, the reel is capable of controlling the distances between the equipment support members so that any attached equipment can be supported and moved. In another embodiment there is a first and a second reel so that the distance between the mount and the first row can be controlled separately from the distances between the equipment support members. In another embodiment the equipment support member further comprises a second traveler capable of guiding the flexible member from the reel to an equipment support member through another equipment support member while still allowing the flexible member to support the first traveler and thus the reel can control the distance between this equipment support member and the common point above it.
Image processing apparatus and method that suppress difference in colors printed in forward and backward scans, and storage medium
An image processing apparatus processes image data to be used in a printing apparatus configured to perform forward and backward scan printing by using a print head in which nozzle arrays corresponding to multiple colors are aligned. The image processing apparatus includes: a setting unit configured to set a first control parameter in a case where image data to be processed does not include a line portion and to set a second control parameter in a case where the image data to be processed includes a line portion, the second parameter being different from the first control parameter; and a processing unit configured to perform, for the image data to be processed, processing to suppress a difference between a color printed in a forward scan and a color printed in a backward scan based on the control parameter set by the setting unit.
Image processing apparatus, method thereof, and image forming apparatus that determine a dot arrangement of printing material by halftone processing
An image processing apparatus includes at least one memory storing instructions and at least one processor executing the instructions to provide an input unit configured to input image data representing a color of an image, and information identifying high gloss and low gloss areas in the image, a first determination unit configured to determine, based on the image data, a recording amount of a printing material for forming the image on a recording medium, and a second determination unit configured to determine a dot arrangement of the printing material by halftone processing for the recording amount according to the information.
Image processing apparatus and image processing method for generating scaled image data
According to one embodiment, an image processing apparatus includes an input unit and a control unit. The input unit accepts a reference point of scaling for enlarging or reducing image data. The control unit performs inversion for inverting the image data according to the reference point in either or both of a main scanning direction and a sub scanning direction. The control unit performs scaling on the inverted image data generated by performing the inversion to generate scaled image data. The control unit performs inversion on the scaled image data again to generate non-inverted scaled image data.
Image forming apparatus, method of controlling the same, and storage medium
An image processing apparatus receives print data via a USB interface, receives print data via a network interface, processes an HTTP protocol, receives print data via the USB interface, and controls a printer to perform print processing. When the first print data is not based on IPP, the first print data is transmitted to a print processing module, and when the second print data is based on IPP via a network interface, the second print data is transmitted to a Web server module. When the third print data is based on IPP via the USB interface, the third print data is transmitted to a TCP/IP processing module and transmitted to a Web server module, and when the Web server module receives the second or third print data from the TCP/IP processing module, it transmits the second or third print data to the print processing module.
Document size sensing module
A document size sensing module adapted to a MFP having a transparent platform where a document is adapted to be placed is provided and includes a moving component movably disposed below the transparent platform along a first axial direction, a first sensor, a second sensor, and a control unit electrically connected to the moving component, the first sensor, and the second sensor. The first and second sensors are disposed on the moving component and arranged along a second axial direction. When the control unit drives the moving component to move along the first axial direction, and at least one of the first sensor and the second sensor senses the document, the control unit determines a length of the document according to a distance travelled by the moving component and a width of the document by the first sensor and the second sensor, so as to determine dimensions of the document.
Image forming apparatus
An image forming apparatus includes an image former, a conveyance path, a flipping conveyance path, a conveying mechanism and a hardware processor. The flipping conveyance path includes a side path connecting a first branch point in a downstream of the conveyance path to a junction in an upstream of the conveyance path and a re-feeding path connecting a second branch point in the side path to a re-feeding point in an upstream of the conveyance path. The hardware processor controls the conveying mechanism to perform (i) a conveyance operation to convey the sheet along the conveyance path, (ii) a draw-in operation to draw the sheet with the image into the side path, and (iii) a re-feeding operation to convey the sheet in a reverse direction to re-feed the flipped sheet from the re-feeding point to the conveyance path.
Portable terminal, imaging device and reading device
A portable terminal including a battery accommodating section having an opening for battery insertion and removal which is provided at a position shifted to one end of a terminal main body on a predetermined surface of the terminal main body, a battery cover for covering the opening, and a switch section provided closer to an other end of the terminal main body than the battery accommodating section, on the predetermined surface of the terminal main body, in which the battery cover is provided extending from the one end to a position beyond the switch section.
Setting method and setting apparatus of image forming apparatus
In accordance with one embodiment, a setting method of an image forming apparatus including displaying character codes that the image forming apparatus supports in a case where the import of data to the image forming apparatus is instructed; receiving a selection of the character code of the data to be imported to the image forming apparatus from the displayed character codes; and importing, if the character code of the data to be imported is selected, the data to the image forming apparatus in the selected character code.
Method to create a secure distributed data validation system using a distributed storage system and artificial intelligence
Methods and apparatus for validating paper forms are provided. A node can receive paper-form data from a paper form that has first and second data items (DIs). The node can: determine first and second metadata for the first and second DIs respectively, determine respective first and second validation entities (VEs) to validate respective values of the first and second DIs based on the respective first and second metadata, where the first and second VEs can differ, provide a user interface (UI) including a display of the first DI, receive a validation status for the first DI via the first UI from the first VE, select a first distributed storage system (DSS) associated with the first DI, and record the value of the first DI and the validation status in the first DSS. The node can generate an output related to the paper-form data based on the first DSS.
Image forming apparatus, image forming system, and communication processing method implemented guidance mode for remote maintenance
Provided is the image forming apparatus that is implemented guidance mode. A connecting part connects with a terminal for remote maintenance in a session of a specific protocol. An operation acquiring part acquires operational information corresponding to operation of the terminal connected by the connecting part. A mode changing part is changed into a normal control mode and guidance mode by the operational information acquired by the operation acquiring part. The normal control mode is a mode that actually-controls each part. Also, guidance mode is the mode that controls each part for guidance. An operation control part controls each part by operational information corresponding to the mode changed by the mode changing part.
Image processing device, non-transitory computer-readable recording medium containing instructions therefor, and information processing system
A non-transitory computer-readable recording medium for an information processing device provided with a user interface and a controller, the recording medium storing instructions which cause, when executed by the controller, the information processing device to obtain spreadsheet data and template data, receive an operation to designate one of a plurality of elements included in the spreadsheet data and an operation of designating one of areas in an image indicated by the templated data, generate arranged image data representing an image in which an object image associated with a designated element is arranged in the designated area. When the designated element includes instruction information instructing an obtaining method of object image data, the controller obtains the object image data in accordance with the instruction information, and generates image data representing an arranged image in which the object image is arranged in the designated area in the templated image.
Image forming apparatus provided with slidable operating portion
An image forming apparatus includes a reader; an image former, provided below the reader, for forming an image on a sheet; a sheet discharge portion, provided between the reader and the image former, for discharging and stacking the sheet; an operating portion provided in a front side adjacent to the reader in the horizontal direction and slidable along a side of the reader; a sensor unit provided at a side of the reader in a outside of a slidable range of the operating portion, the sensor unit being can project a signal on the side of the reader and receiving a reflection wave of the signal to detect presence of the user in an area in the front side; and a controller for restoring a state of the apparatus from a sleeping state to a stand-by state in response to detection by the sensor unit.
Methods of sharing data usage at a plurality of network devices
The present invention discloses methods and systems for sharing data usage by a plurality of SIM cards at a plurality of network devices. Each of the plurality of network devices is capable of housing at least one SIM card from the plurality of SIM cards. The method comprises the steps of determining the total data usage allowance. A remaining total data usage allowance is determined by either retrieving it from a carrier server or by subtracting aggregated data usage information from the total data usage allowance. The method further comprises restricting use of one or more of the plurality of SIM cards when the remaining total data usage allowance is below a first threshold until the remaining total data usage allowance is above the first threshold. The total data usage allowance is changed to a first value periodically or according to an administrator's instruction.
Online charging for application download
This specification presents methods and apparatus in a user equipment, packet data gateway, online charging server and policy server for enabling a user equipment with a prepaid subscription to select an application to download and obtain its downloadable size and reserve charging credits and resources at the network prior to downloading the application in accordance with the downloadable size thus allowing the prepaid user to secure the successful entire download of the application without running the risk of depleting the prepaid account while downloading.
Method and apparatus for data mediation
The teachings herein disclose a method and apparatus for data mediation in a telecommunication network provides advantageous processing of an incoming data stream in a matter that reduces the amount of decoding needed for processing and correspondingly reduces the amount of re-encoding needed for transport of the processed data stream. These teachings make use of a working data structure that provides a memory-efficient data structure for processing targeted data items in the data stream and are implemented, for example, in a data mediation node that includes one or more communication interfaces, e.g., for receiving incoming data streams for data-mediation processing, and for sending along processed data streams to targeted recipients.
Doorbell call center
Techniques are described for enabling a service administrator to respond to a detected doorbell press at a property when an authorized user is unavailable to respond. In some implementations, a determination that a doorbell press has been detected at a property is made. Video data collected by a doorbell device of the property is obtained in response to determining that the doorbell press has been detected at the property. Sensor data collected by one or more sensors of a monitoring system located within the property is obtained in response to determining that the doorbell press has been detected at the property. A present security risk for the property is determined based at least on the obtained sensor data and the obtained video data. A communication session between the doorbell device and a server system associated with the monitoring system of the property is established in response to determining the present security risk for the property.
Directed customer support
Various examples are directed to systems and methods for directed customer support. An analytics system may receive support communication data describing a support communication regarding a user account received from a user computing device and determine a subject of the support communication. The analytics system may select a response medium based at least in part on the subject and generate a response message based at least in part on the subject.
Systems and methods for routing callers to an agent in a contact center
Techniques for handling contacts and agents in a contact center system are disclosed. In one particular embodiment, the techniques may be realized as a method for handling contacts and agents in a contact center system including determining a first caller grade for a first call, determining a first agent grade for a first agent, and matching the first caller and the first agent based on a comparison of the first caller grade with the first agent grade.
Caller identification in a secure environment using voice biometrics
A method for passive enrollment and identification of a telephone caller to a called telephone number, comprising the steps of audio recording a telephone call; identifying and separating any multiple speakers on the telephone call and specifying a one of the multiple speakers; creating a net speech portion of the telephone call by trimming portions of audio recording from the beginning and end of the audio recording; processing the net speech portion against an existing Biometric Voice Print (BVP) database; creating a new BVP for the at least one of the multiple speakers if no match of the net speech portion against the BVP database is found in the processing step; comparing subsequent calls against the BVP, whether existing or created, to identify the at least one of the multiple speakers; and associating in a cluster all subsequent calls having voice prints matching the BVP.
Screen assembly and mobile terminal
A screen assembly and a mobile terminal are provided. The screen assembly includes a frame and a screen. The screen is arranged on the inner side of the frame. The screen is able to move relative to the frame between a first position and a second position along a thickness direction of the screen. The screen is configured to move towards the interior of the frame from the first position to the second position in a drop process of the screen assembly.
Systems and methods for application specific load balancing
The present application is directed towards systems and methods for application specific load-balancing for web servers. A device intermediary to a plurality of clients and a plurality of services executing on a plurality of servers, may receive a request from a client for an application. The device may identify an identifier for the application from a table comprising a list of applications and a corresponding identifier assigned to each application. In an embodiment, the device may establish one or more monitors to monitor each service to determine applications available on each service. In an embodiment, the device may determine that one or more services of the plurality of services provides the application and select a service from the one or more services to forward the request. The device may forward the request to the selected service.
Non-transitory computer-readable recording medium for terminal device
A terminal device may display a first screen including a first button, send a first request including a search command to a communication device by using a first wireless connection in a case where the first button is selected, display a second screen including a second button in a case where a first response including one or more identification information is received from the communication device by using the first wireless connection, and send a second request including wireless setting information and a connection command to the communication device by using the first wireless connection in a case where the second button is selected. The connection command may be for causing the communication device to establish a second wireless connection by using the wireless setting information.
Configuration method, equipment, system and computer readable medium for determining a new configuration of calculation resources
A configuration method, equipment, system and computer readable medium for determining a new configuration of calculation resources associated to a function and to at least one future time slot, the calculation resources being defined as different calculation capacities allocated to the function during a time slot and included within at least one computer, the configuration method comprising a first step of determining an old demand, a second step of determining a plurality of conditional probabilities associated to the old demand and to a plurality of new demands, a third step of determining a plurality of reconfiguration costs associated to a plurality available configurations, a step of selecting the new configuration as being the available configuration associated to the minimal reconfiguration cost.
Systems and methods for mobile device predictive response capabilities
A mobile device includes a frontend application, a prediction layer including a dispatch unit, prediction generation unit, metadata store, and curve fitting unit. A method includes receiving at the prediction layer a frontend application service request, forwarding the service request about contemporaneously to the curve fitting unit, prediction generation unit, and a backend server, the prediction generation unit searching the metadata store for a predictive formula associated with the service request, calculating a response using the predictive formula, and providing the calculated response for display in a user interface as an interim result to the service request. A response from the backend server is displayed by the frontend application. The curve fitting unit generates and/or refines a predictive formula for the service request based on the service request parameters and the backend server response. A non-transitory computer-readable medium is also disclosed.
Service provider user accounts
Examples described herein involve managing two or more user accounts via which a media playback system can access a service provider, and displaying on a graphical display, graphical representations of at least one of the two or more user accounts via which a media playback system can access a service provider.
Group resource updating processing methods, devices and system, and CSEs
Group resource updating processing methods, devices and system and Common Services Entities (CSEs) are provided. In the group resource updating processing method, a group resource of a preset group is created, and group members corresponding to the group resource include a member representative configured to represent the group members; a group resource updating request for performing an updating operation on the group members corresponding to the group resource is received from a remote CSE; and an updating operation result of the member representative is fed back, according to the group resource updating request, to the remote CSE as updating operation results of all the group members corresponding to the group resource.
Establishing and utilizing behavioral data thresholds for deep learning and other models to identify users across digital space
The present disclosure relates to systems, methods, and non-transitory computer readable media for providing customized digital content to a client device of a target user by generating and utilizing an event-number-specific user classification model. For example, the disclosed systems can train a user classification model based on a set of minimum prior event users who each satisfy a particular event number threshold. The event number threshold can correspond to a number of events that, when implemented by the target user identification system, cause the user classification model to converge. Upon training, the disclosed systems can detect an event associated with the client device of the target user, utilize the trained event-number-specific user classification model to identify the client device corresponding to the target user, and provide customized digital content to the client device of the target user.
Network profile configuration assistance tool
Systems and methods are provided to optimize bandwidth usage associated with a local network. As part of the bandwidth optimization techniques, a network regulation entity may maintain a plurality of usage statistics for a plurality of electronic devices. These usage statistics may be compared to an access profile to determine whether the local network is being used in a way anomalous with the access profile. If there is an anomalous usage condition present, the network regulation entity may generate a notification to inform a user of an electronic device as to the anomalous condition. Accordingly, when a user of the electronic device interacts with the notification, the electronic device may present an interface that enables the user to remedy the anomalous condition. Thus, because the remedial action is generated at the user's direction, compliance with network neutrality principles may be maintained.
Information processing method, information processing device, and information processing system
An information processing method executed by a processor included in an information processing device, the information processing device including a sensor, the information processing method includes acquiring information of a location of the information processing device using the sensor; determining a distribution area with which one or more applications are associated; specifying a terminal device that communicates with the information processing device via a network; extracting one or more applications associated with the distribution area where the location of the information processing device is included; and transmitting the extracted one or more applications to the specified terminal device.
Handling multi-pipe connections
Methods, systems, and computer program products for handling multi-pipe connections is provided. A primary pipe request for a connection between a client and a server is received. The connection includes a plurality of pipes between the client and the server. The primary pipe request includes a number corresponding to the amount of pipes required for the connection. A first response acknowledging the receipt of the primary pipe request is transmitted. The first response includes a token. A plurality of subsequent pipe requests are received for the connection between the client and the server. Each subsequent pipe request includes the token. A subsequent response to each subsequent pipe request is transmitted. A count of the number of pipe requests received is maintained. The established pipes are released after a period of time has elapsed when the number of pipe requests received doesn't reach the number of pipes required for the connection.
Communication device, communication method, controlled device, and non-transitory computer readable medium
According to one embodiment, a communication device includes: processing circuitry configured to: generate a first code in response to a first code generation request being received, the first code generation request including address information of a service which is provided by a device to a control device, and transmit the first code to the device; manage such that the first code is held in association with the address information; and receive an address acquisition request including the first code from the control device, and transmit the address information associated with the first code to the control device on condition that the first code included in the address acquisition request is held in association with the address information.
N-way synchronization of desktop images
Methods and systems for n-way cloning and synchronization of a user desktop image are provided. Example embodiments provide a Cloning and Synchronization System (“CSS”) which binds a server stored CVD object representing the user's desktop image to one or more endpoint devices. Each endpoint device receives a clone of the CVD object that comprises one or more layers of the server CVD depending upon the suitability of the endpoint device hardware and operating system to the server stored desktop. The cloned CVDs in the endpoint devices are then kept synchronized by synchronization operations. In one embodiment, the CSS allows only one endpoint device to act as a master device and push up changes to the server CVD. These changes are then pushed down to the other devices using different synchronization methods dependent upon the layer.
Global benchmarking and statistical analysis at scale
An apparatus in one embodiment comprises at least one processing device having a processor coupled to a memory. The processing device is configured to receive results of intermediate statistical computations performed on respective ones of a plurality of datasets in respective ones of a plurality of distributed processing nodes configured to communicate over at least one network. The processing device is further configured to perform at least one global statistical computation based at least in part on the results of the intermediate statistical computations, and to utilize a result of the global statistical computation to perform one or more benchmarking operations for specified parameters relating to the plurality of datasets. The distributed processing nodes are associated with respective distinct data zones in which the respective datasets are locally accessible to the respective distributed processing nodes. At least a subset of the receiving, performing and utilizing are repeated in each of a plurality of iterations.
Collaborative phone-based file exchange
A collaborative phone-based file exchange technique that wirelessly synchronizes a user's work context with his or her mobile phone and makes this context readily available and sharable in collaborative situations. When the user is away from their desk, collaboration with others is possible by sharing/downloading between the mobile phone and a paired PC, which may be a colleague's computer or a meeting room workstation/computer. When the user returns to their office, any recently downloaded files are automatically synchronized back to their office PC.
Discussion-based document collaboration
A document collaboration apparatus and method allows users to create, edit, manage, collaborate, and communicate over sets of documents, such as word processor documents, spreadsheets, or other types of documents. A set of documents is obtained and split into a series of fragments that are stored in a secure way in a combination of a relational database and an unstructured content store. Access to individual fragments within the series of fragments is granted to users, and proposed changes and comments are obtained in a form of structured discussions that are associated with the fragments from the document set. A controlled workflow-driven mechanism for discussion-centered collaboration is provided. Any changes to the documents from the document set are restricted to the changes that are approved in associated discussions only, providing controlled collaboration between multiple parties or groups of users, such as in multi-party contract negotiations and large scale collaborations.
Infinite micro-services architecture
A plurality of micro-services is automatically registered with a central data storage device. During registration, a mapping is determined between intermediate identifiers that identify selected micro-services and physical addresses of one or more servers that execute the selected micro-services. At least one of the physical addresses are dynamically updated based upon operational changes to the one or more servers or based upon a registration of an additional server.
Joining executable component to online conference
A multi-media online conversation in which automatic actions associated with executable components, such as recording and broadcasting, are performed by adding a visualized representation of the action into the online conversation. The action appears as a visualization in a portion of the user interface that includes both individuals that may be joined into a conference as well as one or more executable components. The action associated within an executable component may thus be efficiently performed in a consistent manner with how individuals are added into an online conversation, thereby taking advantage of muscle memory of the participant.
Managing user immersion levels and notifications of conference activities
Disclosed techniques provide for the management of immersion levels and notifications of conference activities that are of interest to a user. In some embodiments, a system can monitor a conference session, that a user is not attending, on the user's behalf to determine when activity that is of interest to the user occurs during the conference session. The system can then send a notification to the user to inform her of the identified activity. In some embodiments, the notification may enable the user to control her immersion level with respect to the conference session. For example, the notification may include user interface element(s) that the user may select to observe or even join the conference session. In some embodiments, the notification may enable the user to directly share content with attendees of the conference session without having to observe or join the conference session.
Trusted-code generated requests
Custom policies are definable for use in a system that enforces policies. A user, for example, may author a policy using a policy language and transmit the system through an application programming interface call. The custom policies may specify conditions for computing environment attestations that are provided with requests to the system. When a custom policy applies to a request, the system may determine whether information in the attestation is sufficient for the request to be fulfilled.
Incremental security policy development for an enterprise network
A system may identify resources such as applications or network locations that are not adequately covered by an enterprise's security policy to notify a network administrator of such deficiencies. An exemplary security policy may allow or deny access to individual functional resources (e.g. computing devices and/or applications) or groups of functional resources to individual data resources (e.g. enterprise network storage locations and/or enterprise data) or groups of data resources. The system may monitor enterprise network activity to identify when a security policy fails to define permissions corresponding to the use of particular resources. In response to identifying such gaps in the security policy, the system may enter policy enforcement event information into a policy learning log. The system may further generate a policy gap notification and transmit this notification to a policy management service to prompt a network administrator to take remedial action if appropriate.
Encryption control in optical networks without data loss
Methods and systems for encryption control in optical networks without data loss enable various transitions related to encryption of an ODU data payload. A transition from unencrypted data payload to encrypted data payload is performed without data loss or dropping of OTN frames. A transition from encrypted data payload to unencrypted data payload is performed without data loss or dropping of OTN frames. A rotation of the encryption key to another encryption key is also performed without data loss or dropping of OTN frames.
Detecting realtime phishing from a phished client or at a security server
Disclosed herein are techniques for detecting phishing websites. In one embodiment, a method is disclosed comprising receiving, at a server, a request for a webpage from a client device; generating, by the server, and inserting an encoded tracking value (ETV) into the webpage; inserting, by the server, dynamic tracking code (DTC) into the webpage, the inserting of the DTC further comprising obfuscating the DTC; and returning, by the server, the webpage including the ETV and DTC to the client device, the DTC configured to execute upon receipt at the client device and validate the ETV upon executing.
Network security system with remediation based on value of attacked assets
A data processing method comprising obtaining a plurality of computer network security threat feeds from two or more computer threat detection systems; based upon computer network attack information in the computer network security threat feeds, determining a threat score that represents a severity of an actual or suspected attack on a particular host in a computer network; obtaining an asset value for the particular host that indicates a worth of the particular host, and updating the threat score based upon the asset value; mapping the updated threat score to one of a plurality of remediation actions, wherein a first remediation action is mapped when the updated threat score is low and a second, different remediation action is mapped when the updated threat score is high; based upon the updated threat score and the mapping, selecting and automatically performing one of the plurality of remediation actions on the particular host; wherein the method is performed by one or more special-purpose computing devices.
Knowledge transfer system for accelerating invariant network learning
A computer-implemented method for implementing a knowledge transfer based model for accelerating invariant network learning is presented. The computer-implemented method includes generating an invariant network from data streams, the invariant network representing an enterprise information network including a plurality of nodes representing entities, employing a multi-relational based entity estimation model for transferring the entities from a source domain graph to a target domain graph by filtering irrelevant entities from the source domain graph, employing a reference construction model for determining differences between the source and target domain graphs, and constructing unbiased dependencies between the entities to generate a target invariant network, and outputting the generated target invariant network on a user interface of a computing device.
Location based trusted computing nodes in a cloud computing architecture
The invention discloses trusted computing nodes (TCNs) configured to control their location and migration of applications run on virtual machines resident thereon. The invention allows a controlled use of cloud computing resources and virtual network functions by sensitive applications. This is achieved by embedding a secure processing unit (SPU) and a localization unit (LU) in the TCNs. The LU acquires GNSS signals and the TCN generates a secure location message comprising a secure ID and a locstamp of the TCN. A TCN Registry may be created by an operator of a collection of TCNs as a database of trust scores of the trusted computing nodes which will be used to control the allocation of tasks to said TCNs based, at least in part; on the trust scores. The trust scores may also be used directly by the other TCNs to allocate the tasks which they have control on.
Multidimensional risk profiling for network access control of mobile devices through a cloud based security system
A server configured to profile a mobile device for a cloud-based system, includes a network interface, a data store, and a processor communicatively coupled to one another; and memory storing computer executable instructions, and in response to execution by the processor, the computer-executable instructions cause the processor to, based on communication to a client application on the mobile device, cause the client application to collect data associated with the mobile device; receive the collected data; and determine a device fingerprint and a risk index for the mobile device based on the collected data, wherein the device fingerprint is utilized to uniquely identify the mobile device and the risk index is utilized to manage the mobile device.
Method of discovering and modeling actor and asset relationships across a cloud ecosystem
It can be difficult to manage assets, particularly when determining ownership of assets. Systems and methods for facilitating identification of ownership of an asset include identifying an asset (e.g., an item capable of being owned), identifying one or more actors (e.g., an entity capable of owning an asset), and identifying interactions between the asset and each actor. The systems and methods additionally apply a decay factor to the identified interactions to cause a reduction in the significance of the identified interactions between the asset and each actor and produce an asset ownership score for each actor based on the decay-modified interactions. The resulting asset ownership score for each actor is provided to an entity in a fashion that allows the entity to identify a comparative likelihood that each actor is a potential owner of the asset.
Method for securing electronic data by restricting access and transmission of the data
A method for securing data by embedding the data in a data structure and utilizing a sensor to detect transfer of the data structure. The data is embedded such that the data is only accessible by first executing an executable program. If the executable program determines that the device attempting to access the data (the accessing device) does not have permission to access the data, then the executable program destroys the data. If the data structure is transferred to another device, a sensor positioned to detect the data structure when transferred will identify the data. If the sensor determines that the data structure is not permitted to be transferred, then the sensor destroys the data.
Method and system for improving network security
Methods and systems for securing a network including IoT devices are provided. A networking device system can regulate the ability of IoT devices to communicate with their corresponding cloud servers over the Internet, for example, by allowing a device to connect to its associated cloud servers when a user (e.g., an authorized user) requests to use the device. The system can communicate (e.g., directly) with users outside of the network through an app and/or a software development kit installed on user client device(s), where communications received from the app or kit (e.g., to access one or more IoT devices on the network) can be presumed to originate from authorized users.
Maintaining user authentications with common trusted devices
Various embodiments are generally directed to an apparatus, method, and other techniques to maintain user authentications with common trusted devices. If a user is in possession of a first computing device (e.g., a smartphone), an unlocked state of the first trusted device is maintained if the user is using a nearby trusted device (e.g., a computer) within a certain amount of time. If the first trusted device is in a pocket or other container, a longer span of time is granted to the user to register an on-body state.
System to filter impossible user travel indicators
Mitigating false positives for impossible travel alerts. A first user access location for a user is provided, for a first user access of computing resources identified using a first identification process, to a user behavior analytics service. The first identification process identifies a real world indicator of location for a device associated with the first user access. A second user location is provided for the user, for a second user access of computing resources, to the user behavior analytics service, using a second identification process. The second identification process identifies a location associated with an egress point to which communication to and from a device is routed to access computing resources, such that the user behavior analytics service receives a location associated with the egress point as the second user location. At the user behavior analytics service, the second user location is filtered from being used for impossible travel detection.
Technologies for dynamic loading of integrity protected modules into secure enclaves
Technologies for dynamic loading of integrity protected modules into a secure enclave include a computing device having a processor with secure enclave support. The computing device divides an executable image into multiple chunks, hashes each of the chunks with corresponding attributes that affect security to generate a corresponding hash value, and generates a hash tree as a function of the hash values. The computing device generates an initial secure enclave memory image that includes the root value of the hash tree. At runtime, the computing device accesses a chunk of the executable image from within the secure enclave, which generates a page fault. In response to the page fault, the secure enclave verifies the associated chunk based on the hash tree and accepts the chunk into the secure enclave in response to successful verification. The root value of the hash tree is integrity-protected. Other embodiments are described and claimed.
Cross cloud application access
A computer-implemented method for a security endpoint of a non-isolated computing environment includes receiving a login request related to an application within that environment. The login request corresponds to a user of the application. The method includes sending a lookup query, including information related to an identity of the user, to a directory service. The method includes receiving a lookup response from the directory service. The method includes, in response to the lookup response indicating that the user belongs to the non-isolated computing environment, requesting an authentication credential from a client device of the user, validating the authentication credential, and in response to successful validation of the authentication credential, providing an identity token to the client device. The method includes, in response to the lookup response indicating that the user belongs to an isolated computing environment, redirecting the client device to a security endpoint of the isolated computing environment.
System and method of verifying network communication paths between applications and services
Disclosed are concepts for provided for managing application traffic. A method includes receiving a request to access a service from an application, confirming an entity of a user of the application and, based on the confirmation, generating, via an authentication service, a routing policy for data flows between the application and the service. The routing policy defines a mandated path between the application and the service. The method also can include storing proof-of-transit data in the traffic flow for tracking an actual path from the application to the service and determining whether the data path complies with the mandated path defined in the policy. When the determination indicates that the actual path followed the mandated path defined in the routing policy, the method includes granting access to the user for the service. When the actual path differs from the mandated path, the method includes denying access to the user.
Forward-secure crash-resilient logging device
A logging device configured to store log messages, includes a storage device having a plurality of log entry locations which can be ordered as a sequence, an encryption device configured to generate the encrypted log messages from log messages, an authentication code generator configured to generate an authentication code from the encrypted log message, a key evolving device, a state storage device configured to store state variables for use by the encryption device, the authentication code generator and/or the key evolving device. Furthermore, a verification device configured to verify log entries stored in log entry locations of the storage device is also described. A method for storing log entries in log entry locations of a storage device of a logging device as well as to a method for verifying the integrity of log entries stored in log entry locations of a storage device is also described.
Multi-tenant secure bastion
A secure shell (SSH) bastion service can proxy customer SSH traffic through SSH host resources before routing the traffic to the target resource instances in a customer allocation of a multi-tenant environment. The bastion service supports connections directly from a customer allocation management console, which enables the specification of a target instance and selection of an option to establish a secure connection to that instance. The bastion service handles authentication and authorization, ensuring that all security requirements are satisfied. An SSH server of the bastion service can route the traffic to the target instance using the appropriate port for SSH traffic. A second SSH connection is established from the bastion service to the SSH server executing on the target instance, providing end-to-end security of traffic from the client device to the target instance of the customer allocation.
Hybrid integration of software development kit with secure execution environment
A portable communication device may include a mobile application executing in an application execution environment and a secure application executing in a trusted execution environment. The secure application may receive, from the mobile application, a storage request to store sensitive data. The storage request may include an encrypted data type identifier and an encrypted sensitive data. The secure application may decrypt the encrypted data type identifier and the encrypted sensitive data using a transport key, and re-encrypt the sensitive data using a storage key. The re-encrypted sensitive data can then be stored in a memory of the portable communication device which is outside the trusted execution environment.
Confidential mail with tracking and authentication
A method for confidential electronic communication between a sender workstation and a receiver workstation is provided, whereby privacy is guaranteed for the electronic communications transmitted over the public Internet. The method of confidential communication is equipped with message tracking and message receipt verification. The system for implementing the method includes a sender server that creates a session content encryption key along with a message envelope that includes a content encryption key encrypted message and a confidential mail token. The content encryption key is stored securely inside the sender organization's system which transmits the message envelope to an intended recipient. The intended recipient processes the message envelope in order to generate a message receipt verification, which is transmitted to the sender. The message receipt verification is processed by the sender server to verify that the message envelope reached the intended recipient. The message receipt verification, which is comprised of the confidential mail token and unique verification data generated by the intended recipient allows the sender server to verify that the message envelope reached the intended receiver and that the message envelope identified as received is authentic. Following verification that the message transmitted by the sender reached the intended receiver and is authorized, the sender transmits the content encryption key to the intended receiver.
Privacy as a service by offloading user identification and network protection to a third party
A method and apparatus that securely obtains services in response to a request for a service while concealing personally identifiable information (PII) includes a software package having a user identification (ID) and network protection module that runs on a third party system and an anonymizer module that runs on a user system. The user system sends the request for the service via an API that invokes the user ID and network protection module to validate the request. In response to receiving validation, the anonymizer module modifies the request for the service to conceal at least part of the PII and sends the modified request to the service provider. In one embodiment, the third party system may be an application program configured to run on the user system. Thus, no PII or data to identify the unique individual is transmitted to the service provider.
Systems, devices, and methods for locality-based domain name registry operation verification
Embodiments relate to systems, devices, and computing-implemented methods for performing and requesting registry operations using reseller profiles. A domain name registry can store or access associations between domain name reseller identifiers and domain name reseller profiles, and, based on receiving a domain name registry operation request from a domain name registrar that includes a domain name reseller identifier, applying domain name registry operation policies associated with the domain name reseller profile when performing registry operations.
Network resource identification
A system, method and computer-readable medium for client-side processing of resource identifiers. A client request for content is returned that includes information for generating a request for translation information and a number of embedded resource identifiers. Based on the information for generating a request for translation information, the client generates and obtains translation information and processes the embedded resource identifiers to obtain resources from a service provider.
Media plug-in for third-party system
In one embodiment, a method includes receiving a request to display a media plug-in on a third-party website hosted by a third-party system, determining media content associated with the request to display the media plug-in, and determining whether the third-party website is being viewed by a user that is currently logged in to the social-networking system. The method further includes determining one or more user-selectable objects based at least on the determined media content and the determination of whether the user is currently logged in to the social-networking system and providing the determined one or more user-selectable objects for display in the media plug-in on the third-party website. The third-party system is separate from the social-networking system. The user-selectable objects, once selected, cause an action related to the determined media content.
Systems and methods for electronic message prioritization
Systems and methods for prioritizing electronic messages in an electronic message repository are disclosed. According to one embodiment, a method may include (1) at least one computer processor determining an amount of message review time for a user; (2) the at least one computer processor estimating a number of electronic messages that the user can review in the message review time; (3) the at least one computer processor determining a priority level for a plurality of electronic messages in the user's electronic message repository; (4) the at least one computer processor selecting electronic messages from the user's electronic message repository based on the estimated number of electronic messages that the user can review and the priority level for the electronic messages.
Management and display of grouped messages on a communication device
A system and method for managing a plurality of messages stored at a mobile communication device, groups messages based on a common subject line or another quasi-unique identifier, and displays message group entries representing distinct message groups in a user interface. The message group entries may be displayed in association with an icon representing multiple message states associated with individual messages comprised within that message group. The multiple message states may include all messages being read, all messages being unread, a most recently received message being unread while others are read, and a most recently received message being read while order messages are unread.
Techniques for automatically sorting emails into folders
The embodiments set forth techniques for sorting emails within an email application. The technique can include: (1) accessing a plurality of emails, where each email is included in a respective folder of one or more folders, (2) establishing a set of n-grams based on the plurality of emails, (3) for each n-gram in the set of n-grams: calculating a respective normalized entropy for the n-gram, and calculating a respective indexing power for the n-gram based on its respective normalized entropy, (4) ranking the n-grams based on their respective indexing powers to establish a ranked list of n-grams, and (5) establishing, for each folder of the one or more folders, a respective set of high-value n-grams based on the ranked list of n-grams. In turn, the high-value n-grams can be compared against n-grams of a new email to identify a target folder into which the new email should be sorted.
Multicast data packet forwarding
An I/O board of a VXLAN switch receives a multicast data packet from a VLAN, and sends the multicast data packet to the fabric board of the VXLAN switch when at least one multicast group member port corresponding to the multicast data packet is a first virtual port. The fabric board determines that layer 3 multicast forwarding is to be performed by the fabric board. When a multicast group member port corresponding to the multicast data packet is a VXLAN tunnel port, the fabric board modifies a source MAC address of the multicast data packet, and sends the modified multicast data packet to an I/O board corresponding to the multicast group member port on the VXLAN switch. The I/O board corresponding to the multicast group member port adds a VXLAN encapsulation to the multicast data packet and forwards the multicast data packet having the VXLAN encapsulation to a VXLAN.
Anomaly detection and classification using telemetry data
Historical telemetry data can be used to generate predictions for various classes of data at various aggregates of a system that implements an online service. An anomaly detection process can then be utilized to detect anomalies for a class of data at a selected aggregate. An example anomaly detection process includes receiving telemetry data originating from a plurality of client devices, selecting a class of data from the telemetry data, converting the class of data to a set of metrics, aggregating the set of metrics according to a component of interest to obtain values of aggregated metrics over time for the component of interest, determining a prediction error by comparing the values of the aggregated metrics to a prediction, detecting an anomaly based at least in part on the prediction error, and transmitting an alert message of the anomaly to a receiving entity.
Path computation element protocol response and simple network management protocol confirmation for tunnel configuration
Devices, computer-readable media and methods are disclosed for managing path utilizations for telecommunication network tunnels. For example, a processor deployed in a telecommunication network may receive a request from a router of the telecommunication network for a tunnel to a destination in the telecommunication network, send a response to the router that includes at least one path comprising the tunnel through the telecommunication network to the destination, receive a trap message from the router that includes a confirmation that the at least one path is utilized by the router, and update at least one record for the at least one path in response to the trap message, where the at least one record indicates a status of a utilization of the at least one path.
Availability management for reference data services
Various aspects for scaling an availability of information are disclosed. In one aspect, a response performance associated with responding to data consumption requests is monitored. A characterization of the response performance is ascertained, and a scaling of resources is facilitated based on the characterization. In another aspect, a data consumption status indicative of data consumed is ascertained. Here, a scalability interface is provided, which displays aspects of the status, and receives an input from a content provider. An allocation of resources is then modified in response to the input. In yet another aspect, a response performance associated with responding to data consumption requests is monitored. An application programming interface (API) call is generated based on a characterization of the response performance, and transmitted to a content provider. An API response is then received from the content provider indicating whether a scaling of resources for hosting the data was performed.
Scheduling method and scheduler for switching
A scheduling method for switching including receiving an allocation request for a time slot from input nodes to which the time slot is not allocated, receiving property information of at least one of virtual output queues (VOQs) in which data received by the input nodes is stored, determining a transmission priority of the VOQs for transmission of the data stored in the VOQs based on the received property information of the VOQs, determining input nodes to which the time slot is to be allocated using outputter arbiters for output nodes corresponding to the VOQs, allocating the time slot to the determined input nodes, and updating elements used to allocate the time slot with respect to input nodes for which the allocating of the time slot is completed and output nodes for which the allocating of the time slot is completed.
Techniques for handling network traffic
In a mobile communication environment, the data traffic is mapped to a number of bearers. In a downlink direction, this is accomplished by filtering data packets on the basis of an identifier which is included into the data packets in response to packet inspection. In the uplink direction, a mirroring function is applied which detects incoming data packets, which are received on one of a plurality of bearers and have a first identifier, and outgoing data packets having a second identifier which is complementary to the first identifier. The outgoing data packets having the complementary second identifier are routed to the same bearer from which the incoming data packets are received.
Enhanced lens distribution
Input values for various computations in a computing device are transformed to increase the entropy of results thereof. A key value is inputted into one or more folding units, each of which folds sub-elements of the key value together to form a folded key value. Each folding unit is linked to a corresponding addend constructor, which generates an addend value by modifying each field in a corresponding predefined manipulation value with an operation between the field and the corresponding folded key value, or a value derived therefrom. A first value is then transformed using addition between it and each addend value, or an addend-based value derived therefrom. The transformed first value may be utilized in place of the first value in various computations. In an embodiment, hash-based operations in a network device are improved by so transforming a hash key or hash output of a hashing function.
Fast software L2 switching using a caching technique
In a system that includes a physical forwarding element (PFE), the mapping of each possible destination MAC address to a destination port number of the PFE is stored in a mapping table. A destination port number on the PFE is identified for a first packet in a sequence of packets arrived at a source port of the PFE by searching the mapping table and stores the destination port number in a caching table. For each packet after the first packet, when the destination MAC address of the packet matches the destination MAC address stored in the caching table, the destination port number stored in the caching table is used as the destination port number of the packet. Otherwise, a destination port number for the packet is identified by searching the mapping table and the destination port number stored in the caching table is replaced with the identified destination port number.
Methods and systems for evaluating network performance of and transmitting packets through an aggregated connection
The present invention discloses a method carried out by a first communications device for determining performance of a plurality of connections and selecting at least one first connection from the plurality of connections substantially based on performance. Data packets are then transmitted through the at least one first connection. The plurality of connections are aggregated to form an aggregated connection. The determining of performance is performed by transmitting evaluation packets through the plurality of connections. The evaluation packets are based on data packets that are received by the first communication device but have not yet been transmitted through the aggregated connection. The data packets may be designated for a host or node reachable through the aggregated connection. Alternatively, the evaluation packets may be based on predefined information when there are no data packets to be transmitted through the aggregated connection. The performance may be determined periodically.
Methods, systems and computer readable media for quiescence-informed network testing
The subject matter described herein includes methods, systems, and computer readable media for quiescence-informed network testing. One method for quiescence-informed network testing includes determining, by a first test agent, a quiescence state of the network. The method further includes reporting, by the first test agent and to a test controller, the quiescence state of the network. The method further includes configuring, by the test controller, the first test agent to execute a network test. The method further includes executing, by the first test agent, the network test. The method further includes reporting results of execution of the network test to the test controller.
Network packet forwarding systems and methods to push packet pre-processing tasks to network tap devices
Network packet forwarding systems and methods are disclosed to push pre-processing tasks to network tap devices. In certain embodiments, packet flows from multiple monitoring points within a packet network communication system are monitored by a plurality of network tap devices to generate tapped packet flows associated with monitored network traffic flows. The tapped packet flows are transmitted from each network tap device to a tap controller, and the tap controller generates pre-processing rules based upon the tapped packet flows. Control messages including the pre-processing rules are then transmitted from the tap controller to the network tap devices, and the tapped packet flows are pre-processed at the network tap devices using the pre-processing rules to generate pre-processed packet flows. These pre-processed packet flows are then transmitted back to the tap controller where they are further processed and output to one or more destination devices.
Routing network traffic based on whether an application associated with traffic is a rerouting application as defined by a policy and whether a second path ranking exceeds a first path ranking
A method of routing network traffic may include routing traffic from a local network device, through a remote network location, to a third party network resource along a first path. The method may also include determining a first ranking for the first path, and determining a second ranking for a second path from the local network device to the third party network resource along a second path, the second path excluding the remote network location. The method may additionally include, based on the second ranking exceeding the first ranking by a threshold amount, rerouting the traffic along the second path.
Systems and methods to recreate real world application level test packets for network testing
Systems and methods are disclosed to recreate real world application level test packets for network testing. Live network traffic is monitored within a live network infrastructure, and live traffic meta-data is then collected for this live traffic. Application level meta-data is then extracted from the live traffic meta-data and stored in one or more data storage systems. Subsequently, the application level meta-data is received from the one or more data storage systems, and application level test packets for network testing are then generated based upon the application level meta-data. Further, application level meta-data collected during a time slot can be segmented in multiple different data segments associated with different time periods within the time slot, and application level test packets can be generated using these different data segments. Further, the live traffic meta-data collection can occur within multiple time slots.
Cell-specific reference signal interference averaging
Aspects of the present disclosure provide techniques and apparatus for enhancing performance by selectively applying averaging to CSI reporting processes. According to certain aspects, a base station (e.g., an eNB) with knowledge of traffic patterns of potentially interfering transmitters may signal a UE how (or whether) to apply averaging, for example, when reporting CSI based on interference measurement resources (IMR).
Information processing method, device and recording medium for collecting logs at occurrence of an error
An information processing method executed by a processor included in an information processing device includes acquiring, when an error occurred at the information processing device is detected, first identification information that include identification information of a transmission source of a first packet transmitted or received when the error has occurred and identification information of a transmission destination of the first packet; receiving a second packet; determining whether second identification information included in the second packet matches with the first identification information, the second identification information including identification information of a transmission source of the second packet and identification information of a transmission destination of the second packet; storing data corresponding to the second packet when it is determined that the second identification information matches with the first identification information; and transmitting the data to a management device that analyzes the error when an instruction is received from the management device.
Analyzing device system and program for the system
An operator creates a function table on an analyzing device, a computer for analysis or a server. In the function table, an instruction is described which includes designation of the computer(s) for analysis or the server, and a process to be executed by the designated computer(s) for analysis or server, and optionally includes parameter information required for execution. For analysis, the function table is displayed on a display screen of the analyzing device. When the operator selects an instruction in the table and instructs execution, the analyzing device causes the designated computer(s) for analysis or server described in the instruction to execute a process associated with the instruction. Such instruction can include a process of powering on the computer(s) for analysis. By previously describing expected processes and the computer(s) for analysis scheduled to perform the processes the processes to be executed can be instructed from the analyzing device.
Estimation device, estimation method, and recording medium
An estimation device is provided that measures a number of DNS requests for each of a plurality of domain names and for each IP address in observed flows. The device measures a total number of the flows, and total amounts of data, estimates a relationship between the amount of data for each IP address corresponding to a node, and the number of DNS requests for each domain name corresponding to a non-intermediate node; and based on a value obtained by multiplying the number of requests for each domain name by the amount of data for each flow of each domain name, obtains the amount of data for each flow of each domain name, multiplies the amount of data by the number of the DNS requests for each domain name, so as to calculate an estimate of the amount of data for each domain name.
Monitoring and analysis of interactions between network endpoints
Techniques for monitoring and analysis of interactions between network endpoints are disclosed. In some embodiments, a process for monitoring and analysis of interactions between network endpoints includes collecting Domain Name System (DNS) response data from a network device; determining network endpoint interactions based on an analysis of the DNS response data (e.g., using a processor); and generating a graph corresponding to the network endpoint interactions. For example, the network device can include a DNS device and/or a software-defined networking (SDN) device (e.g., an SDN switch, such as an OpenFlow switch).
Network control method and apparatus
A network control method relates to the communications field, includes receiving, by a controller, a packet forwarded by a forwarder, detecting, by the controller, a status of a virtual currency identifier of the packet, querying, by the controller according to a user identifier in the packet, whether the user has permission to improve service quality when the status of the virtual currency identifier of the packet indicates that a user is willing to pay virtual currency to raise a network priority, and raising, by the controller, the network priority of the user, starting charging, and sending a network priority of the user to the forwarder when the user has the permission to improve the service quality such that the forwarder forwards a packet of the user according to the network priority of the user.
Apparatus and method for managing digital identities
An apparatus has a processor and a memory connected to the processor. The memory stores instructions executed by the processor to store identity attributes including real identity attributes for a real individual and at least two sets of digital identity attributes each operative as a personal privacy proxy with compartmental identity attributes. The at least two sets of digital identity attributes include a first machine generated digital identity email address associated with a first role and a second machine generated digital identity email address associated with a second role.
Device, system and method for performing integrity verification based on distributed delegator
A system for performing an integrity verification based on a distributed delegator and verifying an integrity of a plurality of individual devices based on a network includes: a first individual device which is an integrity verification target of the plurality of individual devices; a second individual device configured to vicariously verify the verification target device of the plurality of individual devices; and a remote device management server configured to select the second individual device of the plurality of individual devices as a verification delegator, and to receive a result of integrity verification of the first individual device by the second individual device.
Method and mechanism for efficiently managing flows
Some embodiments provide a novel method for installing flows of a desired network state in an actualized network state of a managed forwarding element. In some embodiments, the method maintains a flow output table based on flow events received from a computation engine for computing desired state, and from a set of managed forwarding elements on which the computed desired state is installed. The method of some embodiments then installs flows on the set of managed forwarding elements based on the flow output table.
System and method for automating the discovery process
Automating discovery server configuration as part of a discovery process includes determining one or more subnets selected from multiple subnets. Each of the one or more subnets selected is associated with a respective scheduled task. In response to determining the one or more subnets selected, one or more available discovery servers are identified from multiple discovery servers. The one or more discovery servers are configured based at least in part on the one or more subnets selected. In response to the automatic configuration, network discovery is initiated to perform the respective scheduled task.
Dynamic activation of web applications
Techniques are described herein that are capable of dynamically activating web applications. For instance, such applications may not be configured on a machine until requests for those applications are received by the machine. For example, upon receipt of such a request, the machine may automatically configure an application that is identified by the request on the machine. The machine may then forward the request to the application for processing. In another example, the machine may run an application-agnostic worker process (AAWP), which configures an application on the machine upon receipt of a request for the application. An AAWP is a worker process that is capable of processing requests for web application(s) that are not previously associated with the AAWP. The AAWP may cause a specified worker process to run on the machine, so that the specified worker process may process the request and/or subsequent requests for the application.
Optimizing application configurations in a provider network
Methods, systems, and computer-readable media for optimizing application configurations in a provider network are disclosed. An application description is determined that comprises one or more resource utilization characteristics of an application. Automated analysis is performed of a plurality of potential configurations for the application based at least in part on the application description. The automated analysis comprises scoring at least a portion of the potential configurations based at least in part on a scoring function. A recommended configuration for the application is determined based at least in part on the automated analysis. The recommended configuration comprises a type and number of computing resources in a multi-tenant provider network.
Message flow management for virtual networks
Concepts and technologies are disclosed herein for message flow management for virtual networks. A processor can identify a target virtual network function instance that is to be taken offline. The processor can change a status associated with the target virtual network function instance to indicate it being taken offline. The processor can start a graceful shutdown timer to trigger shutdown of the target virtual network function instance. The processor can identify external interfaces and a peer network function that identifies the target virtual network function instance as a next hop. The processor can obtain, for the target virtual network function instance and the peer network function instance, a snapshot that identifies configuration data for the target virtual network function instance and the peer network function instance and can generate a command to trigger a shutdown of the target virtual network function instance.
Service deployment method and network functions acceleration platform
A service deployment method and a network functions acceleration platform are provided. The method includes: when an FPGA is powered on, loading, by the FPGA, an FPGA framework file, so that the FPGA includes M partial reconfigurable PR areas, a configuration module, and a data flow forwarding module; when receiving a service configuration instruction, generating, by a physical machine, a VM, and selecting at least one PR area from the M PR areas to establish a correspondence with the VM; performing, by a configuration module, service resource configuration on the selected PR area according to a PR configuration resource, so that the selected PR area has a service processing capability; adding, by the configuration module, a forwarding entry corresponding to the PR area in a forwarding flow table, so that the data flow forwarding module forwards a received network packet to the corresponding PR area.
Systems and methods for data mobility with a cloud architecture
Aspects of the present disclosure describe systems and corresponding methods for storing and/or redistributing data within a network. In various aspects, data and/or sets of data stored in a database, data store, or other type of database storage system may be pulled, pushed, distributed, redistributed, or otherwise positioned at one or more data caches and/or servers strategically located across an enterprise network, a content delivery network (“CDN”), etc., and may be accessible over such networks, other networks, and/or the Internet.
Method of simultaneously performing packet detection, symbol timing acquisition, and carrier frequency offset estimation using multiple correlation detection, and bluetooth apparatus using same
The present invention relates to a method of simultaneously performing packet detection, symbol timing acquisition, and carrier frequency offset estimation in parallel using multiple correlation detection and a Bluetooth apparatus using the same, in which the Bluetooth apparatus receiving a frequency modulated signal includes a frequency demodulating unit converting the received signal into a similar amplitude modulated signal; and multiple correlation detectors generating multiple correlation indices from the converted signal, on a basis of an access address received from a link layer and a plurality of carrier frequency offset search windows. According to the present invention, since packet detection, symbol timing acquisition and carrier frequency offset estimation are simultaneously performed in parallel in the relatively long access address reception interval instead of the short preamble signal reception interval.
Sounding and tone block allocation for orthogonal frequency division multiple access (OFDMA) in wireless local area networks
A first communication device transmits a null data packet (NDP) to multiple second communication devices. The NDP spans a channel frequency bandwidth. The first communication device receives a plurality of sounding feedback packets from the second communication devices. Each sounding feedback packet includes one or more signal-to-noise ratio (SNR) indicators corresponding to one or more respective groups of orthogonal frequency division multiplexing (OFDM) subcarriers, and the SNR indicators correspond to reception of the NDP at the plurality of second communication devices. Each sounding feedback packet in the plurality of sounding feedback packets includes a respective indication of OFDM subcarriers for which the sounding feedback packet includes SNR information, and at least one sounding feedback packet from among the plurality of sounding feedback packets does not include SNR information for all OFDM subcarriers via which the NDP was transmitted.
Coding and modulation apparatus using multi-dimensional non-uniform constellation
A coding and modulation apparatus and method are presented. The apparatus (10) comprises an encoder (11) that encodes input data into cell words, and a modulator (12) that modulates said cell words into constellation values of a non-uniform constellation. The modulator (12) is configured to use, based on the total number M of constellation points of the constellation, the signal-to-noise ratio SNR in dB and the number n of the dimension of the constellation, an n-dimensional non-uniform constellation from a group of constellations, wherein each constellation point of an n-dimensional constellation diagram is defined by an n-tupel of constellation values, said n-tupel of constellation values defining parameter settings of a transmission parameter used by a transmission apparatus for transmitting a transmission stream obtained by conversion of said constellation values.
Reception device, reception method, and communication system
A reception device according to the present disclosure includes: a receiver that generates a symbol signal indicating a sequence of symbols on the basis of a plurality of transmission signals; a transition signal generator that generates a transition signal indicating a sequence of symbol transitions on the basis of the symbol signal; and a converter that repeats an operation of converting transition data including a predetermined number of the symbol transitions into reception data to convert the sequence of the symbol transitions into a sequence of reception data, and generates, in a case where the sequence of the symbol transitions includes first transition data that is not convertible into the reception data, candidate data as a candidate of the reception data on the basis of the first transition data.
Sequential decoding with stack reordering
There is provided a decoder (310) for sequentially decoding a data signal received through a transmission channel in a communication system, the received data signal carrying transmitted symbols, the decoder comprising a symbol estimation unit (311) configured to determine estimated symbols representative of the transmitted symbols carried by the received signal from information stored in a stack, the stack being filled by iteratively expanding child nodes of a selected node of a decoding tree comprising a plurality of nodes, each node of the decoding tree corresponding to a candidate component of a symbol of the received data signal and each node being associated with a predetermined metric, the stack being filled at each iteration with at least some of the expanded child nodes and being ordered by increasing values of the metrics associated with the nodes, the selected node for each iteration corresponding to the node having the lowest metric in the stack. The decoder further comprises a stack reordering activation monitoring unit (313) configured to monitor at least one stack reordering activation condition and, in response to a stack reordering activation condition being verified, to cause the symbol estimation unit to: reduce the metric associated with each node stored in the stack by a quantity, reorder the stack by increasing value of the reduced metric, and remove a set of nodes from the reordered stack so as to maintain a number N of nodes in the reordered stack, the maintained nodes corresponding to the N nodes having the lowest metrics in the reordered stack.
Selection of managed forwarding element for bridge spanning multiple datacenters
Some embodiments provide a method for a set of central controllers that manages forwarding elements operating in a plurality of datacenters. The method receives a configuration for a bridge between (i) a logical L2 network that spans at least two datacenters and (ii) a physical L2 network. The configuration specifies a particular one of the datacenters for implementation of the bridge. The method identifies multiple managed forwarding elements that implement the logical L2 network and are operating in the particular datacenter. The method selects one of the identified managed forwarding elements to implement the bridge. The method distributes bridge configuration data to the selected managed forwarding element.
Time sensitive networking control circuitry
A time-sensitive networking system includes gate control circuits configured to control egress of data from multiple queues, respectively. A list execution circuit configures gate states of the plurality of gate control circuits based on a current gate control list that specifies a sequence of operations. Each operation specifies the gate states of the gate control circuits. A cycle timer circuit transmits a timing signal that signals to start a gating cycle by the list execution circuit. A list configuration circuit inputs a new gate control list and establishes the new gate control list as the current gate control list. The list configuration circuit transmits an initial cycle start signal directly to the list execution circuit, bypassing the cycle timer circuit, in response to completion of establishing the new gate control list as the current gate control list.
Physically unclonable function (PUF) device and method of extending challenge/response pairs in a PUF device
A physically unclonable function (PUF) device comprises a memory block including an array of cells, and a pseudo random number generator (PRNG) configured to generate a number of addresses to challenge the memory block in response to an element selected out of a combination.
Permission control and management for messaging application bots is described. A method can include providing a messaging application, on a first computing device associated with a first user, to enable communication between the first user and another user, and detecting, at the messaging application, a user request. The method can also include programmatically determining that an action in response to the user request requires access to data associated with the first user, and causing a permission interface to be rendered in the messaging application, the permission interface enabling the first user to approve or prohibit access to the data associated with the first user. The method can include accessing the data associated with the first user and performing the action in response to the user request, upon receiving user input from the first user indicating approval of the access to the data associated with the first user.
System and method for generating one-time data signatures
A digital signature is created for a data set based on a group of one-time secret keys. Revealable, representative values of the secret keys are computed, for example by cryptographic hashing, and an authentication code vector is also formed having elements that cryptographically combine each secret key with a randomizing function of the data set. The vector is timestamped and signed at a signing time. Bits of a binary representation of the signing time are used to select which of the secret values are included in a selected key vector. A signature of the digital data is then compiled to include the set of authentication code values, the signature of the authentication code vector, and the selected key vector. The secret keys thereby become unusable after the signing time.
Signature compression for hash-based signature schemes
A digital signature over a message may be compressed by determining a plurality of values based at least in part on the message. A mapping of the plurality of values over a digital signature scheme may be used to determine a value from which a portion of the compressed digital signature is decompressible by cryptographically deriving one or more components of the uncompressed digital signature. A public key may be used to verify the authenticity of the compressed digital signature and message.
Method, system and apparatus using forward-secure cryptography for passcode verification
Methods, apparatus, and systems using dynamic authentication credentials to secure interactions between a user and a computer-based application are disclosed. Dynamic authentication credentials are generated based on a passcode value and a passcode-blinding data element value. The passcode and the passcode-blinding data element values are used to calculate a passcode verifier data element value. The passcode verifier data element value is then used to calculate the dynamic authentication credentials.
Protecting key material using white-box cryptography and split key techniques
Key material is protected using white-box cryptography and split key techniques. An exemplary method comprises splitting a secret key of a software application provider into a plurality of key shares, wherein a subset of the plurality of key shares is needed to reconstruct the secret key; using one key share to encrypt the remaining key shares to obtain a set of wrapped key shares; applying the one key share to a white-box cryptography compiler to generate a white-box cryptographic program; generating a user application linked to the white-box cryptography program; distributing the user application to a user; and providing one wrapped key share to a relying party, wherein, the relying party provides a challenge and the one wrapped key share of the relying party to the user application, wherein the user application provides the one wrapped key share of the relying party to the white-box cryptographic program and obtains a digital signature for the relying party, and wherein the relying party verifies the signature.
Method and encryption node for encrypting message
A method and encryption node (300) for providing encryption of a message m according to a selected encryption scheme. A set of k noise factors are pre-compiled (3:1) from random numbers and predefined integer parameters of the selected encryption scheme by the encryption node (300) in advance. The k noise factors are saved (300a) to be used for encrypting the message m when later requested (3:2) by a client (302). A subset of/noise factors are then selected (3:3) out of the pre-computed set of k noise factors and used as input to the encryption scheme when encrypting (3:5) the message m by computing a cipher text c which is delivered (3:6) as an encrypted message, e.g. to the client (302). Thereby, less time needs to be spent for computing the necessary noise factors after receiving the encryption request and higher throughput can thus be achieved for messages to be encrypted. In particular, the solution may be used to increase the throughput for a stream of messages.
Time synchronisation method, insensitive to power variations, associated receiver and computer program
A method of synchronising a communication signal entering into a receiver. Each frame of the signal includes a learning symbol formed of N repetitions of a learning sequence. The method includes the determination of a total correlation signal by correlating the input signal with a correlation symbol formed of N repetitions of a correlation sequence corresponding to all or part of the learning sequence and duration tsc, and the determination of a partial correlation signal by correlating the input signal with the correlation sequence. A peak of the total correlation signal is identified at an instant tpct. At least one threshold is defined from the power of the peak of the total correlation signal, and the power of the partial correlation signal is compared here to the instants tpct−k*tsc, with k a whole number between 0 and N−1.
Channel-state information process processing method, network device, and user equipment
Embodiments of the present invention provide a channel-state information process processing method, a network device, and a user equipment, where the channel-state information process processing method includes: after receiving a first channel-state information CSI request sent by a first network device, if CSI corresponding to multiple aperiodic CSI processes has not been reported by a user equipment, dropping CSI corresponding to a part of aperiodic CSI processes among the multiple aperiodic CSI processes, where each CSI process is associated with a channel measurement resource and an interference measurement resource. A problem existing after a CoMP technology is introduced can be solved that the UE cannot implement processing of multiple CSI processes.
In one embodiment, a system includes a processor to determine a number P of how many multi-user groups are to be formed to promote airtime fairness for N client devices in which each one client device of the N client devices will be equally represented in the to-be-formed multi-user groups and in which each of the to-be-formed groups is to be actively considered by a scheduler for transmission purposes, the N client devices being associated with N wireless connections with an access point having multi-user simultaneous communication multiple-input multiple-output technology, define P multi-user groups with each one multi-user group of the P multi-user groups having a capacity for M client devices from the N client devices, N being greater than M, and allocate the N client devices to the P multi-user groups with each one client devices of the N client devices being equally represented in the P multi-user groups.
Methods and apparatus for multi-carrier communications with variable channel bandwidth
Methods and apparatus for multi-carrier communication with variable channel bandwidth are disclosed, where the time frame structure and the OFDM symbol structure are invariant and the frequency-domain signal structure is flexible. In one embodiment, a mobile station, upon entering a geographic area, uses a core-band to initiate communication and obtain essential information and subsequently switches to full operating bandwidth of the area for the remainder of the communication. If the mobile station operates in a wide range of bandwidths, the mobile station divides the full range into sub-ranges and adjusts its sampling frequency and its FFT size in each sub-range.
HARQ ACK/NACK bundling in downlink carrier aggregation
There are described methods, devices and systems for bundling of HARQ feedback for a carrier aggregation. Bundling is performed based on one of: Frequency domain bundling; Differentiated bundling for different frequency bands (e.g. differentiated bundling for licensed and unlicensed carriers); differentiated bundling for primary carrier and secondary carriers; and DL CC group specific bundling configuration.
Method and device for iterative demodulation, equalization and channel decoding
The present invention concerns a method and device for demodulating received symbols using a turbo-demodulation scheme comprising an iterative channel equalization and wherein an iterative channel decoder is used in the turbo-demodulation scheme, characterized in that the iterative channel decoder performs a first iterative process named iterative decoding process, the turbo-demodulation performing a second iterative process named iterative demodulation and decoding process, at each iteration of the second iterative process, the iterative channel decoder executing plural iterations in order to decode bits from which symbols are derived from. The iterative channel decoder: —memorizes at the end of the iterations of the first iterative process, the variables used internally by the iterative channel decoder, —reads the memorized variables at the following iteration of the second iterative process.
Received signal processor and method for processing received signal
An appropriate synthesized signal cannot be obtained by only correcting relative phase errors of a plurality of received signals; therefore, a received signal processor according to an exemplary aspect of the present invention includes a plurality of signal-to-noise ratio estimation means for estimating respective signal-to-noise ratios of a plurality of digital signal sequences in which relative phase errors of a plurality of received signal sequences having been corrected; a plurality of temporary decision means for performing symbol decisions of the plurality of digital signal sequences and outputting symbol signal sequences; symbol-map-rotation determination means for determining respective phase rotation amounts of the plurality of digital signal sequences from the plurality of symbol signal sequences and the respective signal-to-noise ratios of the plurality of digital signal sequences; and a plurality of phase rotation means for rotating phases of the plurality of digital signal sequences respectively based on the phase rotation amounts.
Techniques of deep discovery of a composed node through management network
In an aspect of the disclosure, a method, a computer-readable medium, and a computer system are provided. A first service processor of the computer system emulates a first storage device to a composed machine of a computing pod. The first service processor exposes a bootable utility image to the composed machine through the first storage device. The bootable utility image is configured to boot a program that collects hardware inventory information from the composed machine. The first service processor emulates a second storage device to the composed machine. The first service processor receives the hardware inventory information from the composed machine through the second storage device.
Resource mapping to handle bursty interference
Resource mapping and coding schemes to handle bursty interference are disclosed that provide for spreading the modulated symbols for one or more transmission code words over more symbols in the time-frequency transmission stream. Certain aspects allow for the modulated symbols to be based on bits from more than one code word. Other aspects also provide for re-mapping code word transmission sequences for re-transmissions based on the number of re-transmissions requested by the receiver. Additional aspects provide for layered coding that uses a lower fixed-size constellation to encode/decode transmissions in a layered manner in order to achieve a larger-size constellation encoding. The layered encoding process allows the transmitter and receiver to use different coding rates for each coding layer. The layered encoding process also allows interference from neighboring cells to be canceled without knowledge of the actual constellation used to code the interfering neighboring signal.
Electronic device for improving cooperation among a plurality of members
An electronic device 10 that are wirelessly connected to other electronic devices within a range of a limited communication distance, and the device has a controller CNT that configured to determine at least one of whether or not there are a plurality of members who each have an electronic device within a predetermined range and whether or not a plurality of members who each have an electronic device show a same behavior, and to transmit, if it is determined that there are a plurality of members who each have an electronic device within the predetermined range, or that a plurality of members who each have an electronic device show a same behavior, a request to the plurality of electronic devices to generate rhythm signals at a same tempo to encourage improvement in cooperation among the plurality of members.
Reducing variance in reach of WDM channels in an optical network
Systems and methods for reducing variance in reach of wavelength division multiplexed (WDM) channels in optical transport networks may include selecting, for each channel assigned to a respective wavelength, an initial modulation format and an initial distribution of constellation points in the complex plane, determining a target reach for all WDM channels that is achievable by higher wavelength channels but not by shorter wavelength channels, and applying one or more reach extension techniques to at least one shorter wavelength channel but not to the higher wavelength channels. The reach extension techniques may include probabilistic constellation shaping, symbol rate optimized subcarrier multiplexing, or a combination of the two. Transponders may be configurable to transmit or receive traffic over the WDM channels with or without implementing the reach extension techniques, as applicable.
Methods of bi-directional optical communication and optical transceiver
A method (10) of bi-directional optical communication, the method comprising: generating (12) a first optical communication signal for transmission in one direction through an optical fibre, generating the first optical communication signal comprising: receiving information for transmission and generating (14) a baseband signal comprising a representation of the information; performing digital upconversion (16) of the baseband signal to form an upconverted baseband signal; performing optical modulation (18) of an optical carrier signal with the upconverted baseband signal; and restricting an optical spectrum of the first optical communication signal to a first portion of an optical channel frequency slot by performing one of digital filtering (16) in addition to digital upconversion and optical filtering (36) after optical modulation; and receiving (20) a second optical communication signal transmitted in an opposite direction through the optical fibre, the second optical communication signal having an optical spectrum occupying a second portion of the optical channel frequency slot, separate to the first portion.
Communication system and fault location specifying method
A communication system includes three or more nodes, and a multi-core fiber having a plurality of cores, the multi-core fiber being used in at least a partial segment of a connection between the nodes, wherein each of nodes includes: a fault information transmitting device configured to transmit fault information indicating that a fault has occurred in a communication path between one node and another node of the nodes when it is detected that it is not possible to perform communication between the one node and the another node; and a fault location specifying device configured to specify a section between nodes in which a fault has occurred on the basis of the fault information received from the fault information transmitting device provided in each of the nodes.
Extending association beamforming training
Apparatuses, computer readable media, and methods for extending association beamforming training are disclosed. An apparatus is disclosed including processing circuitry. The processing circuitry being configured to decode an enhanced directional multi-gigabit (EDMG) beacon comprising a multiplier field and a length field of an association beamforming training (A-BFT) interval. The processing circuitry may be further configured to determine a count of sector sweep (SSW) slots based on a value of the multiplier field and a value of the length field of the A-BFT interval, and select a SSW slot of the count of SSW slots. The processing circuitry may be further configured to encode a SSW frame, and configure the station to transmit the SSW frame during the selected slot of the count of SSW slots.
Method of transmitting and receiving signal in wireless communication system and apparatus therefor
A method of transmitting and receiving a signal, which is transmitted by a station in a wireless communication system, is disclosed in the present specification. The method can include the steps of receiving a PPDU and performing beamforming training based on a TRN field of the received PPDU. In this case, a training length field belonging to an L-header field of the PPDU indicates a length of the TRN field from the timing at which the PPDU ends in reverse order and a length field belonging to the L-header field of the PPDU can indicate a length resulted from subtracting the length of the TRN field indicated by the training length field from a length of the PPDU after the L-header field.
Channel state information sending method, channel state information receiving method, and device
A channel state information sending method, a channel state information receiving method, and a device are disclosed, to reduce resource overheads required when a terminal device feeds back CSI to a network device in a scenario of a high precision codebook-based precoding matrix. The method includes: determining, by a terminal device, a precoding matrix W; sending, by the terminal device, a signal including CSI to a network device; obtaining, by the network device, an RI and indication information based on the signal including the CSI; obtaining, by the network device, a PMI2 based on the RI and the indication information; and determining, by the network device, the precoding matrix W based on the rank indicator RI and the second precoding matrix indicator PMI2.
Method for transmitting signals in wireless communication system and apparatus therefor
The present invention relates to a method for transmitting, by a terminal, a signal in a wireless communication system supporting Multiple Input Multiple Output (MIMO) and an apparatus therefor. Specifically, the method comprises the steps for: generating precoded sounding reference signals (SRS) on the basis of N antenna elements combined with M transceivers (where M and N are natural numbers, M
Precoding for advanced wireless communication systems
Base station (BS) capable of beamforming in a wireless communication includes a transceiver comprising an antenna array, the transceiver configured to measure SRS from a UE, using at least one portion of the antenna array, and a processor configured to select at least one UL beam vector based on an SRS measurement from a UL beam-codebook comprising a set of beam weight vectors, determine at least one DL beam weight vector corresponding to each of the selected at least one UL beam weight vector, transmit a beamformed CSI-RS by applying the at least one DL beam weight vector to the antenna array, receive a CSI feedback including a PMI from the UE, wherein the PMI is determined based on the beamformed CSI-RS, and construct a precoding channel matrix for the UE based on the PMI and the at least one DL beam weight vector.
Codebook sub-sampling for CSI feedback on PUCCH for 4Tx MIMO
Channel state information (CSI) feedback in a wireless communication system is disclosed. User equipment transmits a CSI feedback signal via a Physical Uplink Control CHannel (PUCCH). If the UE is configured in a first feedback mode, the CSI comprises a first report jointly coding a Rank Indicator (RI) and a first precoding matrix indicator (PMI1), and a second report coding Channel Quality Indicator (CQI) and a second precoding matrix indicator (PMI2). If the UE is configured in a second feedback mode, the CSI comprises a first report coding RI, and a second report coding CQI, PMI1 and PMI2. The jointly coded RI and PMI1 employs codebook sub-sampling, and the jointly coding PMI1, PMI2 and CQI employs codebook sub-sampling.
Method for determining a precoding matrix and precoding module
A method for determining a precoding matrix for a MIMO transmitter based on a weighted MMSE algorithm is disclosed. A precoding module identically transforms a first matrix expression into a second matrix expression. The first matrix expression comprises a matrix inversion operation of a quadratic matrix having a rank equal to a number of antennas of the MIMO transmitter. The second matrix expression comprises a matrix inversion operation of a quadratic matrix having a rank equal to a number of receivers scheduled for the MIMO transmitter.
Method and apparatus for estimating channel in communication system supporting MIMO-based beamforming
The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transmission rate than a 4G communication system such as LTE. The present disclosure relates to a method for a transmission end to estimate a channel in a communication system supporting multiple input multiple output (MIMO)-based beamforming, the method comprising: a step of obtaining a candidate channel estimate of each of a plurality of candidate beam combinations by means of a channel estimation section corresponding to each of the plurality of candidate beam combinations, the combinations consisting of at least one transmission beam and at least one reception beam from among transmission beams of the transmission end and reception beams of a reception end, wherein the channel estimation section corresponding to each of the plurality of candidate beam combinations comprises a serving channel estimation section corresponding to a serving beam combination of the transmission end and the reception end, a channel gain estimation section of one candidate beam combination of the plurality of candidate beam combinations, and a channel estimation section of the candidate beam combination; and a step of obtaining an optimal channel estimation value of the transmission end and the reception end on the basis of the obtained candidate channel estimates.
Detection scheme utilizing transmitter-supplied non-linearity data in the presence of transmitter non-linearity
Improved wireless communications are enabled. For example, a transmitter can characterize a response of non-linear devices associated with an active-array-antenna. Data indicative of the non-linear response is forwarded to a receiving device, which can utilize the data in conjunction with decoding wireless transmissions of the active-array-antenna. Improved bit error rates can be achieved when utilizing transmitter-provided non-linear response data, as provided herein.
Apparatuses, methods, and systems of a hybrid node are disclosed. One embodiment of the hybrid node includes a first sector and a second sector. The first sector is operative to transmit a signal through a predetermined transmission channel at each of a first plurality of transmit beam forming settings. The second sector is operative to receive the signal through the predetermined channel at a second plurality of receive beam forming settings for each of more than one of the first plurality of transmit beam forming settings. Further, the node is operative to measure a received signal quality of the received signal at each of the second plurality of receive beam forming settings of the second plurality of antenna elements, for each of the more than one of the first plurality of transmit beam forming settings of the first plurality of antenna elements.
Wireless communication wherein channel estimation accuracy is improved while keeping the position of each bit in a frame, even when a modulation system having a large modulation multiple value is used for a data symbol. An encoding operation encodes and outputs transmitting data (bit string) and a bit converting operation converts at least one bit of a plurality of bits constituting a data symbol to be used for channel estimation, among the encoded bit strings, into ‘1’ or ‘0’. A modulating operation modulates the bit string inputted from the bit converting operation by using a single modulation mapper and a plurality of data symbols are generated.
Cell phone case with card storage capability
Provided is a cell phone case capable of storing a card, and more particularly, a cell phone case which can open/close a card storing space by using and semi-automatically sliding elastic slide hooks, and is configured such that a case main body, a card storage part, and an opening/closing cover can all be decoupled/coupled.
Network-aware adjacent channel interference rejection and out of band emission suppression
A system and method for adaptively utilizing transmitter windowing, receiver windowing and alignment signals for minimizing interference and maximizing capacity and energy efficiency based upon the received power ratios of links in adjacent bands of a cellular communication network.
Integrative software radio
An integrative software radio embodies a single multi-radio device including functionalities that are a superset of a plurality of individual discrete radio devices includes a radio frequency transmitter that integrates transmission capabilities of a plurality of discrete transmitters such that the radio frequency transmitter is configured to generate a first amalgamated waveform that is a combination of individual waveforms, each individual waveform corresponding to the transmission capabilities of its respective one of the plurality of discrete transmitters, wherein the transmission capabilities each of the plurality of discrete transmitters comprise operating characteristics different from one or more of the other discrete transmitters, wherein a waveform of a discrete transmitter comprises an adjustable electromagnetic wavefront and a proprietary waveform generation component; and a mission module communicatively coupled to the plurality of discrete transmitters and configured to alter the wavefront of at least one of the plurality of discrete transmitters to reduce interference among the at least one of the plurality of discrete transmitters without adjusting the proprietary waveform generation component.
Error correction circuit, operating method thereof and data storage device including the same
An error correction circuit includes a control unit configured to receive a data chunk including data blocks, each of the data blocks being included in corresponding codewords of first and second directions; and a decoder configured to perform a decoding operation for a codeword selected by the control unit. The control unit selects a first codeword among codewords selected in the data chunk, and provides the first codeword to the decoder by performing a flip operation in a first data block included in the first codeword. The control unit selects a second codeword among the selected codewords, and provides the second codeword to the decoder by performing a flip operation in a second data block included in the second codeword. When a decoding operation for the first codeword fails, the control unit selects the second data block to be included in different codewords from the first data block.
Parity puncturing device for variable-length signaling information encoding, and parity puncturing method using same
A parity puncturing apparatus and method for variable length signaling information are disclosed. A parity puncturing apparatus according to an embodiment of the present invention includes memory configured to provide a parity bit string for parity puncturing for the parity bits of an LDPC codeword whose length is 16200 and whose code rate is 3/15, and a processor configured to puncture a number of bits corresponding to a final puncturing size from the rear side of the parity bit string.
Channel decoding method and channel decoding device
This method and device makes it possible to implement maximum likelihood decoding of a sparse graph code at low computational complexity in the maximum likelihood decoding of the sparse graph code. This is, in the maximum likelihood of decoding of the sparse graph code, a lost data decoding process by a trivial decoding method and a lost data decoding process by a Gauss elimination method are performed repeatedly and alternately.
Polar coding method and apparatus
This application relates to the field of communications technologies, and discloses example polar coding methods and apparatus, so as to improve accuracy of a reliability order of polarized channels. One example method includes determining a sequence used to code to-be-coded bits, and performing polar coding on the to-be-coded bits by using the sequence to obtain coded bits, where the sequence is used to represent a reliability order of N polarized channels, where N is a mother code length of a polar code, and wherein N is a positive integer power of 2.
Efficient list decoding of LDPC codes
Certain aspects of the present disclosure generally relate to methods and apparatus for decoding low density parity check (LDPC) codes, and more particularly to an efficient list decoder for list decoding low density parity check (LDPC) codes.
Apparatus and method for decoding LDPC code
The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). Disclosed is an apparatus for performing an iteration decoding scheme for a Low Density Parity Check (LDPC) code. The apparatus includes a receiver configured to receive an encoded signal based on a parity matrix set for a plurality of variable nodes including a first variable node with a first degree and a second variable node with a second degree. The apparatus further includes a processor configured to determine at least one variable node based on a first threshold determined according to the first degree and a second threshold determined according to the second degree among the plurality of variable nodes and to generate decoded data from the signal based on the at least one determined variable node.
Low distortion successive approximation register (SAR) analog-to-digital converters (ADCs) and associated methods
An ADC device comprises a comparator having an output, a first input, and a second input. And the ADC includes a SAR configured to receive the output of the comparator as an input and to generate based thereon a parallel digital output having a most significant bit (MSB) and a plurality of less significant bits associated with a reference voltage. The ADC also includes a DAC configured to receive the parallel digital output from the SAR and to generate based thereon an internal analog signal, the internal analog signal applied as the first input to the comparator. The DAC further includes a capacitor network coupled to the first input having a redistribution capacitor coupled to a first voltage that is greater than the reference voltage such that a ratio N is equal to the reference voltage divided by the first voltage. The DAC also includes one or more first capacitors also coupled to the first voltage, where at least one first capacitor is associated with the MSB. The DAC further including and a plurality of second capacitors coupled to the reference voltage, wherein the redistribution capacitor having a capacitive value that is equal to (1−N) times the total capacitance of a parallel combination of the one or more first capacitors. And the second capacitors are associated with less significant bits, and an input voltage line carrying an input voltage (VIN) switchably coupled to the first input or switchably coupled to the second input.
Electric quantity measuring device comprising an analog-digital converter
It is described an electronic device (1) for measuring an electric quantity, comprising: an analog-digital conversion module (2) configured to digitally convert time portions of an analog signal (SM(t)) to be measured alternated with time portions of a reference analog signal (SR(t)), for supplying respective first (DSM) and second pluralities (DSR) of digital values and a digital processing module (3) configured to: calculate a first mean amplitude (A1) of the first pluralities of digital values, and a second mean amplitude (A2) of the second pluralities of digital values; the first and second mean amplitudes being proportional to a mean gain value of the analog-digital conversion module (2); supply a ratio value (VRT) of the first mean amplitude to the second mean amplitude, representative of a measured amplitude of the analog signal (SM(t)) to be measured.
Adaptive jitter and spur adjustment for clock circuits
An apparatus includes a control circuit configured to generate a frequency divider control signal approximating a fractional divide ratio. The apparatus includes a frequency divider configured to generate an output clock signal based on an input clock signal and an adjusted frequency divider control signal. The output clock signal is a frequency-divided version of the input clock signal. The apparatus includes a measurement circuit configured to provide digital time information corresponding to an edge of the output clock signal. The apparatus includes an adaptive adjustment circuit configured to generate the adjusted frequency divider control signal based on the frequency divider control signal and the digital time information.
Metastable-free output synchronization for multiple-chip systems and the like
A chip having output synchronization includes a phase detector for receiving an external reference clock signal, an input delay path coupled to an output of the phase detector and having an output for providing an internal reference clock signal, an output delay path coupled to the output of the input delay path and having an output coupled to a feedback input of the phase detector, a phase adjustment circuit having a first input coupled to the output of the input delay path, a second input for receiving a local clock signal, and an output coupled to the control input of the input delay path, and a synchronization capture circuit having a first input coupled to the output of said input delay path, a second input for receiving the local clock signal, a third input for receiving a synchronization signal, and an output for providing a synchronization trigger signal.
Phase-continuous reference clock frequency shift for digital phase locked loop
Systems, circuitries, and methods are described for phase-continuous shifting of a reference clock frequency from fREF to NREF for a DPLL that includes a DCO and a feedback loop that generates a feedback signal. The DPLL generates a local oscillator signal based on an analog reference signal having a reference clock frequency fREF and a digital reference signal having the reference clock frequency fREF. In one example, the method includes receiving a target time and at expiration of a first nonzero interval after the target time, generating a subsequent feedback signal having the target reference clock frequency NfREF; at expiration of a second nonzero interval after the target time, generating a subsequent analog reference signal having the target reference clock frequency NfREF; and at expiration of a third nonzero interval after the target time, generating a subsequent digital reference clock signal having the target reference clock frequency NfREF.
Oven controlled crystal oscillator consisting of heater-embedded ceramic package
An oven controlled crystal oscillator consisting of heater-embedded ceramic package includes a substrate, a crystal package, a crystal blank, a metal lid, a first IC chip, and a cover lid. The crystal package is mounted on the substrate, and a central bottom of the crystal package is provided with the first IC chip. The crystal blank is mounted in the crystal package and sealed by the metal lid. The crystal package has an embedded heater layer establishing a symmetric thermal field with respect to the first IC chip and the crystal blank. Alternatively, a heater-embedded ceramic carrier substrate is arranged between the first IC chip and the crystal blank to establish a symmetric thermal field with respect to the first IC chip and the crystal blank. The cover lid is combined with the substrate to cover the crystal package and the metal lid.
Field programmable transistor arrays
Illustrative embodiments provide a field-programmable transistor array and a method of making an integrated circuit comprising a field-programmable transistor array. The field-programmable transistor array comprises a plurality of logic cells. Each of the plurality of logic cells comprises a plurality of columns of transistors. Each of the plurality of columns of transistors comprises a plurality of first transistors and a plurality of second transistors. Each of the plurality of first transistors are individually programmable to be either always on, always off, or to be controlled by a logic signal to be on or off. Each of the plurality of second transistors are configured to be programmed to be always on or always off.
Circuit and system implementing a smart fuse for a power supply
A circuit includes a voltage source, a transistor, a load current sensor, a hardware latch and a logic circuit. The transistor is connected between the voltage source and a load. The sensor emits a fault signal when the load current exceeds a predetermined value. The hardware latch sets a latch signal when it receives the fault signal and maintains the latch signal until it receives a rearm signal. The logic circuit receives the latch signal from the hardware latch and also receives a software command for controlling turning on and off of the circuit. When the latch signal is not set, the logic circuit converts the software command to a control voltage applied at a gate of the transistor, turning on the transistor to allow power delivery to the load. A system includes a microcontroller providing software commands and rearm signals to a plurality of circuits.
Gate drive circuit, power conversion apparatus, and railway vehicle
A gate drive circuit to prevent a false turn-on phenomenon includes a first, second, third and fourth switching element, and a capacitor. A source of the first switching element is connected to a first voltage, and a drain of the same is connected to the main switching element's gate electrode. A source of the second switching element is connected to a second voltage, and a drain of the same is connected to the gate electrode. A source of the third switching element is connected to the first voltage, and a drain of the same is connected to a first electrode of the capacitor. A source of the fourth switching element is connected to the second voltage, and a drain of the same is connected to the first electrode and to the drain of the third switching element. A second electrode of the capacitor is connected to the gate electrode.
Glitch compensation in electronic circuits
A supply circuit for providing pulses of current has a current source, a reference voltage source for controlling magnitude of the current, and a current switch for controlling whether or not the current passes through a load. Also, there is a switch control signal terminal for controlling the current switch, and glitch compensation elements including at least one capacitance circuit and associated capacitor drive circuit for feeding a variable correcting voltage back to the reference voltage, and a controller to control said variable voltage.
Voltage surge is prevented when the output from a driver of a driving circuit performs a hard shutdown. In this manner, the elements in the driving circuit are prevented from being damaged by the voltage surge. A driving circuit includes a level shift circuit configured to convert an input signal from a preceding-stage circuit into an output signal having a higher voltage than the input signal, and a controller configured to determine whether a switch element is to perform a soft shutdown based on a state signal indicating a state of the preceding-stage circuit. Here, the driving circuit is configured to drive the switch element.
High-speed switch with accelerated switching time
A method and apparatus is disclosed for maintaining a stable power supply to a circuit when activating/deactivating a switch in order to accelerate the switching time of the switch. The gate of a FET is coupled to a switch driver. The switch driver is powered by a positive power supply and a negative power supply. When the switch is to be activated/deactivated, the gate is first coupled to a reference potential (i.e., ground) for a “reset period” to reduce any positive/negative charge that has been accumulated in the FET. At the end of the reset period, the gate is then released from the reference potential and the switch driver drives the gate to the desired voltage level to either activate or deactivate the switch.
Circuit for comparison of a voltage with a threshold and conversion of electrical energy
The instant disclosure relates to a circuit for comparing a voltage with a first threshold, in which said first threshold depends on a second threshold of opening at least one first normally closed breaker.
Cross-point offset adjustment circuit
A differential signal offset adjustment circuit may include a first circuit for receiving a first one of a differential input signal and generating a first one of a differential output signal with positive offset based on a differential offset signal. The circuit may further include a second circuit for receiving a second one of a differential input signal and generating a second one of a differential output signal with a negative offset based on the differential offset signal.
A semiconductor device may include a clock driver including a first gate line, a second gate line, a third gate line and a fourth gate line each extending in a first direction, the first gate line and the second gate line each configured to receive a clock signal, and the third gate line and the fourth gate line each configured to receive an inverted clock signal; a master latch circuit overlapping the first gate line and the third gate line such that the master latch circuit receive the clock signal from the first gate line and receive the inverted clock signal from the third gate line; and a slave latch circuit overlapping the second gate line and the fourth gate line such that the slave latch circuit receives the clock signal from the second gate line, and receives the inverted clock signal from the fourth gate line.
Transmitting watchdog and precision measurements across a galvanic isolation barrier in the presence of large periodic noise pulses
A control system (100, 200) and method (300) are provided where a first voltage domain circuit (111) and a power switch (121) operate in a first voltage domain and where a second voltage domain circuit (109) operates in a second voltage domain, where the second voltage domain circuit includes a gate driver circuit (202) for providing a control terminal driving signal (PWM1) to drive the power switch, and also includes a watchdog communication circuit (207) for scheduling watchdog communications between the first and second voltage domain circuits to be temporally separated from noise-inducing signal transitions in the control terminal driving signal.
Sine-wave multiplier and input device including the same
In a sine-wave multiplier, signal components included in an output signal Qu1 and corresponding to the product of a third-order harmonic component of a first square wave W1 and an input signal Vi and the product of a fifth-order harmonic component of the first square wave W1 and the input signal Vi are offset by a signal component included in an output signal Qu2 and corresponding to the product of a fundamental component of a second square wave W2 and the input signal Vi and a signal component included in an output signal Qu3 and corresponding to the product of a fundamental component of a second square wave W3 and the input signal Vi.
Time synchronized networks of wireless nodes and the wireless nodes
A wireless network includes a tunable RF transmitter in wireless communication with a master node to transmit at a first slave frequency; a tunable RF receiver in wireless communication with the master node to receive at a second slave frequency; and an RF oscillator to communicate with the RF receiver and the RF transmitter an RF oscillator frequency to determine and tune the first and second slave frequencies. The RF oscillator is configured to receive calibration information including time information or frequency information, or both, from a reference node. The RF oscillator frequency of the RF oscillator is tuned based on the calibration information from the reference node to enable communication between the slave node and the master node at the tuned RF oscillator frequency.
Acoustic wave resonator and filter including the same
An acoustic wave resonator includes a substrate; a resonating part disposed on a first surface of the substrate and including a first electrode, a piezoelectric layer, and a second electrode; and a cap disposed on the first surface of the substrate and including an accommodating part accommodating the resonating part. The resonating part is configured to be operated by either one or both of a signal output from a first device substrate disposed facing a second surface of the substrate on an opposite side of the substrate from the first surface of the substrate and a signal output from a second device substrate disposed on the cap.
Power amplifier bias circuit with a mirror device to provide a mirror bias signal
A bias circuit for power amplifiers is disclosed. A power amplifier bias circuit can include an emitter follower device and an emitter follower mirror device coupled to form a mirror configuration. The emitter follower device can be configured to provide a bias signal for a power amplifier at an output port. The power amplifier bias circuit can include a reference device configured to mirror an amplifying transistor of an amplifying device of the power amplifier. The emitter follower mirror device can be configured to provide a mirror bias signal to the reference device. A node between the emitter follower device and the emitter follower mirror device can have a voltage of approximately twice a base-emitter voltage (2Vbe) of the amplifying transistor.
Power amplification device, terminal having the same, and base station having the same
The method and system for converging a 5th-generation (5G) communication system for supporting higher data rates beyond a 4th-generation (4G) system with a technology for internet of things (IoT) are provided. The method includes intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The system includes a power amplification device capable of minimizing the effect of envelope impedance. The power amplification device may be incorporated in a terminal and a base station.
A voltage-to-current converter that reduces third harmonic distortion. An amplifier includes an input stage. The input stage includes a first voltage-to-current conversion stage and a second voltage-to-current conversion stage. The first voltage-to-current conversion stage is configured to provide an input to output gain with compressive nonlinearity. The second voltage-to-current stage is cascaded with the first voltage-to-current conversion stage. An input of the second voltage-to-current stage is connected to an output of the first voltage-to-current conversion stage. The second voltage-to-current conversion stage is configured to provide an input to output gain with expansive nonlinearity.
Circuit for supplying power to an electric load, and for receiving desired signals sent from the electric load
Described is a circuit for supplying power to an electric load connected to the circuit via an interface, and for receiving desired signals transmitted from the electric load by an amplitude modulation, performed by the electric load, of a carrier signal transmitted from the circuit via the interface, said carrier signal serving to supply power to the electric load, with a carrier signal generator that comprises a direct voltage source and a DC-AC converter downstream of the direct voltage source, and with a demodulator for extraction of desired signals modulated by the electric load on the carrier signal, which circuit has a high efficiency without the use of choke coils. The demodulator is designed to extract the desired signals using a current corresponding to a carrier signal current flowing through a current path of the circuit during a transmission of the desired signals, said carrier signal current flowing across the interface.
Oscillator, electronic apparatus, and vehicle
An oscillator includes a vibration element, an oscillation circuit configured to oscillate the vibration element and output an oscillation signal, a temperature sensor, a temperature compensation circuit configured to compensate for a frequency temperature characteristic of the vibration element based on an output signal of the temperature sensor. The vibration element is within a first case having a first atmosphere, and the oscillation circuit, the temperature sensor, and the first case are within a second case having a second atmosphere, whereby the first atmosphere has a higher thermal conductivity than the second atmosphere.
Photovoltaic assembly having corner-facing electrical connector port
Photovoltaic (PV) assemblies and electrical connections for interconnecting PV modules to form PV arrays are described herein. The PV assemblies can include angled connector terminals to electrically mate with power connector ports of the PV modules. A power connector port can face a corner of a PV module. The electrical connections of the PV assemblies can simplify cable management and facilitate flexibility in arrangement and interconnection of PV modules and PV arrays.
Solar panel cleaning robot
A solar panel cleaning robot is provided and has a robot body. The robot body can move on at least one solar panel. A cleaning device, a power system, a control system and an electric power system are disposed on an internal or an external of the robot body.
Waterproofing mounting system for attaching solar modules to a roof
A roof mounting system for the attachment of an article to a roof, the system comprising a plurality of PV modules each having at least one corner and a frame member, a flashing member having a top surface; an upstanding sleeve attached to the top surface of the flashing member; an elevated water seal having a borehole formed therethrough, the elevated water seal further comprising at least one screw for providing a waterproof seal between the article and the roof structure; and whereby the plurality of PV modules are interlocked in a way to provide a corner-to-corner coupling arrangement supported above the roof through the frame members of the plurality of PV modules.
Solar cell panel securing structure and securing unit
In a securing unit including first frames for holding the end sides of a solar cell and a securing tool, the securing tool includes a base member that is secured to an installation face, a stand that is erected from the base member, a shaft that has an external thread and is held by the stand in a state in which a movement in the axial direction is restricted, and a holder that holds the first frame by inserting a lateral side extended portion into a slit of the first frame and moves up and down relatively to the stand by screwing internal threads formed in the holder together with the external thread of the shaft.
Solar-collector roofing assembly
A solar-collector roofing assembly (10) comprises a plurality of elongate spaced-apart primary support members (12) aligned in a horizontal plane and extending in a first direction A; a plurality of elongate spaced-apart secondary support members (14) having first and second end portions (38, 40) connected to corresponding said primary support members (12), first and second end portions (38, 40) on a respective primary support member (12) being vertically offset relative to each other; and at least one solar-energy collector panel (16) directly or indirectly supported by the secondary support members (14) so as to have a predetermined fall towards an associated primary support member (12).
Linear conveyor device and drive control method therefor
In a linear conveyor device, each driver in each of sensor structural bodies includes a sensor position calculation part, a position identification part and a power supply control part. The sensor position calculation part calculates sensor position data of a sensor which forms a sensor structural body to which the sensor position calculation part per se belongs based on first sensor distance data which is stored in a data storage part. The position identification part identifies the position of a slider based on addition data obtained by adding sensor position data by the sensor position calculation part and detection data by a sensor which forms the sensor structural body. Then, the power supply control part drives a linear motor by performing a power supply control of a linear motor stator corresponding to the sensor structural body based on an identification result obtained by the position identification part.
Method of driving a driving apparatus
The present invention provides a driving apparatus capable of suppressing the operation noise. A driving apparatus comprises a piezoelectric element expanding and contracting in accordance with a driving signal; a supporting shaft connected to said piezoelectric element; a movable body frictionally engaged with said supporting shaft and capable of moving along said supporting shaft; and a driving portion applying said driving signal including a first driving signal which moves said movable body towards a first direction to said piezoelectric element, wherein said driving portion can repeatedly apply said first driving signal against said piezoelectric element by taking a first time in between, and said first driving signal comprises a main driving waveform group which moves said movable body to said first direction, and a sub driving waveform group which is placed after said main driving waveform group by having a second rest time shorter than said first time in between.
Piezoelectric device drive circuit and suction apparatus
A piezoelectric device drive circuit applies a drive signal to a piezoelectric device. An H-bridge circuit includes a first input terminal, a second input terminal, a first output terminal, and a second output terminal, the first output terminal and the second output terminal being connected to the piezoelectric device. A resistor is connected between the piezoelectric device and the first output terminal. A differential amplifier circuit receives, as an input, a voltage across the resistor. An inverting circuit has an input terminal connected to an output terminal of the differential amplifier circuit. A comparator has an input terminal connected to an input terminal of the inverting circuit, and an output terminal connected to the first input terminal. A comparator has an input terminal connected to an output terminal of the inverting circuit, and an output terminal connected to the second input terminal.
Inverter apparatus and method of controlling the same
An inverter apparatus includes a first switch, a second switch, a third switch, a fourth switch, a load detection unit, and a control unit. The first switch and the fourth switch form a first switch assembly, and the second switch and the third switch form a second switch assembly. The control unit selects a control mode to be that two switches of the first switch assembly are not turned off and at least one switch of the second switch assembly is turned off, or two switches of the second switch assembly are not turned off and at least one switch of the first switch assembly is turned off, or two switches of the first switch assembly and two switches of the second switch assembly are not turned off.
Power interface system for reducing power variations in an output power of switching regulators
A power interface system for reducing power variations includes multiple control circuits configured to control a plurality of switching regulators operating at different frequencies to provide a shared output power to a load. Each control circuit receives a power variation signal resulting from a power variation in the shared output power of the plurality of switching regulators, separates a respective frequency component from multiple frequency components of the power variation signal, and controls, based on the separated respective frequency component, a respective switching regulator of the plurality of switching regulators to source current to, or sink current from, the shared output power until the shared output power reaches a threshold level.
Adaptive control of synchronous rectifier
The present invention relates to a current loop powered DC-DC switch mode converter for use as a local isolated low power supply for electronic circuits such as current loop transmitters where the requirements for supply efficiency and cost of the implementation is critical. It is the object of the invention to provide a simple and low cost solution for driving a synchronous rectifier thereby improving the supply efficiency, especially at low output voltages.
Adaptive wakeup time control in burst mode of a primary side regulated flyback converter
A flyback converter can include an auxiliary winding magnetically coupled to the secondary (output) for sensing a reflected output voltage. A controller can operate a power switch of the flyback converter in a burst mode to deliver a number of pulses, causing the output voltage to reach a threshold, and thereafter suspend switching for a predetermined time period before delivering a further number of pulses. The delivered number of pulses can be counted, and, responsive to a determination that the count is less than a predetermined minimum number of pulses, the predetermined time period can be increased. Responsive to a determination that the count is greater than a predetermined maximum number of pulses, the predetermined time period can be decreased.
Power converter with two capacitors accommodated in a housing
A power converter for converting an input voltage into a predetermined voltage. The power converter includes a housing including a conductive portion. At least two capacitors are electrically connected to the conductive portion. A transformer, which is configured to serve as a choke coil, includes a winding and a core surrounding the winding with a portion of the winding being exposed from the core. The winding includes a lead that is led out from the exposed portion of the winding to the exterior of the transformer. The at least two capacitors, the lead, and the conductive portion of the housing form a loop circuit together. At least part of the exposed portion of the winding overlaps an internal region of the loop circuit, in a front view of the transformer as seen from a direction in which the lead is led out from the exposed portion of the winding.
Fuel cell system and method for controlling the fuel cell system
The present disclosure is made in order to reduce inaccuracy of current sensors. A fuel cell system includes a converter configured to convert output voltage of the fuel cell, and a current sensor including a preliminarily magnetized magnetic core and configured to measure current flowing in the converter from the fuel cell. A controller operates in a first driving mode in which a maximum current value in a target circuit of current measurement by the current sensor is lower than a current value for preliminary magnetization of the magnetic core, and a second driving mode in which the maximum current value in the target circuit is higher than the maximum current value in the target circuit in the first driving mode. When an accumulated temperature value of the current sensor in the first driving mode exceeds a threshold, the second driving mode is executed, followed by the first driving mode.
Voltage regulator having boost and charge pump functionality
Methods and apparatus for a voltage regulator having a boost module and a charge pump module. In embodiments, the charge pump module is configured to operate in multiple modes. In embodiments, an IC package includes the boost module and the charge pump with a shared component, such as a capacitor.
Wireless power transmitter having low noise and high efficiency, and related methods
A wireless power transmitter comprises a bridge inverter including a first switch and a second switch coupled together with a first switching node therebetween, and a first capacitor coupled to the first switching node. The transmitter further includes control logic configured to control the first switch and the second switch according to an operating frequency to generate an AC power signal from a DC power signal, and a resonant tank operably coupled to the first switching node of the bridge inverter, the resonant tank configured to receive the AC power signal and generate an electromagnetic field responsive thereto. A method for operating the wireless power transmitter and a method for making the wireless power transmitter are also disclosed.
Switching power supply with a measuring and calculating process for the switching times
A switching power supply includes a power converter with an inductor and first and second switches that converts a voltage Vac to a voltage Vdc, a detector with a winding that detects zero timing of an inductor current, and a driving signal generator that switches on the second switch based on the zero timing and then switches on the first switch. The driving signal generator ends a period T2 before the zero timing by executing a measuring process for an on period T1 of the second switch, a process that calculates the period T2 from T2=T1×|Vac|/(Vdc−|Vac|)−Tc using a correction time Tc, a process that switches on the first switch for only the period T2, a process that measures an elapsed time between the periods T2 and T1, and a process that changes the correction time Tc so that the elapsed time becomes a target time.
Sliding linear bearing having a small angular error
A sliding linear bearing includes a guide shaft on which a slider is movably guided in a guide direction. Bushes are inserted between the guide shaft and the slider including a main bush that is fixedly attached to the slider and a preloading bush that is held so as to be rotatable relative to the slider about the guide direction while being preloaded with a torque. The main bush and the preloading bush are preloaded by the torque in opposite directions of rotation without play relative to the guide shaft. A contact region between each of the bushes and the guide shaft blocks rotation about the guide direction between the slider and the guide shaft in both directions of rotation.
Oscillating motor and electric clippers
An oscillating motor and electric clippers. The oscillating motor includes a U-shaped magnetic yoke, four permanent magnets and a swing arm. The U-shaped magnetic yoke causes end faces of two support legs to produce alternating magnetic poles with the control circuit. The four permanent magnets are fixedly mounted to an inner arm via a second magnetic yoke. The four permanent magnets are sequentially distributed on a same circumferential surface having a fulcrum being a centre of rotation. The polarities of radial end faces of the first permanent magnet and the fourth permanent magnet are the same. The polarities of radial end faces of the second permanent magnet and the third permanent magnet are the same, and the opposite of the polarity of the radial end face of the first permanent magnet. When a coil is electrified, the four permanent magnets produce torque having the same direction of rotation.
Inner rotor-type permanent magnet motor with annular magnetic poles
A motor includes poles P having a remanence Mr of 0.9 T or more, a coercivity HcJ of 0.80 MA/m or more, and a maximum energy product (BH)max of 150 kJ/m3 or more, which sets a center point Pc of the magnetic poles in a circumferential direction on a rotor outer circumferential surface to a maximum thickness tmax, wherein when a line connecting the Pc and a rotational axis center Rc is Pc-Rc, a straight line connecting an arbitrary point Px in the circumferential direction on the rotor outer circumferential surface and the Rc is Px-Rc, an apex angle of the lines Pc-Rc and Px-Rc is θ, a number of pole pairs is Pn, a circumferential direction magnetic pole end is Pe, and a magnetic pole end biasing distance ΔLPe of the circumferential direction magnetic pole ends Pe is α×tmax (α is a coefficient).
Device for attaching/detaching idler horn for actuator module
An embodiment of the present invention provides a device for attaching/detaching an idler horn for an actuator module which can have a motor, a reduction gear and a control circuit equipped therein. The device, for attaching/detaching an idler horn, comprises: a ring-shaped elastic switch which surrounds the inner end part of a cylindrical hollow portion provided on one side of a housing that forms the outer skin of an actuator module; and a ring-shaped cover member which is for fixing the ring-shaped elastic switch, wherein the ring-shaped elastic switch can be selectively attached/detached to/from an idler horn by means of elasticity.
Rotating electric machine
Slot accommodation portions of single coils forming an armature coil are arranged so as to be stacked in the radial direction in a slot. On the anti-wire-connection side, a one-side extending portion which is a coil end extending from the slot accommodation portion in the first layer, and a one-side extending portion which is a coil end extending from the slot accommodation portion in the second layer, extend in the same direction. No insulation sheet is provided in intervals between coil ends extending in the same direction, such as the extending portions (23b) and (21b) and extending portions (21d) and (22d).
Stacking-type stator using multilayer printed circuit board, and single-phase motor and cooling fan using same
Provided is a stacking-type stator using a multilayer printed circuit board (PCB) in which torque generation can be maximized in an opposite rotor, and a single-phase motor and a cooling fan both using the same. The stacking-type stator includes: a multilayer printed circuit board (PCB) that is stacked and integrated with a penetration opening; and a coil pattern patterned on each layer of the multilayer PCB, wherein throughholes are formed to penetrate the multilayer PCB and connect the coil patterns, wherein the coil pattern comprises: inner and outer rotating direction pattern portions which are arranged in a circumferential direction at intervals along an inner circumference and an outer circumference concentrically with the penetration opening; and a radial pattern portion that interconnects the inner rotating direction pattern portion and the outer rotating direction pattern portion that are adjacent to each other and is disposed along the radial direction.
Slot antenna with orthogonally positioned slot segments for receiving electromagnetic waves having different polarizations
An antenna for receiving electromagnetic waves having different polarizations that comprises a plurality of slots defined by a piece of metal, and each of the plurality of slots includes at least two continuous segments. In addition, for each of the plurality of slots: a first segment of the at least two continuous segments is: (i) defined by the piece of metal in a first dimension, and (ii) configured to receive radio frequency (RF) power transmission waves having a first polarization, and a second segment of the at least two continuous segments is: (i) defined by the piece of metal in a second dimension, distinct from the first dimension, and (ii) configured to receive RF power transmission waves having a second polarization different from the first polarization.
Energy conversion and storage apparatus using electronic wave
Provided is an energy conversion and storage apparatus using an electronic wave. The device comprises: a rectifier which rectifies an alternating current generated by converting an electronic wave inputted from the outside; and storage which receives and stores the rectified alternating current and is grounded.
Wireless power transfer system
A power receiving rectifier circuit is configured in series with a power receiving resonance mechanism. A first power receiving device has a load with a small equivalent resistance value, and the frequency response of a voltage gain thereof, which is the ratio of direct-current output to input voltage, is double-peaked. A second power receiving device has a load with a large equivalent resistance value, and a single-peaked frequency response of a voltage gain thereof. For the first power receiving device, by setting a coupling coefficient between power receiving and transmitting coils, the voltage gain is determined by the positional relationship between one of the frequencies at maximum voltage gain and the operating frequency, whereas for second power receiving device, the frequency at maximum voltage gain is determined close to the operating frequency, and the voltage gain is determined by setting a coupling coefficient between power receiving and transmitting coils.
Device with a receiving antenna and a related power transfer system
The present invention is about a device with a receiving antenna (110), wherein the receiving antenna (110) comprises a secondary coil (112), and being arranged for inductively connecting to a transmitting antenna (200) comprising a primary coil (202). The device of the invention is characterized in that the receiving antenna (110) further comprises a tertiary coil (114) arranged to have connection to a load in the device; and a capacitor (142) to which the secondary coil (112) is connected; and there is an encapsulation (120) comprising a low liquid permeability and non-conductive material encapsulating at least a part of the receiving antenna (110). Additionally, the present invention is about a power transfer system.
Wireless power receiver
An electronic device is provided that includes a housing and a power receiver disposed within the housing. The power receiver includes a conductive pattern for receiving power wirelessly. The conductive pattern includes a main coil having a plurality of turns, a first sub-coil formed at an input port of the main coil, and a second sub-coil formed at an output port of the main coil. The electronic device also includes a controller configured to control to receive power using the conductive pattern.
Implantable medical device charging
Embodiments presented herein are generally directed to inductive charging techniques in an implantable medical device system comprising an inductive charger and an external component. The external component includes a rechargeable battery and an inductive coil that is configured to form an inductive charging link with a charging coil in the inductive charger to receive power signals from the inductive charger. A voltage increasing converter in the external component is configured to step-up a voltage of the power signals received from the inductive charger for use in recharging the rechargeable battery.
Energy utilization point tracker inverter
A sequential extraction control device for use in a 3-phase DC/AC converter. The 3-phase converter has three single-phase DC/AC converters, each controlled by a respective PWM extractor. Duty factor adjustments are made depending on a current portion of an AC power cycle. A sequential regulator causes the PWM extractors to have non-overlapping duty cycles such that extractions of each of the single-phase DC/AC converters is performed in sequence, rather than concurrently. This improves the efficiency in extracting power from the DC power.
Automatic transfer power supply with relay protection
In an automatic transfer power supply with relay protection, multiple electric power sources may be selectively coupled with a switched-mode power supply circuit using multiple corresponding sets of relays. The switched-mode power supply circuit may include one or more switches that operate under the control of a switch controller element to implement the functionality of the switched-mode power supply. To protect the relays during source transfer, a source transfer controller may signal the switch controller element to halt current flow through the switched-mode power supply circuit, and then signal the relays to change state while the current flow is halted, thereby protecting the relays during source transfer. Sparking may be reduced in relays that physically move metal armatures to make and break electrical connections, prolonging relay life and/or reducing relay failures and improving power supply availability.
Solar outdoor furniture
Solar outdoor furniture provided by this invention includes a furniture body, a control module and a solar power generation module. The furniture body has an object holding portion, and the object holding portion has a glass panel. The control module is disposed at the object holding portion. The solar power generation module is disposed at one side of the glass panel and electrically connected with the control module. The solar outdoor furniture provided in this invention is capable of self-supply of power and is green and environmentally-friendly. In addition, the solar outdoor furniture can supply power to peripheral device for users to entertain, thereby achieving the multi-function of outdoor furniture.
Charging control method and apparatus for wearable electronic device, and smart watch
This Application pertains to a charging control method including: setting a temperature range when a wearable electronic device is being charged according to a user demand; when the charging starts, turning on a wirelessly receiving coil of the wearable electronic device and using it to generate a charging current for charging the wearable electronic device; when it is monitored that a value of the charging current of the wearable electronic device rises to a preset constant-current charging current value, acquiring in real time a temperature value of the wearable electronic device; and judging whether the temperature value is within the temperature range; and if yes, maintaining the present value of the charging current of the wearable electronic device; and if not, changing the value of the charging current of the wearable electronic device, so that the temperature value of the wearable electronic device is within the temperature range.
Charging device and handheld electronic device both with adaptive current limiting protection
A charging device and a handheld electronic device both with adaptive current limiting protection are provided. Both of the charging device and the handheld electronic device have a connection interface and an adaptive current limiting protection circuit comprising an impedance unit, a switch, and a control unit. The control unit is electrically coupled to the switch, the impedance unit, and an electrical path connected to a power pin of the connection interface. The control unit stores a plurality of voltage values and a plurality of different corresponding current limit values. The control unit is configured to measure the voltage of the electrical path to obtain a measured voltage, and the control unit is further configured to measure the voltage across the impedance unit to calculate a current value. When the current value reaches the current limit value corresponding to the measured voltage, the control unit turns off the switch.
Systems and methods for reuse of battery pack-side current and voltage sensing
Systems and methods for reuse of battery pack-side current and voltage sensing are disclosed. By reusing elements within a battery pack, a battery field effect transistor (FET) within a power management integrated circuit (PMIC) may be eliminated or at least bypassed. In a first aspect, a current mirror is coupled to a charge protection circuit in the battery pack to capture a sensed current. Likewise, a voltage sensor captures a voltage level for a charging path. Current and voltage are output to the PMIC for use in regulating a buck charger. In a second aspect, current data and voltage data are collected and digitized before being sent to the PMIC for use in regulating the buck charger.
Reactive power compensator, discharging system, and operating method of the discharging system
A reactive power compensator includes a first converter connected between a first line and a second line, a second converter connected between the second line and a third line, and a third converter connected between the third line and the first line. The first to third lines may be connected to a bus. The first converter may include a first cluster including first to nth submodules which are serially connected to one another and each include a first capacitor and a first discharging connection unit connected to the first capacitor so that, when driving of the reactive power compensator stops, the first capacitors of the first to nth submodules are electrically connected to one another.
Electrical power system with multiple energy storage modules
An example electrical power system includes a DC bus including a positive rail configured to provide a positive DC voltage, a negative rail configured to provide a negative DC voltage, and a ground rail. A first ESM and a second ESM are connected to the DC bus. Each ESM includes an energy storage device. The first and second ESM are connected to and configured to provide an output voltage to a respective one of the positive and negative rail. A node connects the first and second ESMs to each other and to the ground rail. A controller is configured to determine values for the output voltages for use during at least one of a discharging mode and a charging mode bus based on a difference between a state of charge value of the first and second energy storage devices. A method of operating an electrical power system is also disclosed.
Voltage converter having a reverse polarity protection diode
A voltage transformer comprising a first input terminal and a second input terminal. An input voltage can be applied between the first input terminal and the second input terminal, a switch branch having a switch, wherein the switch is designed to close a circuit path between the first input terminal and the second input terminal, and a reverse polarity protection diode, which, in the switch branch, is connected in series with the switch.
Low capacitance surge suppression device
A surge suppression device includes a micro electromechanical system (MEMS) switch electrically connected to a current path. Additionally, the surge suppression device includes a transient voltage suppression (TVS) device electrically connected in series to the MEMS switch. The surge suppression device is configured to protect electronic components from voltage surges or current surges.
Detection and protection of power phase loss and neutral failure
A protection circuit provides a control voltage to a 3-phase contactor, where the three phases of the 3-phase power supply are inputs to the 3-phase contactor. The protection circuit includes: four input terminals, configured to be connected respectively to the three phases and to the neutral line of the 3-phase power supply; an output terminal, providing the control voltage to a control line of the 3-phase contactor; and control circuitry configured to provide the control voltage when any one or more of the three phases are live and when the neutral line is connected, and to provide no control voltage when all three phases are disconnected or when the neutral line is disconnected.
Computer-implemented method for configuring an electronic relay
A method for configuring an electronic relay for an electric power distribution grid. The method includes the following steps: providing a graphic user interface on a computer display, the graphic user interface including graphic resources activatable by a user; providing first graphic resources on the graphic user interface to assist a user in selecting a set of protection functionalities to be provided by the electronic relay; providing second graphic resources on the graphic user interface to assist a user in providing configuration values to configure operating parameters processed by the electronic relay to provide the selected set of protection functionalities, the operating parameters comprising first protection parameters related to voltage protection functionalities and second protection parameters related to frequency protection functionalities; checking whether the electronic relay meets minimum operating requirements to operate; and if the electronic relay meets minimum operating requirements, transmitting configuration information including the configuration values to the electronic relay.
Method for producing a multiplicity of surge arresters in an assembly, surge arrester and surge arrester assembly
A method is provided for manufacturing a plurality of arresters as a composite structure. A ceramic carrier having a plurality of holes and two electrode bodies are provided. The ceramic carrier and the two electrode bodies are assembled into a base under gas atmosphere. The ceramic carrier is located between the electrode bodies. The electrode bodies are soldered to the ceramic carrier. The base body is separated into a plurality of gas-filled arresters is carried out. In addition, a gas-filled arrester is provided which has a height of maximal 2 mm and electrode surfaces of maximal 1.2×1.2 mm2.
Lightning current transmission system for wind turbines
A lightning current transmission system in a wind turbine between a metal band located at the root of each blade and a metal ring located at the nacelle through a lightning current transmission element comprising a conductive portion, an insulating portion and a supporting unit to be joined to the rotor hub. The metal band and the metal ring are configured with protruding parts extended towards the lightning current transmission element. The conductive portion of the lightning current transmission element comprises first and second receptors mounted on a base plate at different heights and oriented in a direction pointing, respectively, to the protruding parts of the metal band and the metal ring.
Cable connector tool
A cable stripping tool is secured between a pair of planks in turn secured within a miter box. Each plank has a plurality of apertures which correspond to gauges of cable stripping sections disposed within the cable stripping tool.
Method and system for a unique material and geometry in a high temperature spark plug extender
Methods and systems for a unique material and geometry in a high temperature spark plug extender and may include a spark plug extender with a conductive core encased in a liquid crystal polymer where opposite ends of the conductive core are not encased in the liquid crystal polymer. A coil may be coupled directly to the spark plug extender. The spark plug extender and the coil may include threads at a first of the opposite ends of the conductive core for the direct coupling of the coil to the spark plug extender. The first of the opposite ends of the conductive core may include an O-ring that provides a seal with the coil. The spark plug extender may include an insulating wire that is coupled to a coil remote from the spark plug extender, the insulating wire extending from an end of the conductive core.
Method for fabricating a nanostructure
A method for fabricating a nanostructure comprises the steps of growing a first nanowire on a substrate, forming a dielectric layer on the substrate, the dielectric layer surrounding the first nanowire, wherein a thickness of the dielectric layer is smaller than a length of the first nanowire, and removing the first nanowire from the dielectric layer, thereby exposing an aperture in the dielectric layer.
A wavelength-variable laser outputting a predetermined wavelength of laser light includes: a quantum well active layer positioned between a p-type cladding layer and an n-type cladding layer in thickness direction; a separate confinement heterostructure layer positioned between the quantum well active layer and the n-type cladding layer; and an electric-field-distribution-control layer positioned between the separate confinement heterostructure layer and the n-type cladding layer and configured by at least two semiconductor layers having band gap energy greater than band gap energy of a barrier layer constituting the quantum well active layer.
III-V lasers with on-chip integration
Structures for integrated lasers, systems including integrated lasers, and associated fabrication methods. A ring waveguide and a seed region are arranged interior of the ring waveguide. A laser strip extends across a portion of the ring waveguide. The laser strip has an end contacting the seed region and another opposing end. The laser strip includes a laser medium and a p-n junction capable of generating electromagnetic radiation. The p-n junction of the laser strip is aligned with a portion of the ring waveguide.
Apparatus and method for providing optical radiation
Apparatus for providing optical radiation (1), which apparatus comprises a laser diode (2), a pulse generator (9), and a modulator (5), wherein: the pulse generator (9) is configured to emit picosecond pulses; the modulator (5) is configured to emit nanosecond pulses; the laser diode (2) has a first terminal (6) and a second terminal (7); the pulse generator (9) is connected to the first terminal (6); and the modulator (5) is configured to bias the laser diode (2) below a lasing threshold (8) of the laser diode (2), and the apparatus being characterized in that: the modulator (5) is connected to the second terminal (7); the pulse generator (9) comprises a semiconductor junction (32) connected to a differentiator (4); the semiconductor junction (32) is such that electric current flowing through the semiconductor junction (32) can be turned off more quickly than it can be turned on; and the differentiator (4) is such that a step change that occurs when the electric current flowing through the semiconductor junction (32) is turned off is converted to an electrical pulse, thereby gain switching the laser diode (2) such that it emits an optical pulse (10) having an optical pulse width (11) less than 10 ns.
Transparent conducting film or coating on a lens that serves as an interlock on a semiconductor laser module
Method and apparatuses are described herein for providing laser safety in semiconductor laser modules. For example, a semiconductor laser module may comprise a semiconductor laser and an optical element. The optical element that is operatively coupled with the semiconductor laser may disperse the laser light emitted from the semiconductor laser. The optical element may be coated with a transparent conductive material that serves as an interlock on the semiconductor laser. The transparent conductive material may be placed in the shape of a trace on the optical element where the trace is electrically in series with the semiconductor laser. On a condition that the trace is damaged, the laser light emitted from the semiconductor laser may be interrupted.
Laser module with a flattened structure on a mobile device for image measurement
A laser module with a flattened structure is installed on a mobile device for a camera program installed in the mobile device to operate photo-taking and image measurement. The laser module includes a printed circuit board (PCB), a photodiode embedded on the PCB, an automatic power control integrated circuit embedded on the PCB, and a laser diode chip electrically connected to the PCB. The flattened structure has a top surface of the PCB, a detection surface of a photodiode chip, a first surface of the automatic power control integrated circuit, a connecting surface of the laser diode chip sharing a common plane surface for operation.
Light module comprising a laser element
The invention relates to a light module including a semiconductor laser element emitting a laser beam in a first cone of light, a photoluminescent element, and an optical means for transforming the light coming from the photoluminescent element into an exit light beam. The optical means has a guiding portion arranged to guide at least a portion of the light emitted in the first cone of light into a second cone of light and a device for detection of incident light. The light module comprises a means of deviation designed to deviate the light of the second cone of light toward a third cone of light directed toward the detection device arranged outside of the second cone of light.
Laser system with mechanically-robust monolithic fused planar waveguide (PWG) structure
An apparatus includes a PWG having a core region and a cladding layer. The amplifier is configured to receive pump light. The core region is configured to amplify an input beam using energy from the pump light to generate an amplified output beam. The apparatus also includes a cooling fluid configured to cool the core region. The cooling fluid has a lower refractive index than the core region and the cladding layer in order to support guiding of the input beam and pump light within the amplifier. The amplifier also includes first and second endcaps attached to opposite faces of the core region and cladding layer. The core region, cladding layer, and endcaps collectively form a monolithic fused structure. Each endcap has a major outer surface that is larger in area than a combined area of the faces of the core region and cladding layer to which the endcap is attached.
Laser system for generating laser pulse of sub-nanosecond duration
A laser system for generating a series of laser pulses comprising a laser generator that supplies an injection pulse to an amplifier; said amplifier comprising: a gain medium enclosed between a first mirror and a second, output, mirror opposite to said first mirror; and an optical switch set in the proximity of said first mirror; said laser system being characterized in that said amplifier is an unstable laser resonator and said injection pulse is supplied to said laser resonator in synchronism with opening of said optical switch; said series of laser pulses comprises at least one pulse having a duration shorter than or equal to 2 ns and an energy higher than 100 mJ and at least three times higher than the energy of any other pulse of said series of pulses.
Device for generating linearly polarized ultra-short terahertz wave
Provided is a linearly polarized ultra-short terahertz wave generating device which has a parabolic barrel mirror installed at one side of a multiple thin film, to generate an ultra-short terahertz wave having single linear-polarized light and uniformly formed output distribution.
Terminal crimping device
A terminal crimping device includes a terminal feeding device, a crimping device and an electric-wire holding mechanism that holds an electric wire with an end portion of the electric wire placed above an electric-wire connecting portion of a crimp terminal. The electric-wire holding mechanism includes an upper surface of a terminal cutting body, on which the electric wire is placed, and an electric-wire presser that is moved downward toward the upper surface and presses and thereby holds the electric wire placed on the upper surface. Between the electric-wire placing portion and a lower surface of the electric-wire presser, an electric-wire holding space is formed that inclines in the same direction to a declining direction in which the end portion of the electric wire is declined in association with downward move of the second die toward the first die, and that holds the electric wire in a thus inclined state.
Charging connector having a sleeve with slots surrounding a contact piece with corresponding contact arms
A charging connector for electric vehicle having one-piece sleeve and contact piece connected to each other, comprising: a sleeve and a contact piece; wherein the contact piece is a one-piece structure and formed integrally with a plurality of contact arms, a connecting portion and a wiring portion, the connecting portion is cylindrical and the plurality of contact arms are extended forwardly from a periphery of one end of the connecting portion; wherein the sleeve is sleeved outside the contact arms and includes slots corresponding to each of the contact arms; the sleeve and the contact piece are connected by snaps; when used, conductive pins in an external receptacle are inserted along a port of the sleeve and inserted into the contact arms to form a conductive contact with the contact arms.
Industrial connector and connecting structure
The present invention discloses an industrial connector and a connecting structure. The industrial connector comprises a holder and a plug matingly connected to the holder, wherein the holder comprises: a hollow connecting cylinder; a connecting base fixed around an opening of the connecting cylinder; a buckle plate and an elastic component fixed within the connecting base, with buckles embedded into the connecting cylinder being provided on the buckle plate; and an elastic component which is connected to the buckles and used for driving the buckle plate to translate along the plane of the opening. The industrial connector provided by the present invention is easy to mount and reliable in connection.
Recepticle assembly with thermal management
A method and apparatus are disclosed herein for managing thermal dissipation in a receptacle assembly. In one embodiment, the receptacle assembly comprises a cage with a front face, a rear face, the front face having a plurality of ports; and a heat transfer unit having a thermal interface disposed with the cage, one or more heat transfer bars coupled, via openings in the cage, to sides of the thermal interface and are external to the cage, and a heat sink coupled to the one or more heat transfer bars, where the heat transfer unit is movable in a vertical direction in response to insertion of a module into one of the plurality of ports.
It is aimed to reliably hold a terminal fitting in a dielectric while realizing miniaturization. A connector includes terminal fittings (20) connected to cores (16) of a shielded cable (15), a dielectric (23) made of synthetic resin and capable of accommodating the terminal fittings (20) in a positioned state, and an upper case (24) and a lower case (34) constituting a dielectric (23) by being united to sandwich the terminal fittings (20). The upper case (24) and the lower case (34) are united and divided in a direction intersecting an arrangement direction of the terminal fittings (20) and the cores (16) connected to the terminal fittings (20).
A contact includes a base portion fixable to a first member, a contact portion configured to make contact with a second member, and a spring portion configured to displaceably support the contact portion. The base portion, the contact portion, and the spring portion are integrally formed with a thin plate made of metal. The contact portion includes a flat plate portion extending in a flat plate shape from one end of a bent portion, and a protrusion protruding toward the second member is provided on the flat plate portion. The protrusion is provided at a location separated from a boundary between the contact portion and the spring portion by greater than or equal to 0.9 mm toward the contact portion.
Multi-portion connector for use with differently-sized cards
An apparatus and method are provided for use with a first card of a first size [e.g. subscriber identify module (SIM) card, etc.] and a second card of a second size (e.g. memory card, etc.). Included is a connector with a first portion and a second portion which is configured for being manipulated to have a first orientation and a second orientation. The first orientation is such that the first portion of the connector is positioned for removably receiving the first card, or the second portion of the connector is positioned for removably receiving the second card. Further, the second orientation is such that the first card is stacked with the second card for being removably inserted in a device. This permits electrical communication between the device and the first card when the first card is removably received in the first portion of the connector, and further permits electrical communication between the device and the second card when the second card is removably received in the second portion of the connector.
Antenna module and portable device having same
The present invention suggests an antenna module in which a radiation pattern is alternately formed on an upper surface and a lower surface of a shielding sheet to be wound on the shielding sheet in a vertical direction, and a portable device having the same. In the suggested antenna module, the radiation pattern is alternately formed on the upper surface and the lower surface of the shielding sheet in the vertical direction of the shielding sheet, and the portable device comprises the antenna module having a radiation pattern formed along a short side direction of a back cover formed of a metal material, and mounted to be biased from the center of the back cover to the short side direction.
Wireless communication module
First and second end-fire antennas are arranged on a dielectric substrate. The first end-fire antenna has polarization characteristics being parallel with a first direction. The second end-fire antenna has polarization characteristics being parallel with a second direction orthogonal to the first direction. A patch antenna provided with a first feed point and a second feed point, which are different from each other, is arranged on the dielectric substrate. When the patch antenna is fed from the first feed point, a radio wave whose polarization direction is parallel with the first direction is excited. When the patch antenna is fed from the second feed point, a radio wave whose polarization direction is orthogonal to the first direction is excited. A wireless communication module capable of achieving directivity in a wide range from a direction parallel with the substrate to the direction of the normal to the substrate is provided.
Orbital angular momentum in millimeter-wave wireless communication
An array of antenna elements is energized as a plurality of concentric rings of the antenna elements, each of the concentric rings energized with a respective signal from a first transceiver, the signal having a continuously varying progressive phase between the antenna elements to generate n respective electromagnetic orbital angular momentum (OAM) beams each having a respective OAM mode m where m ranges from 0 to ±n. The beams are contemporaneously generated orthogonal to each other. The circumferential phase profile of the signal for a concentric ring of α antenna elements is 2πm radians, and the progressive phase difference between each of the α antenna elements is 2πm/α radians. The first transceiver transmits the beams to a second transceiver which demodulates them and sends demodulation quality information to the first transceiver for determination of whether to transmit the beams in full multiplexing, full diversity or partial diversity.
Dynamic beam steering for unmanned aerial vehicles
Various embodiments include methods for dynamic antenna steering on an unmanned aerial vehicle (UAV). The methods may include orienting an antenna on the UAV towards a serving ground station based on the UAV's position, orienting the antenna towards a neighboring ground station when it is time to conduct signal measurements of the neighboring ground station, conducting the signal measurements while orienting the antenna towards the neighboring ground station, and reorienting the antenna towards the serving ground station. Methods further include orienting a ground station antenna towards a UAV by obtaining a position of the UAV, calculating a vector between the position of the UAVs and the ground station, determining a direction to steer a beam based on the calculated vector, and steering the beam to the determined direction for the UAV.
Antenna assembly for a vehicle
An antenna assembly comprising a base, a modem, a top lid and a housing is disclosed herein. The antenna assembly is for a vehicle. The base is composed of an aluminum material. The modem is disposed within the base. The top lid is for the base, and the top lid comprises at least one antenna element disposed on an exterior surface thereof. The housing covers the top lid and base. The top lid and base act as an electro-magnetic barrier for the modem.
System for fastening a telematic module to the roof of a motor vehicle
Described herein is a system for fastening a telematic module to the structure of a motor vehicle, in particular to the roof of the motor vehicle, comprising: a telematic module having a closed outer casing and containing at least one first connector for receiving signals and at least one electronic component for processing said signals; and a block for supporting said module, which is to be fixed to said structure of the motor vehicle and is equipped with a second connector designed for connection to said first connector. The system provides for mutual connection of the telematic module to the supporting block that implements an easy and fast mode of connection.
Antenna system with antenna swapping and antenna tuning
Electronic devices may be provided that contain wireless communications circuitry. The wireless communications circuitry may include radio-frequency transceiver circuitry and first and second antennas. An electronic device may include a housing. The first antenna may be located at an upper end of the housing and the second antenna may be located at a lower end of the housing. A peripheral conductive member may run around the edges of the housing and may be used in forming the first and second antennas. The radio-frequency transceiver circuitry may have a transmit-receive port and a receive port. Switching circuitry may connect the first antenna to the transmit-receive port and the second antenna to the receiver port or may connect the first antenna to the receive port and the second antenna to the transmit-receive port.
Fan-out semiconductor package
A fan-out semiconductor package includes: a core member including a plurality of insulating layers and a plurality of wiring layers and having a blind cavity penetrating through a portion of the plurality of insulating layers; a semiconductor chip disposed in the blind cavity; an encapsulant encapsulating at least portions of the core member and an active surface of the semiconductor chip and filling at least portions of the blind cavity; and a connection member disposed on the core member and an active surface of the semiconductor chip and including a redistribution layer connected to the connection pads. The plurality of wiring layers include antenna patterns and ground patterns, the antenna patterns and the ground patterns are disposed on different levels, and the antenna patterns are connected to the connection pads through the redistribution layer.
RF coupler including vertically stacked coupling sections having conductive layers disposed between the coupling sections and the coupler including a surrounding electric shield
An RF coupler having: a pair of input ports; a pair of output ports; and a coupling region for coupling: a portion of an input signal at a first one of the input ports to first of the pair of output ports and another portion of the input signal fed to the first one of the input ports a second one of the output ports; and one portion of an input signal fed to a second one of the input ports to the second of the pair of output ports and another portion of the input signals fed to the second one of the input ports to the second one of the output ports. The coupling region comprises a plurality of serially connected, vertically stacked, coupling sections. Each one of a plurality of electrically conductive layers is disposed between a pair of the vertically stacked coupling sections.
Systems and methods for manufacturing stacked circuits and transmission lines
Devices and methods for manufacturing RF circuits and systems in both passive and active forms are contemplated herein. Exemplary devices include 3D electrical and mechanical structures which are created from individual slices which may be assembled to create a final functional block such as a circuit, component or a system. The slices may fabricated by a variety of manufacturing techniques, such as micromachined layer-by-layer metal batch processing.
Switching of frequency multiplexed microwave signals using cascading multi-path interferometric Josephson switches with nonoverlapping bandwidths
A cascading microwave switch (cascade) includes a set of Josephson devices, each Josephson device in the set having a corresponding operating bandwidth of microwave frequencies, wherein different operating bandwidths have different corresponding center frequencies. A series coupling is formed between first Josephson device from the set and an nth Josephson device from the set, wherein the series coupling causes the first Josephson device in an open state to reflect back to an input port of the first Josephson device a signal of a first frequency from a frequency multiplexed microwave signal (multiplexed signal) and the nth Josephson device in the open state to reflect back to an input port of the nth Josephson device a signal of an nth frequency from the multiplexed signal.
Process for recovering an electrolyte salt
The present invention relates to a process for recovering a metal salt of an electrolyte dissolved in a matrix, said process consisting in subjecting the electrolyte to a liquid extraction with water.
Battery pack cooling system
A battery pack cooling system includes a plurality of cells disposed in an internal space of a battery pack case so as to form a cooling passage configured to cool the cell modules by cooling air flowing in the cooling passage. The cooling passage includes a cooling air inlet passage, a cooling air exhaust passage, and a plurality of cooling branch passages disposed to connect the cooling air inlet passage and the cooling air exhaust passage in parallel. A minimum temperature sensor is disposed in the upstream position to measure a lowest temperature region in a first cell module. A maximum temperature sensor is disposed in the downstream position which becomes a highest temperature region in the first cell module. Another temperature sensor is disposed in a second cell module to measure the temperature of either the highest temperature or the lowest temperature in the second cell module.
Battery powered surgical instrument with dual power utilization circuits for dual modes
A battery pack of a surgical instrument includes a battery, a high range monitoring circuit, and a low range monitoring circuit. The high range monitoring circuit is configured to be activated when an electrical current discharged from the battery exceeds a threshold; and to assess the electrical current discharged from the battery at a first rate. The low range monitoring circuit is configured to be activated when the electrical current discharged from the battery is below the threshold; and to assess the electrical current discharged from the battery at a second rate. The battery is configured to conserve power when the low range monitoring circuit is activated. The low range monitoring circuit is configured to increase the second acquisition rate when the low range monitoring circuit remains activated for a predetermined duration. The first rate is greater than the second rate.
System and method for self-isolating abnormal battery
A system and method for self-isolating an abnormal battery. The system includes: a switch controlling module, a battery detecting module, a data analyzing module and at least two switch battery modules, the switch battery modules includes at least one isolating switch, at least one main circuit switch and a battery, the main circuit switch is connected with the battery in series, a series circuit composed of the main circuit switch and the battery is connected in parallel to the isolating switch so as to form a switch battery module, the switch battery modules are connected with each other in series; the battery detecting module is connected with the battery and the data analyzing module; the switch controlling module is connected with the main circuit switch, the isolating switch and the data analyzing module. The problem that failure of a single battery may cause the whole system cannot work, is solved.
Low temperature liquid metal batteries for energy storage applications
The present invention relates to a molten metal battery of liquid bismuth and liquid tin electrodes and a eutectic electrolyte. The electrodes may be coaxial and coplanar. The eutectic electrolyte may be in contact with a surface of each electrode. The eutectic electrolyte may comprise ZnCl2:KCl.
Encoding method and device using rate-compatible, low-density parity-check code in communication system
A 5th generation (5G) or pre-5G communication system for supporting a data transmission rate higher than that of a 4th generation (4G) communication system such as long term evolution (LTE) is disclosed. The present disclosure relates to a rate compatible low-density parity-check (RC-LDPC) encoding method and device therefor. The encoding method includes using LDPC in a communication system, including the operations of LDPC encoding information bits by a first encoding rate, and performing a concatenated single parity check (SPC) encoding for the encoded bits by at least one second encoding rate lower than the first encoding rate.
Multilayer cable-type secondary battery
Disclosed is a multilayer cable-type secondary battery including a first electrode assembly comprising one or more first inner electrodes and a sheet-type first separation layer-outer electrode complex spirally wound to surround outer surfaces of the first inner electrodes, a separation layer surrounding the first electrode assembly to prevent short circuit of the electrodes, and a second electrode assembly comprising one or more second inner electrodes surrounding an outer surface of the separation layer and a sheet-type second separation layer-outer electrode complex spirally wound to surround outer surfaces of the second inner electrodes.
Compounds with mixed anions as solid Li-ion conductors
A solid-state lithium ion electrolyte is provided which contains a composite material having at least 94 mole % lithium ions as cation component and multiple anions in an anionic framework capable of conducting lithium ions. An activation energy for lithium ion migration in the solid state lithium ion electrolyte is 0.5 eV or less. Composites of specific formulae are provided. A lithium battery containing the composite lithium ion electrolyte is also provided.
Fuel cell and fuel cell system
A fuel cell includes a stacked body formed by stacking a plurality of unit cells, an end plate arranged on at least one end of the stacked body in a stacking direction, a fuel cell case including an opening portion and incorporating the stacked body, wherein the opening portion has a substantially polygonal outer circumference shape with a plurality of corners, and a plurality of types of fasteners with different load resistances that fix the end plate, closing the opening portion of the fuel cell case, to the fuel cell case. A fastener, of the plurality of types of fasteners, of a type with a highest load resistance is arranged at at least one of the plurality of corners of the opening portion.
Alkaline hybrid redox flow battery with high energy density
A novel high cycle life, low cost hybrid redox flow battery that has application in the storage of energy generated by solar cells, windmills and other means is described. By combining a solid battery positive electrode with a redox flow negative electrode, the volumetric energy density of the system is maximized and footprint minimized for medium scaled installations of multi kilowatt-hour size as may be envisioned in domestic distributed power systems. The positive electrode is a high cycle life rechargeable nickel hydroxide electrode in alkaline solution. The negative active material is a low cost organic chemical such as a substituted anthroquinone dissolved in an alkaline electrolyte and stored external to the negative plate of the electrochemical device. The material of the negative plate is high surface area and capable of facilitating the oxidation and reduction reactions of the negative active material. The negative and positive electrodes are separated by an electronically insulating but ionically conducting separator material that allows ionic mobility and the generation of electric current when charging or discharging of the battery takes place. Ideally, an ion exchange membrane would separate the positive and negative active material in order to maximize service life and reduce intermingling of active material.
Gas diffusion layer for fuel cell applications
A gas diffusion layer (GDL) for fuel cell applications that can prevented channels of a bipolar plate from being intruded. The gas diffusion layer is manufactured by cutting a GDL material at a certain angle such that a machine direction of the inherent high stiffness of the GDL material is not in parallel with a major flow field direction of a bipolar plate to prevent the GDL intrusion into the channels of the bipolar plate without modifying an existing method for manufacturing the gas diffusion layer. With the gas diffusion layer, the electrochemical performance of the fuel cell can be improved and manufacturing process can be improved even in the case where the width of the rolled GDL material is small.
Fuel cell unit and vehicle having fuel cell unit
A fuel cell unit includes a fuel cell and a converter. A fuel cell has single cells laminated in a given direction. A converter has a plurality of combinations of a reactor electrically connected with the fuel cell and a power module electrically connected with the reactor. At least either a direction in which first reactors among the reactors are arrayed or a direction in which first power modules among the power modules are arrayed is parallel with a laminating direction of the single cells.
Method of controlling operation of fuel cell system
A method of controlling the operation of a fuel cell system is provided. The method includes diagnosing a water shortage state in a fuel cell stack based on degradation of cooling performance and deterioration of the fuel cell stack and determining a diagnosis level of the fuel cell system based on the diagnosed water shortage state of the fuel cell stack. In addition, a regenerative operation is performed by selecting a regenerative operation mode which corresponds to the determined diagnosis level.
Gasket for fuel battery
The invention provides gasket for a fuel battery provided in a fuel battery cell in which an intermediate part including an MEA is interposed between a pair of separators, and structured such that each of a gasket main body retained to one separator of the pair of separators and a gasket main body retained to the other separator comes into contact with the intermediate part at positions where they overlap planarly, wherein bank portions for fixed size stop according to a gasket thickness are integrally formed in both sides or one side in a width direction of both the gasket main bodies. The bank portions for fixed size stop are preferably supported by convex portions which are provided in the separators. Therefore, it is possible to inhibit gasket main bodies from being compressed beyond supposition in the case that contact portions of the gasket main bodies are compressed.
Corrosion resistant barrier layer for a solid oxide fuel cell stack and method of making thereof
A method of forming diffusion barrier layer includes providing an interconnect for a fuel cell stack, forming a glass barrier precursor layer over a Mn and/or Co containing electrically conductive contact layer on the interconnect, and heating the barrier precursor layer to precipitate crystals in the barrier precursor layer to convert the barrier precursor layer to a glass ceramic barrier layer.
Method for manufacturing catalyst support, catalyst support manufactured thereby, and catalyst for fuel cell including the same
A method for manufacturing a catalyst support includes: heat-treating a crystalline carbon support in a temperature range from 700° C. to 1100° C. under a vapor atmosphere to increase a specific surface area of the carbon support; and applying a magnetic field to the increased specific surface area of the carbon support to remove an impurity.
Electrolyte membrane, fuel cell including same, battery module including fuel cell, and method for manufacturing electrolyte membrane
The present specification relates to an electrolyte membrane, a fuel cell including the same, a battery module including the fuel cell, and a method for manufacturing the electrolyte membrane.
Electrode for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery, battery pack, and vehicle
A negative electrode active material of an embodiment for a nonaqueous electrolyte battery includes silicon or silicon oxide including silicon inside, a carbonaceous substance containing the silicon or the silicon oxide including silicon inside, and a phase including a silicate compound and a conductive assistant, the phase being interposed between the silicon or the silicon oxide including silicon inside and the carbonaceous substance. The silicate compound is a complexed oxide including an oxide including at least one element selected from the group consisting of; an alkaline earth element, a transition metal element, and a rare-earth element and a silicon oxide.
Fluorinated coal derived carbons and electrodes for use in battery systems and similar
An electrode including fluorinated and surface defluorinated coal is described, as well as methods of producing such and employing such within an electrical system. The coal in the electrodes is fluorinated at an amount of between 0.3 and 1.4. The resulting coal products can be further surface defluorinated and maintain functionality within an electrical system.
Lead-based alloy and related processes and products
A lead-based alloy containing alloying additions of bismuth, antimony, arsenic, and tin is used for the production of doped leady oxides, lead-acid battery active materials, lead-acid battery electrodes, and lead-acid batteries.
Conductive coatings for active electrochemical materials
A method for producing a coated powder including homogeneously mixing an electrochemically active material including electrochemically active particles with nanosize particles in a ratio determined by the surface area of the electrochemically active particles to form a homogeneous powder, adding a polymer and mixing to form a homogeneous solid mixture, adding a solvent to dissolve the polymer and form a viscous slurry, mixing the viscous slurry, and drying the viscous slurry to cause the nanosize particles to become localized adjacent to an outer surface of the electrochemically active particles with the polymer maintaining the proximity between the nanosize conductive particles and the outer surface of the electrochemically active particles.
Electrode for electrochemical device, method for preparing the same, and electrochemical device comprising the same
The present invention relates to a metal electrode, a method for preparing the same, and an electrochemical device comprising the same, and particularly, the present invention provides a metal electrode comprising a lithium or sodium metal electrode of which coating thickness can be controlled to a nano size, on which electrochemical active material, phosphorene in the form of two-dimensional monolayer thin film, or a multilayer thin film in which two or more layers of phosphorene are stacked is coated, a method for preparing the same, and an electrochemical device comprising the same.
Protective coatings for conversion material cathodes
Battery systems using coated conversion materials as the active material in battery cathodes are provided herein. Protective coatings may be an oxide, phosphate, or fluoride, and may be lithiated. The coating may selectively isolate the conversion material from the electrolyte. Methods for fabricating batteries and battery systems with coated conversion material are also provided herein.
Battery contact with a surface texture
Battery contact with surface texturing. Exemplary battery contacts are located within a battery pack. The battery pack is operable to provide power to a device through a device contact of the device. The battery pack includes a battery pack housing, at least one battery cell located within the battery pack housing, and battery contacts including a positive terminal and a negative terminal. The battery contacts are configured to engage the device contact of the device and allow electric current to transfer from the battery pack to the device. The battery contacts define a surface having a surface texture. The surface texture includes raised portions for contacting the device contact to allow electric current to transfer from the battery pack to the device. The surface texture also includes recessed regions spaced away from the surface and for providing a space between the battery contacts and the device contact.
Nonaqueous electrolyte secondary battery
A nonaqueous electrolyte secondary battery including a positive electrode collector electrically connected to a positive electrode plate, a negative electrode collector electrically connected to a negative electrode plate. At least one of the collectors includes a first-side base portion disposed near the sealing plate, and a first-side lead portion connected to one end portion of the first-side base portion and extending towards an electrode body. The first-side lead portion includes a first-side power generating element joining portion joined to a lateral side of the electrode body, and a first-side inclined portion inclined with respect to a thickness direction of the electrode body from the first-side power generating element joining portion towards an outer side in the thickness direction. A total weight of the electrode body and nonaqueous electrolyte contained in the electrode body ranges from 200 g or more to 500 g or less.
Non-aqueous electrolyte secondary battery
A non-aqueous electrolyte secondary battery has a positive electrode having a positive electrode active material layer, a negative electrode having a negative electrode active material layer, and an electrolyte layer having an electrolyte solution containing a non-aqueous solvent. At least one of the positive electrode active material layer and the negative electrode active material layer contains an electrode material for a non-aqueous electrolyte secondary battery having a core part including an electrode active material and a shell part including a conductive material in a base material formed by a gel-forming polymer having a liquid absorption rate with respect to the electrolyte solution of 10 to 200%.
Electrode feedthru having pin attached to wire therein and method of manufacturing
Disclosed herein is an electrode feedthru assembly for an electronic device and method of manufacturing. The feedthru assembly includes a ferrule, an electrode assembly, and an elastomer. The ferrule includes a bore through which the electrode assembly is positioned. The electrode assembly includes an electrode wire attached to a crimp pin. The crimp pin includes a crimp terminal portion and a pin terminal portion, the crimp terminal portion being crimped to a portion of the electrode wire to form a connected portion of the electrode assembly. The elastomer is disposed in the bore of the ferrule between the ferrule and the electrode assembly. The elastomer electrically isolates the ferrule from the electrode assembly and encapsulates at least the connected portion of the electrode assembly.
A film-covered battery houses, in a film covering material 4 obtained by stacking a heat sealing layer 13, a barrier layer 12, and a protective layer 11, a battery element 6 obtained by arranging positive and negative electrodes through separators and has a sealing portion that seals a periphery of the film covering material 4 housing the battery element 6. The sealing portion 18 includes an agglomeration/sealing portion 19 and a first interface bonding portion 15 provided so as to be adjacent to the battery element housing portion side of the agglomeration/sealing portion.
Anti-reflection film and flexible display device including anti-reflection film
The present disclosure provides an anti-reflection film and a flexible display device. The anti-reflection film includes: a linear polarization film stretched in a first stretching direction; and a phase delay film stretched in a second stretching direction. When a light beam passes through the linear polarization film, the light beam is converted into a linear polarized light, and when the light beam passes through the phase delay film, the phase delay film changes a phase of the light beam. A first acute angle α is formed between the first stretching direction and the second stretching direction. The anti-reflection film has a folding axis, and a vertical line of the folding axis is located within the first acute angle α.
Display panel and manufacturing method therefor, and display device
A display panel and manufacturing method thereof, and a display device are provided. The method includes: forming an encapsulation structure layer on a display motherboard to obtain a panel motherboard, the encapsulation structure layer comprising at least one encapsulation film layer, and the at least one encapsulation film layer overlying a surface of the display motherboard; forming a cutting groove on the encapsulation structure layer along a cutting line of the panel motherboard; filling the cutting groove with an isolation material, the isolation material having greater flexibility than the encapsulation film layer in contact with the isolation material; and cutting the panel motherboard from the isolation material along the cutting line to obtain the display panel. The display panel helps improve the encapsulation effect of the encapsulation structure.
Encapsulation structure for flexible display and manufacturing method thereof
The present invention provides an encapsulation structure for a flexible display having an OLED lighting device on a flexible substrate. The encapsulation structure is disposed on the OLED lighting device, and includes a stack of layers for preventing moist from permeating into the OLED lighting device. The stack of layers includes at least one first organic layer and a plurality of inorganic layers wrapping the at least one first organic layer. Two inorganic layers of the stack of layers have interfacing faces that contact each other and separate the at least one first organic layer into a plurality of independent geometric regions. Through the present invention, moist undergoes an extended path to infiltrate, and is prevented from permeating into and eroding the OLED lighting device through pinholes of the inorganic layers, thereby prolonging the operation life of the OLED lighting device.
Polymer hard coat and methods of preparation
A dispersion comprised of at least 49 wt % of additive particles, a polymerizable monomer, a dispersant and a solvent. Upon polymerization the dispersion forms a hard coat with a haze of at most 0.5% and a transmission of at least 90%. A hard coat comprises at least 49 wt % of additive particles dispersed in a polymer. A method of making a hard coat comprises forming a dispersion, applying the dispersion to one side of a substrate, and polymerizing the dispersion. The hard coat has a haze of at most 0.5% and a transmission of at least 90%.
Transparent display devices and methods of manufacturing transparent display devices
A transparent organic light emitting display device may include a transparent base substrate, a semiconductor device disposed on the transparent base substrate, a display structure electrically connected to the semiconductor device, and a protection layer including a blue dye disposed on the display structure. The protection layer may improve the transparency of the transparent base substrate by calibrating discoloration of the transparent base substrate. Thus, the transparent display device including the protection layer may ensure an enhanced transparency. Further, the transparent display device may have an enhanced mechanical strength and an increased heat resistance because of the transparent base substrate.
Display substrate, method for fabricating the same, and display apparatus
A display substrate, a method for fabricating the same, and a display apparatus are disclosed. The display substrate is provided with functional films, at least one of the functional films includes a protrusion array on a side away from the display substrate. When the display substrate is assembled with another display substrate, protrusion portions of the protrusion array are embedded into a frame sealant between the display substrate and the another display substrate.
A display module includes a window member including a display area and a bezel area, a display panel including a display part corresponding to the display area, and an edge part corresponding to the bezel area and bent from the display part to extend away from the window member, and a protective frame accommodating the display panel and coupled to the window member.
Compound, light-emitting material, and organic light-emitting device
A compound having a structure represented by the following general formula emits delayed fluorescent light, and is useful as a light-emitting material. One or more of R1, R2, R3, R4, and R5 represent a 9-carbazolyl group having a substituent at at least one of 1-position and 8-position, or a 10-phenoxazyl group or 10-phenothiazyl group having a substituent at at least one of 1-position and 9-position. The balance thereof represents a hydrogen atom or a substituent.
A light-emitting apparatus including a light-emitting device, a light-guiding structure and a light output structure is provided. The light-emitting device includes a light-emitting layer. The light-guiding structure is configured to guide light emitted from the light-emitting layer. The light-guiding structure is disposed beside the light-emitting device and a refractive index of the light-guiding structure is greater than or equal to an average refractive index of the light-emitting device. The light output structure is configured to receive the light guided by the light-guiding structure to output the light out of the light-emitting apparatus.
Light emitting diode and light emitting diode display including the same
A light emitting diode and a light emitting diode display, the light emitting diode including a first electrode; a second electrode overlapping the first electrode; an emission layer between the first electrode and the second electrode; and an electron injection layer between the second electrode and the emission layer, wherein the electron injection layer includes a lanthanide element, an alkali meta first element, and a halogen second element, and wherein the first element and the second element are included in the electron injection layer in an amount of 1 vol % to 20 vol %, based on a total volume of a material including the lanthanide element, the first element, and the second element.
Emissive devices for displays
Embodiments related to emissive devices for displays are discussed. Some embodiments include light emitting diodes including an electron transport layer core having a tube shape with an inner and an outer sidewall, an emission layer on the inner and outer sidewalls, and a hole transport layer on the emission layer, displays and systems including such light emitting diodes, and methods for fabricating them. Other embodiments include emissive laser devices having an emission layer between a hole transport layer and an electron transport layer and first and second metasurface mirrors adjacent to the hole transport layer and the electron transport layer, respectively, displays and systems including such emissive laser devices, and methods for fabricating them.
Color-stable organic light emitting diode stack
The present invention relates to OLED devices and stacks for OLED devices that include a symmetric emissive-layer architecture. In one embodiment, the present invention relates to an emissive stack having three layers, wherein the top and bottom layers emit light in the same or similar color region while the middle layer emits light in a different color region than the other two layers. In such an embodiment, the three layers are in contact with each other with no other layers in between. The symmetric emissive-layer architecture of the present invention can be used to improve the color stability of OLED devices.
OLED display panel and a display device comprising the same
The present disclosure relates to an OLED display panel. With the OLED display panel, a higher luminous efficiency is achieved by selecting a thermally activated delayed fluorescent material for doping into an organic light emitting layer and applying a compound having a specific energy level to match, thereby the luminous efficiency of an organic photo electronic device is improved.
Organic compound, and mixture, formulation and organic device comprising the same
An organic compound having the following structural formula is provided: wherein Ar1 to Ar5 are aromatic or heteroaromatic structural units, X, Y, and Z are bridging groups connecting two or three aromatic rings, and n is an integer between 1 and 4. The organic compound has an increased resonance factor and a reduced Δ(S1-T1), thus facilitating acquisition of thermally-excited delayed fluorescence properties provided with increased light emission efficiency, and implementing high efficiency and extended service life of an OLED component. In addition, a synthesis process for the organic compound is simple and inexpensive. A mixture, a formulation and an organic eletronic device containing the organic compound are also provided.
Compound, organic electroluminescence device material, organic electroluminescence device and electronic device
A compound is represented by a formula (1) below. In the formula (1), X1 to X8 each independently represent a carbon atom to be bonded to a group represented by the following formula (20), CRX or a nitrogen atom. At least one of X1 to X8 is a carbon atom to be bonded to the group represented by the following formula (2). RX is each independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, or the like.
Organic light emitting host materials
Disclosed herein are compounds represented by formula: where HT, ET, Ar1, Ar2, and R1-R6 are described herein. Compositions of said compounds along with organic light-emitting diode (OLED) devices related thereto are also disclosed.
Magnetoresistive memory device
A magnetoresistive memory device includes a first magnetic layer having a variable magnetization direction, a second magnetic layer, a magnetization direction of the second magnetic layer being invariable, a first nonmagnetic layer provided between the first magnetic layer and the second magnetic layer, and a second nonmagnetic layer provided on the first magnetic layer, which is opposite the first nonmagnetic layer. The first magnetic layer has a stacked layer structure in which an amorphous magnetic material layer is sandwiched between crystalline magnetic material layers. The magnetoresistive memory device further includes nonmagnetic material layers provided between one of the crystalline magnetic material layers and the amorphous magnetic material layer, and between the other crystalline magnetic layer and the amorphous magnetic material layer, respectively.
Semiconductor devices with magnetic regions and stressor structures
A magnetic cell core includes at least one stressor structure proximate to a magnetic region (e.g., a free region or a fixed region). The magnetic region may be formed of a magnetic material exhibiting magnetostriction. During switching, the stressor structure may be subjected to a programming current passing through the magnetic cell core. In response to the current, the stressor structure may alter in size. Due to the size change, the stressor structure may exert a stress upon the magnetic region and, thereby, alter its magnetic anisotropy. In some embodiments, the MA strength of the magnetic region may be lowered during switching so that a lower programming current may be used to switch the magnetic orientation of the free region. In some embodiments, multiple stressor structures may be included in the magnetic cell core. Methods of fabrication and operation and related device structures and systems are also disclosed.
Magnetoelastically actuated MEMS device and methods for its manufacture
A magnetoelastically actuated device includes a microscale cantilever arm supported at a standoff distance from a substrate. The cantilever arm is formed as a laminar magnetic actuator configured to bend when it is subjected to a magnetic field. The cantilever arm includes a film of magnetostrictive material. Also provided is a method for fabricating the magnetoelastically actuated device. The method includes defining an actuator mold in a layer of photoresist on a structural layer of the cantilever arm and electrodepositing a layer of a magnetostrictive alloy containing cobalt and iron onto the structural layer within the actuator mold.
Process for realizing a system for recovering heat, in particular based on the seebeck's effect, and corresponding system
An embodiment of a process for realizing a system for recovering heat is described, the process comprising the steps of: formation on a substrate of a plurality of L-shaped down metal structures; deposition of a dielectric layer on the substrate and the plurality of L-shaped down metal structures by using a screen printing approach; definition and opening in the dielectric layer of upper contacts and lower contacts of the L-shaped down metal structures; formation of a plurality of L-shaped up metal structures being connected to the plurality of L-shaped down metal structure in correspondence of the upper and lower contacts so as to form a plurality of serially connected thermocouples, each comprising at least one L-shaped down metal structure and at least one L-shaped up metal structure, being made of different metal materials and interconnected at a junction, the serially connected thermocouples thus realizing the system for recovering heat.
Disclosed are apparatus and methodology for constructing thermoelectric devices (TEDs). N-type elements are paired with P-type elements in an array of pairs between substrates. The paired elements are electrically connected in series by various techniques including brazing for hot side and/or also cold side connections, and soldering for cold side connections while being thermally connected in parallel. In selected embodiments, electrical and mechanical connections of the elements may be made solely by mechanical pressure.
Package support, fabrication method and LED package
A light-emitting diode (LED) package includes a substrate with upper and lower surfaces, including: a metal block; an electrically insulating region surrounding at least a portion of the metal block; an LED chip mounted on the substrate and in electrical communication with the metal block; and an encapsulant covering at least an upper surface of the LED chip. A light-emitting system includes a plurality of light-emitting diode (LED) chips; and a package support for the plurality of LED chips.
Optoelectronic component having a lead frame with a stiffening structure
An optoelectronic component includes at least one optoelectronic semiconductor chip, wherein the semiconductor chip is arranged on a leadframe section, the leadframe section includes a stiffening structure projecting away laterally from the leadframe section, and the leadframe section, the stiffening structure and the semiconductor chip are embedded in an electrically insulating housing.
Light emitting diode package and manufacturing method thereof
A light-emitting diode package includes a light-emitting diode chip disposed in a housing, a first phosphor configured to emit green light, and a second and a third phosphor configured to emit red light. White light is configured to be formed by a synthesis of light emitted from the light-emitting diode chip, the first phosphor, the second phosphor, and the third phosphor. At least one of the second and third phosphor is a nitride based phosphor that includes at least one of MSiN2, MSiON2, and M2Si5N8, where M is one of Ca, Sr, Ba, Zn, Mg, and Eu.
Light-emitting device and lighting system comprising same
Embodiments relate to a light emitting device, a light emitting device package, and a lighting system comprising the same. The light emitting device according to embodiments may comprise: a first conductivity-type semiconductor layer; an active layer on the first conductivity-type semiconductor layer; an electron blocking layer on the active layer; and a second conductivity-type semiconductor layer on the electron blocking layer. The electron blocking layer may comprise an InxAlyGa1-x-yN based superlattice layer (wherein 0≤x≤1, 0≤y≤1).
Component for detecting UV radiation and method for producing a component
A component for detecting UV radiation and a method for producing a component are disclosed. In an embodiment a component includes a semiconductor body including a first semiconductor layer, a second semiconductor layer and an intermediate active layer located therebetween, wherein the semiconductor body is based on AlmGa1-n-mInnN with 0≤n≤1, 0≤m≤1 and n+m<1, wherein the first semiconductor layer is n-doped, wherein the second semiconductor layer is p-doped, wherein the active layer is formed with respect to its material composition in such a way that during operation of the component, arriving ultraviolet radiation is absorbed by the active layer for generating charge carrier pairs, wherein the active layer is relaxed with respect to its lattice constant, and wherein the first semiconductor layer is strained with respect to its lattice constant.
Light redirecting film useful with solar modules
A light redirecting film defining a longitudinal axis, and including a base layer, an ordered arrangement of a plurality of microstructures, and a reflective layer. The microstructures project from the base layer, and each extends across the base layer to define a corresponding primary axis. The primary axis of at least one of the microstructures is oblique with respect to the longitudinal axis. The reflective layer is disposed over the microstructures opposite the base layer. When employed, for example, to cover portions of a PV module tabbing ribbon, or areas free of PV cells, the films of the present disclosure uniquely reflect incident light.
Control of surface properties by deposition of particle monolayers
The physical and chemical properties of surfaces can be controlled by bonding nanoparticles, microspheres, or nanotextures to the surface via inorganic precursors. Surfaces can acquire a variety of desirable properties such as antireflection or reflection, antifogging, antifrosting, UV blocking, and IR absorption, while maintaining transparency to visible light. Micro or nanomaterials can also be used as etching masks to texture a surface and control its physical and chemical properties via its micro or nanotexture.
Image sensor with an absorption enhancement semiconductor layer
An image sensor with an absorption enhancement semiconductor layer is provided. In some embodiments, the image sensor comprises a front-side semiconductor layer, an absorption enhancement semiconductor layer, and a back-side semiconductor layer that are stacked. The absorption enhancement semiconductor layer is stacked between the front-side and back-side semiconductor layers. The absorption enhancement semiconductor layer has an energy bandgap less than that of the front-side semiconductor layer. Further, the image sensor comprises a plurality of protrusions and a photodetector. The protrusions are defined by the back-side semiconductor layer, and the photodetector is defined by the front-side semiconductor layer, the absorption enhancement semiconductor layer, and the back-side semiconductor layer.
Thin film transistor and fabrication method thereof, array substrate and display device
A thin film transistor and a fabrication method thereof, an array substrate and a display device are provided. The thin film transistor comprises a gate electrode, an active layer, a source electrode and a drain electrode. The source electrode and the drain electrode include a first conductive layer provided on the active layer, and an etching rate of a material of the first conductive layer is greater than an etching rate of a material of the active layer in an etching liquid. The problem that the active layer of the thin film transistor is easily corroded in a back channel etch process is avoided, a number of patterning processes is reduced, and fabrication cost is reduced.
A display device according to an exemplary embodiment of the present invention includes: a substrate; a gate line and a data line that are provided on the substrate and are insulated from each other; a thin film transistor that is connected with the gate line and the data line; and a pixel electrode that is connected with the thin film transistor, in which at least one of the gate line and the data line includes a metal layer and a blocking layer that contacts the metal layer, and the blocking layer includes a first metal from a first group including molybdenum (Mo) and tungsten (W), a second metal from a second group including vanadium (V), niobium (Nb), zirconium (Zr), and tantalum (Ta), and oxygen (O).
Thin film transistor and manufacturing method therefor
A thin film transistor is provided. The thin film transistor includes a substrate, an active pattern disposed on the substrate and including a nitride, a protective pattern disposed on the active pattern and including a non-nitride, a gate electrode overlapping with the active pattern, and a gate insulating layer between the gate electrode and the active pattern.
Semiconductor device and manufacturing method thereof
A semiconductor device includes a substrate, at least two gate spacers, and a gate stack. The substrate has at least one semiconductor fin. The gate spacers are disposed on the substrate. At least one of the gate spacers has a sidewall facing to another of the gate spacers. The gate stack is disposed between the gate spacers. The gate stack includes a high-κ dielectric layer and a gate electrode. The high-κ dielectric layer is disposed on the substrate and covers at least a portion of the semiconductor fin while leaving the sidewall of said at least one gate spacer uncovered. The gate electrode is disposed on the high-κ dielectric layer.
Forming a sacrificial liner for dual channel devices
Semiconductor devices include one or more fins. Each fin includes a top channel portion formed from a channel material and a bottom substrate portion formed from a same material as an underlying substrate, the top channel portion having a different width than the bottom substrate portion. An isolation dielectric layer formed between and around the bottom substrate portion of the one or more fins. A space exists between at least a top portion of the isolation dielectric layer and the one or more fins. A gate dielectric is formed over the one or more fins and in the space.
Asymmetric source and drain structures in semiconductor devices
The present disclosure provides semiconductor devices with asymmetric source/drain structures. In one example, a semiconductor device includes a first group of source/drain structures on a first group of fin structures on a substrate, a second group of source/drain structures on a second group of fin structures on the substrate, and a first gate structure and a second gate structure over the first and the second group of fin structures, respectively, the first and second groups of source/drain structures being proximate the first and second gate structures, respectively, wherein the first group of source/drain structures on the first group of fin structures has a first source/drain structure having a first vertical height different from a second vertical height of a second source/drain structure of the second group of source/drain structures on the second group of fin structures.
Embedded JFETs for high voltage applications
A device includes a buried well region and a first HVW region of the first conductivity, and an insulation region over the first HVW region. A drain region of the first conductivity type is disposed on a first side of the insulation region and in a top surface region of the first HVW region. A first well region and a second well region of a second conductivity type opposite the first conductivity type are on the second side of the insulation region. A second HVW region of the first conductivity type is disposed between the first and the second well regions, wherein the second HVW region is connected to the buried well region. A source region of the first conductivity type is in a top surface region of the second HVW region, wherein the source region, the drain region, and the buried well region form a JFET.
A semiconductor device includes first to third semiconductor layers stacked, and control electrodes provided in trenches extending in a stacking direction. The device further includes an insulating region and a fourth semiconductor layer. The insulating region is provided between first and second control electrodes adjacent to each other. The fourth semiconductor layer is provided between the insulating region and the first and second control electrodes, and between the insulating region and the first semiconductor layer. A first insulating film is provided between the first control electrode and the fourth semiconductor layer, and contacts the first control electrode and the fourth semiconductor layer. A second insulating film is provided between the second control electrode and the fourth semiconductor layer, and contacts the second control electrode and the fourth semiconductor layer. The insulating region has an end positioned at a level lower than a level of ends of the control electrodes.
Source and drain structure with reduced contact resistance and enhanced mobility
A method includes forming a fin structure on the substrate, wherein the fin structure includes a first fin active region; a second fin active region; and an isolation feature separating the first and second fin active regions; forming a first gate stack on the first fin active region and a second gate stack on the second fin active region; performing a first recessing process to a first source/drain region of the first fin active region by a first dry etch; performing a first epitaxial growth to form a first source/drain feature on the first source/drain region; performing a fin sidewall pull back (FSWPB) process to remove a dielectric layer on the second fin active region; and performing a second epitaxial growth to form a second source/drain feature on a second source/drain region of the second fin active region.
A semiconductor device is disclosed that includes a plurality of isolation regions. A fin is arranged between the plurality of isolation regions. One of the plurality of isolation regions includes a first atomic layer deposition (ALD) layer, a second ALD layer, a flowable chemical vapor deposition (FCVD) layer, and a third ALD layer. The first ALD layer includes a first trench. The second ALD layer is formed in the first trench of the first ALD layer. The FCVD layer is formed in the first trench of the first ALD layer and on the second ALD layer. The third ALD layer is formed on the FCVD layer.
Semiconductor device and method
Methods are disclosed for forming a multi-layer structure including highly controlled diffusion interfaces between alternating layers of different semiconductor materials. According to embodiments, during a deposition of semiconductor layers, the process is controlled to remain at low temperatures such that an inter-diffusion rate between the materials of the deposited layers is managed to provide diffusion interfaces with abrupt Si/SiGe interfaces. The highly controlled interfaces and first and second layers provide a multi-layer structure with improved etching selectivity. In an embodiment, a gate all-around (GAA) transistor is formed with horizontal nanowires (NWs) from the multi-layer structure with improved etching selectivity. In embodiments, horizontal NWs of a GAA transistor may be formed with substantially the same size diameters and silicon germanium (SiGe) NWs may be formed with “all-in-one” silicon (Si) caps.
Devices and methods for a power transistor having a Schottky or Schottky-like contact
Devices, structures, and methods thereof for providing a Schottky or Schottky-like contact as a source region and/or a drain region of a power transistor are disclosed. A power transistor structure comprises a substrate of a first dopant polarity, a drift region formed on or within the substrate, a body region formed on or within the drift region, a gate structure formed on or within the substrate, a source region adjacent to the gate structure, a drain region formed adjacent to the gate structure. At least one of the source region and the drain region is formed from a Schottky or Schottky-like contact substantially near a surface of the substrate, comprising a silicide layer and an interfacial dopant segregation layer. The Schottky or Schottky-like contact is formed by low-temperature annealing a dopant segregation implant in the source and/or drain region.
Fin Field-Effect Transistors and methods of forming the same
A method includes forming first spacers on opposing sidewalls of a first fin, where the first fin protrudes above a substrate, recessing the first fin to form a first recess between the first spacers, and treating the first spacers using a baking process, where treating the first spacers changes a profile of the first spacers. The method further includes epitaxially growing a first semiconductor material over a top surface of the first fin after treating the first spacers.
Semiconductor structure and fabrication method thereof
A semiconductor structure is disclosed that includes the fin structure and the plurality of gates. The plurality of gates disposed with respect to the fin structure and including the first gate, the second gate, and the third gate. The spacing between the first gate and the second gate is smaller than the spacing between the second gate and the third gate. The second gate is disposed between the first gate and the third gate. The foot portion of the first gate, facing the second gate, and the first foot portion of the second gate, facing the first gate, have no lateral extension. The second foot portion of the second gate, facing the third gate, and the foot portion of the third gate, facing the second gate, have no lateral extension and/or cut.
Cap layer and anneal for gapfill improvement
Embodiments disclosed herein relate generally to forming a gate layer in high aspect ratio trenches using a cyclic deposition-etch process. In an embodiment, a method for semiconductor processing is provided. The method includes performing a cyclic deposition-etch process to form a conformal film over a bottom surface and along sidewall surfaces of a feature on a substrate. The method includes forming a dielectric cap layer on the conformal film. The method includes performing an anneal process on the conformal film.
Power device having a polysilicon-filled trench with a tapered oxide thickness
In one embodiment, a power MOSFET vertically conducts current. A bottom electrode may be connected to a positive voltage, and a top electrode may be connected to a low voltage, such as a load connected to ground. A gate and/or a field plate, such as polysilicon, is within a trench. The trench has a tapered oxide layer insulating the polysilicon from the silicon walls. The oxide is much thicker near the bottom of the trench than near the top to increase the breakdown voltage. The tapered oxide is formed by implanting nitrogen into the trench walls to form a tapered nitrogen dopant concentration. This forms a tapered silicon nitride layer after an anneal. The tapered silicon nitride variably inhibits oxide growth in a subsequent oxidation step.
Semiconductor memory device
A semiconductor memory device of an embodiment includes a semiconductor layer; a gate electrode including a first portion, a second portion provided to be spaced apart from the first portion, and a spacer provided between the first portion and the second portion; and a first insulating layer provided between the semiconductor layer and the gate electrode and including a first region containing a ferroelectric, a ferrielectric, or an anti-ferroelectric, a second region containing a ferroelectric, a ferrielectric, or an anti-ferroelectric, and a boundary region provided between the first region and the second region. The first region is positioned between the first portion and the semiconductor layer, the second region is positioned between the second portion and the semiconductor layer, the boundary region is positioned between the spacer and the semiconductor layer, and the boundary region has a chemical composition different from that of the spacer.
Semiconductor device and method of manufacturing the same
In a method for manufacturing a semiconductor device, a gate structure is formed over a channel layer and an isolation insulating layer. A first sidewall spacer layer is formed on a side surface of the gate structure. A sacrificial layer is formed so that an upper portion of the gate structure with the first sidewall spacer layer is exposed from the sacrificial layer and a bottom portion of the gate structure with the first sidewall spacer layer is embedded in the first sacrificial layer. A space is formed between the bottom portion of the gate structure and the sacrificial layer by removing at least part of the first sidewall spacer layer. After the first sidewall spacer layer is removed, an air gap is formed between the bottom portion of the gate structure and the sacrificial layer by forming a second sidewall spacer layer over the gate structure.
Method for auto-aligned manufacturing of a VDMOS transistor, and auto-aligned VDMOS transistor
A MOS transistor, in particular a vertical channel transistor, includes a semiconductor body housing a body region, a source region, a drain electrode and gate electrodes. The gate electrodes extend in corresponding recesses which are symmetrical with respect to an axis of symmetry of the semiconductor body. The transistor also has spacers which are also symmetrical with respect to the axis of symmetry. A source electrode extends in electrical contact with the source region at a surface portion of the semiconductor body surrounded by the spacers and is in particular adjacent to the spacers. During manufacture the spacers are used to form in an auto-aligning way the source electrode which is symmetrical with respect to the axis of symmetry and equidistant from the gate electrodes.
Transistor with source field plates under gate runner layers
A transistor device includes a field plate extending from a source contact layer and defining an opening above a gate metal layer. Coplanar with the source contact layer, the field plate is positioned close to the channel region, which helps reduce its parasitic capacitance. Meanwhile, the opening allows a gate runner layer above the field plate to access and connect to the gate metal layer, which helps reduce the resistance of the gate structure. By vertically overlapping the metal gate layer, the field plate, and the gate runner layer, the transistor device may achieve fast switching performance without incurring any size penalty.
Method of manufacturing a silicon carbide semiconductor device
A silicon carbide semiconductor device includes: n type regions formed on a surface of the n− type epitaxial layer; p type body regions formed at positions deeper than the n type regions; p− type channel regions each reaching the p type body region; and n++ type source regions formed toward the p type body region from the front surface side of the epitaxial layer, and the p− type channel regions and the n++ type source regions are formed at a planar position where the n type region remains between the p− type channel region and the n++ type source region, and out of boundary surfaces which are formed between the p− type channel region and the n type regions, the boundary surface on an outer peripheral side is positioned inside an outer peripheral surface 116a of the p type body region as viewed in a plan view.
Gate trench device with oxygen inserted si-layers
A semiconductor device includes a gate trench extending into a Si substrate, the gate trench including a gate electrode and a gate dielectric separating the gate electrode from the Si substrate. The semiconductor device further includes a body region in the Si substrate adjacent the gate trench, the body region including a channel region which extends along a sidewall of the gate trench, a source region in the Si substrate above the body region, a contact trench extending into the Si substrate and filled with an electrically conductive material which contacts the source region and a highly doped body contact region at a bottom of the contact trench, and a diffusion barrier structure extending along at least part of the channel region and disposed between the channel region and the highly doped body contact region. The diffusion barrier structure includes alternating layers of Si and oxygen-doped Si.
High-voltage semiconductor device having a doped isolation region between a level shift region and a high voltage region
A semiconductor device is disclosed. The semiconductor device includes a substrate structure including a high side region, a low side region, a level shift region and an isolation region. The low side region is separated from the high side region. The level shift region and the isolation region are disposed between the low side region and the high side region. The level shift region is separated from the high side region by the isolation region. A doped isolation region, which is disposed in the isolation region, includes a first doped portion and a second doped portion adjacent to the first doped portion. The depth of the first doped portion is decreased linearly along a first direction from the isolation region to the level shift region. The depth of the second doped portion is decreased linearly along a second direction from the isolation region to the high side region.
A semiconductor device including: a drift region formed on a semiconductor substrate; a gate trench portion provided on an upper surface of the semiconductor substrate; a first and second mesa portion adjacent to one and the other of the gate trench portions; an accumulation region provided above the drift region in the first mesa portion; a base region provided above the accumulation region; a emitter region provided between the base region and the upper surface of the semiconductor substrate; an intermediate region provided above the drift region in the second mesa portion; a contact region provided above the intermediate region, wherein the gate trench portion has a gate conductive portion; a bottom portion of the gate conductive portion has a first step and second step; and, at least part of the intermediate region is provided between the steps and the bottom portion of the gate trench portion will be provided.
Low on resistance high voltage metal oxide semiconductor transistor
A high voltage transistor with low on resistance is disclosed. The transistor may include at least one cut out region in the drift region under the drain of the transistor. The cut out region is devoid of the drift well which connects the drain to the channel. Cut out regions may be distributed along the width direction of the drain region of the transistor. The transistor may alternatively or further include a vertical polysilicon plate surrounding the device region. The vertical polysilicon plate may be implemented as a deep trench isolation region. The deep trench isolation region includes a deep trench lined with an insulation collar and filled with polysilicon. The vertical polysilicon plate reduces an on resistance to improve device performance.
Method for manufacturing OLED display device, OLED display device and OLED display apparatus
The present disclosure discloses a method for manufacturing an OLED display device, including: forming a pixel-defining layer on a substrate to define a plurality of pixel regions, forming an organic film layer in each pixel region, determining at least one area to be compensated in the pixel region according to a surface shape of the organic film layer; aligning an evaporation source, an opening of a mask and the pixel region, making each opening of the mask respectively correspond to the position of each area to be compensated; forming an electron function layer in the area to be compensated by means of evaporation of the evaporation source, wherein the electron function layer is configured to compensate a surface shape of the organic film layer in the pixel region.
Display device and manufacturing method thereof
A display device according to an embodiment includes a substrate having a display area, and a peripheral area outside the display area including a first peripheral area adjacent to the display area, a first bending area extending from the first peripheral area, and a second peripheral area extending from the first bending area, and overlapping the first peripheral area, a display member at the display area, and including a first display area, and a second display area around the first display area, and a plurality of align keys on the substrate, wherein the first peripheral area includes a flat peripheral area corresponding to an area between the first display area and the first bending area, and a second bending area between the second display area and an end of the substrate, and wherein the plurality of align keys include a first align key at the flat peripheral area, and a second align key at the second peripheral area.
Display device including organic layer including pigment or dye and method of manufacturing thereof
A display device, in which a first pixel and a second pixel are defined, includes: a display panel including a base substrate and a light-emitting element disposed on the base substrate; a color filter layer disposed over the display panel and including a first color filter disposed in the first pixel and a second color filter disposed in the second pixel; and a first organic layer disposed over the display panel, and including a pigment or a dye. The first pixel displays a first color, and the second pixel displays a second color different from the first color. The organic layer is integrally formed over the first pixel and the second pixel.
The present invention provides an OLED display, comprising a substrate, a thin film transistor layer, a blue light emitting layer, a cover plate and a color conversion layer; wherein the color conversion layer comprises a plurality of red conversion units and green conversion units, and both materials of the red conversion units and the green conversion units are organic metal halide perovskite materials; the blue light emitted by the blue light OLED correspond to the red, the green and the blue sub pixel regions, and respectively converted into red light by the red conversion units to emit, converted into green light by the green conversion units to emit and emitted through the cover plate, directly to obtain the red, green, blue lights of high color saturation to realize the color display of the high color gamut.
Semiconductor structure integrated with magnetic tunneling junction and manufacturing method thereof
The present disclosure provides a semiconductor structure including a substrate, a transistor region having a gate over the substrate and a doped region at least partially in the substrate, a first metal layer over the transistor region, and a magnetic tunneling junction (MTJ) between the transistor region and the first metal layer. The present disclosure provides a method for manufacturing a semiconductor structure, including forming a transistor region over a substrate, the transistor region comprising a gate and a doped region, forming a magnetic tunneling junction (MTJ) over the transistor region, electrically coupling to the transistor region, and forming a first metal layer over the MTJ, electrically coupling to the MTJ and the transistor region.
Semiconductor image sensor
In some embodiments, the present disclosure relates to an image sensor integrated chip. The integrated chip has an image sensing element arranged within a substrate. A first dielectric is disposed in one or more trenches within a first side of the substrate. The one or more trenches laterally surround the image sensing element. The substrate includes a recessed portion arranged along the first side of the substrate and defined by second sidewalls of the substrate directly over the image sensing element. The second sidewalls of the substrate are angled to meet at a point disposed along a horizontal plane that intersects the first dielectric within the one or more trenches.
Elevated photodiode with a stacked scheme
A device includes an image sensor chip having formed therein an elevated photodiode, and a device chip underlying and bonded to the image sensor chip. The device chip has a read out circuit electrically connected to the elevated photodiode.
Extra doped region for back-side deep trench isolation
The present disclosure, in some embodiments, relates to a method of forming an image sensor. The method includes implanting a dopant into a substrate to form a doped region and implanting one or more additional dopants into the substrate to form an image sensing element between the doped region and a front-side of the substrate. The doped region directly contacts a boundary of the image sensing element that is furthest from the front-side of the substrate. The method further includes etching the substrate to form one or more trenches extending into a back-side of the substrate. The back-side of the substrate opposes the front-side of the substrate. The method further includes filling the one or more trenches with one or more dielectric materials to form isolation structures.
Structures and methods of creating clear pixels
An image sensor may include an array of pixels having a color filter layer. The color filter layer may include colored elements and clear elements. The clear elements may be formed from transparent dielectric material. The color filter layer may include a grid of light-blocking material that forms color filter container structures having an array of openings in which the colored elements and the clear elements are formed. The color filter container structures may be formed from the same transparent dielectric material that forms the clear elements. The color filter container structures may be formed from opaque materials or transparent materials that form structures such as planarization layers, microlenses, or antireflection coatings for the array of pixels. The material used to form the color filter container structures may have a refractive index that is sufficiently high to prevent light from passing between adjacent elements in the color filter layer.
Apparatus and method for improved precision of phase difference detection
The present technology relates to a solid-state imaging device and a driving method thereof, and an electronic apparatus that make it possible to improve the precision of phase difference detection while suppressing deterioration of resolution in a solid-state imaging device having a global shutter function and a phase difference AF function. Provided is a solid-state imaging device including: a pixel array unit including, as pixels including an on-chip lens, a photoelectric conversion unit, and a charge accumulation unit, imaging pixels for generating a captured image and phase difference detection pixels for performing phase difference detection arrayed therein; and a driving control unit configured to control driving of the pixels. The imaging pixel is formed with the charge accumulation unit shielded from light. The phase difference detection pixel is formed in a manner that at least part of at least one of the photoelectric conversion unit and the charge accumulation unit refrains from being shielded from light. The present technology can be applied to, for example, a CMOS image sensor.
Array substrate and method of manufacturing the same, and display apparatus
The present disclosure provides an array substrate and a method of manufacturing the same and a display apparatus in which the array substrate is applied. In one embodiment, the method of manufacturing an array substrate at least includes the steps of: forming a first electrode layer, a metal gate layer and a first layer of non-oxide insulation material, the first layer of non-oxide insulation material being formed on an upper surface of the metal gate layer; forming, by using one patterning process, a pattern including a first electrode and a gate such that, after completion of the patterning process, a first non-oxide insulation layer is further formed on the gate and a first sub-electrode belonging to the first electrode layer is further formed below the gate. This method of manufacturing the array substrate is simple, which facilitates mass production of the array substrate as well as the display apparatus.
Array substrate and method for fabricating the same, and display device
The present disclose provides in some embodiments an array substrate and a method for fabricating the same, and a display device. The array substrate includes a source-drain metal layer formed on a base substrate and including copper, an alloy layer formed on the source-drain metal layer and including copper alloy, non-copper metal in the copper alloy being easier to be oxidized than copper in the copper alloy, a passivation layer formed on the alloy layer, and an oxide layer formed between the alloy layer and the passivation layer.
An object is to provide a semiconductor device using an oxide semiconductor having stable electric characteristics and high reliability. A transistor including the oxide semiconductor film in which a top surface portion of the oxide semiconductor film is provided with a metal oxide film containing a constituent similar to that of the oxide semiconductor film and functioning as a channel protective film is provided. In addition, the oxide semiconductor film used for an active layer of the transistor is an oxide semiconductor film highly purified to be electrically i-type (intrinsic) by heat treatment in which impurities such as hydrogen, moisture, a hydroxyl group, or a hydride are removed from the oxide semiconductor and oxygen which is a major constituent of the oxide semiconductor and is reduced concurrently with a step of removing impurities is supplied.
Semiconductor device and manufacturing method of the same
On a semiconductor substrate having an SOI region and a bulk silicon region formed on its upper surface, epitaxial layers are formed in source and drain regions of a MOSFET formed in the SOI region, and no epitaxial layer is formed in source and drain regions of a MOSFET formed in the bulk silicon region. By covering the end portions of the epitaxial layers with silicon nitride films, even when diffusion layers are formed by implanting ions from above the epitaxial layers, it is possible to prevent the impurity ions from being implanted down to a lower surface of a silicon layer.
Integrated circuit power distribution network
An integrated circuit (IC) power distribution network is disclosed. In one aspect, the IC includes a stack of layers formed on a substrate. The IC includes standard cells with parallel gate structures oriented in a direction y. Each cell includes an internal power pin for supplying a reference voltage to the cell. The stack includes metal layers in which lines are formed to route signals between cells. The lines in each metal layer have a preferred orientation that is orthogonal to that of the lines in an adjacent metal layer. A first layer is the lowest metal layer that has y as a preferred orientation while also providing routing resources for signal routing between the cells. A second layer is the nearest metal layer above this first layer. The IC includes a power distribution network for delivering the reference voltage to the power pin.
Three dimensional memory and methods of forming the same
Some embodiments include a memory device and methods of forming the memory device. One such memory device includes a first group of memory cells, each of the memory cells of the first group being formed in a cavity of a first control gate located in one device level of the memory device. The memory device also includes a second group of memory cells, each of the memory cells of the second group being formed in a cavity of a second control gate located in another device level of the memory device. Additional apparatus and methods are described.
3D memory device with U-shaped memory cell strings
A 3D memory device comprises: a substrate; a plurality of U-shaped memory cells strings each including a first, bit line-side string portion or pillar, a second, source line-side string portion or pillar and a buried string portion formed in the substrate and connected to a first end of the first string portion and to a first end of the second string portion, the U-shaped memory cells strings including stacks of memory cells along the first and second string portions. Bit line selectors are arranged at a second end of the first string portions opposed to the first end, for the selective connection to respective bit lines; source line selectors are arranged at a second end of the second string portions opposed to the first end, for the selective connection to respective source lines. There are first groups of first string portions, wherein in each first group the first string portions are aligned along a first direction to form a respective first row of first string portions; there are second groups of second string portions, wherein in each second group the second string portions are aligned along the first direction to form a respective second row of second string portions. The first rows of first string portions and the second rows of second string portions follow one another, alternately or in pairs, along a second direction transversal to the first direction. First rows of first string portions and/or second rows of second string portions consecutive along said second direction are spaced apart from each other a respective distance. Between a first row of first string portions and a second row of second string portions being consecutive along the second direction and spaced apart a distance equal to or less than a minimum distance allowed by the resolution of the manufacturing technology a respective slit is formed that extends in a third direction, orthogonal to the first and second directions, from the second end down to the substrate, the slit, interrupting layers forming the bit line selectors and the source line selectors and control gates of the memory cells of the memory cells stacks, with dimension, along the second direction, less than, equal to or higher than the minimum distance, and walls of the slit lying in planes parallel to the first and third directions delimit the first and second string portions.
Integrated circuit and method for manufacturing the same
Various embodiments of the present application are directed to an integrated circuit (IC) comprising a memory cell with a large operation window and a high erase speed. In some embodiments, the IC comprises a semiconductor substrate and a memory cell. The memory cell comprises a control gate electrode, a select gate electrode, a charge trapping layer, and a common source/drain region. The common source/drain is defined by the semiconductor substrate and is n-type. The control gate electrode and the select gate electrode overlie the semiconductor substrate and are respectively on opposite sides of the common source/drain. Further, the control gate electrode overlies the charge trapping layer and comprises a metal with a p-type work function. In some embodiments, the select gate electrode comprises a metal with an n-type work function.
According to one embodiment, a semiconductor device includes a stacked body, first, second, third, and fourth insulating bodies, first and second columnar portions. The stacked body includes a conductive layer and an insulating layer stacked alternately. The first, second, third and fourth insulating bodies, the first and second columnar portions are provided inside the stacked body. The second insulating body is at a position different from the first insulating body. The third insulating body is between the first and second insulating bodies. The fourth insulating body is between the first and second insulating bodies, and includes portions contacting the third insulating body and being separated from each other with the third insulating body interposed. The first columnar portion is between the first and fourth insulating bodies. The second columnar portion is between the second and fourth insulating bodies. The first and second columnar portions include a semiconductor layer.
Source and drain formation technique for fin-like field effect transistor
Source and drain formation techniques are disclosed herein for fin-like field effect transistors (FinFETs). An exemplary method for forming epitaxial source/drain features for a FinFET includes epitaxially growing a semiconductor material on a plurality of fins using a silicon-containing precursor and a chlorine-containing precursor. The semiconductor material merges to form an epitaxial feature spanning the plurality of fins, where the plurality of fins has a fin spacing that is less than about 25 nm. A ratio of a flow rate of the silicon-containing precursor to a flow rate of the chlorine-containing precursor is less than about 5. The method further includes etching back the semiconductor material using the chlorine-containing precursor, thereby modifying a profile of the epitaxial feature. The epitaxially growing and the etching back may be performed only once. In some implementations, where the FinFET is an n-type FinFET, the epitaxially growing also uses a phosphorous-containing precursor.
Semiconductor memory device and manufacturing method thereof
A manufacturing method of a semiconductor memory device includes the following steps. A gate structure is formed on a semiconductor substrate. The gate structure includes a floating gate electrode, a control gate electrode, a first oxide layer, and a second oxide layer. The control gate electrode is disposed on the floating gate electrode. The first oxide layer is disposed between the floating gate electrode and the semiconductor substrate. The second oxide layer is disposed between the floating gate electrode and the control gate electrode. An oxide spacer layer is conformally on the gate structure and the semiconductor substrate. A nitride spacer is formed on the oxide spacer layer and on a sidewall of the gate structure. An oxidation process is performed after the step of forming the nitride spacer. A thickness of an edge portion of the first oxide layer is increased by the oxidation process.
Semiconductor device and manufacture method thereof
A semiconductor device includes a semiconductor substrate and at least one gate stack. The gate stack is present on the semiconductor substrate, and the gate stack includes at least one work function conductor and a filling conductor. The work function conductor has a recess therein. The filling conductor includes a plug portion and a cap portion. The plug portion is present in the recess of the work function conductor. The cap portion caps the work function conductor.
Semiconductor device and manufacturing method thereof
A semiconductor device includes at least one semiconductor fin, a gate electrode, at least one gate spacer, and a gate dielectric. The semiconductor fin includes at least one recessed portion and at least one channel portion. The gate electrode is present on at least the channel portion of the semiconductor fin. The gate spacer is present on at least one sidewall of the gate electrode. The gate dielectric is present at least between the channel portion of the semiconductor fin and the gate electrode. The gate dielectric extends farther than at least one end surface of the channel portion of the semiconductor fin.
FinFET isolation structure and method for fabricating the same
Embodiments of the disclosure provide a semiconductor device including a substrate, an insulating layer formed over the substrate, a plurality of fins formed vertically from a surface of the substrate, the fins extending through the insulating layer and above a top surface of the insulating layer, a gate structure formed over a portion of fins and over the top surface of the insulating layer, a source/drain structure disposed adjacent to opposing sides of the gate structure, the source/drain structure contacting the fin, a dielectric layer formed over the insulating layer, a first contact trench extending a first depth through the dielectric layer to expose the source/drain structure, the first contact trench containing an electrical conductive material, and a second contact trench extending a second depth into the dielectric layer, the second contact trench containing the electrical conductive material, and the second depth is greater than the first depth.
Strapping structure of memory circuit
A memory circuit includes a first memory cell and a second memory adjacent to the first memory cell. The first memory cell includes a first word line strapping line segment electrically coupled with a pass device of the first memory cell; and a second word line strapping line segment. The second memory cell includes a first word line strapping line segment; and a second word line strapping line segment electrically coupled with a pass device of the second memory cell. The first word line strapping line segment of the first memory cell and the first word line strapping line segment of the second memory cell are connected with each other at a first interconnection layer. The second word line strapping line segment of the first memory cell and the second word line strapping line segment of the second memory cell are connected with each other at the first interconnection layer.
Method of providing layout design of SRAM cell
A method of providing a layout design of an SRAM cell includes: providing a substrate layout comprising a first oxide diffusion area, a second oxide diffusion area, a first polysilicon layout, and a second polysilicon layout, wherein the first polysilicon layout extends across the first oxide diffusion area and the second oxide diffusion area, and the second polysilicon layout extends across the first oxide diffusion area and the second oxide diffusion area; forming a first pull-up transistor on the first oxide diffusion area and the first polysilicon layout; forming a first pull-down transistor on the second oxide diffusion area and the first polysilicon layout; forming a second pull-up transistor on the first oxide diffusion area and the second polysilicon layout; and forming a second pull-down transistor on the second oxide diffusion area and second first polysilicon layout.
Three-dimensional memory device having support-die-assisted source power distribution and method of making thereof
A memory-containing die includes a three-dimensional memory array, a memory dielectric material layer located on a first side of the three-dimensional memory array, and memory-side bonding pads. A logic die includes a peripheral circuitry configured to control operation of the three-dimensional memory array, logic dielectric material layers located on a first side of the peripheral circuitry, and logic-side bonding pads included in the logic dielectric material layers. The logic-side bonding pads includes a pad-level mesh structure electrically connected to a source power supply circuit within the peripheral circuitry and containing an array of discrete openings therethrough, and discrete logic-side bonding pads. The logic-side bonding pads are bonded to a respective one, or a respective subset, of the memory-side bonding pads. The pad-level mesh structure can be used as a component of a source power distribution network.
Semiconductor packages having dummy connectors and methods of forming same
An embodiment package includes a first package. The first package includes a first integrated circuit die, an encapsulant around the first integrated circuit die, and redistribution layers over the encapsulant and the first integrated circuit die. The package also includes a second package bonded to the first package by a plurality of functional connectors. The functional connectors and the redistribution layers electrically connect a second integrated circuit die of the second package to the first integrated circuit die. The package also includes a plurality of dummy connectors disposed between the first package and the second package. One end of each of the plurality of dummy connectors facing the first package is physically separated from the first package.
Magnetic coupling package structure for magnetically coupled isolator with duo leadframes and method for manufacturing the same
The instant disclosure includes a magnetic coupling package structure with duo leadframes for a magnetically coupled isolator and a method for manufacturing the same. The method includes a leadframe providing step, a chip connecting step and a coil alignment step. The leadframe providing step includes providing a first and a second leadframe each including a chip carrying portion, a coil portion, a plurality of pins and floating pins. The chip connecting step includes disposing at least a first chip and at least a second chip onto the corresponding chip carrying portions for electrically connecting the chips to the pins. The coil alignment step includes arranging the first leadframe above or beneath the second leadframe and applying a first and a second magnetic field to the first and the second leadframes respectively for aligning the coil portions, thereby controlling the coupling effect between two coil portions.
Semiconductor device, method for manufacturing semiconductor device, and method for manufacturing semiconductor package
A semiconductor device includes a base including interconnects, a first semiconductor chip including a first semiconductor element portion, and a second semiconductor chip including a second semiconductor element portion. The second semiconductor chip is electrically connected to the first semiconductor chip via at least one of the interconnects. The second semiconductor chip includes a first region, a first portion, and a second portion. The first region includes the second semiconductor element portion. The first portion is continuous with the first region. The second portion is continuous with the first region and is separated from the first portion in a second direction crossing a first direction. The first direction is from the base toward the first region. The second portion, the first portion, and at least a portion of the first semiconductor chip each is positioned between the base and the first region.
Buffer layer(s) on a stacked structure having a via
A structure includes first and second substrates, first and second stress buffer layers, and a post-passivation interconnect (PPI) structure. The first and second substrates include first and second semiconductor substrates and first and second interconnect structures on the first and second semiconductor substrates, respectively. The second interconnect structure is on a first side of the second semiconductor substrate. The first substrate is bonded to the second substrate at a bonding interface. A via extends at least through the second semiconductor substrate into the second interconnect structure. The first stress buffer layer is on a second side of the second semiconductor substrate opposite from the first side of the second semiconductor substrate. The PPI structure is on the first stress buffer layer and is electrically coupled to the via. The second stress buffer layer is on the PPI structure and the first stress buffer layer.
Electronic package and method for fabricating the same
An electronic package is provided, which includes: a first substrate; a first electronic component disposed on the first substrate; a second substrate stacked on the first substrate through a plurality of first conductive elements and a plurality of second conductive elements and bonded to the first electronic component through a bonding layer; and a first encapsulant formed between the first substrate and the second substrate. The first conductive elements are different in structure from the second conductive elements so as to prevent a mold flow of the first encapsulant from generating an upward pushing force during a molding process and hence avoid cracking of the second substrate. The present disclosure further provides a method for fabricating the electronic package.
Methods of packaging semiconductor devices and packaged semiconductor devices
Methods of packaging semiconductor devices and packaged semiconductor devices are disclosed. In some embodiments, a method of packaging a semiconductor device includes forming a dam structure on dies proximate edge regions of the dies. A molding material is disposed around the dies, and a top portion of the molding material and a top portion of the dam structure are removed.
Packaged semiconductor devices and methods of packaging semiconductor devices
Packaged semiconductor devices and methods of packaging semiconductor devices are disclosed. In some embodiments, a method of packaging a semiconductor device includes forming a mask coating over a carrier, coupling an integrated circuit die over the mask coating, and disposing a molding compound around the integrated circuit die. The method includes forming an interconnect structure over the integrated circuit die and the molding compound.
Semiconductor structure and manufacturing method thereof
A semiconductor structure includes a first die, a second die horizontally disposed adjacent to the first die, a third die disposed over the first die and the second die, and a first dielectric material surrounding the first die and the second die, wherein a portion of the first dielectric material is disposed between the first die and the second die, and the third die is disposed over the portion of the dielectric.
Anisotropic conductive film and connected structure
Anisotropic conductive films, each including an insulating adhesive layer and conductive particles insulating adhesive layer in a lattice-like manner. Among center distances between an arbitrary conductive particle and conductive particles adjacent to the conductive particle, the shortest distance to the conductive particle is a first center distance; the next shortest distance is a second center distance. These center distances are 1.5 to 5 times the conductive particles' diameter. The arbitrary conductive particle, conductive particle spaced apart from the conductive particle by the first center distance, conductive particle spaced apart from the conductive particle by first center distance or second center distance form an acute triangle. Regarding this acute triangle, an acute angle formed between a straight line orthogonal to a first array direction passing through the conductive particles and second array direction passing through conductive particles being 18 to 35□. These anisotropic conductive films have stable connection reliability in COG connection.
Disclosed herein is a bump-on-trace interconnect with a wetted trace sidewall and a method for fabricating the same. A first substrate having conductive bump with solder applied is mounted to a second substrate with a trace disposed thereon by reflowing the solder on the bump so that the solder wets at least one sidewall of the trace, with the solder optionally wetting between at least half and all of the height of the trace sidewall. A plurality of traces and bumps may also be disposed on the first substrate and second substrate with a bump pitch of less than about 100 μm, and volume of solder for application to the bump calculated based on at least one of a joint gap distance, desired solder joint width, predetermined solder joint separation, bump geometry, trace geometry, minimum trace sidewall wetting region height and trace separation distance.
Semicondcutor package and manufacturing method thereof
A semiconductor package and a manufacturing method for the semiconductor package are provided. The semiconductor package has at least one chip, through interlayer vias aside the chip and a composite molding compound encapsulating the chip and the through interlayer vias. The semiconductor package may further include a redistribution layer and conductive elements disposed on the redistribution layer.
Anisotropic conductive film (ACF) and forming method thereof, ACF roll, bonding structure and display device
Embodiments of the present disclosure provide an anisotropic conductive film and a forming method thereof, an ACF roll, a bonding structure and a display device. The anisotropic conductive film (ACF) includes: an insulating adhesive layer, including a plurality of preset regions corresponding to electrodes to be bonded and spaced from each other; and capsule structures, dispersed in the insulating adhesive layer of the plurality of preset regions and configured to realize a electrical connection in a direction perpendicular to a surface of the ACF when the ACF is subjected to a pressure in the direction perpendicular to the surface of the ACF, wherein a number of the capsule structures in each of the plurality of preset regions is greater than a preset number.