Manufacturing method of casing
A manufacturing method of a casing is provided. First, a plate, a frame and a main shell are provided, wherein the plate has an adhering region and at least one thermal fusion region, and the frame has a first surface and a second surface opposite to each other. Then, the plate is stacked on the first surface of the frame, wherein the thermal fusion region is overlapped with the frame, and the adhering region is not overlapped with the frame. The main shell is adhered to the adhering region of the plate and the second surface of the frame. The thermal fusion region is fixed to the frame by thermal fusion. In addition, a casing manufactured through the above-mentioned method is also provided.
Case for fixing circuit board and power supply
The invention provides a case for fixing a circuit board, including a plate body and an edge-bent component. The edge-bent component includes a first bent plate and a second bent plate respectively formed by extending and bending a side plate of the plate body inward. A fixing region that fits a thickness of the circuit board and fixes the circuit board in a first direction is formed between the first bent plate and the second bent plate. According to the invention, the circuit board is fixed by the bent plates formed by bending the case inward. The invention further provides a power supply, including the case for fixing the circuit board, the circuit board, and a circuit component. The circuit board is mounted in the fixing region to restrict movement of the circuit board in the first direction.
According to an aspect, a display device includes: a display panel; a housing; a printed circuit board; a boss that penetrates a first through hole in the printed circuit board and protrudes from a surface of the housing, the surface being attached to the printed circuit board; a shield cover; and a male screw. The shield cover includes: a top plate; side plates; and a contact piece formed by folding a part of one of the side plates inward and including a protrusion in contact with a ground pattern of the printed circuit board and a claw facing the top plate. The protrusion causes the claw to protrude toward the printed circuit board. The male screw is fastened to the boss from the outside of the top plate.
Integral metallic joint based on electrodeposition
An electronic assembly, including an encasement joined from at least two casing parts, wherein at least one gap region between two mutually adjoining casing parts is hermetically sealed by a metal layer that is electrodeposited onto the sections of the adjoining casing parts abutting the gap region and bridges the gap region.
Electromagnetic interference filter for implanted electronics
An electromagnetic interference filter for various electronic devices such as implantable medical devices is provided. A plurality of signal electrodes can be configured in an array, where each signal electrode extends vertically from a top surface to a bottom surface of the filter such that the signal electrodes are flush with the top and bottom surface. Ground or common electrodes can have a parallel arrangement and be interposed between the signal electrodes. The ground electrodes can be grounded internally, externally, or both internally and externally. Dielectric material can be disposed between signal electrodes and ground electrodes to act as an insulator between adjacent electrodes.
Air handling unit intake air preheat system and method
A preheat damper preheats ambient air being directed to an air handling unit of a data center to mitigate ice accumulation caused by the ambient air. The ambient air can be preheated upstream of a mist eliminator, which removes moisture from the ambient air upstream of the air handling unit, to mitigate ice accumulation in the mist eliminator. The preheat damper directs exhaust air from an exhaust air plenum. The preheat damper can be adjusted based on the ambient temperature, and can be upstream of a return damper which directs exhaust air from the exhaust air plenum based on characteristics of the cooling air supplied to cool data center equipment. The return damper can be adjusted in counter-opposition with one or more intake dampers to maintain cooling air characteristics, and concurrently with the preheat damper to direct ambient air to the air handling unit through the exhaust air plenum.
Electronic device having active heat dissipation
An electronic device having active heat dissipation includes a wiring board, a semiconductor package unit, a surrounding unit, a fan module and a tube member. The semiconductor package unit is soldered to the wiring board through three-dimensional contacts. The surrounding unit is connected to the wiring board and the semiconductor package unit, and surrounds the three-dimensional contacts, such that a heat exchange space is collectively defined by the surrounding unit, the wiring board and the semiconductor package unit. The surrounding unit is provided with two openings which are in communication with the heat exchange space. The fan module is located outside the heat exchange space, and is connected to one of the openings.
Deployable barrier for data center
Deployable barriers are reversibly deployed in a data center hall to partition the data center. The hall is partitioned into an operational area, where rack computer systems are installed, a non-operational area, and a staging area where support infrastructure is at least partially installed. A barrier can be collapsed to incorporate the staging area into the operational area, thereby expanding the operational area, when rack computer systems are to be installed in the staging area. A barrier deployed in the non-operational area establishes another staging area. A barrier includes a deployment mechanism which extends through a space in the data center to enable a partition to be extended to partition the hall. The barrier can be mounted and deployed on support infrastructure, so that the deployed barrier and a side portion of the support infrastructure collectively partition the hall.
A cabling module is configured for use within an IT component, the cabling module including an enclosure assembly configured to be received within the IT component. An input connector is configured to receive electrical power from within the IT component. A plurality of output connectors are configured to provide electrical power to a plurality of subcomponents of the IT component.
Chassis drawer for modular information handling resources
A mechanical assembly in a drawer may include a handle rotationally coupled to a cover and configured to rotate between a closed position and an open position relative to the cover. The mechanical assembly may also include a spring latch mechanically coupled to the cover and having a spring force for maintaining the spring latch in a biased position in the absence of mechanical force opposing the spring force, the spring latch having its most significant dimension in a direction perpendicular to a direction of translation of the drawer when the drawer is inserted and removed from a corresponding chassis. The mechanical assembly may further include a cam mechanically coupled to the handle and responsive to rotational motion of the handle such that in the closed position of the handle, the spring latch is in its biased position, and as the handle is rotated between the closed position and the open position, the cam causes the spring latch to deflect from its biased position in a direction perpendicular to the direction of translation.
Method of manufacturing a device module
The invention provides a device module that can be manufactured with a die. The device module includes a plastic part, a device, a holder, and an external connection. The device is embedded in the plastic part. The holder is embedded in the plastic part and includes an exposed portion exposed from the plastic part in a thickness direction of the plastic part in such a manner as to close a housing recess of the die. The external connection is connected to the device and partially fixed to the holder. The external connection includes a lead-out portion insertable in the housing recess of the die. The lead-out portion is embedded in the plastic part and being led out of the plastic part in the thickness direction. Alternatively, the lead-out portion is led through and out of the holder in the thickness direction.
Component mount board
A component mount board includes a resin board, an electronic component, and a molding resin. A land conductor is provided in the resin board. The electronic component is mounted on a surface of the resin board, and includes a mounting terminal that is bonded to the land conductor. The resin board includes a body resin portion including the land conductor provided on a surface thereof, and a surface resin layer disposed on a surface of the body resin portion and made of a material of the same type as that of the body resin portion. A conductor is not provided on a surface of the surface resin layer. The surface resin layer includes a through hole at which the land conductor is exposed from the surface of the resin board. The mounting terminal is bonded to the land conductor via a bonding material filled in the through hole.
Electrical components and methods and systems of manufacturing electrical components
A method of manufacturing an electrical component includes providing an electrically insulating substrate having an outer surface, applying a coated structure on the outer surface and irradiating the coated structure with an electron beam to form an electrical conductor on the substrate. The irradiating may include heating the coating layer to melt the coating layer to form the electrical conductor. The coating layer may have a low binder concentration and a high metal concentration. The irradiating may include vaporizing substantially all the binder leaving a substantially pure metallic layer to form the electrical conductor. The coating layer may be irradiated until non-metallic material of the coating layer is completely removed.
Materials, electronic systems and modes for active and passive transience
The invention provides transient devices, including active and passive devices that electrically and/or physically transform upon application of at least one internal and/or external stimulus. Materials, modeling tools, manufacturing approaches, device designs and system level embodiments of transient electronics are provided.
Apparatus and method for solid state source array design and fabrication
Apparatus for providing pulsed or continuous energy in a process chamber are provided herein. The apparatus may include a base having a plurality of vias formed in a bottom surface of the base, and wherein an electrical connector is disposed in each via, a first metallic layer disposed on a top surface of the base and electrically coupled to the electrical connectors disposed in the plurality of via, and a plurality of solid state light sources disposed on a top surface of the metallic layer and electrically coupled to the metallic layer.
Method for producing a cased electrical component
The invention relates to a cased electrical component comprising a carrier substrate (10), a spring device (20), which is arranged on the carrier substrate (10), a chip (30), which on a first side (31) of the chip is coupled to the spring device (20), and a cover element (100), which is arranged on the carrier substrate (10). The cover element (100) is arranged over the chip (20) such that the cover element (100) is in contact with the chip (30) at least on a second side (32) of the chip, which is different from the first side. The component has a low space requirement and is highly sealed with respect to influences from the surroundings.
Board level shields with adjustable covers
According to various aspects, exemplary embodiments are disclosed of board level shields. In an exemplary embodiment, a board level shield generally includes a cover (or lid) and a fence (or frame or base). The cover is attachable to the fence in a plurality of different positions.
Multifunctional smart home lamp control and security remote control signal receiver
A multifunctional smart home lamp control and security remote control signal receiver is embedded in the ceiling and displays a plurality of lamp control display zones, a sensing display zone, a sound zone, human body sensors and a sensing adjustment zone and/or camera recorders by facing downward so that a user can easily watch the lamp control status or the security displayed by the LED display lamp on the remote control receiver. A rear surface is disposed with an electric zone having a plurality of wire sockets, a fuse zone and an electrifying zone. The electrifying zone is provided for introducing supply mains, and power is provided to a plurality of lamps through the wire sockets of the electric zone to provide the multifunctional smart home lamp control and security remote control signal receiver for simultaneously handing lamp control status and security status in the home life.
Connector for connecting a lamp to a power source
Disclosed is a lamp holder, which includes a front housing, a rear housing detachably connected to one end of the front housing, an end cap detachably connected to the other end of the front housing and a first connecting cap provided in the rear housing for connecting with a lamp, and further includes a compression spring, a conducting sheet and a conducting pole for contacting with an external power source. When one end of the lamp holder is connected with an external lamp socket, the conducting pole can keep a good electrical connection with the external power source due to the action of the compression spring; and when the other end of the lamp holder is connected with the lamp, the resilient sheet can keep a good electrical connection with the lamp due to the resilient sheet.
Outdoor lighting apparatus with short range of very short range communication interface
An outdoor lighting apparatus (1) for fixed installation is described, suitable to be connected to an electric mains to be supplied with mains supply voltage. The lighting apparatus (1) comprises at least one light source (6), a driving circuit (30) of the at least one light source (6). The outdoor lighting apparatus further comprises a control and communication circuit (20), suitable to control the driving circuit (30), comprising a processing and control unit (21), a memory unit (25), and a long-range communication interface (23) suitable to allow the control and communication circuit (20) communicating with a remote control device (60). The outdoor lighting apparatus is further equipped with a short range or very short range communication interface (24) suitable to interface with a communication and/or configuration mobile terminal to allow said mobile terminal accessing the memory unit (25) in writing and/or reading. The short or very short range communication interface (24) facilitates the configuration, maintenance and/or replacement of the electric apparatus (1).
Lighting system with ambient light compensation
A lighting system comprises a plurality of lights, a sensor for measuring a light level associated with each light, and at least one controller for generating a light output from at least one light of the plurality of lights. The controller is adapted for adjusting the light output from the at least one light by an incremental amount to bring the measured light level closer to a target light level, which may correspond to an overall brightness for the space including the lights. Related methods are also disclosed.
Image based lighting control
A method implemented by a communication device for controlling light emitted from a linear lighting device comprising a plurality of linearly distributed controllable light sources, the method comprising: displaying an image on a display of the communication device; receiving an input indicating an area of the image; analyzing the image area to derive a sequence of colors; generating a control signal based on the derived 5 sequence of colors; and transmitting the control signal to the linear lighting device to control the plurality of controllable light sources to emit light in accordance with the derived sequence of colors.
Lighting device LED module with effects for color temperature tuning and color tuning
A lighting device includes one or more LED modules, each of which includes a group of LED sets positioned on a substrate. Each LED set includes two or more sections, optionally under a single lens. Each section is configured to emit light of different luminescent properties, such as different colors or different color temperatures. The color, color temperature or other characteristics of light emitted by the device is controlled by selectively activating the sections of each LED set.
Dynamic power supply for light emitting diode
A voltage control system for an LED operates to dynamically determine and set a minimum permissible voltage on an energy storage device such as a capacitor such that the energy storage device operates at a minimum possible voltage to compensate for component variations and dimming signal variations while maintaining flicker-free operation of the LED.
Backlight unit, display apparatus having the same and operating method of backlight unit
A backlight unit includes: a power converter to generate a light-source power voltage according to a voltage control signal; an LED string connected to the light-source power voltage; a short-circuit detector to receive the light-source power voltage and to enable a short-circuit signal; and a light source controller to generate the voltage control signal to interrupt generation of the light-source power voltage when the short-circuit signal is enabled. The short-circuit detector includes: a voltage divider to divide the light-source power voltage to output a detection voltage; and a comparing circuit to generate a reference voltage corresponding to a voltage level of the detection voltage, to compare the reference voltage with the detection voltage, and to enable the short-circuit signal in accordance with a result of the comparison.
Inductor for induction heating
An inductor is provided for induction heating of deposits of oil sand, oil shale, or extra-heavy oil using current-carrying conductors, in which a partial discharge at interruptions in the conductors is avoided.
System for determining ambient temperature
A mechanism for indicating ambient temperature of an enclosure from temperatures determined within the enclosure. The temperatures may be obtained from two or more sensors at each of two or more locations within the enclosure. The enclosure may include an apparatus inside such as electronics of which power consumption may be determined. Data including temperatures of two locations within the enclosure at various electronics power consumption levels may be entered into a 2-D plot. An approximation of the 2-D plot may be effected with an appropriate equation to be solved for ambient temperature. The data of the 2-D plot plus temperatures of a third location and air flow levels in the enclosure may be entered into a 3-D plot. An approximation of the 3-D plot may be effected with an appropriate equation to be solved for ambient temperature.
Communications system for speech communication
A method and a communications system for speech communication includes a plurality of workstations and a plurality of radio transmission devices and radio receiving devices. There are control units in the signal path between the workstations and the radio transmission devices and the radio receiving devices. The control units select the speech signals of one of the workstations according to predetermined or predeterminable criteria when there is a simultaneous plurality of operating signals of a plurality of workstations, or overlap the speech signals of a plurality of workstations according to predefined criteria, and transmit the speech signal thus obtained, chosen or overlapped for sending on the radio transmission device. Further, the control units transmit a receiving signal to the workstations connected thereto when the speech signals transmitted from the radio receiving unit are present, and transfer the speech signals to said workstations.
Method and apparatus for canceling triggered prose BSR in wireless communication system
A method and apparatus for canceling a proximity-based services (ProSe) buffer status report (BSR) in a wireless communication system is provided. A user equipment (UE) triggers at least one ProSe BSR, and cancels all triggered ProSe BSRs when one of events occur. The one of events may include that a physical layer problem or a radio link failure is detected. Further, during canceling all triggered ProSe BSRs, all pending scheduling requests (SRs) may not be canceled.
Method and apparatus for transmitting a handover report and an RLF report
A method for transmitting a handover report and for transmitting a radio link failure (RLF) report are provided. The method includes obtaining, by a target base station, at least one of location information of a source cell or location information of a user equipment (UE) history cell during a handover procedure, and transmitting, by the target base station, the handover report to at least one of a source base station or to a base station where the UE history cell is located, according to the obtained at least one of location information of the source cell or the location information of the UE history cell, wherein the handover report including at least one of an unnecessary handover report, a too early handover report, or a handover to wrong cell report.
Data packet processing method and device
Provided are a data packet processing method and device, which are used for solving the problem of how to process a PDCP SDU data packet of a split bearer in the process of normally transmitting the PDCP SDU data packets of the split bearer based on a bearer splitting scenario and when an auxiliary eNB providing a service for the split bearer changes, thereby increasing the working efficiency of aggregating eNBs and the utilization rate of resources. The method of the present application comprises: determining transmission information about each packet data convergence protocol (PDCP) service data unit (SDU) data packet of a bearer in a bearer splitting scenario which is being transmitted; and processing the data packet according to the transmission information about each data packet.
Handling of proximity services device to device related identities at radio access network level
Handling of related identities may be valuable in communication systems. More particularly, in areas such as long term evolution advanced (LTE-A) proximity services (ProSe), it may be useful to provide for handling of ProSe device to device (D2D) related identities at the radio access network (RAN) level. A method can include deriving an initial layer one identifier corresponding to a target user equipment or group. The method can also include determining whether the initial layer one identifier collides with another layer one identifier corresponding to a different target user equipment or group. The method can further include communicating with the target user equipment or group based on the determination of whether the initial layer one identifier collides with another layer one identifier in use.
Apparatus, method and computer program product providing simultaneous radio resource and service requests
A method includes, at a user equipment, combining a message requesting the radio resource connection and a message requesting at least one service into a single message. The single message is transmitted from the user equipment to a network element in a wireless network. Another method includes receiving, from a user equipment, a single message including both a message requesting a radio resource connection and a message requesting at least one service. In response to the message requesting radio resource connection, performing radio resource control connection establishment for the user equipment in order to establish the radio resource control connection between the user equipment and at least one of a plurality of network elements of a wireless network. In response to the message requesting at least one service, performing service request procedures for the user equipment, wherein at least part of the radio resource control connection establishment and at least part of the service request procedures are performed in parallel.
Communication control device providing communication services via a plurality of communication paths
There is provided a communication control device including a communication path selecting unit that selects one or more wireless communication paths by which a wireless communication terminal performing communication using two or more wireless communication paths and a processing executing device executing processing for providing a communication service to the wireless communication terminal communicate with each other and a communication setting control unit that performs setting such that, when a plurality of wireless communication paths are selected, communication is performed between at least one processing executing device corresponding to the plurality of selected wireless communication paths and the wireless communication terminal, using the plurality of wireless communication paths.
Methods for random access in a wireless network
A station performs a random access (RA) communication by i) receiving a trigger frame, ii) determining, using information in one or more per-station information parts of the trigger frame, that one or more resource units (RUs) of a response transmission are allocated to RA, iii) selecting a selected RU from the one or more RUs allocated to RA, and iv) in response to receiving the trigger frame, performing the RA communication using the selected RU of the response transmission. In some cases, the station may transmit a data unit associated with an Access Category (AC) as part of the RA communication, receive an acknowledgement frame corresponding to the data unit, and in response to receiving the acknowledgement frame, resume a backoff counter countdown associated with the AC.
PRACH selection in combined radio cell deployments
This disclosure relates to PRACH configuration selection in combined radio cell deployments. According to one example embodiment, a network node establishes (220) a plurality of different PRACH configurations. Each PRACH configuration is generally mapped to a respective radio unit of the several radio units of the combined radio cell. Also, the network node determines (230) a location of at least one wireless communication device. In dependence of the determined location of the at least one wireless communication device, the network node further selects (240) a set of PRACH configurations that is available for the at least one wireless communication device. Moreover, the network node transmits (250) a radio signal comprising information about the set of PRACH configurations that is available for the at least one wireless communication device.
Scheduling grant control method, user equipment, and network device
A scheduling grant control method, user equipment, and a network device are disclosed. The method includes: receiving grant information sent by a network device, where the grant information indicates a grant value of data transmission on an uplink data channel by user equipment; determining an effectively starting moment of the grant information according to the grant value and a reception moment at which the grant information is received; and adjusting, on the uplink data channel and based on the grant value, transmission of the data at the effectively starting moment. Based on the foregoing technical solutions, in the scheduling grant control method in embodiments of the present invention, after receiving grant information, UE may flexibly select different effectively starting moments according to different grant information.
Dynamic modulation and transport block size selection based on retransmission frequency
Disclosed is a method and system for dynamically adjusting modulation and encoding scheme (MCS) and transport block size (TBS) used for downlink transmissions from a base station (BS) to a user equipment device (UE) based on a frequency of retransmission requests from the UE. The BS may identify the UE as belonging to a first class of UEs designated as being capable of receiving data at a first data rate that is higher than a second data rate designated for UEs of a second class, for the same downlink channel quality reported by the UE. Based on the identification, the BS may select a MCS and TBS for the UE corresponding to the first data rate. Upon receiving more than a threshold number of retransmission requests from the UE, the BS may switch to using the second, lower data rate. The first and second classes could correspond to later and earlier technology generations, for example.
Terminal scheduling method, station, and terminal
Embodiments of the present invention relate to a terminal scheduling method, a station, and a terminal. The method includes: sending, by a first station, a first notification message to a first terminal that is also in a first service set, where the first notification message is used to instruct the first terminal to send a sounding signal; receiving, by the first station, mutual interference information sent by a second terminal, where the mutual interference information includes a signal parameter value used to represent that signal interference is generated between the second terminal and the first terminal and identifier information used to determine the first terminal that sends the sounding signal, and the mutual interference information is sent if the second terminal obtains the sounding signal by means of listening; and performing, by the first station, scheduling processing on the first terminal and the second terminal according to the signal parameter value and the identifier information.
System and methods for MAC layer scheduling in wireless communication networks
In one example embodiment, a network control node includes a memory having computer-readable instruction stored therein, and a processor. The processor configured to execute the computer-readable instructions to identify a plurality of schedulable user equipment (UE), each of the plurality of schedulable UEs having a corresponding priority value, determine whether to compute a new priority value for each of the plurality of schedulable UEs, assign a resource block to one of the plurality of schedulable user equipment based on the determining, and inform the one of the plurality of schedulable user equipment of the assigned resource block, to be used for data transmission.
Group call method and device
Embodiments of the present invention provide a group call method and device. The method includes: configuring a group context for a user equipment according to channel resource information or according to network side capability information and channel resource information; sending a message carrying a group call parameter in the group context to the user equipment, where the group call parameter is used to receive a group call message and send a response; sending a group call message to the user equipment according to the group context; and receiving a response, to the group call message, sent by the user equipment according to the group call parameter.
Radio station and method of processing user data with radio station
A radio station (1) includes a first part (1A) and at least one second part (1B). The second part (1B) can be arranged so as to be physically separated from the first part (1A) and is connected to the first part (1A) via a transmission line (40) so as to be able to communicate with the first part (1A). The first part (1A) includes a bearer termination unit (10) capable of terminating at least one bearer between an upper network and the radio station (1). The second part (1B) includes a physical layer signal processing unit (12) that performs physical layer signal processing. The physical layer signal processing includes channel coding and decoding for user data pertaining to a first mobile station connected to the second part (1B) among a plurality of mobile stations.
Communication system, base station, and base-station control method
A communication system includes a first base station that forms a first coverage area, and a second base station that forms a second coverage area different from the first coverage area and uses a same as a radio resource to be used by the first base station, wherein the second base station determines a number of assignment streams at the second base station in the radio resource, computes a number of interference signals removable by the second base station in the radio resource based on a number of receiving antennas included in the second base station and the number of assignment streams, and notifies the first base station of the number of interference signals in the radio resource, and the first base station determines a number of assignment streams at the first base station in the radio resource by using the number of interference signals as an upper limit.
Network node, wireless device, methods therein, computer programs and computer-readable mediums comprising the computer programs, for adapting and adopting, respectively, an allocation of radio resources
A method performed by a network node for adapting an allocation of radio resources to at least one wireless device for D2D communications. The at least one wireless device is located in a cell served by the network node. The network node obtains a measurement of interference level on allocated D2D radio resources to the at least one wireless device. The network node also adapts the allocation of radio resources for D2D communications, based on the obtained measurement.
Method for managing the spectrum of a multi-band wireless communication system
System and method for managing the spectrum of a multi-channel wireless communication system. Information related to other channels and bands is exchanged between a client associated to a first channel of the multi-channel wireless communication system and a multi-channel access point. The information includes, inter alia, capabilities of the access point and the client, working channel information of the access point, link quality metrics of the client in the other bands etc.
Determining wireless network availability for connected vehicles
A more efficient network can be achieved using over the air (OTA) software updates for connected vehicles. Based on a connected vehicles batter power, OTA updates can be performed in accordance with base station devices while the base station devices are not at or near a capacity. Other factors that can determine when and where an OTA software push is performed can comprise vehicle speed, base station communication range, traffic density, etc. Analysis of historical route data for vehicles and historical capacity data for base station devices can also help facilitate determining a wireless network availability for connected vehicles.
Arrangements for association and re-association in a wireless network
A method is disclosed for associating network devices to a network. The method can include receiving a beacon from a source by an antenna array, allocating resources to beamform and beamforming after receiving at least a portion of the beacon. The beamforming can be accomplished prior to completion of an association request and prior to receipt of an acceptance signal in response to the association request. Accordingly directional transmissions can be utilized transmit at least part of an association request and to transmit an acceptance signal corresponding to the association request.
System and method for beamformed reference signals in three dimensional multiple input multiple output communications systems
A method for operating a transmission point includes transmitting a plurality of first directional reference signals and a plurality of second directional reference signals, the plurality of first directional reference signals sweeping different first beams in a first plane and the plurality of second directional reference signals sweeping different first beams of the first plane, and receiving from a reception point, a request for the transmission point to commence operations in the second plane and a first feedback from a reception point, the first feedback indicating at least one first beam of the first plane and at least one beam group of the second plane, where measurements of the at least one first beam and the at least one beam group of the second plane satisfy a first selection criterion.
Channel selection method and transmit end
Embodiments provide a channel selection method and a transmit end, and the method includes: ranking multiple channels, and generating a backoff count value; sequentially decrementing, from an initial timeslot, the backoff count value in each timeslot according to a ranking sequence of the channels and busy/idle states of all the channels until the backoff count value is 0; and selecting, from the multiple channels according to a result of the decrement performed on the backoff count value and a busy/idle state of at least one of the multiple channels, a channel that is used by the transmit end for sending data. The method and the transmit end can improve channel utilization.
Method for arranging transmissions on a downlink carrier
A method is provided for arranging transmissions on a downlink carrier c, spanning a frequency range Fc, in a mobile radio communications system, wherein a bandwidth of Fc belongs to a set of predefined channel bandwidths in the communications system, and wherein the carrier c comprises a reference signal defined in the communications system. A configurable frequency range FRS comprising a set of time-frequency resources for comprising the reference signal of the carrier c is provided. Information associated with the configuration of said frequency range FRS is signaled to a receiver in the communications system, such that c can be deployed over a frequency range F smaller than Fc when the frequency range FRS is configured within F and any other transmissions on the carrier c are arranged to be within F.
Network termination and methods for use therewith
Aspects of the subject disclosure may include, for example, a repeater device having a first coupler to extract downstream channel signals from first guided electromagnetic waves bound to a transmission medium of a guided wave communication system. An amplifier amplifies the downstream channel signals to generate amplified downstream channel signals. A channel selection filter selects one or more of the amplified downstream channel signals to wirelessly transmit to the at least one client device via an antenna. A second coupler guides the amplified downstream channel signals to the transmission medium of the guided wave communication system to propagate as second guided electromagnetic waves. Other embodiments are disclosed.
Terminal device, base station device, communication method, and integrated circuit
A terminal device includes a transmission unit configured to transmit capability information, and channel state information (CSI) in a certain subframe. The capability information includes information used to indicate the number of first CSI processes supported by the terminal device in multiple serving cells, and information used to indicate the number of second CSI processes supported by the terminal device in one serving cell.
Reception apparatus and method for receiving reference signal
It is an object to provide a sequence allocating method that, while maintaining the number of Zadoff-Chu sequences to compose a sequence group, is configured to make it possible to reduce correlations between different sequential groups. This method includes the steps of setting a standard sequence with a standard sequence length (Nb) and a standard sequence number (rb) in a step (ST101), setting a threshold value (Xth(m)) in accordance with an RB number (m) in a step (ST103), setting a sequence length (N) corresponding to RB number (m) in a step (ST104), judging whether ¦r/N−rb/Nb¦=Xth(m) is satisfied in a step (ST106), including a plurality of Zadoff-Chu sequences with a sequence number (r) and a sequence length (N) in a sequence group (rb) in a step (ST107) if the judgment is positive, and allocating the sequence group (rb) to the same cell in a step (ST112).
Method and apparatus for transport block signaling in a wireless communication system
User equipment determines a transport block size column indicator representative of a number of resource blocks based on a number of allocated resource blocks, an adjustment factor, and a limiting factor. The transport block size column indicator is determined by applying the adjustment factor to the number of allocated resource blocks and comparing a result of applying the adjustment factor to the number of allocated resource blocks to the limiting factor. The transport block size column indicator is selected as either the result or the limiting factor as the based on the comparison.
Assigning a subset of access points in a wireless network to a high priority
Example method includes: determining, by a network device, a plurality of client devices' locations within a wireless network; assigning the plurality of client devices into a number of clusters; calculating an original cluster centroid location for each cluster of client devices; calculating an average distance between each client device in a particular cluster and the original cluster centroid location for the particular cluster; iteratively adjusting the number of clusters and assignment of the plurality of client devices to determine the number of clusters associated with a low number of cluster and a low average distance from each client device in a respective cluster to a respective cluster centroid location; and assigning a subset of access points in the wireless network to a high priority, each AP in the subset having the closest distance to the respective cluster centroid location corresponding to the determined number of clusters.
Control plane location solution to support wireless access
Techniques for supporting a control plane solution for location services and positioning are described. In an aspect, an Evolved Serving Mobile Location Center (E-SMLC) may communicate with a Mobility Management Entity (MME) to support location services and positioning for a UE. In one design, the E-SMLC may receive a location request from the MME, perform a positioning procedure with the UE in response to the location request, and send a location response to the MME after completing the positioning procedure. For a UE-assisted or UE-based positioning procedure, the E-SMLC may send a downlink positioning message to the UE via the MME and may receive an uplink positioning message from the UE via the MME. For a network-based positioning procedure, the E-SMLC may send a network positioning request message to an eNB via the MME and may receive a network positioning response message from the eNB via the MME.
Handover during carrier aggregation operation in wireless communication network
Methods for performing handovers and addition of carriers during carrier aggregation operation are described. A mobile station can indicate failure to perform downlink synchronization to some but not all cells of a target eNB, in response to a handover command. The mobile station can activate carriers based on various combinations of transmission of random access preambles, reception of random access response messages and transmission of handover complete messages. A base station can activate carriers based on various combinations of reception of random access preambles, transmission of random access response messages and reception of handover complete messages.
Power headroom transmission in a licensed assisted access cell
A wireless device receives, in a first subframe, a first DCI comprising: a first field indicating an assignment of resource blocks for transmissions via an uplink subframe of an LAA cell; and a first trigger indicating that the first DCI is triggered in response to a second DCI indicating a second trigger. Timing of the uplink subframe is determined based at least on the second DCI. Power headroom values of a reference subframe for transmission via the resource blocks of the uplink subframe of the LAA cell are determined. The reference subframe is different from the uplink subframe. The reference subframe is a subframe after a predetermined number of subframes from the first subframe. A second DCI is received. A transport block comprising a power headroom report comprising the power headroom values of the reference subframe is transmitted, via the uplink subframe of the LAA cell.
Wireless communication apparatus with transmission power control
There is provided a wireless communication apparatus and wireless communication method, which can perform information transfer, while suppressing interference to other terminal stations, and preventing a reduction of a transmission opportunity of other terminal stations. By causing the transmission power to be reduced, at the time when a traffic amount to be transmitted and received by itself increases, a terminal station which performs wireless access based on CSMA on a mesh network can suppress interference to other surrounding terminal stations, and can prevent a reduction of a transmission opportunity of other terminal stations. By measuring the number of and sizes of packets to be transmitted and received, it is possible for a terminal station to comprehend the traffic amount to be transmitted and received by itself, and perform a control of the transmission power by this.
Method and apparatus for broadcast information transmission
Internet, voice calls, and messaging services have become ubiquitous and the means by which the services are accessed varies widely. The number and types of devices that may use these services have also proliferated. To serve a number and variety of client devices, a mobile Hotspot may be used, which is a device that may include a modem for mobile broadband access and a short range wireless link to distribute the services to local devices which may have such connectivity. Power consumption of battery powered client devices is an important consideration. A method and apparatus are disclosed that enable a client device to receive broadcast information about the mobile networks from a mobile Hotspot over a short range wireless link which may reduce power consumption of client devices.
Cell selection and reselection for low cost machine-type communication UE
Methods and apparatus are provided for low cost machine communication type (LC-MTC) devices for cell selection and cell reselection. In one novel aspect, the LC-MTC UE determines whether the cell is capable of supporting LC-MTC. If the LC-MTC UE determines that LC-MTC is not supported by the cell, the LC-MTC UE considers the cell as barred. The LC-MTC support capability information is provided to the LC-MTC UE in the system information, or in the RRC Connection Release message, or by inheriting from another RAT during the inter-RAT cell (re)selection. The LC-MTC support capability information is indicated per cell or per frequency. In another novel aspect, the LC-MTC UE acquires LC-MTC support capability information of neighbor cells and performs cell reselection based on the LC-MTC support capability information. In one embodiment, the LC-MTC support capability information of neighbor cells is provided in the system information of the serving cell.
Mobile device position determination using non-dedicated-frequency nodes
A method includes: receiving, at a mobile device configured for communication using a communication protocol associated with a dedicated frequency band, a first inbound signal from a first node, the first inbound signal having a format in accordance with the communication protocol and having a first frequency that is outside the dedicated frequency band; receiving a second inbound signal, from a second node, having a same format in accordance with the communication protocol as the first inbound signal and having a second frequency in the dedicated frequency band; determining location information for the first node using the first inbound signal; and sending an outbound signal to a location server, the outbound signal including the location information for the first node and a node identifier of the second node, the outbound signal being formatted according to the communication protocol and having a frequency in the dedicated frequency band.
Determining suitability of an access network
A mobile terminal for use in a communication system comprising a first, packet-based network and a plurality of wireless access networks providing access to the first network. The mobile terminal comprises: one or more transceivers for connecting to the wireless access networks; and processing apparatus coupled to the one or more transceivers, operable to communicate with the first network by forming connections with the access networks using the one or more transceivers. The processing apparatus is configured to access a database recording motion information relating to motion of connection points of the wireless access networks; and the processing apparatus is further configured to determine one of the wireless access networks for use in accessing the first network, in dependence on the motion information accessed from the database relating to one or more of the wireless access networks.
Network switching method and device
Disclosed are a network switching method and device, the method comprising: a UE acquires a preset non-3GPP network performance parameter switching threshold, and acquires a network performance parameter when the UE is in a non-3GPP network; and when the UE determines that the network performance parameter reaches the preset network performance parameter switching threshold, switching the non-3GPP network to a 3GPP network. The technical solution of the present invention compares the monitored network performance parameter of a non-3GPP network with a preset non-3GPP network performance parameter switching threshold, and can switch a service accessing a non-3GPP network and used by a UE from the non-3GPP network to a 3GPP network according to the comparison result, thus avoiding the problem of a UE dropping calls caused by the reduced communication quality of a non-3GPP network, and effectively improving UE communication quality.
AP handover method in industrial mobile network based on double wireless network interface cards
The present invention provides an AP handover method based on double wireless network interface cards. A mobile terminal actively scans the signal strength of an AP, compares the scanned signal strength with the signal strength of a currently accessed AP, and if the signal strength is greater than the signal strength of the current AP, starts handover; otherwise, continuously scans till the handover succeeds. To reduce the handover delay and in accordance with the characteristic that the moving paths are basically fixed in industrial application scenarios, the present invention provides a pre-learning mechanism, that is, before formal application, information such as the location of the AP and the handover sequence in the application scenario is learned and stored in a terminal node, so that specific scanning and handover can be implemented in formal application. The present invention solves the problem of rapid AP handover in the industrial mobile network scenario, the double wireless network interface cards are used to achieve handover without interruption, and the pre-learning mechanism is used in specific industrial application scenarios, so the scanning delay is further reduced.
Cross radio access technology handoff using caching
Disclosed herein are system, apparatus, article of manufacture, method and/or computer program product embodiments for handing off wireless communication. The apparatus comprises an antenna configured to receive data from a first access point; a cache configured to store the data; and a controller configured to predict when the transceiver will hand off a connection from the first access point to a second access point and request a burst of data from the first access point to supplement the data in the cache in preparation for the hand off.
Dynamic channel bandwidth selection based on information for packets transmitted at different channel bandwidths
The present disclosure discloses a method and network device for dynamic channel bandwidth selection in a wireless local area network. Specifically, a network device obtains information corresponding to a first set of packets transmitted on one or more of a plurality of channel bandwidths over a first period of time. Based on the information, the network device selects a particular channel bandwidth, of the plurality of channel bandwidths, for transmitting a second set of packets; and transmits the second set of packets at the particular channel bandwidth. Additionally, based on the information, the network device can dynamically select a number of packets, from a second set of packets, to queue at hardware components with channel bandwidth selection for transmission by the hardware components; and can queue the selected number of packets at the hardware components with channel bandwidth selection.
Listen-before-talk reservation scheme for wireless communications over unlicensed spectrum
Methods and apparatuses are described in which an unlicensed spectrum is used for Long Term Evolution (LTE) communications. A first method includes synchronizing clear channel assessment (CCA) slots across a plurality of base stations to determine availability of an unlicensed spectrum for transmissions in a next transmission interval. A second method includes performing a CCA during one of a plurality of CCA slots synchronized across a plurality of evolved Node Bs (eNBs) to determine availability of unlicensed spectrum for transmissions in a next transmission interval.
Communication apparatus, communication method, and communication system
A physical frame is constructed, the physical frame including a medium access control super-frame payload which in turn includes a plurality of medium access control frames. With respect to the constructed physical frame, virtual carrier sense information is set in the plurality of medium access control frame so that a result of carrier sense is identical to another by virtual carrier sense based on the plurality of medium access control frames in the medium access control super-frame payload. The physical frame in which the virtual carrier sense information has been set is transmitted to a destined communication apparatus.
Systems, methods, and devices for coexistence of heterogeneous bandwidth communications
Communication devices and techniques for facilitating coexistence between networks operating at different bandwidths are described. In one embodiment, for example, an apparatus may include at least one memory and logic for a narrowband communication device, at least a portion of the logic comprised in hardware coupled to the at least one memory and the at least one wireless transmitter, the logic to determine a wideband preamble, determine a narrowband packet comprising a narrowband preamble and a narrowband packet data portion, and generate a binary-preamble packet comprising the wideband preamble and the narrowband packet. Other embodiments are described and claimed.
Channel reservation method and communications device
The present invention discloses a channel reservation method and a communications device. The method includes: generating, by a first device, a first indication frame, where the first indication frame is used for indicating a moment at which a second device sends a channel reservation frame, and the channel reservation frame is used for reserving a channel to be used when the first device sends data to the second device; and sending, by the first device, the first indication frame to multiple second devices. In the channel reservation method, a sender device in a data transmission process indicates a moment at which a receiver device sends a channel reservation frame, so that multiple receiver devices in the data transmission process send channel reservation frames at the same time, which avoids contention between the receiver devices in current data transmission, thereby reducing a collision probability, and reducing system overheads.
Mobile application traffic optimization
A system with distributed proxy for reducing traffic in a wireless network satisfies data requests made by a mobile application. The system includes a mobile device having a local proxy for intercepting a data request made by the mobile application. The local proxy simulates application server responses for the mobile application on the mobile device for data requests where responses are available in the local cache. A proxy server is coupled to the mobile device and an application server to which the data request is made. The proxy server is able to communicate with the local proxy. The local proxy forwards the data request to the proxy server for transmission to the application server for a response to the data request. The proxy server queries the application server for any changes to the data request that the mobile application has previously made and notifies the local proxy of such changes.
Congestion mitigation based on user device and base station condition information
A device may receive, from a user device and via a base station, a request to access a resource associated with a server device. The device may determine first condition information associated with the user device, and may determine second condition information associated with the base station. The device may determine one or more actions to be performed based on at least one of the first condition information or the second condition information. The device may perform, in association with a first flow or a second flow, the one or more actions. The first flow may be associated with the device and the user device, and the second flow may be associated with the device and the server device.
Method and system for user experience event processing and analysis
A method and system for user experience event processing and analysis are provided. In one embodiment, a method is provided comprising: receiving a recorded video of a display of the host device and a reference video; comparing the recorded video with the reference video to identify differences, wherein the recorded video and the reference video are synchronized based on content rather than time; receiving data indicating activity of a storage device of the host device; correlating the differences with the data indicating activity of the storage device; and generating an analysis of the correlation. Other embodiments are possible, and each of the embodiments can be used alone or together in combination.
Antenna control method and non-transitory computer-readable medium thereof
An antenna control method for controlling an antenna device to switch between a plurality of beams. The antenna control method includes the steps of: (a) using the beams for communication one after another, and performing a scanning process on each of the beams, so as to retrieve a communication quality parameter; (b) comparing all of the communication quality parameters with each other, and selecting one of the beams as a main communication beam, wherein the selected beam has the best communication quality parameter; (c) performing a saturation determination process on the main communication beam; and (d) when the main communication beam causes saturation of a power amplifier, switching to another beam which is adjacent to the main communication beam as a substitute communication beam.
Method and apparatus for managing device using at least one sensor
The present disclosure relates to a sensor network, Machine Type Communication (MTC), Machine-to-Machine (M2M) communication, and technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services.A method of managing an electronic device is provided, which includes determining a management target device, selecting at least one measurement device based on the determined management target device, transmitting an operation command to the management target device, receiving measurement information from the at least one measurement device, and determining a state of the management target device based on the received measurement information.
Method for performing measurement and device using same
Provided are a method for performing measurement in a wireless communication system and a device using the same. The device receives a discovery reference signal (DRS) in a subframe designated from a target cell, and performs a measurement on the basis of the DRS. An antenna port of the DRS is determined from antenna ports of a cell-specific reference signal (CRS) transmitted by the target cell.
CSI measurement under coverage enhancements in LTE
Methods and systems are disclosed for determining channel state information (CSI) when received uplink grants occupy a plurality of subframes and include a transmission time interval (TTI) bundle. Based at least in part on a configuration of the received TTI bundle, one or more subframes may be identified as CSI reference subframes to be used for CSI measurement. The CSI reference subframes may correspond to subframes or sub-bands used by the received uplink grant, or may be a predefined number of subframes before a CSI data transmission.
Binding an authenticated user with a wireless device
Methods, systems and apparatus for binding an authenticated user with a wireless device are disclosed. One method includes receiving local environment information from the wireless device, receiving local information from a computing device of the authenticated user, comparing the local environment information of the wireless device with the local information of the computing device, binding the wireless device with the computing device based on the comparison of the local environment information of the wireless device with the local information of the computing device, and communicating information to a wireless device cloud management system that indicates that the binding between the wireless device and the computing device has occurred.
Attaching visible networks for synchronous local search results
Aspects of the technology employ an integrated location identification and query processing technique. Network scan information is attached to or otherwise combined with a query at a client device and is sent to a web server or other entity for processing. When a query is initiated, the client device determines whether location services are enabled. If not, upon authorization they are enabled and visible network scan data is quickly obtained for transmission with the query. The server may include both a location identification service and a search service, and can split the received information accordingly among these elements in an efficient manner that minimizes data transfers and latency. From the client device's perspective, only one query is transmitted. Relevant results based on the resolved location are received quickly by the client device. This reduces system latency and power consumption, and also minimizes network overhead by eliminating unnecessary packet transmissions.
Control server in a communication network
A control server includes: a communication interface for receiving a first identification of a first electronic subscriber identification module and/or a second identification of a second electronic subscriber identification module; and a processor, configured to assign a first partial data volume of the data volume to the first electronic subscriber identification module and/or a second partial data volume of the data volume to the second electronic subscriber identification module according to an electronic distribution rule.
Method of and system for providing a multi-IMSI solution in an operating mobile network
According to a first aspect of the invention there is provided a method of providing a multi-IMSI solution for a subscriber having a mobile device in an operating mobile network, the mobile device being fitted with a SIM card having an IMSI and a baseband component, the mobile device comprising a corresponding baseband processor to enable the SIM card to communicate with a home network, run by a home network operator, related to the IMSI via the baseband processor. The method comprises fitting a SIM card overlay to the SIM card, the overlay acting as a proxy between the SIM card and the mobile device's baseband processor, the overlay comprising a primary (“pilot”) sponsor IMSI that is related to a sponsor network, run by a sponsor network operator, with a temporary activation Ki, determining when the mobile device has roamed out of the home network and into a foreign network having an agreement with a sponsor network associated with the sponsor IMSI.
Electronic device and method of operating same
An electronic device and a method of operating the same may include: detecting mounting of a first external device through first short range communication, outputting a first object corresponding to the first external device, detecting an approach of a second external device through second short range communication, and outputting a second object corresponding to the second external device.
Physically secure digital signal processing for blind differentially-spread wireless M2M networks
A method and apparatus for physically secure communication over machine-to-machine (M2M) networks is claimed, through the use of frequency-hop and random access spread spectrum modulation formats employing using truly random spreading codes and time/frequency hopping and receiver selection strategies at the transmitters in the M2M network, blind signal detection and linear signal separation techniques at the receivers in the M2M network, completely eliminating the ability for an adversary to predict and override M2M transmissions. Additional physical security protocols are also introduced that allow the network to easily detect and identify spoofing transmissions on uplinks and downlinks, and to automatically excise those transmissions as part of the despreading procedure, even if those transmissions are received at a much higher power level than the intended transmissions. Extensions to weakly and strongly macrodiverse networks are also described, which provide additional efficiency and security improvements by exploiting the route diversity of the network.
Network detection for content synchronization and reporting
The present invention utilizes an application which is loaded onto the mobile devices of attendees who will be attending festivals, concerts, etc, where the large crowds attending the event will create wireless and mobile network congestion. The application will be preloaded with a plurality of presentations which the presenter will utilize during the event to enhance the experience for the attendee. Each presentation will have a triggering mechanism encoded in the app which will initiate the presentation to begin and will synchronize the presentation on the phone with event. In addition to displaying preloaded presentations to the attendees at crowded events, the application can also track the activities of the attendees at the event to see what portions of the events they attended and when, and display real time text messages on the screen of the phone.
Covert transmission of an assistance request message from a wearable device
Methods and apparatuses for covert transmission of an assistance request message from a wearable computing device are disclosed. In one embodiment, a wearable computing device receives a covert input and transmits a corresponding assistance request message without presenting an indication that such a request message is being, or has been, transmitted. Thus, a user in an emergency situation, which may worsen if a corresponding perpetrator detects a call for emergency assistance, can use the wearable computer device to send an assistance request message in a covert manner.
Disaster information management apparatus, disaster information system, disaster information management method, disaster information management program, portable terminal, control method of portable terminal, and control program of controlling operation of portable terminal
To attempt to extend a providing service by allowing collection of various kinds of information and early restoration of a defective function in a disaster response infrastructure network, in a disaster information system, a disaster information management apparatus for collecting disaster information via a network includes a terminal information acquirer that acquires terminal information including the current position and identification information of a portable terminal, a need information generator that generates, from received disaster information, need information including information about a need which can be satisfied by the operation of an apparatus, and a request information generator that generates, based on the terminal information and the need information, request information for requesting the portable terminal existing within a range of a predetermined distance from the occurrence location of the need to operate the apparatus necessary for satisfying the need, and transmits the request information.
Process of initiation of a conversation
The invention relates to a method of initiating a conversation, the method comprising the following steps: obtaining (3030) a presentation content; then, once said content has been obtained, sending (3040) said content to a telecommunications terminal that is to be called; and a calling telecommunications terminal calling (3060) said telecommunications terminal that is to be called, the call (3060) including the calling terminal sending an identifier of the terminal that is to be called to a telephone switch; the method being characterized in that the step of obtaining and then sending the content are also performed by said calling telecommunications terminal.
Method and system for reporting a short message capability via an IP multimedia subsystem
A method and apparatus for operation by a base station are provided. The base station may be configured to receive a request for attachment from a WTRU and transmit and receive authentication messages between the WTRU and a cellular core network including an HLR. A registration request may be received from the WTRU via SIP, the registration request indicating a capability of the WTRU to receive SMS messages via an IMS. In accordance with the capability of the WTRU, at least one message comprising SMS data may be transmitted, to the WTRU, via the IMS using SIP. The capability of the WTRU may be recorded by the HLR and the SMS data may be ciphered prior to transmission to the WTRU.
Wireless communication control system, wireless communication control apparatus, method for controlling wireless communication, method for producing directivity information, and radio
A wireless communication control system includes a first radio having a directional antenna, a second radio, a directivity control unit controlling the directivity of the directional antenna, and a directivity information storage unit storing directivity information relating to a directivity, the directivity information being applied to the directional antenna in relation to wireless communication between the first and second radios in accordance with a plurality of change patterns indicating a temporal change in a received signal intensity. The directivity control unit acquires a temporal change in a received signal intensity during wireless communication between the first and second radios, selects, from among pieces of the directivity information stored in the directivity information storage unit, directivity information corresponding to the change pattern corresponding to the temporal change in the received signal intensity, applies the selected directivity information, and executes wireless communication between the first and second radios.
Method and system for handling position of a UE associated with a vehicle
A method performed by a system for handling a position of a User Equipment (UE) associated with a vehicle is described. The system obtains the UE position and a position of the vehicle, and compares the UE position with the vehicle position. The system determines a degree of match of the compared UE and vehicle positions, and informs a user of the UE of the degree of match.
Artificial intelligence for loss prevention tags
Methods, systems, and devices for preventing the loss of valuable items using beacon notifications are described. A loss prevention tag is a small, discreet electronic tag which can be attached to belongings in order to prevent them from being lost. The tag may communicate with a computer or mobile device (e.g., a smartphone or a smartwatch) and may transmit a notification when the object it is attached to moves beyond a threshold distance from the device it is communicating with. A loss prevention tag system may utilize a system of smart notifications. One function of the smart notification system is to remove false alarm notifications. Another function of the smart notification system may be to modify the mode or format of the notification.
Real-time custom interfaces through multi-channel geo-fencing
Systems and methods of adjusting computing device applications, such as smartphone applications, based on external beacon identifiers are described. Based on the identifier of the beacon detected by the smartphone, the smartphone application communicates with a backend server to receive location-specific information based on the identifier of the detected beacon. The location-specific information includes a location-specific user interface. In some arrangements, the location-specific user interface includes a designated user authentication level that varies from other location-specific user interfaces.
Deterrence of user equipment device location tracking
Examples include deterrence of user equipment (UE) device location tracking. Some examples include a core network device of a telecommunication network having a processing resource and a machine-readable storage medium with instructions executable by the processing resource to receive a first service request message from the UE device that includes a pseudo-Globally Unique Temporary Identifier (p-GUTI), to send a paging message that includes the p-GUTI, and to receive a second service request message from the UE device that includes a new p-GUTI based on the p-GUTI of the first service request message matching the p-GUTI of the paging message.
Adaptive threshold for proximity based wireless communications features
A method of improving wireless communication of an apparatus includes detecting a wireless signal from a wireless communication device at a first signal strength level, detecting the wireless signal increasing from the first strength level to exceed a threshold level associated with the wireless communication device, requesting, by the apparatus, an input from a user of the apparatus when the signal strength exceeds a threshold level associated with the wireless communication device, wherein the input indicates whether the apparatus should cause an action to occur at the wireless communication device, adjusting, at the apparatus, the threshold level associated with the wireless communication device after receiving the input, and automatically transmitting a signal from the apparatus to the wireless communication device to cause the wireless communication device to perform the action when the apparatus detects the wireless signal from the wireless communication device has exceeded the adjusted threshold level.
Moving an emoji to move a location of binaural sound
During an electronic communication between a first user and a second user, an electronic device of the second user displays a graphical representation at a located selected by the first user. The graphical representation provides an indication to the second user where binaural sound associated with the graphical representation will externally localize to the second user. Subsequent movement of the graphical representation changes a location where the binaural sound externally localizes to the second user.
Electronic apparatus and sound output control method
An electronic apparatus includes a plurality of sound output units. The electronic apparatus includes a detection unit for detecting an object around the electronic apparatus. The electronic apparatus includes a controller for controlling a signal to be output to the sound output unit based on a result of detection by the detection unit.
Playback device calibration
Examples described herein involve calibrating a playback device. An example implementation receives, from a network microphone device (NMD), data indicating second audio signal detected by the NMD at multiple locations between a first physical location and a second physical location within a given environment while the network microphone device is moving from the first physical location to the second physical location, the second audio signal representing acoustic echo of a first audio signal played by a playback device. Based on the detected second audio signal, the implementation determines an audio characteristic of the given environment. Based on the determined audio characteristic, the implementation determines an audio processing algorithm to adjust audio output of the playback device in the given environment to have a pre-determined audio characteristic that is representative of desired audio playback qualities. The implementation causes the playback device to apply the determined audio processing algorithm.
Performance based in situ optimization of hearing aids
A new hearing aid system is provided that facilitates determination of listening performance of a user of the hearing aid system and adjustment of a hearing aid for improved listening performance.
Process and architecture for remotely adjusting a hearing aid
Process for remotely adjusting a hearing aid, wherein telemetric data representative of the acoustic environment in which the hearing aid (10) is operating and/or of the behavior thereof in response to this environment is acquired from said hearing aid, said process comprising the following steps: —downloading said telemetric data from the hearing aid to a user-side multimedia device (200); —acquiring by means of the multimedia device (200) diagnostic data for the current operation of the hearing aid, which is saved in the said multimedia device (200); —forwarding to a server-side server (300) the saved diagnostic data; —forwarding the current telemetric data downloaded from the hearing aid from the multimedia device (200) to the server (300); —preparing current configuration data for operating parameters of the hearing aid on the server-side server; —processing on the server side a new configuration profile on the basis of the telemetric data and diagnostic data received; —sending the new configuration profile data to the multimedia device (200); —forwarding the new configuration data to the hearing aid (10), for a new configuration thereof.
Surround sound applications and devices for vertically-oriented content
Examples described herein include surround sound systems for vertically-oriented displays and televisions that may leverage existing audio formats, recording techniques and audio authoring tools specifically for vertical display applications. Audio speakers and the vertically-oriented display may all be arranged on a single vertical plane to deliver visual image and spatial audio sound and sound effects on the vertical (e.g. top and bottom) and horizontal (e.g. left and right) axes in relation to the user. Speakers can be positioned separate from the vertically-oriented display as a method or integrated with the display using a frame system or within the housing of a display or television device itself.
Sports Hi-Fi touch-control Bluetooth earphone
A sports Hi-Fi touch-control Bluetooth earphone includes a neckband, a first case and a second case connected to both ends of the neckband, an earplug set on each of the first and second cases, a Bluetooth main circuit board, a battery, a main microphone, an auxiliary microphone, and a capacitive touchpad. The main microphone and the auxiliary microphone simultaneously receive audio signals. The differential amplifier of the Bluetooth main circuit board computes the signal difference between the main microphone and the auxiliary microphone. The signal difference is further processed by a band-pass filter to pass only the human voice frequency band, with low and high frequency signals filtered out. The human voices are amplified to produce clear conversations, enhancing conversation quality and avoiding unclear signals. Mechanical keys on conventional Bluetooth earphones are replaced by the capacitive touchpad, making operations easy, convenient, waterproof, and dustproof to extend the lifetime thereof.
Personalization of auditory stimulus
Technology presented herein increases a user's enjoyment of sound by personalizing an audio signal so that the user perceives the audio signal as if the user had ideal hearing and/or desired hearing. In one embodiment, headphones on a user's head include a sensor and a speaker. While the speaker plays an audio signal to the user, the sensor records the user's response to the audio signal. The sensor can be a microphone, a brainwave sensor, an EEG sensor, etc. The user's response can be the audio response inside the user's ear, the brainwave response associated with the user, electrical skin response associated with the user, etc. Based on the measured response, and based on the knowledge of how other people perceive sound, the audio signal is modified to compensate for the difference between the user's hearing and the ideal hearing and/or desired hearing, therefore increasing the user's enjoyment of sound.
Audio output device and audio output port of computing device
A computing device may include an audio output device installed in a base housing. A front volume of the audio output device may be defined in part by an inner facing surface of a housing of the computing device, with an audio output port defined by an opening in the housing. In some computing devices, the opening defining the audio output port may also accommodate a hinge assembly rotatably coupling the housing to a display. A path from the audio output device to the audio output port may be defined in part by a support pad that guides sound out through the audio output port toward the user, and may also function as a support pad supporting the computing device on a work surface when operating in a tablet mode.
Molded acoustic mesh for electronic devices
An electronic device has a speaker housing secured within the device housing. The speaker housing has a cavity with a speaker at one end and a port at the other configured to communicate through an aperture in the housing of the electronic device. A panel of acoustic mesh is integrally formed within the cavity of the housing and is disposed between the port and the speaker. In other embodiments flexible structures are integrally molded onto a plate or the acoustic device and used to secure and acoustically seal the acoustic device within the device housing.
Intelligent subsystem in access networks
An intelligent subscriber (access) subsystem can connect/couple with one or more objects or intelligent appliances via a wireless/sensor network, wherein the intelligent subscriber (access) subsystem includes a learning algorithm/software agent. The object includes a radio module and a sensor/biosensor module. The intelligent appliance includes a processor/microcontroller module and a radio module.
Method and system for updating optical distribution network (ODN) device by using intelligent management terminal
A method and system for updating an Optical Distribution Network (ODN) device by using an intelligent management terminal are disclosed. The method includes the following steps: an ODN management server connects to an intelligent management terminal through 2G/3G/Wifi, the intelligent management terminal is connected to an identifier of fiber's both terminations through USB or Bluetooth; the optical fiber connector is connected to an ODN device through USB, the ODN management server communicates wirelessly with the ODN device through the intelligent management terminal as a transfer station, and the ODN device downloads updating file from the ODN management server through the intelligent management terminal as a transfer station. The method and system can realize the wireless communication between the ODN network management server and the ODN device, thereby accomplishing the updating of the ODN device by the intelligent management terminal without cable networks wherever 2G/3G/Wifi.
Method and system for improved interactive television processing
A system and method is disclosed to transmit electronic information to a user of a step-top box. The system includes a database that stores user registration and product information data. A set-top box is also provided that communicates with a remote controller with a touch screen and a server broadcasts the product information data to a plurality of set-top boxes for display on touch screens of remote controller communicating with the set-top boxes, respectively, without the product information being designated for a specific user of one set-top box. The server also transmits updated product information data that replaces a portion of the original product information data. Furthermore, a processor compares data relating to a transaction request from a user of one set-top box with user registration data stored in the database to identify the user, and that generates customized transaction data that is transmitted to the identified user.
Systems and methods for ranking and providing related media content based on signals
Systems, methods, and non-transitory computer-readable media can detect a trigger to generate a set of media content items associated with at least one of a particular media content item or a user viewing the particular media content item. A plurality of content generators can be utilized to generate a plurality of subsets of media content items. Each of the plurality of content generators can identify a respective subset out of the plurality of subsets of media content items based on at least one of information associated with the particular media content item or information associated with the user viewing the particular media content item. At least some media content items in at least some of the plurality of subsets of media content items can be ranked based on respective information associated with each media content item.
Methods and systems for automatically evaluating an audio description track of a media asset
Methods and systems for automatically evaluating an audio description track of a media asset include initializing a rating of an audio description track of a media asset to a default value; receiving a first video frame and a second video frame of the media asset; detecting an object in the first video frame and the second video frame; determining that a difference in a characteristic of the object between the first video frame and the second video frame exceeds a threshold difference; determining that an audio characteristic in a portion of the audio description track that corresponds to the first video frame and the second video frame exceeds a threshold audio characteristic; and increasing the rating of the audio description track by a unit.
System and method for detecting the removal of a controlling device
A system and method for using a controllable appliance to report an inoperable state of a controlling device. The appliance is caused to repeatedly determine, at a first predetermined timed interval, if a wireless notification signal, repeatedly transmitted by the controlling device at a second predetermined timed interval, has been received from the controlling device. When the wireless notification signal has not been received from the controlling device within the first predetermined timed interval, the appliance is caused to issue a status notification that the controlling device is in an inoperable state.
Using an audio stream to identify metadata associated with a currently playing television program
Systems and methods for using an audio stream to identify metadata associated with a currently playing television program are disclosed. A video stream including audio description data is received. A set of information is determined from the audio description data. A request including the set of information is sent to a server remotely located from the client for additional processing. A set of instructions is received from the server. The set of instructions is determined based on the additional processing of the set of information. One or more applications are executed in accordance with the set of instructions in response to receiving the set of instructions.
Methods for controlling CATV signal communication between a CATV network and an in-home network, and preserving downstream CATV signal strength within the in-home network
A method for controlling communications between a cable television (CATV) network and a client network while preserving downstream CATV signal strength includes receiving a downstream CATV signal from a common terminal of a diplexer at a data port, blocking the downstream CATV signal from transmitting to a high frequency terminal of the diplexer, receiving an upstream CATV signal at the common terminal from the data port, receiving a first Multimedia over Coaxial Alliance (MoCA) signal at the common terminal from the data port, blocking the first MoCA signal from being transmitted to a low frequency terminal of the diplexer, receiving the first MoCA signal from the diplexer at network ports, receiving a second MoCA signal from at the low frequency terminal, blocking the second MoCA signal from transmitting to the high frequency terminal, and receiving the first MoCA signal from the common terminal at the data port.
Split-type televisions provided in this invention relate to the field of television, and separately configures the master control module and the display in the television, the display is mainly used to play the audio and video data, and the master control module is mainly used to receive and process the audio and video data; the master control module and the display are separately configured in the physical structure, thus it allows users to carry out the operations like repairing, maintenance, upgrading and replacement on them separately; at the same time, since the display (the screen terminal) is provided with the power adapter for the master control module, and as long as the master control module is connected to the display, the power adapter will be able to supply power to the master control module, thus achieving the master control module and the display configured separately share the same power source.
Dynamic adjustment of electronic program guide displays based on viewer preferences for minimizing navigation in VOD program selection
Items of video content offered for viewing on a video-on-demand (VOD) platform of a digital TV service provider are each assigned a respective title and hierarchical address corresponding to hierarchically-arranged categories and subcategories within which the title for the video content is to be categorized. The title is listed in a location of an electronic program guide (EPG) using the same categories and subcategories as its hierarchical address. Any TV subscriber can access the EPG and navigate through its categories and subcategories to find a title for viewing on the TV. The EPG dynamically adjust its display listings of each level of categories, subcategories, and titles in order to minimize the number of remote control keypresses needed for a viewer to navigate to a title of interest. In one basic form, the EPG display is reordered by listing more frequently visited categories or subcategories first, and other less frequently visited categories or subcategories lower on the listing or out-of-sight on another page of the display.
Information pushing method and system, cloud server and information server
The present invention discloses an information pushing method. The method includes: a cloud server receiving program information from a program server and analyzing program content in the received program information to find available regions in image frames of the program content; the cloud server generating a block information record table for the found available regions; and an information server receiving the block information record table from the cloud server, finding corresponding information to be pushed for identifiers of the available regions in the block information record table according to a preset information association rule, associating the information to be pushed with the identifiers and sending the found information to be pushed to a corresponding playing terminal. The present invention also discloses an information pushing system, a cloud server and a information server.
Video analysis method and system
The present invention relates to a video analysis method, including: receiving a plurality of chunks of a video streamed from a server; extracting one or more frames from each chunk; analyzing each frame in accordance with a static image analysis engine to generate a pornographic content rating for the frame; and combining the ratings of the frames from the plurality of chunks to generate a pornographic content rating for the video. A system and software for analyzing video also described.
Signaling DPB parameters in VPS extension and DPB operation
A system for encoding and/or decoding a video bitstream that includes a base bitstream and enhancement bitstreams representative of a video sequence. The receiver receives a video parameter set and a video parameter set extension, where the video parameter set extension includes decoder picture buffer parameters.
Apparatus and method to improve image or video quality or encoding performance by enhancing discrete cosine transform coefficients
Provided is a process for compressing data that includes: obtaining data to be compressed; compressing the data with a first DCT compression algorithm to obtain a first DCT amplitude matrix; compressing the data with a second DCT compression algorithm to obtain a second DCT amplitude matrix, the second DCT compression algorithm compressing the data more than the first algorithm; modifying the second DCT amplitude matrix based on a value in the first DCT amplitude matrix.
Method and device for generating predicted pictures
Disclosed are a method and device for generating a predicted picture, the method comprising: determining a reference rectangular block of pixels according to parameter information which includes a location of a target rectangular block of pixels and/or depth information of a reference view; mapping the reference rectangular block of pixels to a target view according to the depth information of the reference view to obtain a projection rectangular block of pixels; and acquiring a predicted picture block from the projection rectangular block of pixels. The technical problem of relatively large dependence among the data brought by simultaneously employing the depth picture of the target view and the depth picture of the reference view in the process of generating the predicted picture in the prior art is solved, and the technical effects of reducing the dependence on the data and improving the encoding and decoding efficiency is achieved.
Method and apparatus for keypoint trajectory coding on compact descriptor for video analysis
A method processes keypoint trajectories in a video, wherein the keypoint trajectories describe motion of a plurality of keypoints across pictures of the video over time, by first acquiring the video of a scene using a camera. Keypoints and associated feature descriptors are detected in each picture. The keypoints and associated features descriptors are matched between neighboring pictures to generate keypoint trajectories. Then, the keypoint trajectories are coded predictively into a bitstream, which is outputted.
Predictive encoding method, predictive encoding device, and predictive encoding program of motion vector, and, predictive decoding method, predictive decoding device, and predictive decoding program of motion vector
A predictive coding system can encode motion vectors by determining a motion vector of a target partition in a frame picture of an encoding target; determining a first motion vector predictor candidate from a motion vector or motion vectors of one or more partitions belonging to a left-neighboring region to the target partition; determining a second motion vector predictor candidate from a motion vector or motion vectors of one or more partitions belonging to an above-neighboring region to the target partition; selecting an optimum motion vector predictor and outputting motion vector predictor indication information to specify the selected optimum motion vector predictor, the optimum motion vector predictor selected based on comparison between one or more motion vector predictor candidates including the first motion vector predictor candidate and the second motion vector predictor candidate, and the motion vector of the target partition; and encoding the motion vector predictor indication information.
Method and apparatus for variable accuracy inter-picture timing specification for digital video encoding
A method and apparatus for variable accuracy inter-picture timing specification for digital video encoding is disclosed. Specifically, the present invention discloses a system that allows the relative timing of nearby video pictures to be encoded in a very efficient manner. In one embodiment, the display time difference between a current video picture and a nearby video picture is determined. The display time difference is then encoded into a digital representation of the video picture. In a preferred embodiment, the nearby video picture is the most recently transmitted stored picture. For coding efficiency, the display time difference may be encoded using a variable length coding system or arithmetic coding. In an alternate embodiment, the display time difference is encoded as a power of two to reduce the number of bits transmitted.
Nested SEI messages for multiview video coding (MVC) compatible three-dimensional video coding (3DVC)
In general, techniques are described for separately processing depth and texture components of video data. A device configured to process video data including a view component comprised of a depth component and a texture component may perform various aspects of the techniques. The device may comprise a processor configured to determine a supplemental enhancement information message that applies when processing the view component of the video data, and determine a nested supplemental enhancement information message that applies in addition to the supplemental enhancement information message when processing the depth component of the view component.
Method of cross color intra prediction
In one implementation, a method operates by receiving neighboring reconstructed first-color pixels and current reconstructed first-color pixels of a current first-color block and receiving neighboring reconstructed second-color pixels of a current second-color block collocated with the current first-color block. The method then determines linear model (LM) parameters according to a linear model for one or more LM Intra modes. The method then receives input data associated with current second-color pixels of the current second-color block and generates a cross-color Intra predictor from the current reconstructed first-color pixels of the current first-color block using the LM parameters associated with a LM Intra mode selected from said one or more LM Intra modes. Finally, the method applies cross-color Intra prediction encoding or decoding to the current second-color pixels of the current second-color block using the cross-color Intra predictor for the selected LM Intra mode.
Video quality estimation device, video quality estimation method, and video quality estimation program
A video quality estimation apparatus used for an encoded video, to estimate a video quality value being a value quantifying a video quality being quality of the video felt by a user when viewing and listening to the video. The apparatus includes a maximum value calculator to calculate a maximum value of the video quality value from a resolution of the video and a frame rate of the video, and a video quality calculator to calculate an estimated video quality value corresponding to an encoding bit rate having been input, based on a predetermined relationship between the encoding bit rate of the video and the video quality value. The predetermined relationship is a relationship in which the video quality value increases while the encoding bit rate increases, and the video quality value converges on the maximum value calculated by the maximum value calculator.
Image processing apparatus and image processing method using improved predictive encoding techniques
An image processing apparatus comprising an acquiring unit configured to acquire an encoding target block having a plurality of groups each including a predetermined number of pixels, a deciding unit configured to decide for each group a quantization parameter used to quantize image data of the group and an encoding scheme so that a code length of the encoding target block does not exceed a predetermined value, wherein the deciding unit selects, as the encoding scheme of a respective group, either of a first encoding scheme that outputs quantized image data and a second encoding scheme that outputs encoded data of a differential between quantized image data and prediction data, and an encoding unit configured to generate encoded data by encoding image data of the encoding target block in accordance with the quantization parameters and the encoding schemes decided for the respective groups.
Image encoding and decoding method supporting plurality of layers and apparatus using same
An image decoding method supporting a plurality of layers according to the present invention may comprise the steps of: receiving location information on a location in which an inter-layer reference picture set for one or more reference layers, to which a current picture can refer, is added to a reference picture list; generating an initial reference picture list including the inter-layer reference picture set on the basis of the location information; and predicting the current picture on the basis of the initial reference picture list. Accordingly, the present invention provides a method for signaling location information on a location in which an inter-layer reference picture is added to a reference picture list, and an apparatus using the same.
Multi-view displays using images encoded with orbital angular momentum (OAM) on a pixel or image basis
A multi-view display system or optical vortex 3D display in a multi-view or multilayer embodiment or configuration. The new 3D display system encodes and decodes images into independent modes of optical angular momentum (OAM). In some embodiments, the 3D display system uses pixel-based OAM. In such systems, transformation optics are used to sort the OAM modes. These transformation optics convert the OAMs' spiral wavefronts to linear gradient wavefronts, which are then deflected by a simple lens. The transformation optics, thus, are used in image-based (per pixel) decoding/sorting. In other embodiments, the 3D display system uses image-based OAM. In such systems, convolution of the OAM modes with the image is used rather than the direct modulation of the OAM mode and the image (as used in the prior system discussed above) for image-based encoding and decoding/sorting of images in different OAM modes.
Projection-type image display apparatus
A projection-type image display apparatus of the present disclosure includes a fluorescent substance, a blue-color laser diode excitation optical system, a DMD, a projection optical system, a polarizing plate, and a depolarizing plate. The fluorescent substance has characteristics of emitting predetermined fluorescence in response to excitation light. The blue-color laser diode has a semiconductor laser that emits laser light of a wavelength with which the fluorescent substance is excited. The excitation optical system condenses light from the blue-color laser diode. The DMD is controllable by a signal from an external source. The projection optical system is an optical system that can enlarge and project an image displayed by the DMD. The polarizing plate is disposed on the output side of the projection optical system.
A display assembly for showing perceived depth is provided. The display includes a display panel for displaying images and video. A lens extends parallel to and in a spaced relationship with the display panel to define a distal viewing area. An optically clear adhesive is partially disposed between the display panel and the lens to define a plurality of proximal viewing areas. The lens has a varying lens thickness for altering the presentation of the images and video displayed on the display panel in the proximal viewing areas relative to the presentation of the images and video displayed on the display panel in the distal viewing area to create a three dimensional appearance of the images and video. A controller is configured to tailor the images and video presented in the distal viewing area relative to the images and video in the proximal viewing areas to enhance the three dimensional appearance.
System and method for capturing horizontal disparity stereo panorama
A system for capturing horizontal disparity stereo panorama is disclosed. The system includes a multi surface selective light reflector unit, a secondary reflector and a computing unit. The multi surface selective light reflector unit (a) obtains light rays from a 3D scene of outside world that are relevant to create (i) a left eye panorama and (ii) a right eye panorama and (b) reflects the light rays without internal reflections between the light rays. The secondary reflector (a) obtains the reflected light rays from the multi surface selective light reflector unit and (b) reflects the light rays through the viewing aperture. The computing unit captures (i) the reflected light rays from the secondary reflector and (ii) the upper part of the 3D scene from a concave lens as a warped image and processes the warped image to (a) the left eye panorama and (b) the right eye panorama.
Concept for determining a measure for a distortion change in a synthesized view due to depth map modifications
An apparatus for determining a measure for a distortion change of a first view synthesized from a second view, caused by a modification of a depth map of the second view from a first state to a second state, is configured to compute a possible successor synthesis state corresponding to a synthesis of the first view from the second view having the depth map modified to the second state in an already processed portion plus a currently processed portion and having the depth map unmodified at the first state in the yet to be processed portion without the currently processed portion; and to determine a distortion change of a distortion of the current synthesis state of the first view relative to an undistorted version of the first view to a distortion of the possible successor synthesis state of the first view relative to the undistorted version of the first view.
Method and apparatus for customizing 3-dimensional effects of stereo content
A method and system for adjustable 3-dimensional content are described in which a viewer can adjust the depth range according to the viewer's own visual comfort level and/or viewing preference. The depth change is achieved by shifting the left and right images of stereoscopic content image pairs so that corresponding pixels in the shifted left and right images of a stereoscopic pair exhibit a new horizontal disparity sufficient to achieve the desired depth change. By shifting the left and right images in an image pair, content objects in the scene can appear closer to, or farther away from the viewer than those same objects in the un-shifted image pair. This technique achieves a viewer controlled customization of the sensation of depth in the stereoscopic 3-dimensional content.
Projection system and modeling machine
A projection system generates a pre-projective transformation image based on an extracted image obtained from a source image, applies projective transformation to the pre-projective transformation image using the parameters to produce an output image, and causes the projector assembly to output the output image and project a projected image on a surface for projection. If the extracted image has been obtained in a predetermined range of the source image, the projected image is projected onto the surface for projection so that an origin of the pre-projective transformation image is located at a predetermined position in the surface for projection. When, a change, from the predetermined range, of a range to extract in the source image to obtain the extracted image leads to a change of a coordinate of pixels of the pre-projective transformation image by a V pixel unit from a coordinate obtained when the extracted image has been obtained in the predetermined range, the output image is produced by translating the pre-projective transformation image by a V pixel and applying projective transformation to the pre-projective transformation image using the parameters.
Device for displaying an image sequence and system for displaying a scene
A device for displaying an image sequence in the form of a pixel matrix, includes a control unit coupled to a projector. The control unit includes an input interface designed to receive asynchronous information representing, for each pixel of the matrix, events concerning the pixel, and a processor designed to control the activation of each pixel of the matrix at moments determined by the respective events indicated by the asynchronous information for the pixel. The projector is disposed on a support so as to illuminate the light receptors of the eye when the device is in use and is designed to project a light flux corresponding to the pixels activated by the control unit.
Image sensor with peripheral 3A-control sensors and associated imaging system
An imaging system includes a primary imager and plurality of 3A-control sensors. The primary imager has a first field of view and includes a primary image sensor and a primary imaging lens with a first optical axis. The primary image sensor has a primary pixel array and control circuitry communicatively coupled thereto. The plurality of 3A-control sensors includes at least one of a peripheral imager and a 3A-control sensor. The peripheral imager, if included, has a second field of view including (i) at least part of the first field of view and (ii) a phase-difference auto-focus (PDAF) sensor and a peripheral imaging lens, the PDAF sensor being separate from the primary image sensor. The 3A-control sensor, if included, is separate from the primary pixel array and communicatively connected to the control circuitry to provide one of auto-white balance and exposure control for the primary pixel array.
Technologies for scene reconstruction
Technologies for scene reconstruction include a compute system to determine a context of at least one image of a scene captured by a camera of the compute system and generate metadata for the at least one image based on the determined context such that the metadata identifies the determined context of the compute system. The compute system further anonymizes the metadata to generate anonymized data that maintains privacy of the compute system and transmits the anonymized data to a cloud server for multi-dimensional reconstruction of the scene.
Optical sensor, signal reading method therefor, solid-state imaging device, and signal reading method therefor
One problem addressed by the present invention is to provide an optical sensor, a solid-state imaging device, and methods for reading the signals therefrom, which contribute greatly to the development of industry and the realization of a safer and more secure society. One solution according to the present invention is an optical sensor having a light-receiving element, storage capacitors that store a charge, and a transfer switch for transferring to the storage capacitors a charge generated by light input to the light-receiving element, wherein the storage capacitors are a floating diffusion capacitor and a lateral overflow integration capacitor, and the transfer switch is a non-LDD/MOS transistor, that is, a non-LDD/MOS transistor for which the impurity concentration of the drain region is reduced by 50%.
Imaging system with dynamic reconstruction workload allocation
Multiple image data subframes corresponding to respective portions of an exposure interval are generated within a sensor device of an image system. Depending on whether the exposure interval exceeds one or more exposure time thresholds, data representative multiple image data subframes are output from the image sensor device in one of at least two formats, including a first format in which each of the subframes of image data is output in its entirety, and a second format in which a logical combination of at least two of the subframes of image data is output instead of the at least two of the subframes of image data such that the total volume of image data output from the image sensor device is reduced relative to the first format.
Signal processing device, image pickup element, and electronic device
The present technology relates to a signal processing device, an image pickup element, and an electronic device capable of suppressing power source variation due to driving of a counter. The signal processing device according to the present technology includes a first A/D converter which performs A/D conversion on an analog signal by using a first counter being a predetermined counter and a second A/D converter which performs the A/D conversion on the analog signal by using a second counter count timing of which is the same as that of the first counter and a polarity of a count value of which is opposite to that of the first counter. The first and second A/D converters are arranged in the vicinity of each other such that power source variations thereof affect both. The present technology may be applied to the image pickup element and the electronic device, for example.
Encoding circuit, ad conversion circuit, imaging device, and imaging system including a delay circuits having opposite polarity output terminals
An encoding circuit includes a clock generating unit having a delay circuit in which n (n is a power of 2) delay units are connected together a latch unit configured to latch the plurality of delayed signals; and an encoding unit configured to encode state of each of the plurality of delayed signals, wherein the encoding unit encodes the state of each of the plurality of delayed signals by performing: a first operation of determining a position at which logic states of two or more delayed signals in a signal group change from High to Low, a second operation of determining a position at which logic states of two or more delayed signals in the signal group change from Low to High, and a third operation of determining that logic states of two or more signals including at least one delayed signal in the signal group are predetermined states.
Imaging apparatus, image processing apparatus, and imaging display apparatus
An imaging apparatus includes an imaging unit that captures an image of a subject and outputs imaging signals; an image signal generation unit that generates image signals indicative of images to be displayed in respective lines of a display unit based on the imaging signals, and outputs the generated image signals to the display unit; and a timing control unit that controls timings, in which the image signal generation unit outputs the image signals, based on an output completion signals indicative of lines corresponding to the image signals, which are completely output from the image signal generation unit to the display unit, and write completion signals indicative of lines corresponding to the image signals which are generated by the image signal generation unit.
Image sensor having improved signal-to-noise ratio and reduced random noise and image processing system
An image sensor having improved signal-to-noise ratio and reduced random noise and an image processing system are provided. The image sensor includes a pixel array including a pixel connected to a column line and configured to provide an analog pixel signal to the column line in response to at least one row control signal, and an analog-to-digital converter (ADC) that receives and converts the analog pixel signal into a corresponding digital pixel signal. The pixel includes a group of sub-pixels simultaneously selected by the at least one row control signal, such that each one of the sub-pixels in the group of sub-pixels provides a sub-pixel signal, and the analog pixel signal is an average of the sub-pixel signals provided by the group of sub-pixels.
Image sensors having dark pixels
An imaging sensor may include an array of imaging pixels and at least two rows of dark pixels. Each imaging pixel may include a photodiode that generates charge in response to incident light. Each dark pixel may include a photodiode that is shielded from incident light by shielding material. The at least two rows of dark pixels may be sampled simultaneously and averaged to obtain an average dark pixel charge level. The average dark pixel charge level may be subtracted from each imaging pixel charge level to correct the imaging pixel charge levels for noise. Each column of dark pixels may include a column line that is coupled to first and second readout circuits. Each column line may be coupled to first and second current sources. Each column line may be coupled to at least one capacitor.
Event-triggered imaging pixels
An imaging pixel includes a photodetector for generating a charge signal, an input buffer, a control device, and a switch. The input buffer is connected to the photodetector for amplifying the charge signal. The control device is connected to the photodetector and the input buffer to separate high-frequency charge signals from low frequency charge signals. The switch is operably connected to the input buffer for sampling of high-frequency charge signals in a charge storage device triggered by amplitude of high-frequency charge signals provided by the input buffer.
Automated extended depth of field imaging apparatus and method
An imaging apparatus and method enables an automated extended depth of field capability that automates and simplifies the process of creating extended depth of field images. An embodiment automates the acquisition of an image “stack” or sequence and stores metadata at the time of image acquisition that facilitates production of a composite image having an extended depth of field from at least a portion of the images in the acquired sequence. An embodiment allows a user to specify, either at the time of image capture or at the time the composite image is created, a range of distances that the user wishes to have in focus within the composite image. An embodiment provides an on-board capability to produce a composite, extended depth of field image from the image stack. One embodiment allows the user to import the image stack into an image-processing software application that produces the composite image.
Method for adjusting photographic images to higher resolution
A method for adjusting photographic images is disclosed, comprising, upon photographing an image by means of a photographic lens, detecting the intensity of the ambient light in the environment, sequentially projecting the light source of different color to a photographic object with an active light source, and acquiring different reflection feedback values according to the projected light source of different colors; then, based on the intensity of the ambient light and the intensity range of light source projected on the photographic object from the active light source, performing adjustments on the acquired photographic image. In this way, in an environment where the light source is weak or insufficient, after the adjustments, it is possible to present an image resolution that the image should demonstrate in an environment having normal light sources, and for the nocturnal photography, by processing the image of dimmer peripheries, it is further possible to present a colorful and clear image.
Imager with active exposure correction
An imager module for a vehicle is disclosed. The imager module comprises an imager configured to capture image data over a plurality of image frames based on incoming light in a field of view and an optic device configured to control a transmission of the incoming light. The module comprises a controller configured to identify an exposure time for the imager based on environmental lighting conditions and adjust the exposure time by a flicker mitigation period. The adjustment of the exposure time mitigates an appearance of a periodic light source in the image data. The controller is further configured to control the transmission of the optic device to control the transmission of the incoming light.
Adjusting length of living images
A method may comprise: obtaining a preliminary frame sequence and at least one still image frame, captured by a digital camera during shooting a scene; obtaining at least one of indication of fulfillment of a predetermined starting scene condition in at least one frame of the preliminary frame sequence and indication of fulfillment of a predetermined first camera condition prevailing during capturing the preliminary frame sequence; automatically selecting a starting frame from the preliminary frame sequence on the basis of at least one of fulfillment of the starting scene condition and fulfillment of the first camera condition; and automatically forming, from the preliminary frame sequence and the at least one still image frame, a displayable frame sequence for displaying a living image of the scene, the living image comprising a still image and a preceding image sequence, the frame sequence starting by the starting frame and having a still image frame as a stopping frame for displaying the still image.
Image joining apparatus, image pickup apparatus, image joining method, and image joining program
An image joining apparatus includes: a motion vector detection unit that detects a motion vector between images; a motion compensating unit that performs correction of compensating for a positional difference value between the images on one of the images using the motion vector to generate a motion compensated image; a difference determination unit that selects one of the images and determines whether a difference value between adjacent pixels in the selected image is equal to or larger than a value; an overwriting unit that overwrites another image with the selected image in an area of the selected image in which the difference value between the adjacent pixels is equal to or larger than the value; and a mixing unit that locally mixes the selected image and the other image in an area of the selected image in which the difference value between the adjacent pixels is smaller than the value.
Emotional/cognitive state-triggered recording
Emotional/cognitive state-triggered recording is described. A buffer is used to temporarily store captured video content until a change in an emotional or cognitive state of a user is detected. Sensor data indicating a change in an emotional or cognitive state of a user triggers the creation of a video segment based on the current contents of the buffer.
Adjusting method of camera module, lens position control device, control device of linear movement device, and controlling method of the same
An adjusting method of a camera module, a lens position control device, a control device of a linear movement device, and a controlling method of the same are provided in a state of the cameral module in which an imaging element and an actuator are combined. The camera module includes a position sensor (53) that detects a position of a lens (50) to output a detection position signal, a storage unit (541) that stores and rewrites a position code value corresponding to the position of the lens, a target position signal generation unit (542) that outputs a target position signal based on the position code value and the target position code value, and a control unit (543) that generates a control signal based on the target position signal and the detection position signal.
Camera system, master camera device, and slave camera device
A master camera device and a plurality of slave camera devices are directly connected through a network, and form one network segment. The master camera device performs multicast communication with each slave camera device, and acquires information representing a transmission condition from each slave camera device. In a case where a worsening transmission condition relative to a predetermined threshold is detected from a transmission condition of each slave camera device and a transmission condition of the master camera device, the master camera device performs multicast communication with each slave camera device, and controls an encoding level representing a degree of encoding process, sequentially from an encoder having a lower priority, including the encoder of the master camera device, to improve the transmission condition. Thus, by an efficient communication, the transmission condition is improved from an initial stage having an unstable transmission condition, to obtain a preferable real-time image.
Apparatus and method for adjusting and / or calibrating a multi-camera module as well as the use of such an apparatus
An apparatus (10) and method for adjusting and/or calibrating a multi-camera module (2) having a plurality of cameras (4a, 4b). The apparatus (10) includes an optical arrangement for creating first virtual test structures (22) at an infinite distance and second test structures (26, 32) at a finite distance. Individual images (20a, 20b) captured with the cameras (4a, 4b) of the multi-camera module (2) include respectively the first and the second test structure (22, 26, 32). Based on the deviation of the position of the test structures (22, 26, 32) in the two individual images (20a, 20b), the cameras (4a, 4b) of the multi-camera module (2) are aligned relative to each other.
Mobile terminal and method for controlling the same
A mobile terminal including a first camera on a front surface of the mobile terminal and configured to capture images at a first angle of view; a second camera on the front surface of the mobile terminal and configured to capture images at a second angle of view different from the first angle of view; a display; and a controller configured to display at least a first image with the first angle of view from the first camera, and display a second image with the second angle of view from the second camera, in response to a request to obtain the second image from the second camera instead of obtaining the first image from the first camera.
Microphone and camera disruption apparatus and method
An apparatus for use with an electronic device having a microphone and a camera. The apparatus comprises a structure configured to detachably couple to the device, and a shutter supported by the structure and comprising a lens shutter configured to obscure a lens of the camera when in an engaged position. A generator is supported by the structure and configured to generate a force that acts on the microphone and renders the microphone unresponsive to voice sounds.
Symbology reader with multi-core processor
The present disclosure provides a vision system camera, and associated methods of operation, having a multi-core processor, high-speed, high-resolution imager, FOVE, auto-focus lens and imager-connected pre-processor to pre-process image data provides the acquisition and processing speed, as well as the image resolution that are highly desirable in a wide range of applications. This arrangement effectively scans objects that require a wide field of view, vary in size and move relatively quickly with respect to the system field of view. This vision system provides a physical package with a wide variety of physical interconnections to support various options and control functions. The package effectively dissipates internally generated heat by arranging components to optimize heat transfer to the ambient environment and includes dissipating structure (e.g. fins) to facilitate such transfer.
Calibrating depth cameras using natural objects with expected shapes
An example apparatus for calibrating depth cameras includes an image receiver to receive an image from a depth camera. The apparatus also includes an object detector to detect a natural object with an expected shape in the image. The apparatus further includes a parameter adjuster to adjust a parameter of the depth camera to reduce a detected difference between the expected shape and a measured characteristic of the natural object.
Image forming apparatus
An image forming apparatus includes an image processing part performing a correction process and an image forming part respectively forming first and second images on medium. At a boundary of the first and second images, these images have first and second edge portions. When a first image width of the first image data is narrower than a predetermined width, the first image width is defined as a length determined from one portion of the first edge portion, the image processing part performs the correction process by selectively moving one of the first and second edge portions based on a pixel value of the first image. The image processing part obtains a degree of blackness of the first image based on the pixel value. When the degree of blackness is higher than a predetermined value, the image processing part performs the correction process by moving the second edge portion.
Printing apparatus, control method thereof, and storage medium storing a program that set a size and an orientation of an envelope based on a user instruction
An image forming apparatus includes a stacker on which an envelope is to be stacked, an image forming device to form an image on the envelope conveyed from the stacker, an operation device to display a screen for prompting a user to set a size of the envelope and an orientation of the envelop to be stacked on the stacker. The orientation of the envelope accepted by the operation device is one of a first orientation, in which the flap and the body portion are aligned in a width direction that is orthogonal to a conveyance direction of the envelope, and a second orientation, in which the flap and the body portion are aligned in the conveyance direction of the envelope. A controller controls the operation device to display a guidance image based on the size of the envelope and the orientation of the envelope accepted by the operation device.
Multiple payload pantographs
Example implementations relate to multiple payload pantograph. Some examples may include a first pattern generation engine to generate a first pattern. The first pattern may be a data-bearing pattern encoding a first payload. Additionally, some examples may include a second pattern generation engine to generate a second pattern, the second pattern (by itself or in combination with the first pattern) may represent a second payload. The second payload may be camouflaged by a combination of the first pattern and the second pattern. Some examples may also include a pantograph generation engine to generate a multiple payload pantograph including the first pattern and the second pattern. The multiple payload pantograph may include the first pattern in one of the pantograph background or the pantograph foreground.
Imaging optical system and reading apparatus including the same
Provided is a reading apparatus of the present invention, including: an image pickup element configured to pick up an image of an object; a first optical system including at least one reflection surface configured to reflect a light flux from the object, the first optical system being configured to form an intermediate image of the object; and a second optical system configured to image the intermediate image onto a light-receiving surface of the image pickup element, in which: the at least one reflection surface includes a first reflection surface which is closest to the light-receiving surface on an optical path, and which has a positive power; and the following condition is satisfied: 5≤TD/IML≤20 where TD represents a maximum distance from the first reflection surface to the light-receiving surface on the optical path, and IML represents a maximum image height of the second optical system.
Dynamic user interface
A method for providing a dynamic user interface template in an industrial printing environment. The method including automatically determining: a print-head type, a utilized printing technology module, and a peripheral module. The method obtains from said print head information on one or several of technology type and capabilities, setting definition, fault and warning definitions, maintenance features and diagnostic features. The method also obtains from said printing technology module information on one or several of module type and capabilities, setting definition, fault and warning definitions, maintenance features and diagnostic features. The method additionally obtains from said peripheral module information on one or several of module type and capabilities, setting definition, fault and warning definitions, maintenance features and diagnostic features. Based on said obtained information, the method dynamically configures at least one changeable portion of a user interface template based on the print-head type, utilized printing technology and print technology capability.
System, processing device, and non-transitory computer readable storage medium for storing and transmitting a data part of a document
A system includes: a printing unit that prints a document including a data part; a storage unit that stores (i) specifying information which uniquely specifies the document and (ii) the data part in association with each other; an obtaining unit that obtains the specifying information of the document from a document recipient; and a transmitting unit that transmits the data part corresponding to the obtained specifying information to the document recipient.
System, method, and apparatus for an interactive virtual fax machine
A system, method, and apparatus for a virtual fax machine are provided. In one embodiment, a system for a virtual fax machine is provided including a computer configured to display a virtual fax machine based on a script, a server configured to receive at least one electronic document associated with a fax to be sent using the virtual fax machine, and a traditional facsimile machine configured to receive the fax to be sent. In another embodiment, an apparatus for a virtual fax machine is provided including a computer configured to locate and execute a script associated with a virtual fax machine, display the virtual fax machine, associate at least one electronic document with a fax to be sent, encode the at least one electronic document to a form suitable for communication over a network, and transmit the encoded electronic document over the network as the fax to be sent.
Image reading apparatus capable of determining opening-closing state of original conveyance device and image forming apparatus equipped with image reading apparatus
An image reading apparatus includes a first unit, a second unit that is pivotable against the first unit, and a controller. The first unit includes a platen, a member, and a movable first reader. The second unit includes an original tray, a conveyance unit that conveys an original from the original tray, a static second reader. The controller determines an opening/closing state of the second unit against the first unit based on read data obtained when the second reader reads the member. The first reader reads the first side of an original conveyed by the conveyance unit and the second reader reads the second side of the original when the original placed on the original tray is read. The first reader reads the first side while moving under the original when the original placed on the platen is read.
Centralized theft-proof device
A centralized theft-proof device includes a main control, several sub-controls, and optionally a remote control. The main control includes a process, a display, a wireless receiver, and an alarm, and each sub-control includes a SCM and several interfaces connected to the SCM. The processor and SCM are in series connection. The processor is electrically connected to the display, the wireless receiver, and the alarm, respectively. The main control is connected to at least one adapter, and each sub-control is connected to at least one adapter.
Methods and apparatus for implementing policy and charging control
According to the present invention there is provided a method of ensuring that all AF sessions for an IP-CAN session reach the same PCRF when more than one PCRF is deployed in an operator network. The method involves configuring a PCRF such that, upon receipt of a request relating to the establishment or modification of the IP-CAN session, the PCRF determines one or more Application Detection and Control (ADC) rules for identifying application messages associated with the IP-CAN session and that require that an address of the PCRF must be included in the identified AF session messages. The PCRF is further configured to provision the one or more ADC rules at an ADC node.
Audio echo cancellation with robust double-talk detection in a conferencing environment
A conferencing endpoint includes a loudspeaker, a base microphone, and a double-talk detection module which allows two-way communication between the conferencing endpoint and a remote endpoint only when participants at both endpoints are speaking at the same time, so as to minimize echo due to feedback. The double-talk detection module adds the energy of any distortion from the loudspeaker to the energy of the signal coming from the remote endpoint, and compares this combined energy with the energy of the base microphone to determine whether double-talk is present. The double-talk detection module is thus prevented from mistaking the feedback for near end talk at the endpoint.
Method of managing a communication to a user, and an application server
Disclosed is a management method for managing a communication to a user having an identifier allocated thereto on a voice over IP core network, the method being performed by an application server of the voice over IP core network through which the communication transits, and comprises a process, performed on receiving the communication, of consulting a database to select a terminal linked to the identifier of the user for the purpose of routing the communication to the terminal, the database associating at least one terminal registered on the voice over IP core network and linked to the identifier of the user with at least one period of activity of the terminal on the voice over IP core network, and the terminal that is selected being the terminal associated in the database with the most recent period of activity.
Dialing a VOIP telephone number subject to an autodialer prohibition in a contact center
A contact center dialing a telephone number to a party, such as a debtor, may discover that the number is a VoIP number and subject to a prohibition of being autodialed. In other embodiments, a number that was subject to the prohibition of being autodialed is now discovered to no longer be subject to such prohibition. Various mechanisms defined indicate how such a prohibition associated with the number may be indicated in a dialing list and how various contact center architectures may be used to process the dialing list. In one embodiment, separate sub-systems are used to dial separate dialing lists based on whether the number is to be manually dialed or dialed using an autodialer. In another embodiment, another architecture is used to process an integrated dialing list to determine whether a number, such as a VoIP number, is to be manually dialed or autodialed.
Call block policy using validated identities and selected attribute sharing
Systems, apparatuses, methods, and computer readable mediums for implementing a flexible call blocking scheme using validated identities and selected attribute sharing. A user may undergo an identity verification process to generate one or more signed attributes associated with the user. When the user initiates a phone call, the user may select which attributes to expose to the callee. In one embodiment, the user's device may prevent the user's phone number from being exposed to the callee. The selected attributes may be sent to the callee, and then the device of the callee may compare the selected attributes to preconfigured rules. If the preconfigured rules indicate the selected attributes of the caller meet one or more criteria, then the call may be allowed to ring the device of the callee. Otherwise, the call may be blocked.
System and method for determining availability statuses for users
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for determining availability statuses for users of a communication service provider system. One of the methods includes obtaining data identifying a plurality of availability status features for a user of a communication service provider system and a respective weight for each of the availability status features; determining a respective current value of each of the availability status features; and determining an aggregate user availability status based at least in part on the current values of the availability status features and on the weights for the availability status features.
Systems and methods for authenticating a caller at a call center
A system for authenticating the identity of a caller (i) receives a phone call from a caller, where the phone call is initiated through an application on a remote computer device associated with the caller, and where the phone call includes one or more phone authentication credentials; (ii) determines a preliminary identity of the caller based upon the one or more phone authentication credentials; (iii) receives online authentication credentials from the application on the remote computer device; (iv) determines a confirmed identity of the caller based, at least in part, upon the one or more online credentials and the preliminary identity of the caller; and (v) displays the confirmed identity of the caller to a user answering the phone call. As a result, the user and/or the system do not need to perform additional authentication before providing service to the caller.
Method, apparatus and system for call leg selection
A method, apparatus and system for call leg selection is provided. In an embodiment, a call manger is provided which is connected to telephones that have the same telephone number. When the call manager receives an incoming call identifying that telephone number, the call manager sends a query to each of the telephones inquiring as to which telephone should receive the call. Depending on the response, the call manager will route the call to the appropriate one of the telephones.
Wearable electronic apparatus
A wearable electronic apparatus, a computer program and a method are disclosed. Physical activity data measured relating to a user of a wearable electronic apparatus is obtained. An exercise mode of the wearable electronic apparatus is switched on such that information related to the physical activity data is outputted to the user. While the exercise mode is on, wireless application data is received, and, only if the application data fulfills a predetermined relevance condition, the application data is outputted to the user.
Grouping in a system with multiple media playback protocols
A network media system forms a group comprising a first networked device and a second networked device using a first media playback protocol. The network media system includes the first networked device and the second networked device. The network media system determines a group coordinator for the group using the first media playback protocol. The network media system transmits, to a media source device, a group network identity using a second media playback protocol. The media source device and one of the first networked device and the second networked device are configured to use the first media playback protocol and the second media playback protocol. The first media playback protocol and the second media playback protocol are incompatible.
End-under devices handling objects via network server assistance
A network server creates a database storing a list of end-user devices associated with a user, object types that can be handled by the respective end-user devices, and actions that can be performed by the respective end-user devices for handling objects of the respective object types. One of the end-user devices detects that it is unable to handle an object and makes a request to the network server that a different, unspecified device handle the object instead. The network server, having received the request that an unspecified device handle the object, selects a device associated with the user to handle the object based on the database, and invokes that device.
Cloud-to-cloud data migration via cache
A cloud storage gateway is used to migrate a volume from a source cloud storage provider to a target cloud storage provider. If necessary, the gateway reconfigures the size of a logical cache associated with local storage devices so that the entire volume can be stored locally. Flushing is disabled and all of the locally stored volume pages are marked as dirty. After compression and encryption policies associated with the source and target are verified to be compatible, flushing is enabled and metadata is updated.
System and methods thereof for delivery of popular content using a multimedia broadcast multicast service
Multimedia content, live as well as on-demand, is typically delivered over a network responsive to a request by a user device from a content source and is provided point-to-point. Certain multimedia cache systems are designed to identify popular content and provide such content from locations that are in proximity to the user device, thereby reducing load on the overall network. The system and methods identify user devices capable of receiving content using a multimedia broadcast multicast service (MBMS) and evolved MBMS (eMBMS) delivering popular content by redirecting the content delivery from content caches or the content source to a MBMS/eMBMS thereby reducing overall load of a network.
Method and system for brokering between devices and network services
According to an exemplary embodiment, a method for brokering between devices and network services provides a platform for brokering between at least one device and at least one service group, and uses a brokering service module on the service platform to execute: using a computing device to compute a correlation between a thing and another thing, thereby computing a correlation between a thing and a service group of the at least one service group; for a service group of the at least one service group, using the computing device to compute the correlation between each of at least one thing and a service group of the at least one service group; for a device corresponding to the thing, brokering one or more service groups; and for a service group of the at least one service group, brokering one or more devices corresponding to one or more things.
Network user usage profiling
Methods, systems, devices, and software are disclosed for generating a network usage profile. Certain embodiments of the network usage profile include a devices-by-node profile, indicating the set of customer devices available for use in communicating with a customer-side network node located at a customer side of an access network over a period of time, where some of the customer devices are not in operative communication with the customer-side network node during a portion of that time. Other embodiments associate the network usage profile with customer information to generate device-by-customer profiles. Still other embodiments associate the network usage profile with network traffic information to generate traffic-by-device profiles. Even other embodiments associate the multiple sources and types of information to generate traffic-by-customer profiles and/or traffic-by-device-by-customer profiles. Any of the profiles may then be accessed by one or more parties for use in affecting various network services, including targeting content delivery.
Intelligent delivery of actionable content
Technologies are described herein for providing intelligent delivery of actionable content. Metadata that describes user activities at a computer system is analyzed to determine a need for actionable content. Actionable content is dynamically delivered to one or more client consoles when need for actionable content is presented. The actionable content may be presented in a number of forms, including links to, or the delivery of, video, text and/or image content. Actionable content may also include links or deliverable environments for enabling automatic engagement of a specific application scenario. The discovery and delivery of the actionable content may be improved by the use of one or more feedback mechanisms.
System for resource usage monitoring
A system for monitoring the use of resources by a user includes a mobile device, a resource usage monitoring device, a message display system, and a third party system, each have communication interfaces, memory devices, and processing devices. The system is designed to detect the presence of a user within a physical location where resources may be accessed and determine a time-efficient set of resource allocations that the user may engage in while located in a particular physical location. In some embodiments, a message may be directed to the user through visual and/or audio displays to notify the user of the time-efficient set of resource allocations and direct the user to a particular location where such allocations may be effected.
Method, system, and computer program product for delivering smart services
A method, system, and computer program product are described for delivering smart services. According to an exemplary embodiment, a method for delivering smart services includes defining a situation including subscriber context information based on private information of a service subscriber. The method includes identifying an action associated with the first situation. The method includes determining that the service subscriber is in the defined situation based on current subscriber context information. The method includes performing, in response to determining that the service subscriber is in the defined situation, the action.
Transactional boundaries for software system profiling
Transaction data is received from a software-based agent instrumented on a particular software component in a system comprising a plurality of software components. The transaction data can describe characteristics of a particular transaction involving the particular software component and another software component in the plurality of software components as observed by the agent during operation of the system, the particular transaction is contemporaneous with another transaction involving software components in the system. From the transaction data, the particular transaction is determined to fall within a defined transaction boundary for the system. A profiler is automatically invoked to profile the particular transaction based on determining that the particular transaction falls within the transaction boundary.
System and method for aggregating and acting on signals from one or more remote sources in real time using a configurable platform instance
An improved system and method are disclosed for receiving sensor readings from one or more devices and processing the readings in real time to create an output. For example, the method may include, for each device, calculating a value based on the sensor readings obtained from the device for which the value is being calculated. Each of the values that satisfies at least one defined parameter is identified. All of the values that satisfy the defined parameter are aggregated to form an aggregated value. A defined action is executed based on the aggregated value. The steps of receiving, calculating, identifying, aggregating, and executing occur in real time without storing the sensor readings, the values, or the aggregated value.
Electronic glovebox for a vehicle
A method and a system for providing access to a cloud computer from a vehicle. The method carried out by the system includes providing at least one client (e.g., an e-glovebox device). The method also includes configuring a cloud server to allow access to one or more clients and accessing the cloud server using the e-glovebox. The access may include uploading one or more data members to the cloud server. The access may also include downloading one or more data members from the cloud server.
Method, system, and computer-readable medium for storing diagnostic data relating to a vehicle
A method for storing vehicle diagnostic data includes the steps of: reading one or more messages including vehicle diagnostic data; transmitting the read messages to a buffer memory; transmitting the read messages to an aggregation component; aggregating the read messages by use of the aggregation component to form an aggregated message; transmitting the aggregated message to the buffer memory; checking whether a predefined fault event occurred during aggregation of the messages; if a predefined fault event occurred: transmitting the predefined fault event to an extraction component, the predefined fault event including at least one predefined rule; executing the at least one predefined rule by the extraction component in order to extract the messages corresponding to the at least one predefined rule from the buffer memory; and storing the extracted messages and the fault event in a data memory, such that the extracted messages can be identified using the fault event.
Deploying infrastructure units according to resource hosting constraints
A distributed system may deploy infrastructure units according to resource hosting constraints. Additional infrastructure units, or infrastructure units to be redeployed, may be identified for deployment. State information describing the deployment of infrastructure units currently deployed amongst different infrastructure localities of a distributed system may be evaluated for different possible deployments according to resource hosting constraints. Possible deployments that optimize or increase resource hosting capacity in the distributed system within the resource hosting constraints may be determined. Deployment at those infrastructure localities of the determined possible deployments may be directed.
System and method for migrating an agent server to an agent client device
In a network of mobile agents, data integrity can be improved by providing an agent server that can migrate between devices operating in the region of interest (ROI). The agent server distributes agent clients onto devices in the ROI and provides agent server services to the agent clients, including receiving and storing data from the agents. When the agent server device is to leave the ROI, the agent server can migrate to any device executing an agent client and continue to provide the agent server services, including data collection and aggregation, from the device to which the agent server has migrated.
Providing customer information obtained from a carrier system to a client device
Methods and systems are presented for accessing customer relationship management (CRM) information stored in a carrier system associated with a user of an identified client device. A client device is identified based on client device identification information received from a carrier system. CRM information associated with the identified client device is received from the carrier system, and data corresponding to at least a subset of the CRM information is output to the client device. The client device may be configured to pre-populate data fields of a transaction based on the data corresponding to at least a subset of the CRM information.
Control system, and information processing device
Appropriate use of a device by each terminal is enabled based on plural terminals being able to use the device.A control system 1 has a first tablet terminal 101 (terminal) that runs a web browser; a device DV that outputs data input to the web browser, or to which data output from the web browser is input; and a printer 11 including a device communication unit that communicates device input/output data with the device,a terminal communication unit that communicates the device input/output data with the terminal, and a device management unit 20d that manages the relationship between the first tablet terminal 101 and the device DV.
Remediation of the impact of detected synchronized data requests in a content delivery network
Managing synchronized data requests is disclosed. Examples of synchronized data requests include viewer-induced synchronization, failure-induced synchronization, and player-induced synchronization. Information indicative of a potential occurrence of an amount of synchronized requests for audiovisual content that has a potential to have a detrimental impact on one or more components within a content delivery network is obtained. Subsequent to obtaining the information, one or more remediation actions are automatically caused to occur.
Packet forwarding apparatus for handling multicast packet
A packet forwarding apparatus includes: a multicast determination unit that determines whether a packet that flows through a virtual network is a multicast communication packet; a multicast mapping information storage unit; a multicast mapping unit that allocates a second multicast address to a first multicast address of a newly generated multicast communication and manages these multicast addresses as a piece of mapping information; and a packet encapsulation unit that encapsulates the packet that flows through the virtual network. The packet encapsulation unit encapsulates the multicast communication packet that flows through the virtual network by using the second multicast address.
Intelligent streaming of media content
In various embodiments, methods and systems for intelligent streaming of game content based on the level of interactivity of the game content are provided. The level of interactivity of game content is determined using techniques that classify the level of interactivity. The level of interactivity is defined for different components of game content. Streaming techniques are associated with game content having specific levels of interactivity. An edge computing infrastructure may facilitate intelligent streaming in that game assets classified as prefetch game assets or stream game assets are associated with prefetch instructions. The prefetch instructions are communicated from a game server to a game platform to instruct the game platform to prefetch a prefetch game asset to the edge computing infrastructure in advance of an anticipated game context in which the prefetch game asset is used. During the anticipated game context, the assets are retrieved for output at the game platform.
Virtual agent communication for electronic device
Methods and apparatus for communicating between virtual agents associated with users of electronic devices connected via at least one network. A first user may instruct an associated first virtual agent to invoke a communication session with a second virtual agent associated with a second user. To invoke the communication session, the first virtual agent may send an outgoing communication to the second virtual agent and the outgoing communication may instruct the second virtual agent to perform at least one action on behalf of the first user. Virtual agents associated with different users may alternatively communicate with each other in the absence of user interaction to perform a collaborative action.
Annotating collaborative information structures
Embodiments of the present invention address deficiencies of the art in respect to collaborative information object management and provide a method, system and computer program product for annotating collaborative information structures. In an embodiment of the invention, a method for annotating collaborative information structures can be provided. The method can include creating a collaborative information structure document (ISD) with each of an object section and an annotation section, adding a collaborative object in a collaborative computing environment to the object section of the collaborative ISD, adding an annotation for the collaborative ISD to the annotation section of the collaborative ISD, and storing the collaborative ISD for use as a collaborative object in the collaborative computing environment.
Self-adjusting tiered caching system to optimize traffic performance and origin offload
A tiered caching system (e.g., in an overlay network such as CDN) wherein SWR at an edge server therein is automatically set (preferably based on request rate), while SWR at a parent server therein has its SWR set at or near 0. Collectively, these SWR settings provide for a self-adjusting tiered caching system that optimizes both end user performance and the origin traffic offload.
Network application security policy enforcement
A system validates the establishment and/or continuation of a connection between two applications over a network using a three-stage process: (1) a local security agent on the same source system as the source application validates the connection against a set of policies stored locally on the source system; (2) a local security agent on the same destination system as the destination application validates the connection against a set of policies stored locally on the destination system; and (3) a reconciliation engine, after receiving connection and application state information from both the source and destination local security agents, validates the connection against a master set of policies. The connection is allowed or blocked depending on the outcome of the three-stage validation. This system protects against policy violations that are not detected by traditional systems without requiring alterations to the source and destination applications or the network traffic between them.
Context-aware compromise assessment
Assessing compromises of data security is achieved by establishing access control policies for data files in storage devices across an enterprise. A list is compiled of the data files that were accessed by processes executing on processors of the enterprise. A suspicion score is assigned to each of the processes based on deviations of in-memory behaviors of the processes from established criteria. In response to the suspicion score meeting a suspicious process criterion, the file system operations performed by the suspicious process are analyzed against the access control policies and the suspicion score is modified based on a degree to which the file system operations performed by the suspicious process violate the access control policies.
Policy management in software container computing environments
A system for managing computer security policies includes a policy management system that provides computer security policies to container host machines. The policy management system retrieves images of software containers from an image registry and generates computer security policies that are specific for each image. A container host machine informs the policy management system when an image is pulled from the image registry into the container host machine. The policy management system identifies a computer security policy that is applicable to the image and provides the computer security policy to the container host machine. The container host machine can also locally identify the applicable computer security policy from among computer security policies that are received from the policy management system. The container host machine enforces the computer security policy and other currently existing computer security policies.
Network appliance for vulnerability assessment auditing over multiple networks
An apparatus, system, and method are directed towards enabling auditing of network vulnerabilities from multiple network vantage points virtually simultaneously. Multiple network vantage points may include, but are not limited to, remote/branch enterprise sites, devices on an enterprise perimeter, on either side of a security perimeter, and even through the security perimeter. In one embodiment, an auditor performs reflected audits thereby extending auditing of network vulnerabilities to provide a comprehensive 360 degree audit of internal, external, and remote enterprise network sites. In one embodiment, the present invention may be implemented employing a single auditing device, and one or more audit extension devices that are configured to extend the auditing device's audit reach. The auditing device and one or more audit extension devices may communicate using an encrypted network channel through a security perimeter and/or across multiple networks.
Real-time vulnerability monitoring
An apparatus is provided including at least one platform; an intrusion prevention system configured to communicative couple with the at least one platform; a firewall configured to communicative couple with the at least one platform; at least one first data storage configured to communicative couple with the at least one platform; and at least one second data storage configured to communicative couple with the at least one platform. The at least one platform is configured to perform a plurality of operations that collective protect one or more networked devices.
Emoji frequency detection and deep link frequency
Systems and methods are disclosed for generating term frequencies of known terms based on crowdsourced differentially private sketches of the known terms. An asset catalog can be updated with new frequency counts for known terms based on the crowdsourced differentially private sketches. Known terms can have a classification. A client device can maintain a privacy budget for each classification of known terms. Classifications can include emojis, deep links, locations, finance terms, and health terms, etc. A privacy budget ensures that a client does not transmit too much information to a term frequency server, thereby compromising the privacy of the client device.
Device and a method for detecting and analyzing signals in the ultrasounds frequency spectrum for electronic communications devices
A device and a method for monitoring continuously the activity of a microphone and a speaker of an electronic communications device, filtering any emitted or received signal in the ultrasound frequency spectrum (signals ≥17 kHz) and assessing whether the emitted or received signal is malicious or benign, in order to detect and avoid malicious transmissions established on the ultrasounds frequency spectrum. If a malicious transmission is detected, the user is alerted and can allow or deny said transmission. The device and method are a new concept of Information Technology defense systems that complements traditional antivirus.
Method and system for generating a kill chain for monitoring computer network security
A security platform employs a variety techniques and mechanisms to detect security related anomalies and threats in a computer network environment. The security platform is “big data” driven and employs machine learning to perform security analytics. The security platform performs user/entity behavioral analytics (UEBA) to detect the security related anomalies and threats, regardless of whether such anomalies/threats were previously known. The security platform can include both real-time and batch paths/modes for detecting anomalies and threats. By visually presenting analytical results scored with risk ratings and supporting evidence, the security platform enables network security administrators to respond to a detected anomaly or threat, and to take action promptly.
System and method for evaluation and response to cyber security exposure in an embedded control device
A system and method for evaluating and altering, if necessary, the potential for a cyber security attack on an individual embedded device located on a local network assumed to be protected from outside cyber threats. In a first level of potential exposure the system attempts to send an outgoing message to a known IP address on a network outside the local network. If the outgoing messages are confirmed as received the embedded device has access to outside networks. In a second level of potential exposure the known outside IP address attempts to send an incoming message to the embedded device. If the incoming message is received the embedded can be accessed from an external network.
Method of communicating between secured computer systems as well as computer network infrastructure
A method of communicating between secured computer systems includes supplementing a prepared task file with specified information in a source computer system, transmitting the supplemented task file from the source computer system to a task computer system, transmitting the supplemented task file from the task computer system to a target computer system, verifying validity of the supplemented task file by the target computer system, and executing at least one task in the target computer system on the basis of the supplemented task file in the event that verification of the validity of the supplemented task file was successful, wherein both the source computer system and the target computer system at least temporarily keep specified network ports closed such that addressability of the source computer system or of the target computer system, respectively, via a network for storing or fetching the task file is prevented, but the task computer system is accessible with at least one listening open network port via network such that the source computer system or the target computer system can access the task computer system to store the task file in the task computer system or fetch it from the task computer system.
Website access control
A method of controlling access to content such as web sites on the intranet or interne is described. For example, the method comprises receiving an address of content to be accessed and obtaining similarity of the address to previously labeled addresses of other content items. The similarity is based on co-occurrence of addresses of content items in records of browsing sessions from many consenting users. For example, a browsing session record comprises addresses of content items accessed by a user in a time period during which the user is actively accessing content. A co-occurrence of addresses of content items is the existence of the addresses in the same browsing session record. Access to the content is then controlled on the basis of the similarity.
Systems, methods, and devices for gathering display device usage data
A display device includes one or more sensors to sense activity in a physical region near the display, as well as a permission component, account component, and a data gathering component. The permission component is configured to determine a permission level corresponding to the display device. The account component is configured to determine an account status that is based on the permission level. The data gathering component is configured to gather usage data for the display device based on the permission level. The usage data includes data from the one or more sensors regarding activity in the physical region near the display device. The transmission component is configured to transmit the usage data to a remote server.
Hierarchical policy-based shared resource access control
Access control for shared computing resources in a hierarchical system is provided herein. An as-needed, “lazy evaluation” approach to access control is described in which an effective access control list for a computing resource is determined after a request is received from a user to access the resource. When resources are shared, access control policies are created and stored in association with the shared resource but are not stored in association with hierarchically related lower-level resources. When an access request for a resource is received, access control policies are collected for levels of a computing resource hierarchy that are higher than the hierarchy level of the resource. An effective access control list is determined based on permissions specified in the collected access control policies. The effective access control list represents an effective propagation of access control policies of higher hierarchy levels to the computing resource.
Techniques for implementing a data storage device as a security device for managing access to resources
Techniques are disclosed for implementation of a data storage device as a security device for managing access to resources. These techniques can be implemented for multi-factor authentication (MFA) to provide multiple layers of security for managing access to resources in an enterprise and/or a cloud computing environments. As a security device, a storage device can be used a portable device to provide a point of trust for multi-factor authentication across any client application or device operated to access resources. A storage device may be configured with security data for authentication with an access management system. After configuration, a portable storage device may be used for authentication of a user without credential information at any client device based on accessibility of the device to the portable storage device. A storage device configured as a security device can ensure that legitimate users have an easy way to authenticate and access the resources.
System and method for controlling access
Systems and methods for controlling access to multiple applications on a computing device are provided. One embodiment of a system includes an access device configured to: receive a request to access a first application and a device identifier; authenticate the user using a user credential associated with the user and store the device identifier in association with a login identifier in response to authentication of the user. The access device can be further configured to receive a request to access a second application and the device identifier. The access device can allow access to the second application based on the previous authentication of the user.
Cooperative data access request authorization in a dispersed storage network
A method begins by storage units of a set of storage units receiving an access request regarding a set of encoded data slices from a user device. The method continues with a storage unit interpreting to determine whether the user device is authorized to access the set of encoded data slices. When the storage unit determines that the user device is authorized to access the set of encoded data slices as requested in the access request, the method continues with the storage unit sending a message to proceed with responding to the access request to the other storage units. When the storage unit determines that the user device is not authorized to access the set of encoded data slices as requested in the access request, the method continues with the storage unit sending a message to disregard the access request to the other storage units.
Methods for security system-agnostic uniform device identification
Systems and methods can comprise receiving an authentication request according to a first security protocol from a user device. Responsive to a determination that the authentication request is trustworthy according to the first security protocol, a device identifier and information related to a shared key are transmitted to the user device. A content request to access content secured according to a second security protocol is received from the user device. The content request can comprise the device identifier and can be encrypted using a shared key derived from the information related to the shared key. The content request can be decrypted using the shared key, and authenticated based on the device identifier.
Analyzing facial recognition data and social network data for user authentication
Tools, strategies, and techniques are provided for evaluating the identities of different entities to protect business enterprises, consumers, and other entities from fraud by combining biometric activity data with facial recognition data for end users. Risks associated with various entities can be analyzed and assessed based on a combination of user liveliness check data, facial image data, social network data, and/or professional network data, among other data sources. In various embodiments, the risk assessment may include calculating an authorization score or authenticity score based on different portions or combinations of the collected and processed data.
Biometric knowledge extraction for mutual and multi-factor authentication and key exchange
Various embodiments relate to a method performed by a processor of a computing system. An example method includes receiving a user identifier and encrypted authentication data from a user. The encrypted authentication data includes a biometric sample encrypted using an encryption key that is generated using a previously established a user secret. The user identifier is matched with a stored user secret. The stored user secret is used to generate a decryption key. The decryption key is used to decrypt the encrypted authentication data. The user secret is extracted from the biometric sample. The user is authenticated by matching the extracted user secret with the stored user secret.
Systems and methods for authenticating users accessing a secure network
Systems and methods are disclosed for providing an unregistered user with access to a network in a secure and efficient manner. A random, on-demand password is generated and the password is associated with an account that permits the user to access the network for a single session only. The account is also associated with a specific IP address. Entry of the password permits access to the network on the IP address associated with the account. At the conclusion of the single session, the password is disposed of such that it will no longer enable access to the network. An access point associated with the network can also be configured to collect marketing information by pairing the IP address with a virtual IP address, in which a user's demographic information is embedded. Such configuration can be used to aggregate data concerning the network activities of users with similar demographic characteristics.
Method and system for secure instantiation of an operation system within the cloud
A method is disclosed for executing a secure virtual machine stored in encrypted form in IaaS cloud such as Microsoft Azure or Amazon Web Services. A first execution environment comprising a key access protocol for accessing a cipher key is initiated. The first execution environment executes the secure virtual machine by accessing a secret for use in deciphering the encrypted form of the secure virtual machine and providing same to allow the secure virtual machine to be executed.
Referral identity system and method of operation thereof
Approaches, techniques, and mechanisms are disclosed for providing referral identity systems and services. The referral identity system can provide a hardware based system for identifying users and the devices they are using and recognizing referrals from one device to another and/or from one user to another. Each of the users can be uniquely identified using a device identifier associated with a device that the user is using. The authentication and identity services can be used to license software and/or devices coupled with such software dynamically using integrated hardware, software, and firmware, and provide a validated identification difficult to spoof.
End-to-end trusted communications infrastructure
A method establishing a trusted end-to-end communication link is disclosed. The method comprises executing a communication application in a trusted security zone of a mobile access terminal. The method also comprises sending a message from the mobile access terminal to a trusted communication application executing in a trusted security zone of a trusted enterprise edge node. The method further comprises sending the message from the trusted enterprise edge node to a trusted cloudlet executing in a trusted security zone of a cloud based server.
Device pairing in a local network
Particular embodiments described herein provide for an electronic device that can be configured to receive registration data for a local network device, receive registration data for an electronic device, receive a request to pair the local network device and the electronic device, where the request to pair the devices includes a pairing code, and allow the pairing if the registration data for the local network device, the registration data for the electronic device, and the pairing code satisfies predetermined conditions. In an example, the pairing code was to the local network device and the electronic device requested and received the pairing code from the local network device.
Method and system for efficient encryption, transmission, and decryption of video data
One embodiment provides a system for efficiently and securely encrypting, transmitting, and decrypting video data, including selective encryption of image frames. During operation, the system obtains by a content-transmitting device, an image frame which is used to form a video stream. In response to determining that the image frame satisfies a predetermined condition for encryption, the system encrypts the image frame based on an encryption algorithm. The system encapsulates the encrypted image frame based on encapsulation information. The system includes encryption identification information for the image frame in the encapsulation information.
Secure data sharing with publicly accessible computing nodes
An embodiment of the invention includes determining a first security status for first information and a second security status for second information, the second security status being more secure than the first security status; establishing a first communication path between the system and a first local computing node via a first wireless path; conveying the first information to the first local computing node via the first wireless path based on the first security status; and withholding the second information from the first local computing node based on the second security status; wherein the first and second information are stored on at least one of the system and a remotely located computing node. Other embodiments are described herein.
Providing a basic firewall using a virtual networking function
Concepts and technologies are disclosed herein for providing a basic firewall using a virtual networking function. A control system having a processor can detect a firewall request that can include a request to create a basic firewall. The processor can analyze a recipe to determine a virtual switch and a basic firewall virtual function that are to provide the functionality of the basic firewall. The processor can trigger instantiation of the virtual switch via a network control function and instantiation of the basic firewall virtual function via a service control function. The processor also can validate the basic firewall. The basic firewall can provide filtering of traffic at the network transport layer using the virtual switch, and as such, the virtual switch may not operate on the application layer.
Systems and methods for permission-based message dissemination in a communications system
The various embodiments described herein include methods, devices, and systems for disseminating messages in a communications system. In one aspect, a method is performed at a server. The method includes: (1) receiving a priority message from a first user of a plurality of users of the communication system, the priority message directed toward one or more users of the plurality of users, including a second user; (2) determining whether the second user has interacted with one or more prior messages of the first user; and (3) in accordance with a determination that the second user has interacted with the one or more prior messages of the first user, sending the priority message to the second user.
Threaded conversation user interface
Embodiments described herein provide a Threaded Conversation User Interface (“TCUI”) on a display area of a computer used to connect a social network. The TCUI comprises a plurality of nested columns. First, second, and third nested columns of the plurality of nested columns includes first, second, and third comments, respectively. The first nested column is positioned at a left margin of the display area, the second nested column is indented a single indentation width from the display area's left margin, and the third nested column is indented multiple indentation widths from the display area's left margin. A type of input gesture is determined from a received input gesture and in response, the TCUI is scrolled. The scrolling is terminated with at least one of second, third, or another nested column positioned at the left edge of the display area, the termination being based at least on the determined input gesture.
Systems and methods for automated and centralized real-time event detection and communication
Centralized hospital communication system and methods are provided for event monitoring and notification. In some embodiments, consistent with the present embodiments, a centralized hospital communication server is disclosed. The centralized hospital communication server may include a memory storing instructions, and at least one processor configured to execute the stored instructions to: receive, from a networked device, event information indicative of an event, the event information including at least one personal attribute of a first individual associated with the event; search a network database for information associated with at least one location within a hospital, the first location information including at least one location attribute; identify, based on the received event information and the received first location information, a selected location for the first individual associated with the event; and automatically generate and transmit at least one electronic communication to a first electronic device associated with the selected location.
RCS origination forking
In an IMS (IP multimedia system) and/or RCS (rich communication services) environment, devices that support origination forking of various message types are configured to register with an IMS network and to provide an indication that they support origination forking. The IMS network is configured to record this information for its subscribing devices. When the IMS network receives a message request from an origination device, the message request is forwarded to termination devices as well as to other supporting devices that are associated with the user of the origination device.
Method and device for communication in a communications network
The embodiments herein relate to a method in a user equipment (605) for communicating with a base station (603) in a communications network (600). The user equipment (605) is configured to communicate with the base station (603) according to a selectable of at least two user equipment categories. The user equipment (605) selects one of the at least two user equipment categories if information indicating the one of the user equipment categories is received from the base station (603). The user equipment (605) selects a default of the user equipment categories if no information indicating which of the user equipment categories is received from the base station (603). The user equipment (605) determines a soft buffer size according to the selected user equipment category. The user equipment (605) communicates with the base station (603) according to the selected user equipment category and applying the determined soft buffer size.
128 gigabit fibre channel physical architecture
The PCS and FEC layers are combined into a single layer and the number of lanes is set at four lanes. The combination allows removal of many modules as compared to a serial arrangement of a PCS layer and an FEC layer. The reduction in the number of lanes, as compared to 100 Gbps Ethernet, provides a further simplification or cost reduction by further reducing the needed gates of an ASIC to perform the functions. Changing the lanes in the FEC layer necessitates changing the alignment marker structure. In the preferred embodiment a lane zero marker is used as the first alignment marker in each lane to allow rapid sync. A second alignment marker indicating the particular lane follows the first alignment marker.
Optimum resource routing using contextual data analysis
Systems, apparatus are defined that provide for determining optimal resource channels for delivering resources using contextual and prior usage data analysis. As such, the present invention is able to determine and communicate to the resource presenter the optimal resource channel, in which optimal is defined as being most beneficial to the resource presenter and/or resource processor. In this regard, the present invention takes into account the efficiency (i.e., time to process), cost, security, usage, and other benefits associated with the resource presenter and/or resource processor in determining which resource channel is optimal for any given resource delivery event.
Request routing based on class
A system and method for management and processing of resource requests is provided. A content delivery network service provider receives a DNS query from a client computing device. The DNS query corresponds to a requested resource from the client computing device. The content delivery network service provider associates the client computing device with a cluster of other client computing devices. Based on routing information for the cluster, the content delivery network service provider routes the DNS query. The process can further include monitoring performance data associated with the delivery of the requested resource and updating the routing information for the cluster based on the performance data for use in processing subsequent requests from client computing devices in the cluster.
Deterministic and optimized bit index explicit replication (BIER) forwarding
A network device creates a forwarding table that includes information associated with a set of destinations in a network, and determines next hops for the set of destinations. The network device populates the forwarding table with information associated with the next hops, and stores the forwarding table. The forwarding table is used to forward a multicast packet toward a multiple destinations, and includes separate entries that depend upon routes the multicast packet is to traverse towards destinations with multiple choices for next hops.
Database protocol for exchanging forwarding state with hardware switches
Some embodiments provide a set of one or more network controllers that communicates with a wide range of devices, ranging from switches to appliances such as firewalls, load balancers, etc. The set of network controllers communicates with such devices to connect them to its managed virtual networks. The set of network controllers can define each virtual network through software switches and/or software appliances. To extend the control beyond software network elements, some embodiments implement a database server on each dedicated hardware. The set of network controllers accesses the database server to send management data. The hardware then translates the management data to connect to a managed virtual network.
Network communication and cost awareness
Network communication and cost awareness techniques are described. In one or more implementations, functionality is exposed through one or more application programming interfaces (APIs) that is accessible to a plurality of applications of the computing device to perform network communication. Data is returned to one or more of the plurality of applications regarding a cost network used to perform the network communication.
Inferring physical layer connection status of generic cables from planned single-end connection events
A work order is generated. The work order comprises a first work order step specifying that a port of a first network element is to be connected to a port of a second network element using a cable. The first and second network elements are configured to detect when connections are made at the specified ports of the first network element and the second network element. A management system is configured to update information it maintains to indicate that there is a connection between the specified port of the first network element and the specified port of the second network element if connections made at the specified ports of the first and second network elements are detected during a period in which the first work order step of the first work order is expected to be performed. A similar technique can be used for disconnecting a cable.
Network system, control method of a network system and control device
A POS terminal 13 generates log data D11 containing status information data indicating the status of a log item targeted for monitoring at a predetermined interval, sends the generated log data D11 as a request to a maintenance server 17, and changes the interval for generating the request data D1 or the interval for transmitting the log data D11 according to a specific condition.
Network traffic monitoring system and method thereof
A network traffic monitoring method includes: collecting sampled packet data of a switch wherein the sampled packet data relates to a plurality of types of packets, selecting a first type of packets from the plurality of types of packets, controlling the switch to collect traffic data of the first type of packets, and estimating a traffic volume of each of the plurality of types of packets according to the traffic data and the sampled packet data.
Sub-topology discovery for operating hybrid solutions
Network topology information may be determined for a plurality of network devices on a network. System identifier information may then be determined for each of the plurality of network devices on the network. The system identifier information may be a list of network solutions that each network device actually or potentially belongs to. The system may then flag the system identifier information to indicate whether each solution is an actual or a potential solution.
Method, device and system for preventing network node aging
The embodiments of the present disclosure disclose a method, a device and a system for preventing network node aging. The method includes: analyzing whether a control plane of a first node exits a Hello detection function due to malfunction; adding a specific identification to first interaction information in the case that the control plane of the first node is not malfunctioned but exits the Hello detection function, the specific identification being used to indicate the state that the control plane is not malfunctioned but exits the Hello detection function; and sending the first interaction information to a second node neighboring the first node, so that the second node determines that the control plane of the first node is not malfunctioned but exits the Hello detection function via the specific identification, and continues to send a refresh message to the first node.
Information processing apparatus, control method, and storage medium storing program
When data subjected to synchronous communication is changed while an information processing apparatus is set in a stop mode in which synchronous communication with a server is stopped, it is determined whether to synchronize the changed data and data in the server. When it is determined to synchronize the changed data and the data in the server, the changed data is transmitted to the server by synchronous communication even if the stop mode is set.
Lag configuration learning in an extended bridge
Techniques for configuring/learning the link aggregation groups (LAGs) of a port extender (PE) at the time the PE joins an extended bridge are provided. According to one embodiment, a first network device in a system of network devices (e.g., an extended bridge) can receive a join message from a second network device in the system, where the join message includes a LAG configuration for one or more LAGs programmed on the second network device. The first network device can further determine whether a provisional LAG configuration for the one or more LAGs of the second network device exists on the first network device. If a provisional LAG configuration does not exist on the first network device, the first network device can learn the LAG configuration included in the join message and can integrate the second network device into the system based on the learned LAG configuration.
Layered datacenter components
Systems and methods for handling resources in a computer system differently in certain situations, such as catastrophic events, based upon an assigned layer of the resource in the system. The layer can be based, for example, on criticality of the resource to the system. Services or devices can be assigned a criticality level representing a layer. The different layers can be treated differently in the case of an event, such as fire, a power outage, an overheating situation and so forth. In response to receiving information about such an event, the different layers can be handled in accordance with their criticality.
Method and apparatus for constructing very high throughput long training field sequences
Techniques are provided for constructing or determining a training sequence as a part of transmission preamble to minimize (or at least reduce) a peak-to-average power ratio (PAPR) at a transmitting node. In one example, a long training field (LTF) sequence of a preamble is determined that combines a set of interpolating sequences with LTF tone values. The LTF tone values may cover at least a portion of bandwidth of a first size, with each of the LTF tone values repeated for different subcarriers. The phases of tones of the LTF sequence may be rotated per bandwidth of the first size and certain tones of the LTF sequence may have a stream of values at pilot locations. For example, the phases of tones of the LTF sequence may be rotated in an effort to reduce PAPR during a transmission of the LTF sequence.
Range extension mode for WiFi
A communication device encodes a plurality of information bits to generate a plurality of encoded bits, and maps the plurality of encoded bits to a plurality of constellation symbols, including mapping each bit to multiple constellation symbols. The communication device generates a plurality of orthogonal frequency division multiplexing (OFDM) symbols corresponding to a physical layer (PHY) data unit using the plurality of constellation symbols, wherein the OFDM symbols are generated such that: the OFDM symbols have a tone spacing that is ¼ of a tone spacing of a legacy wireless communication protocol, and the OFDM symbols span only a subband of a 20 MHz communication channel. The communication device generates a transmission signal using the plurality of OFDM symbols, the transmission signal spanning only the subband of the 20 MHz communication channel.
Transmission device, reception device, transmission method, and reception method
A transmission device including: a memory, and a processor coupled to the memory and configured to, when data is transmitted to a reception device, transmit a first signal that includes the data and a second signal generated by performing, based on identification information of the reception device, phase modulation on a known signal.
Time domain symbols encoder and decoder
A multidimensional symbol encoder is coupled to a transmitter. Multidimensional symbols are encoded by concatenating two or more partial symbols, wherein individual intervals of up and down sections of the two or more partial symbols are independently controlled as to duration. A multidimensional symbol decoder is coupled to a receiver. Multidimensional symbols are decoded by measuring duration of individual intervals i) that are independently controlled as to duration and ii) that are up and down sections of two or more concatenated partial symbols.
Method and device for controlling a lighting system
A controller for accessing a network of lighting system devices, the controller comprising: a communication subsystem configured to allow the controller to be identified as a node on the network, and to communicate according to a first protocol with at least one of said lighting system devices on the network; wherein the controller is configured to detect the presence of a Master lighting system device on the network via the first protocol; wherein the controller is configured to assume a role based on the detection.
Refrigeration unit monitoring, control and feedback system
A monitoring, control and feedback system for a refrigeration unit is provided that includes a wireless transceiver operably connected to the control circuitry of a refrigeration unit. The transceiver is operably connected to the central processing unit (CPU) of the refrigeration unit and receives signals from the CPU regarding the operation of the refrigeration unit. The transceiver wireless communicates these signals to a program or application stored and operating on a suitable user device that displays the signals illustrating the current operational parameters of the refrigeration unit on the user device while also enabling the user to control the operation of refrigeration unit remotely.
Method and apparatus for indicating usage of MBSFN area in wireless communication system
A method for indicating usage of a multicast-broadcast single-frequency network (MBSFN) area in a wireless communication system is provided. A network indicates an identifier indicating usage of an MBSFN area via system information to a user equipment (UE). The UE determines whether to read a multicast control channel (MCCH) corresponding to the MBSFN area according to the received identifier.
Low power twisted pair coding scheme
A transceiver, a communication system and an associated method thereof for reducing overall power consumption and complexity of the transceiver that operates over short reach twisted pair cables. The analog front end (AFE) of the transceiver communicates over at least one twisted pair that is configured only for transmission of data streams and communicates over at least one twisted pair that is only for reception of data streams. The transceiver includes circuitry that generates multiplexed and demultiplexed data streams for communication with the analog front end. Additionally, the transceiver utilizes at least certain portions of signal processing circuitry and AFE of a 10 GBASE-T transceiver or the like.
Secure communication of IOT devices for vehicles
Method for establishing secure communication between a plurality of IoT devices in one or more vehicles include: provisioning the plurality of IoT devices by providing a unique identification, a digital identity token and a cryptographic key to each of the plurality of IoT devices; establishing a secure communication line between the plurality of IoT devices by authenticating respective communication lines between respective IoT devices and issuing a digital certificate to the respective communication lines; grouping the plurality of IoT devices into different groups based on a predetermined criteria; and including a group membership for a group of the different groups in an attribute certificate indicating group characterization.
Secure data transmission using natural language
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for secure data transmission using natural language. One of the methods includes: obtaining sensitive information for a user; obtaining a natural language key for the user, wherein the natural language key for the user includes one or more natural language tokens; generating decoding data for the sensitive information for the user, wherein generating the decoding data comprises: for each place in the sensitive information for the user: assigning a respective one of the natural language tokens in the natural language key for the user to the value at the place, and generating one or more respective dummy natural language tokens for each value of the respective set of possible values for the place other than the value at the place; and providing the decoding data for use in decoding the natural language key into the sensitive information.
System for retrieval of email certificates from remote certificate repository
An email request is received from a client device, where the email request is intended for an email server and includes a request for an email recipient's certificate. The compliance status of the client device is obtained. If the client device is in compliance, the email request is modified, and the modified email request is sent to the email server while a certificate retrieval request in the email request is redirected to a certificate repository implemented in a server separate from a certificate repository maintained by the email server. The email certificate is retrieved from the certificate repository and combined with information received from the email server to generate a response, which is sent to the client device.
Method and device for data encrypting
A method of encrypting data transmitted from a first device to a second device, performed by using an Advanced Encryption Standard (AES) encryption algorithm, includes obtaining size information of an encryption key and size information of data that is to be encrypted and includes a plurality of bits; encrypting a first bit group, which is at least one bit corresponding to a size of the encryption key, among the plurality of bits, by using the encryption key; selecting a third bit group, which is at least one bit of the encrypted first bit group based on size information of the encryption key and a size of a second bit group including bits that are different from the first bit group among the plurality of bits; and encrypting the second bit group and the selected third bit group by using the encryption key.
Analysis device, analysis method and computer readable medium
An analysis device for analyzing a data signal in an electronic system comprises a signal input for receiving the data signal, a memory unit to buffer the data signal, a signal decoder which is coupled to the memory unit and decodes frames of the data signal, an identification unit coupled to the decoder for identifying a number of the frames and/or at least one sub-frame of the frames which comply with a predetermined frame content condition, and a signal processor which is coupled to the memory unit and processes the data signal according to the identified at least one frame or sub-frame and according to respective timing information.
Asynchronous wireless sensing
Low-complexity asynchronous wireless sensing and communication architecture is disclosed for low power wireless sensors. Schemes are based on asynchronous digital communications and Ultra-Wideband impulse radios. In asynchronous radio, combination of frequency-shift-keying (FSK) and on-off-keying (OOK) to remove clock synchronization is applied. Improved asynchronous non-coherent transmitters and receivers achieve both low power and low complexity while seamlessly combined with asynchronous level-crossing modulation. Both uncoded and coded asynchronous communication may be utilized. Coded asynchronous communication may use error correction. Forward error correction schemes for asynchronous sensor communication are utilized where dominant errors consist of pulse deletions and insertions, and where instantaneous encoding takes place. Forward error correction is also accomplished where a continuous-time sparse waveform signal is asynchronously sampled and communicated over a noisy channel via Q-ary frequency-shift keying. Concatenated code employs outer systematic convolutional codes and inner embedded marker codes that preserve timing information and protect against symbol insertions and deletions.
Method and apparatus for transmitting and receiving signal of device to device terminal in wireless communication system
A device to device (D2D) signal transmission method in which a D2D terminal transmits a D2D signal in a wireless communication system according to one embodiment of the present invention comprises the steps of: defining a time-frequency resource range in which the D2D signal is to be transmitted in a subframe; and transmitting the D2D signal through the defined time-frequency resource range, wherein the frequency resource range in which the D2D signal is to be transmitted in the subframe includes a first frequency resource range and a second frequency resource range, positions of the first frequency resource range and the second frequency resource range are defined by an independent parameter, and dimensions of the first frequency resource range and the second frequency resource range are defined by a common parameter.
Rank indicator adaptation based on downlink error rate
A method of inducing increased throughput to a telecommunication device, in which the telecommunication device sets a rank indicator (RI) based on a number of multiple-input multiple-output (MIMO) data streams received and decoded from a base station, determines an error rate of the decoded MIMO data streams, and increases the RI when it is less than a maximum RI and the error rate is less than an RI increase threshold. The RI is reported from the telecommunication device to the base station, which uses the increased RI to increase the number of MIMO data streams it sends to the telecommunication device.
Apparatus and method for downlink and uplink multi-user transmissions
Methods and devices are described that facilitate uplink multi-user acknowledgment transmissions. In particular, acknowledgment information may be located in a media access control (MAC) header of a payload section of a MAC Protocol Data Unit within a downlink multi-user frame. The acknowledgment information may be present in each resource unit of the downlink multi-user frame to indicate to each corresponding station properties/characteristics of a subsequent acknowledgment transmission. The properties may include one or more of (1) whether the acknowledgement transmission is multi-user or single user, (2) whether the acknowledgement transmission is transmitted immediately following receipt of the downlink multi-user frame or upon receipt of a multi-user block acknowledgement request frame, and (3) resource scheduling information for an uplink multi-user acknowledgement transmission.
Alternate channel for carrying selected message types
A method is implemented by a subscriber unit in a wireless communication for establishing a network session. The subscriber unit encodes an acknowledgment message for transmission on a shared reverse link channel to a base station. Acknowledgment information associated with a received session tag at the subscriber unit to the base station is transmitted over the shared reverse link channel, on a condition that the session tag is received from a network server via the base station on a forward link channel and identified by the subscriber unit. The acknowledgment is transmitted on a reverse traffic channel on a condition that the session ID tag is not identified by the subscriber unit.
Method for allocating PHICH and generating reference signal in system using single user MIMO based on multiple codewords when transmitting uplink
The present invention relates to a method for generating an uplink reference signal in a system supporting plural uplink-access transmission modes. The method comprises: a step for transmitting the reference signal configuration information about the configuration of a reference signal from a base station to a user device through an uplink grant PDCCH (Physical Downlink Control Channel), and a step for receiving from the user device a sub-frame including the reference signal that is generated based on the reference signal configuration information. The reference signal configuration information is prepared for plural uplink access transmission modes and includes a cyclic shift value for the sequence of the reference signal. The reference signal is supposed to be transmitted to an uplink, and the user device is set up to be operated in the uplink-access transmission mode that corresponding to the reference signal configuration information.
Method of processing reference signal in wireless communication system and apparatus therefor
The present specification proposes a method of reporting channel quality information (CQI) by a user equipment (UE) to a base station (BS) in a wireless communication system. Specifically, the method includes the step of receiving a cell specific reference signal from the BS; calculating the CQI using the cell specific reference signal on the assumption that a specific number of resource elements (REs) for a demodulation-reference signal (DM-RS) exists; and reporting the CQI to the BS. Especially, if a most recent reported rank is 3 or 4, the specific number of REs for the DM-RS is assumed as a specific value, which is different from a minimum number of REs for the DM-RS or a maximum number of REs for the DM-RS.
Method and apparatus for handling zero power channel state information reference signal configurations for discovery signals in wireless communication system
A method and apparatus for receiving a zero-power channel state information reference signal (CSI-RS) configuration in a wireless communication system is provided. A user equipment (UE) receives at least one first zero-power CSI-RS configuration for data rate matching on a discovery reference signal (DRS) from a network, and receives a second zero-power CSI-RS configuration for interference measurement from the network. The at least one first zero-power CSI-RS configuration is not used for the second zero-power CSI-RS configuration.
Selective uplink transmission timing adjustment of a multicarrier wireless device
A plurality of timing advance groups (TAGs) comprises a first TAG and a second TAG. Uplink transmission timing in the first TAG is derived employing a first cell in the first TAG. The second TAG comprises a first unlicensed cell and a second unlicensed cell. Uplink transmission timing in the second TAG is derived employing at least a first signal received on the first unlicensed cell and a second signal received on the second unlicensed cell.
Carrier aggregation with dynamic TDD DL/UL subframe configuration
A user equipment (UE) communicating in a carrier aggregation (CA) or multi-connectivity operation using more than one component carrier (CC), where at least one of the CCs is enabled to use evolved interference management for traffic adaptation (eIMTA), adapts the hybrid automatic repeat request (HARQ) timing of the UE communications based on changes in the eIMTA and configurations. The HARQ timing includes HARQ acknowledgement (ACK) timing or HARQ scheduling timing.
Signaling methods and apparatus
Processing and transmitting transmission frames. A method for processing a transmission frame, includes receiving a transmission frame including a bootstrap portion, a preamble portion, and a payload portion. The boot strap portion of the received transmission frame is processed, by processing circuitry of a reception apparatus, to extract preamble structure information from one of four bootstrap symbols included in the bootstrap portion. The preamble portion of the transmission frame is decoded, by the processing circuitry, based on the extracted preamble structure information. A first one of the four bootstrap symbols is used for synchronization and a last one of the four bootstrap symbols in the bootstrap portion includes the preamble structure information. Further, the preamble structure information indicates a structure of one or more preamble symbols in the preamble portion that follows the last symbol.
Apparatus and method for transmitting and receiving data in communication system
An apparatus and a method for transmitting and receiving a signal in a communication system are provided. The method includes checking a type of the signal to be transmitted; determining a number of puncture bits according to the type of the signal; and puncturing an encoded signal to be transmitted according to the number of puncture bits.
System and method for a radio access network
A radio manager unit for a radio access network, wherein the radio manager unit is configured to connect to a transport control unit configured to control a transport network between a baseband processing unit and a plurality of remote radio units. The radio manager unit is further configured to connect to a radio control unit configured to control the baseband processing unit. The radio manager unit is further configured to be connected to one or more tenant system of a tenant. The radio manager unit is configured to arrange for resources of the transport network and resources of the baseband processing unit to be configured for use by a said tenant.
Broadcast receiver and control method thereof
Disclosed is a broadcast receiver that includes an antenna connector configured to connect with an antenna for receiving a broadcast signal including broadcast content. The broadcast receiver also includes a signal processor configured to generate a reference signal having a strength corresponding to a signal input through the antenna connector and to process the generated reference signal to output an image signal for displaying the broadcast content, and a controller configured to determine whether the antenna is connected to the antenna connector based on an output value of the reference signal and to perform subsequent operations related to whether the antenna is connected based on the determination.
System and method for quantizing interference profile
The invention concerns a method for quantizing an interference profile for a wireless telecommunication system along a path that a moving device takes, comprising: by the moving device, obtaining, during a measurement windows, measurements related to interference, processing the measurements performed during the measurement window to obtain for consecutive time periods of the measurement window at least a quantized interference related value and a weight representative of the number of measurements made within the time period index which have the same quantitized interference-related value, and transferring feedback information, by the server, receiving the feedback information, determining the location of the moving device along the path which corresponds to the measurement window, and converting the feedback information in a format of a database composed of a matrix comprising locations and interference quantization values, updating the database with the converted feedback information.
Transmission method and apparatus
Embodiments of the present invention disclose a transmission method, where includes: a receiver receives a communication signal, where the communication signal includes an uplink signal and a downlink signal that are transmitted on a same time-frequency resource, the uplink signal and the downlink signal use a same carrier mapping manner; and performs interference cancellation on the communication signal according to the first multiple access manner and the second multiple access manner. In the embodiments of the present invention, an uplink signal and a downlink signal that are transmitted on a same time-frequency resource use a same carrier mapping manner. In this way, after a new technology is introduced, a problem that carrier mapping manners of an uplink signal and a downlink signal that are on a same time-frequency resource are different can be overcome, which helps a receiver of a communication signal perform interference cancellation.
Chromatic dispersion detection method and device for optical transmission network and storage medium
The disclosure discloses a Chromatic Dispersion (CD) detection method for an optical transmission network. Data of two polarization states orthogonal to each other is converted from time-domain data to frequency-domain data, extraction is performed on the frequency-domain data and a linear combination operation is performed on the extracted frequency-domain data, an argument of a CD value of the data of the two polarization states are obtained according to a result of the linear combination operation, and the CD value is estimated according to the argument of the CD value of the data of the two polarization states. The disclosure further discloses a CD detection device for the optical transmission network and a storage medium.
Optical network visualization and planning
Computer-implemented systems and methods for visually presenting spectrum usage of optical spectrum in an optical network include obtaining spectrum data which defines spectrum usage of optical spectrum associated with the optical network including a plurality of nodes interconnected by a plurality of links; and displaying a circular histogram to visually illustrate the spectrum usage based on the spectrum data, wherein each segment of the circular histogram represents an associated portion of the optical spectrum and a visual indicator in each segment represents usage of the associated portion.
Quad tracker with birefringent optics
An optical tracking system for use in a free space optical communication system is described. The system includes a birefringent lens that is positioned to receive incident light and to produce light with a first and a second polarization. The system also includes a focusing lens positioned to receive the light with the first and the second polarizations and to direct the light with the first polarization to a first focal location along the optical axis and the light with the second polarization to a second focal location along the optical axis. A quadrature detector that is positioned between the first focal location and the second focal location receives the light with both the first and the second polarizations, and produces an output that is indicative of an alignment of the optical system.
Optical fiber replacement method in optical network
An optical fiber replacement method in an optical network is provided. The optical fiber replacement method in the optical network is based on blocking due to an optical signal noise ratio limitation, in which standard single-mode optical fibers in an existing optical network are gradually replaced with ultra-low loss optical fibers. With the optical replacement method in the optical network, performance of the optical network can be improved to the greatest extent while ensuring low replacement cost in a process of gradually replacing the optical fibers.
System and method for avoiding mobile relay interference to primary system on authorized frequency spectrum
The present invention provides a system and method for avoiding mobile relay interference to a primary system on an authorized frequency spectrum. In accordance with the system, and with an available-spectrum information provision unit which communicates with the primary system, determine, in accordance with operation information coming from said primary system, authorized-spectrum available-spectrum information capable of being used by a mobile relay when said mobile relay is located in various positional regions surrounding the primary system, and provide the available-spectrum information corresponding to each positional region to a secondary system; using the secondary system and based on the available-spectrum information corresponding to the various positional regions, determine at least one of the positional regions of the primary system, which is experiencing interference from a mobile relay located within the range of base station coverage within the secondary system, and provide each determined positional region to each mobile relay.
Communication apparatus and data relay method
A communication apparatus includes a memory that stores data transmitted using a protocol that a transmission source receives a response indicating a reception status of data and transmits or retransmits the data based on the response, a transmitter that transfers the data stored in the memory to a transfer destination, and a controller that inhibits transmission of the response transmitted to the transmission source when a value pertaining to the data transfer to the transfer destination becomes a given range.
Signal generating method and signal generating device
A transmission method for transmitting a first modulated signal and a second modulated signal in the same frequency at the same time. Each signal has been modulated according to a different modulation scheme. The transmission method applies precoding on both signals using a fixed precoding matrix, applies different power change to each signal, and regularly changes the phase of at least one of the signals, thereby improving received data signal quality for a reception device.
Linear combination codebook for CSI reporting in advanced wireless communication systems
A method of a user equipment (UE) for a channel state information (CSI) feedback in an advanced communication system. The method comprises receiving, from a base station (BS), CSI feedback configuration information for a pre-coding matrix indicator (PMI) feedback based on a linear combination (LC) codebook, wherein the PMI comprises a first PMI (i1) and a second PMI (i2), determining the first PMI (i1) and the second PMI (i2) indicating an LC pre-coder that corresponds to a weighted linear combination of a first beam and a second beam, wherein the first PMI (i1) includes a first beam indicator (i1,1, i1,2) and a second beam indicator (i1,3) that indicate the first beam and a distance (d1, d2) of the second beam in accordance with the first beam, respectively; and the second PMI (i2) indicates weights assigned to the first beam and the second beam. The method further comprises transmitting, to the BS, the CSI feedback over an uplink channel including the determined first PMI (i1) and the second PMI (i2).
Mixed mode operations within multiple user, multiple access, and/or MIMO wireless communications
Mixed mode operations within multiple user, multiple access, and/or MIMO wireless communications. Certain communication systems can include wireless communication devices of various capabilities therein (e.g., IEEE Task Group ac (TGac VHT), IEEE 802.11 amendment TGn, IEEE 802.11 amendment TGa, and/or other capabilities, etc.). In one manner of classification, wireless communication devices having legacy and newer/updated capabilities may inter-operate with one another, operate within a common region, and/or communicate via a common access point (AP). Coordination of such wireless communication devices (e.g., legacy and newer/updated) provides for their respective operation on a same set of clusters in accordance with various operational modes including: (1) time dividing medium access between the wireless communication devices of various capabilities, (2) assigning primary cluster(s) for a first capability set and assigning non-primary cluster(s) for a second capability set, etc., and/or (3) any combination of operational modes (1) and (2).
Information processing method, base station, and user equipment
Embodiments provide an information processing method, a base station, and user equipment. The method includes determining multiple subband groups, where the multiple subband groups are obtained by dividing multiple physical resource blocks corresponding to resource elements (REs) originally occupied by a CSI-RS, and each subband group in the multiple subband groups includes at least one subband. The method also includes determining a reference signal corresponding to each subband group in the multiple subband groups, where the reference signal corresponding to each subband group is generated by performing a precoding operation on the CSI-RS originally carried in first bearer REs in each subband in each subband group. Additionally, the method includes transmitting, by using the first bearer REs in each subband group in the multiple subband groups, the reference signal corresponding to each subband group.
Techniques for supporting multiple bandwidth modes
A method for wireless communication is described herein. The method may include advertising support by a wireless device for a first bandwidth mode and a second bandwidth mode, wherein the first bandwidth mode utilizes a single channel and the second bandwidth mode utilizes channel bonding between a plurality of channels. The method may also include switching a current bandwidth mode of the wireless device from one of the bandwidth modes to the other of the bandwidth modes and adjusting a number of multiple-input, multiple-output (MIMO) spatial streams supported by the wireless device in response to the switching.
Near-field communication (NFC) reader optimized for high performance NFC and wireless power transfer with small antennas
A device for near-field communication (NFC) and wireless power transfer. The device has an antenna resonant circuit that includes an antenna for transmitting and receiving signals, a multi-Q antenna matching circuit for adjusting a Q-factor of the antenna resonant circuit, and an antenna driver for driving the antenna through the multi-Q antenna matching circuit. The device also includes a microcontroller (MCU) configured to control the multi-Q antenna matching circuit to switch between a high-Q mode for wireless power transfer and a low-Q mode for NFC.
Internal antenna of display
A power supply device for an internal antenna of a display is provided. The power supply device includes at least two coils configured to be separated by a predetermined interval and a power supply terminal of the at least two coils to connect the at least two coils in parallel. An integrated circuit (IC) includes the power supply terminal of the at least two coils connects the at least two coils in parallel and supplies a current to the at least two coils through the included power supply terminal. Phases of the current flowing in the at least two coils are the same due to the current supplied by the IC.
Cognitive architecture for wideband, low-power, real-time signal denoising
Described is a cognitive signal processor that can denoise an input signal that contains a mixture of waveforms over a large bandwidth. Delay-embedded mixture signals are generated from a mixture of input signals. The delay-embedded mixture signals are mapped with a reservoir computer to reservoir states of a dynamical reservoir having output layer weights. The output layer weights are adapted based on short-time linear prediction. Finally, a denoised output of the mixture of input signals is generated.
Iterative interference suppressor for wireless multiple-access systems with multiple receive antennas
This invention teaches to the details of an interference suppressing receiver for suppressing intra-cell and inter-cell interference in coded, multiple-access, spread spectrum transmissions that propagate through frequency selective communication channels to a multiplicity of receive antennas. The receiver is designed or adapted through the repeated use of symbol-estimate weighting, subtractive suppression with a stabilizing step-size, and mixed-decision symbol estimates. Receiver embodiments may be designed, adapted, and implemented explicitly in software or programmed hardware, or implicitly in standard RAKE-based hardware either within the RAKE (i.e., at the finger level) or outside the RAKE (i.e., at the user or subchannel symbol level). Embodiments may be employed in user equipment on the forward link or in a base station on the reverse link. It may be adapted to general signal processing applications where a signal is to be extracted from interference.
Apparatus to assist a user with holding a mobile device
An apparatus that facilitates one-handed use of a mobile device has a finger brace configured to brace a user's finger on each of two opposed sides of the point where it is coupled to a flexible member. The flexible member extends through a hole in the back portion of the mobile device's case and is anchored to an interior surface of the back portion of the case. The flexible member's length is such that two fingers of the user's hand can press against the finger brace to brace the mobile device when the two fingers are between the finger brace and the case.
Systems and methods for adaptive averaging in frequency domain equalization systems
An example system comprises a first antenna and a modem. The first antenna is configured to receive a signal from a transmitting radio frequency unit. The signal includes data and a known sequence. The modem is configured to retrieve the known sequence from the signal, transform the known sequence and the data into a frequency domain, calculate averages of groups of neighboring frequency points in the frequency domain to reduce the effect of nonlinear noise in the signal, the neighboring frequency points corresponding to the preamble in the frequency domain, compare the calculated averages to an expected frequency response in the frequency domain, determine a correction filter to apply to the data based on the comparison, apply the correction filter on the data in the frequency domain to create corrected data, transform the corrected data from the frequency domain to the time domain, and provide the data.
A communication module includes a first switch circuit that receives a first or second received signal and that outputs the first received signal from a first terminal thereof or the second received signal from a second terminal thereof, a first low-noise amplifier that amplifies the first received signal, a second low-noise amplifier that amplifies the second received signal, a first filter circuit disposed between the first switch circuit and the first low-noise amplifier, and a second filter circuit disposed between the first switch circuit and the second low-noise amplifier. The first filter circuit has greater signal loss than the second filter circuit. A signal path from the first terminal of the first switch circuit to the first low-noise amplifier via the first filter circuit has a shorter length than that from the second terminal of the first switch circuit to the second low-noise amplifier via the second filter circuit.
System and method for capturing and decontaminating photoplethysmopgraphy (PPG) signals in a vehicle
A system and method for processing photoplethysmography (PPG) signals in a vehicle. The system and method include receiving a PPG waveform signal from an optical sensor. The system and method also include processing a PPG measurement signal based on the PPG waveform signal. The system and method additionally include receiving a noise waveform signal from at least one of: a seat assembly sensor, a vehicle sensor, and a vehicle system. Additionally, the system and method include processing a motion artifacts measurement signal based on the noise waveform signal. The system and method further include processing a refined PPG signal to suppress the motion artifacts measurement signal from the PPG measurement signal.
Switching amplifier circuit with amplitude control
An amplifier circuit including opposing-phase electronic switches, and an output drive circuit that provides an output drive signal in response to output signals from the opposing-phase electronic switches. Each of the opposing-phase electronic are configured and arranged to rapidly switch back and forth in response to an amplifier input signal and based on a power source defined to provide a supply voltage to the switching amplifier circuit. Further, an output-amplitude control circuit is used to limit a maximum-achievable voltage that is applied (e.g., gate or source voltage) to at least one of the opposing-phase electronic switches, with each such applied voltage being less than the supply voltage provided by the power source. Consistent therewith, more specific aspects concern an arrangement or circuit-based system of wireless communication in an automobile, wherein an automotive battery is the power source.
Digital compensation for antenna load mismatch
Methods, apparatuses, and systems for using Digital Signal Processing (DSP) to detect, measure, and/or compensate for, antenna load mismatch are described. One method provides a test sweep signal as digital input to a Digital-to-Analog Converter (DAC) in a transmit path ending with an antenna, and determines a transmit transfer function based on the digital input and digital output from an Analog-to-Digital Converter (ADC) in a loopback path which is electrically connected in parallel with a load impedance of the antenna. The determined transmit transfer function may be used for any of detecting, measuring, and compensating for, antenna mismatch.
Method for transmitting radio signals from a base station, a system and a computer program product
A method, in a telecommunications system, for transmitting radio signals from a base station comprising at least a pair of transmission branches configured to supply output signals for respective antennae of the base station, to at least one terminal comprising at least one antenna, the method comprising splitting a signal for transmission into at least first and second components, applying a phase shift to the first component to generate a modified first component and providing the modified first component and the second component to respective power amplifiers for transmission over the antennae.
Systems and methods for frequency and bandwidth optimization with a single-wire multiswitch device
This disclosure relates to a devices and methods related to satellite information broadcasting. Example embodiments may include frequency shifting an intermediate frequency (IF) signal down-conversion from the microwave-band. As an example, down-conversion involving local oscillators may lead to frequency drift due to varying temperature and/or humidity conditions. Correcting for the frequency drift may provide an opportunity to remove or filter excess bandwidth. Further embodiments may include receiving, in a tuning request, information about a transponder type. A frequency translation module may be adjusted based, at least in part, on the transponder type related to the IF signal being input into the frequency translation module. Such frequency-shifting and transponder-specific filtering may allow Single-Wire Multiswitch (SWM) devices to provide output signals with narrower bandwidth, which may improve signal quality, cable run length, reduce power demands, etc.
Detection of multiple bit errors in random access memories
In one embodiment, a method includes reading a codeword stored to a memory, computing a syndrome word based on a product of the codeword and a parity check matrix derived from a linear block code, setting a flag to a first value indicating that the codeword includes no errors in response to a first determination requiring that the syndrome word is an all-zero vector, setting the flag to a second value indicating that the codeword includes exactly one single-bit error in response to a second determination requiring that the syndrome word equals a column of the parity check matrix, setting the flag to a third value indicating that the codeword includes an odd number of multiple bit errors in response to a third determination, and setting the flag to a fourth value indicating that the codeword includes an even number of multiple bit errors in response to a fourth determination.
Apparatus and method for parallelized successive cancellation decoding and successive cancellation list decoding of polar codes
An apparatus and a method. The apparatus includes a receiver to receive a polar codeword of length mj; a processor configured to determine a decoding node tree structure with mj leaf nodes for the received codeword, and receive i indicating a level at which parallelism of order m is applied to the decoding node tree structure, wherein i indicates levels of the decoding node tree structure, and wherein the mj leaf nodes are at level j; and m successive cancellation list decoders (SCLDs) applied to each child node of each node in the decoding node tree structure at level i−1, wherein each of the m SCLDs executes in parallel to determine log likelihood ratios (LLRs) for a codeword of length mj-i, and wherein each of the m SCLDs uses LLRs of an associated parent node without using a hard decision or a soft reliability estimate of any other node of the other m SCLDs.
Iterative decoder with dynamically-variable performance
A decoding method decodes data iteratively according to a first rule, measures at a selected iteration at least one performance criterion of the decoding of data according to the first rule, performs at the selected iteration a comparison of the at least one performance criterion to a threshold, when the comparison yields a first result relative to the threshold, continues decoding according to the first rule, and when the comparison yields a second result relative to the threshold, continues decoding according to a further rule. Decoding apparatus operates according to the method. The decoding according to the first rule, the measuring at least one performance criterion at the selected iteration, the performing the comparison at the selected iteration, and the continuing decoding according to the first or further rule, may be repeated until the comparison yields a predetermined result. Repeating may be stopped after a predetermined maximum number of iterations.
Use of error correcting code to carry additional data bits
Integrated circuits, systems and methods are disclosed in which data bits protected by error correction code (ECC) detection and correction may be increased such that a combination of primary and additional bits may also be ECC protected using existing ECC allocation, without affecting ECC capabilities. For example, the additional bits may be encoded into phantom bits that are in turn used in combination with the primary bits, to generate an ECC. This ECC may then be combined with the primary bits to form a code word. The code word may be transmitted (or stored) so that when the data bits are received (or retrieved), assumed values of the phantom bits may be decoded, using the ECC, back into the additional bits without the phantom bits or the additional bits ever having transmitted (or stored).
Low density party check (LDPC) decoder and method of decoding performed by LDPC decoder in digital video broadcasting (DVB) system
A low density parity check (LDPC) decoder, including a memory configured to store a log-likelihood ratio (LLR) value of bits output from a demapper, and an LLR message exchanged between a variable node and an inspection node. The LDPC decoder further includes a node processor configured to select a decoding algorithm from a first algorithm and a second algorithm based on a code rate of an LDPC code, and decode the LLR message based on the selected decoding algorithm.
Error correction code (ECC) selection using probability density functions of error correction capability in storage controllers with multiple error correction codes
A method of characterizing a distribution of a maximum number of errors that first cause uncorrectable error correction code failure for hard low density parity check codes includes selecting a low density parity check code, generating encoded data with the low density parity check code and writing the encoded data to a number of memory blocks, reading the encoded data from the number of memory blocks and determining any pages having a first uncorrectable error correction code failure, determining a number of raw bit errors for each page having a first uncorrectable error correction code failure, incrementing an error count value corresponding to each of the numbers of raw bit errors determined, and repeating the generating, reading, determining, and incrementing steps for a predetermined range of values of a predetermined reliability statistic of the memory blocks.
Coding method, decoding method, coder, and decoder
A coding method, a decoding method, a coder, and a decoder, where the coding method includes obtaining the pulse distribution, on a track, of the pulses to be encoded on the track, determining a distribution identifier for identifying the pulse distribution according to the pulse distribution, and generating a coding index that includes the distribution identifier. The decoding method includes receiving a coding index, obtaining a distribution identifier from the coding index, wherein the distribution identifier is configured to identify the pulse distribution, on a track, of the pulses to be encoded on the track, determining the pulse distribution, on a track, of all the pulses to be encoded on the track according to the distribution identifier, and reconstructing the pulse order on the track according to the pulse distribution.
A method of calibrating a first oscillator (102) is disclosed. A temperature is measured to obtain a measured temperature value and a determination is made of whether said measured temperature value differs from at least one previously measured temperature value by more than a threshold amount. If said measured temperature does differ from at least one previously measured temperature by more than said threshold amount, a reference oscillator (108, 110) is used to calibrate the first oscillator (102).
Programmable input/output circuit
A apparatus, having a processing system and an input buffer coupled with both the processing system and one of two IO pads, and a reference buffer coupled to both the input buffer and the second of the IO pads such that the reference generator controls the input threshold of the input buffer in response to an analog voltage received from an external circuit on the second of the IO pads.
Systems, processes and computer-accessible medium for providing logic encryption utilizing fault analysis
Exemplary systems, methods and computer-accessible mediums can encrypting a circuit by determining at least one location to insert at least one gate in the circuit using a fault analysis, and inserting the at least one gate in at least one section of the at least one location. The determination can include an iterative procedure that can be a greedy iterative procedure. The determination can be based on an effect of the particular location on a maximum number of outputs of the circuit.
A device is provided that includes a switch within a package. A first electrical connection is provided between a load terminal of the switch and first pin of the package, and a second electrical connection at least partially different from the first electrical connection is provided between the switch and a second pin of the package. The second pin is different from the first pin.
Signal generation device
A signal generation device, including: an insulation element having transmission and reception units, and isolatedly transmitting an input wave introduced to the transmission unit, to thereby output an output wave from the reception unit; a power unit generating a voltage according to the output wave; a terminal having an output signal corresponding to the voltage; a generation unit generating a control signal; an insulation unit isolatedly transmitting the control signal, and generating a drive signal according to the control signal; a selection unit selecting whether to output the output signal to the terminal, according to the drive signal; a detection unit generating a detection signal indicating the state of the output signal, according to a detection wave obtained from the transmission unit; and a control signal adjustment unit adjusting the control signal according to the detection signal, the output signal being adjusted according to the adjustment of the control signal.
Reconfigurable direct mapping for RF switch control
A circuit architecture and process that provides for a dual-mode methodology for an RF integrated circuit (IC) switch circuit that allows switching between a direct mapping configuration and a fully decoded mapping configuration, and further provides for changing either mapping configuration after fabrication. A control word is selectively compared to a programmed map register value so that, in a first mode, only one bit position of a control word matches a decoded programmed map bit pattern, and in a second mode, all bits of a control word match a corresponding programmed map bit pattern. Because the map registers can be programmed at least once after IC fabrication, the exact mapping required for a particular application can be determined post fabrication. Further, the first mode of operation is often beneficial during testing because multiple RF signal paths can be turned on at the same time and thus tested in parallel.
Method for managing the operation of a low-complexity synchronous retention flip-flop circuit, and corresponding circuit
A synchronous retention flip-flop circuit includes a first circuit module powered by an interruptible power source and a second circuit module powered by a permanent power source. The first circuit module includes a first latch circuit and a second latch circuit which are configured to store at least one datum while the interruptible power source is supplying power. A transmission circuit operates to deliver the at least one datum to the second circuit module before an interruption of the interruptible power source. The second circuit module preserves the at least one datum during the interruption. Following an end of the interruption, a restoring circuit transfers the at least one datum from the second circuit module to the first circuit module via a single one of the first and second latch circuits.
Duty cycle correction circuit for differential driver
A driver circuit includes a differential driver and a duty cycle correction circuit. The differential driver includes differential inputs to receive a differential input signal and a first common mode input to receive a first input common mode voltage and a first differential output to output a first differential output voltage with a first output common mode voltage. The duty cycle correction circuit includes a first tunable voltage reference and a first comparison circuitry configured to generate the first input common mode voltage based on reducing a difference determined by the first comparison circuitry between a first reference voltage generated by the first tunable voltage reference and the first output common mode voltage at the first differential output of the first differential driver.
Resonator element, resonator, and electronic device
A resonator element includes a substrate that vibrates in a thickness shear vibration, a first excitation electrode that is provided on one main surface of the substrate and has a shape in which at least three corners of a virtual quadrangle are cut out, and a second excitation electrode that is provided on the other main surface of the substrate, and a ratio (S2/S1) of an area S1 of the virtual quadrangle and an area S2 of the first excitation electrode satisfies a relationship of 69.2%≤(S2/S1)≤80.1%.
Surface acoustic wave element
A surface acoustic wave element includes: a first input wire; a first IDT connected to the first input wire; a second input wire; a second IDT connected to the second input wire; an output wire; and a third IDT connected to the output wire and installed between the first IDT and the second IDT, wherein the first input wire, the second input wire and the output wire are adjacent to each other and withdrawn in a same direction, and a capacitance pattern for applying capacitance is connected at least either between the first IDT and the third IDT or between the second IDT and the third IDT.
Average power tracking mode power amplifier using dual bias voltage levels
An average power tracking mode power amplifier is disclosed herein. The average power tracking mode power amplifier includes a Power Amplifier (PA), a first Direct Current (DC)-DC voltage converter, and a second DC-DC voltage converter. The PA includes a driver stage configured to be driven by first drive voltage and a main amplification stage configured to be driven by second drive voltage. The first DC-DC voltage converter generates the first drive voltage from power voltage so that the first drive voltage is equal to or higher than the power voltage, and applies the generated first drive voltage to the driver stage. The second DC-DC voltage converter generates the second drive voltage from the power voltage so that the second drive voltage is higher than the first drive voltage, and applies the generated second drive voltage to the main amplification stage.
Power amplification division circuit and multi-stage type power amplification division circuit
A power amplification division circuit includes a conversion element having a one-turn annular first inductor and an N-turn annular second inductor in a shape along a portion of the first inductor and converting an input signal into positive and negative phase signals, a first transistor in which a source is connected with a third power source and a gate receives the positive signal, a second transistor in which a source is connected with a fourth power source and a gate receives the negative phase signal, a first impedance circuit connected between the gate of the first transistor and a drain of the second transistor, a second impedance circuit connected between the gate of the second transistor and a drain of the first transistor, and an output matching circuit connected with the drains of the first and second transistors and outputting first and second divided signals.
Power amplifier module
A power amplifier module includes an amplifier that amplifies an input signal and outputs an amplified signal, an emitter follower transistor that supplies a bias signal to the amplifier to control a bias point of the amplifier, and a current source that supplies a control current which changes in accordance with a change in control voltage to a collector of the emitter follower transistor. The current source limits the control current to not greater than an upper limit.
Resonator device, manufacturing resonator device manufacturing method, oscillator, electronic apparatus, vehicle, and base station
A resonator device includes a resonator element, a package that accommodates the resonator element, a temperature control element arranged on a first surface of the package, and a circuit part arranged on a second surface of the package that faces away from the first surface.
Transformer based shielded oscillator
An oscillator includes a first output node and a second output node. There is a tank circuit coupled between the first output node and the second output node. There is a first transistor having a first node, a second node coupled to a current source, and a control node coupled to the second output node. There is a second transistor having a first node, a second node coupled to the current source, and a control node coupled to the first output node. There is a first inductor coupled in series between the first node of the first transistor and the first output node. There is a second inductor coupled in series between the first node of the second transistor and the second output node.
Fiber coupled solar cell modules for concentrated operation in consumer electronics applications
A device includes a body and a rechargeable battery positioned within the body. A solar cell is coupled to the body and in communication with the battery. A connector is coupled to the body and configured to engage a corresponding connector of a fiber optic cable.
Methods and devices for coupling solar panel support structures and/or securing solar panel support structures to a roof
A mounting unit for mounting a solar panel on a roof includes a base having a first flange and a second flange that extend laterally from the base and a mounting surface positioned above the base via walls that connect the mounting surface and the base. The mounting surface is couplable with the solar panel to elevate and orient the solar panel above a surface of the roof. The mounting unit also includes a flexible membrane material that is coupled with the first flange of the base and that extends laterally therefrom. The mounting unit further includes an adhesive or tape that is applied to an underside of the second flange so that the second flange is free of the flexible membrane material. The flexible membrane material is couplable with the roof and the adhesive or tape is adherable to the roof to secure the mounting unit to the roof.
Solar thermal energy—field electron emission power generation device
The present invention relates to a solar thermal energy-field electron emission power generation device, which is formed by a solar cooker and a heat-field electron emission power generation body. Based on the metal heat-field electron emission experiment, magnetic focusing and magnetic insulation are adopted to form the power generation device, which has characteristics of environmental protection, low cost and high efficiency. Therefore, the power generation device of the present invention can be widely applied to companies and individuals without common electric circuits, such as graze, sentry post, forest protection, cultivation of high seas, and marine power.
Power supply system for electric vehicle
A power supply system for an electric vehicle includes a battery, an inverter configured to supply alternating-current electric power to a motor for traveling, a first voltage converter connected between the battery and the inverter, a second voltage converter connected in parallel with the first voltage converter, a temperature acquisition unit configured to acquire a temperature of the first voltage converter, a current acquisition unit configured to acquire magnitude of a current flowing in the second voltage converter, and a controller. Each of the first voltage converter and the second voltage converter includes two switching elements, two diodes, and a reactor.
Method and control arrangement for controlling a reactive power source
The present invention relates to a method for controlling a reactive power source in a wind power plant, the method comprising the steps of providing a wind turbine reactive power control signal and providing an active power reference signal, said active power reference signal being a measure of an active power production of the wind power plant. A control signal for the reactive power source is generated by combining the wind turbine reactive power control signal and the active power reference signal in such a way that the control signal for the reactive power source becomes a weighted signal of the wind turbine reactive power control signal. Moreover, the present invention relates to control units and wind power plants suitable for carrying out the present invention.
Stepper motor drive and stall detection circuit
A first differential amplifier output drives a first winding of a stepper motor and a second differential amplifier output drives a second winding of the stepper motor. Inputs of the first and second differential amplifiers receive input drive signals generated by either a digital to analog converter or a pulse width modulator, where the input drive signals are phase offset sinusoids. Current flowing through a stepper motor winding is sensed to generate a current sense signal. A stall sensing circuit processes the current sense signal to determine whether the stepper motor has stalled by: taking a first derivative of the current sense signal to generate a first derivative signal; taking a second derivative of the current sense signal to generate a second derivative signal; and processing one or more of the current sense signal, the first derivative signal and the second derivative signal to detect a stepper motor stall condition.
Electric power conversion device
In an electric power conversion device which performs power conversion between multiphase AC and DC, a first converter cell of a first arm for each phase of a power converter includes: a capacitor; a Leg A having upper and lower arms having switching elements; and a Leg B having upper and lower arms one of which has a switching element and the other of which has only a diode, and a second converter cell of a second arm includes: a capacitor; and a Leg Aa having upper and lower arms having switching elements. A control device has a steady mode and a protection mode. When short-circuit between DC terminals of the power converter is detected, the control device switches from the steady mode to the protection mode, turns off all the switching elements of the first converter cell of the first arm, and controls the second converter cell of the second arm so as to perform reactive power compensation operation.
Precharge device applied in flying capacitor type multi-level converter circuit and frequency converter having the precharge device
The present disclosure provides a precharge device and a frequency converter. The precharge device is applied in a flying capacitor type multi-level converter circuit, and the multi-level converter circuit includes: a flying capacitor, a bus capacitor, a first and second semiconductor components, wherein the first semiconductor component is electrically connected between a first end of the flying capacitor and a first end of the bus capacitor, and the second semiconductor component is electrically connected between a second end of the flying capacitor and a second end of the bus capacitor; and the precharge device includes: an AC source; and an auxiliary circuit electrically connected with the AC source, wherein the auxiliary circuit reuses the first and second semiconductor components, and the AC source charges the flying capacitor and the bus capacitor through the auxiliary circuit.
Adaptive control of resonant power converters
A power converter including a transformer, a resonant circuit including the transformer and a resonant capacitor having a characteristic resonant frequency and period, and output circuitry connected to the transformer for delivering a rectified output voltage to a load. Primary switches drive the resonant circuit, a switch controller operates the primary switches in a series of converter operating cycles which include power transfer intervals of adjustable duration during which a resonant current at the characteristic resonant frequency flows through a winding of the transformer. The operating cycles may also include energy recycling intervals of variable duration for charging and discharging capacitances within the converter. A gate driver includes a transformer, a plurality of switches, a current monitor, and a controller that operates the switches in a series of driver operating cycles having adjustable ON periods and adjustable transition periods during which capacitances are resonantly charged and discharged.
Switched-mode power supply controller using a single pin for both input voltage sensing and control of power supply charging
Circuits and methods within a switched-mode power supply (SMPS) controller are provided. The SMPS controller includes an SMPS power stage which is integrated within the same package, and which has a first power switch. The first power switch is used to supply current to a power supply for the SMPS controller during a start-up phase of the SMPS, thereby charging this power supply prior to normal operational mode of the SMPS. A lead of the SMPS controller is connected to a control terminal of the first power switch during the start-up phase. After the start-up phase, this same lead is instead routed to an input source voltage monitor, and is used for detecting overvoltage or undervoltage conditions at the SMPS input power source.
Control method for power transmitter, power transmitter and noncontact power transfer apparatus
A control method for a power transmitter, a power transmitter and a noncontact power transfer apparatus are disclosed. An inverter in the power transmitter is controlled to be intermittently input a voltage in the standby mode, and the input voltage of the inverter is controlled to show a gradually increasing or gradually decreasing trend when there is a voltage value input in the standby state. According to the control method for the power transmitter, the power transmitter and the noncontact power transfer apparatus of the present disclosure, it can achieve smooth transition from the standby state to the normal state, and the standby efficiency and the normal operation efficiency can both be improved.
Pre-distortion of sensed current in a power factor correction circuit
A controller for use in a power factor correction converter includes a power factor enhancer that includes a zero-crossing detector coupled to receive an ac line input voltage signal and is coupled to output a zero-crossing signal. A peak detector is coupled to receive the ac line input voltage signal and the zero-crossing signal and is coupled to output a peak signal. A peak modulator is coupled to receive the zero-crossing signal and is coupled to generate a peak modulation function. A line feed forward function generator is coupled to generate a line feed forward function. A multiplier is coupled to receive the peak modulation function and the line feed forward function, and is coupled to output a pre-distortion signal each half line cycle.
Apparatus and method of fast commutation for matrix converter-based rectifier
A method of commutation in a matrix rectifier from an active vector to a zero vector includes two steps. A method of commutation in a matrix rectifier from a zero vector to an active vector includes three steps.
Power ripple compensation
A multi-level inverter having one or more banks, each bank containing a plurality of low voltage MOSFET transistors. A processor configured to switch the plurality of low voltage MOSFET transistors in each bank to switch at multiple times during each cycle.
Kinetic energy harvesting methods and apparatus
A system, method, and apparatus for kinetic energy harvesting are disclosed. An example kinetic energy harvesting apparatus includes a tubular-shaped magnet housing and an end-cap magnet configured to connect to an end of the magnet housing. The apparatus also includes a wire coil configured to be connected to the magnet housing. The apparatus further includes a central magnet configured to be located within the magnet housing and suspended via the end-cap magnet.
Linear vibration motor
A linear vibration motor includes a housing, a PCB at least partially covered by the housing, a sliding pair, a vibrator suspended in the housing by the sliding pair, the vibrator including a plurality of holes in a middle portion thereof for receiving a magnet assembly, a driving coil assembly located on the lid and facing the magnet assembly for actuating the magnet assembly oscillate along a direction paralleled to the bottom wall of the crust, a pair of gas springs separately located at two ends of the vibrator for providing a constantly and alternatively restoring force to vibrator for oscillating freely.
Stator and electric pump
A stator may include a stator yoke including one or more yoke portions extending along a circumferential direction of the stator yoke; and a cover configured of resin. The stator yoke may include: a contact part at which an end surface of one yoke portion among the one or more yoke portions in the circumferential direction contacts the other end surface of the one yoke portion in the circumferential direction; a first groove extending along an axial direction of the stator yoke in a vicinity of the contact part; and a second groove extending along the axial direction and disposed at a position spaced father away from the contact part than the first groove. The cover may include a filling that fills the first groove, and the second groove may be hollow.
Electric motor having insulator frame and elements to close winding slots
An electric motor includes a stator and a rotor. The stator includes a stator core, a stator winding, a first insulating frame, a number of first insulating elements, and a number of second insulating elements. The stator core includes a number of teeth. Adjacent teeth form a winding passage defining a winding opening. Each first insulating element is assembled within the corresponding winding passage. Two end portions of each second insulating element are placed over the corresponding winding opening.
Armature for an electric machine
An armature for an electric machine according to the present invention includes: an armature core in which a plurality of slots are arranged in a circumferential direction; and an armature winding that is mounted to the armature core, and includes a plurality of two-lane winding bodies that are each produced by stacking and winding two jointless continuous conductor wires that are coated with insulation such that the two conductor wires are stacked in a radial direction of the armature core, the two-lane winding bodies being arranged at a pitch of one slot in a circumferential direction so as to be mounted into a third slot, a first slot, and a second slot that line up consecutively in the circumferential direction at an angular spacing of six slots.
Production method for rotating electrical machine
Bridge portions forming coil end portions, at both ends in an axial direction, of a stator of the rotating electrical machine according to the present invention are configured coaxially about an axis of the stator; at least one bridge portion of the bridge portions of each coil at both ends in the axial direction is located outward of an inner peripheral surface of the stator; and a gap is present between an end surface of a stator core in the axial direction and each bridge portion.
Rotary electric machine and electric vehicle provided with same
A rotating electric machine, which can achieve improvement of a reluctance torque, reduction of stress and improvement of a power factor at the same time, and can also realize high output, and an electrically driven vehicle having the rotating electric machine are provided. A permanent magnet is arranged on a q-axis that connects magnetic poles of a rotor; a gap is formed in a radial direction of the permanent magnet; another permanent magnet is arranged facing the said permanent magnet so that these permanent magnets may sandwich a d-axis which connects centers of the magnetic poles; and another gap is formed at a position corresponding to a position of the said gap. Further, a first virtual line that coincides with a boundary of a permanent magnet insertion hole, which is arranged facing the d-axis, on an inner circumference side of a rotor core; and a second virtual line that is concentric with an inner circumference of the rotor core and contacts the first vertical line are set so that the second virtual line on the innermost circumference and the first virtual line have two or more tangent points.
Permanent magnet rotor with intrusion
Exemplary embodiments advantageously enable use of the structure of an interior magnet machine to emulate the function of a synchronous reluctance machine. In exemplary embodiments, a rotor for an electric machine, comprises a first magnet, a second magnet, a first non-magnetic region located between a first end of the first magnet and a second end of the second magnet, the first non-magnetic region having a first magnetic permeability value, a second non-magnetic region located radially between the first magnet and an edge of the rotor, the second non-magnetic region having a second magnetic permeability value, the second magnetic permeability value being relatively lower than the first magnetic permeability value, and an intrusion extending radially from an edge of the rotor and into the first non-magnetic region. An azimuthal width of one of the non-magnetic regions is larger than the azimuthal width of the other non-magnetic region. In exemplary embodiments, the intrusion has at least one magnetic portion. In exemplary embodiments, the intrusion also has at least one non-magnetic portion. The intrusion could be completely non-magnetic, partially magnetic, or completely magnetic. The intrusion could be multi-segmented.
Reluctance rotor having an additional inherent magnetization
The invention relates to a rotor (10) for a reluctance machine (E), wherein the rotor (10) has a laminate stack (14) with layers (16), each of the layers having a plurality of flux-conducting portions (24) which are formed in each case by a magnetically conductive rotor lamination (18) and extend between two adjacent d-axes and transversely to a respective q-axis (30), wherein the flux-conducting portions (24) are separated from each other by in each case a flux barrier (22) which is filled with a casting compound. The aim of the invention is to additionally provide a permanent magnetic excitation in the rotor (10) without degrading the reluctance of the rotor. To this end, the invention provides that the casting compound comprises permanently magnetic particles (36) in one or more or each of the flux barriers (22).
Device for preventing vibration of stator core for power generator
A device for preventing a vibration of a stator core for power generator includes: a ring-shaped fastening band installed to enclose an outer circumferential surface of a stator core to support the stator core; a plurality of key bars coupled with the fastening band to be coupled with the stator core; and a plurality of elastic portions coupled with the fastening band to insulate vibrations in a diameter direction and an outer circumferential direction of the stator core, in which a diameter of the fastening band is extendible.
A mobile charging device may be used to move a battery or a power cord to a target device. The target device may be a vehicle or other equipment with a battery. Power from the power cord or battery in the charging device may be used to provide power to the target device to recharge the battery in the target device. The charging device may couple a power cord to the target device, may couple a connector in the charging device to the target device, or may use a wireless power transfer element such as a coil antenna to transfer power wirelessly to the target device. Sensors may be used to facilitate alignment between the charging device and target device. Sensors may also be used to dynamically detect and avoid foreign objects in the path of the charging device.
Method for adjusting output power for induction type power supply system and related supplying-end module
A method is used for a supplying-end module of an induction type power supply system, for adjusting output power of the induction type power supply system. The method includes driving a supplying-end coil of the supplying-end module by using a first driving signal and a second driving signal, and setting a phase shift quantity between the first driving signal and the second driving signal; detecting a coil signal of the supplying-end coil to determine a peak location of the coil signal; determining a peak deviation rate of the peak location according to a starting point of a period of the second driving signal and a zero load point; and adjusting the phase shift quantity according to the peak deviation rate, in order to adjust the output power.
Methods and apparatus to increase efficiency for wireless power transfer
Methods, apparatus, systems and articles of manufacture to efficiently transfer power wirelessly are disclosed. An example apparatus includes a feedback loop to when a second current value is greater than a first current value, change a direction value, the second current value being obtained after the first current value; when the second current value is less than the first current value, maintain the direction value; and a summer to when the direction value corresponds to a first direction value, increase a reference signal by a step size; and when the direction value corresponds to a second direction value different than the first direction value, decrease the reference signal by the step size.
The present disclosure provides a charging system that includes a charging adapter and a mobile terminal. The charging adapter includes: a second USB interface; and an adjusting circuit for rectifying and filtering the mains supply to obtain an original power signal, for performing a voltage adjustment on the original power signal, and for outputting a power signal after the voltage adjustment. The mobile terminal includes a first USB interface. P first power wires in the first USB interface and P second power wires in the second USB interface are correspondingly coupled, and Q first ground wires in the first USB interface and Q second ground wires in the second USB interface are correspondingly coupled. Because each first power wire and a corresponding second power wire are coupled, at least two charging circuits can be provided, and the charging system supports charging with a large current more than 3 A.
Systems and methods for series battery charging
Systems and methods for charging and discharging a plurality of batteries are described herein. In some embodiments, a system includes a battery module, an energy storage system electrically coupled to the battery module, a power source, and a controller. The energy storage system is operable in a first operating state in which energy is transferred from the energy storage system to the battery module to charge the battery module, and a second operating state in which energy is transferred from the battery module to the energy storage system to discharge the battery module. The power source electrically coupled to the energy storage system and is configured to transfer energy from the power source to the energy storage system based on an amount of stored energy in the energy storage system. The controller is operably coupled to the battery module and is configured to monitor and control a charging state of the battery module.
Battery overcharge preventing device
Provided is a battery overcharge preventing device. The battery overcharge preventing device may sense an over-voltage using a voltage of a battery cell as input power of a passive element and cut off power supplied to a battery at the time of overcharge of the battery.
Power-domain current balance
One example discloses an apparatus for power management, including: a current sink/source sensor configured to monitor a power-supply to inter-power-domain sink/source-current and to generate a current mismatch signal if the power-supply to inter-power-domain sink/source-current exceeds a threshold range; and a current imbalance controller coupled to receive the current mismatch signal and configured to generate a set of power-domain control signals; wherein the set of power-domain control signals reduce an absolute value of the power-supply to inter-power-domain sink/source-current.
Apparatus and method for prediction of an energy brown out
A method for predicting when energy consumption on a grid will exceed normal production capacity for buildings within the grid including retrieving a plurality of baseline energy use data sets for the buildings from a baseline data stores; generating data sets for each of the buildings, each set comprising energy consumption values along with corresponding time and outside temperature values, where the energy consumption values within each set are shifted by one of a plurality of lag values relative to the corresponding time and outside temperature values, and where each lag value is different; performing a regression analysis on each set to yield corresponding regression model parameters and a corresponding residual; determining a least valued residual indicating a corresponding energy lag for each of the buildings; and using outside temperatures, regression model parameters, and energy lags for all of the buildings to estimate a cumulative energy consumption for the buildings, and to predict the time when energy consumption on the grid will exceed normal production capacity.
Method and device for monitoring an electrical network in a rail vehicle, and rail vehicle
The invention relates to a device and to a method for monitoring an electrical network in a rail vehicle. The electrical network includes at least one converter, at least one drive motor, at least one first phase line for electrical connection of the at least one converter and the at least one drive motor. A magnitude of a current change of a first phase current is determined. A network error in a partial network on the machine side is detected if at least one criterion based on the current change is met. The criterion based on a current change is met when the magnitude of the current change of the first phase current is greater than a predetermined current change threshold.
Ion generator device support
The present disclosure is directed to ion generator device supports. An ion generator device support is configured to retain an ion generator device, the ion generator device having a first portion containing exposed electrodes and a second portion, the support includes a first wall, a second wall extending orthogonally from the first wall and a third wall extending orthogonally from the first wall opposed to the second wall, wherein the third wall extends a smaller distance from the first wall than the second wall, wherein the third wall comprises an orthogonal extension section that extends from the edge of the third wall towards the second wall and is substantially parallel to the first wall.
Laser, laser modulation method and laser combination system
In the field of optical networks, a laser, a laser modulation method and a laser combination system are disclosed. The laser includes a gain medium, a resonant cavity, and a second microring resonator. The resonant cavity includes a first cavity mirror and a second cavity mirror. The first cavity mirror is located at one port of the gain medium, the second cavity mirror is located at another port of the gain medium, and the second cavity mirror includes a splitter, a first microring resonator, and a reflecting grating.
GaN pumped ruby laser
A diode pumped solid state laser is provided which includes a ruby crystal optical gain medium and a high bandgap semiconductor laser diode (LD) or light emitting diode (LED) pump source to directly optically pump the gain medium. The high-bandgap semiconductor LD or LED is a semiconductor device whose chemical composition is chosen to provide output radiation at an approximate wavelength of ˜405 nm. The ruby crystal produces laser output at the relatively short wavelength of ˜694 nm.
Contacting part for a drive module, drive module, and method for producing a contacting part
The invention relates to a contacting part (5) for a drive module (1), comprising: a main body for providing contacting of a brush-commutated drive motor (2) by means of brushes; at least one supply line (62), in particular a punched-grid line (62), for electrically contacting the drive motor (2); a circuit surface (57), to which a conducting track is directly applied by means of an MID technique; and at least one component (59), in particular a surface-mounted device (59), which is electrically connected to the conducting track (58).
Electrical connector with an insulating body integral with a housing
The present disclosure provides a power adapter including a first housing, a second housing, a circuit board, an electrical connector and a power cord. The first housing and the second housing are assembled together and define an interior space. The circuit board is accommodated in the interior space. The electrical connector is electrically connected with the circuit board and includes an insulation body and plural pins. The insulation body comprises a concave and a bottom wall, and the insulation body and the first housing are integrally formed into one piece. Each pin is partially located in the concave, partially embedded in the bottom wall, and partially extended outwardly from the bottom wall. The power cord is electrically connected with the circuit board.
An adapter assembly includes an adapter board. A first connector assembly is coupled to the adapter board and is configured to releasably electrically couple the adapter board to a high-availability IT component. A second connector assembly is coupled to the adapter board and is configured to releasably couple the adapter board to an industry standard expansion card. The adapter assembly is configured to be positioned within an enclosure of a hot swappable IT carrier assembly.
Electrical junction box system
The invention described herein is an electrical junction box system according to a preferred embodiment of the present invention where an electrical junction box comprises a housing formed by a pair of side walls, a bottom wall, a top wall, and a rear wall combining to define an open-faced box, where the housing further comprises a plurality of wire attachment terminals, at least one female pin socket, at least one bussbar electrically coupling an upper set of wire attachment terminals to a lower set of wire attachment terminals, and an external securing means allowing the housing secure placement within a recess of a wall. Additionally, an electrical device is structured to removably electrically attach to the housing, the electrical device further comprising at least one male pin extending outward from an inside surface, and an electrical activation means located on an outside surface.
Power plug structure for light emitting electric power cord
A power plug structure for light emitting electric power cord is disclosed, wherein a plug body is internally combined with a circuit board comprising at least a circuit device and two conductive boards, in which the circuit device includes at least a light emitting diode (LED), and the LED respectively corresponds a light guiding line within a power line; accordingly, when the two conductive boards guide alternative current (AC) power to the LED, the circuit device can drive the LED to generate light such that the light guiding line can integrally illuminate because of the light conduction, and the entire electric power cord can glow outwards through the translucent cladding.
PC board mounted jack connector assembly
Disclosed is a PC board jack assembly that reduces or eliminates signal loss with an audio plug. The jack assembly employs a support housing having a passageway sized to receive the audio plug with connectors to engage the opposite sides of a conventional audio jack. The jack assembly provides secure attachment to a PC board to avoid trace lifting.
Disclosed are various embodiments of communications connectors. In one example, a communications jack includes a housing, a sled assembly, a printed circuit board, and a plurality of intermediate contacts. The sled assembly sled assembly is movable within the housing when a communications plug is inserted in the housing. The sled assembly includes a sled and a sled PCB connected to the sled. The sled assembly also includes a plurality of plug interface contacts (PICs) connected to the sled PCB. The intermediate contacts are connected to the sled PCB at first ends of the intermediate contacts, and are connected to the other PCB at second ends of the intermediate contacts.
Socket structure capable of preventing plugs from dropping off
A socket structure is disclosed, which includes a socket body combined with a slantingly installed positioning plate, an opening is configured on the positioning plate and corresponds to a neutral wire power jack on the socket body, a high edge of the positioning plate is pushed and abutted by the top end of a release piece whose bottom includes a first elastic body, while a second elastic body abuts the positioning plate close to the high edge, the elasticity in the second elastic body is smaller than the elasticity of the first elastic body; in addition, when the positioning plate is in the inclination state, it is possible to snap in fixation the neutral wire insertion plate by means of the opening in the positioning plate; upon pressing down the release piece, however, the high edge of the positioning plate can be pushed downwards by means of the second elastic body such that the positioning plate stably turns back to a horizontal state thereby releasing the neutral wire insertion plate of the electric power plug.
Anti-shedding power cable plug
The present invention discloses an anti-shedding power cable plug, comprising a power cable and a plug body. The plug body includes a hollow housing, the housing includes a lower housing and an upper housing, and the housing accommodates a lock insert and conductive pins. The lock insert includes an inner sleeve, a stepped groove is arranged in the middle of the inner sleeve, a supporting protrusion is arranged on the outer side of the stepped groove, a first rotating hole is arranged transversely on the inner side of the stepped groove. In the present invention, the anti-shedding hook enables the power cable plug to be locked on the socket, thereby preventing the power cable from shedding during use so as to improve the reliability.
A connector assemblies having a plurality of terminal cavities configured to hold a plurality of first terminal connections and a plurality of second terminal connections so as to minimize the bending of smaller wires is provided. The connector assembly includes a housing having a terminal board. The terminal cavities are disposed on the terminal board. The terminal cavities include a plurality of first terminal cavities configured to receive the plurality of first terminal connections and a plurality of second terminal cavities configured to receive the plurality of second terminal connections. The first terminal cavities are generally centered on the board so as to minimize a bend of the first wires when the plurality of first terminal connections are bundled with the plurality of second terminal connections.
A connector structure includes a first connector housing, a second connector housing accommodating the first connector housing, and a cover which restricts a leading-out direction of a wire led out from the first connector housing. The first connector housing, the second connector housing, and the cover are integrally assembled. The cover includes a cover flange, a cover hood formed on a side in the cover flange, a cover arm protruding from a side opposite to the cover hood in the cover flange, and a cover projection protruding from the side opposite to the cover hood in the cover flange and facing part of the cover arm.
Low-profile power and data contacts
Contact structures that are readily manufactured, where contacts in the contact structures consume a minimal amount of surface area, depth, and volume in an electronic device.
Multi-purpose female metal terminal and female terminal connector
A multi-purpose female metal terminal has a substrate. A front end of the substrate is formed with an elastic sheet. The elastic sheet is bent to form a curved segment for a male terminal to be selectively horizontally overlapped with the multi-purpose female metal terminal. A middle of the elastic sheet is formed with a gap for the male terminal to be selectively vertically interconnected with the multi-purpose female metal terminal. A female terminal connector is provided. The multi-purpose female metal terminal has a simple structure, and can be transversely or vertically connected with the male terminal, and has strong adaptability.
Cartridge heater assembly
A cartridge heater assembly and method or assembly. The cartridge heater assembly includes a cartridge heater. A first electrical contact member is provided in electrical and mechanical engagement with the cartridge heater. The first electrical contact member has first mounting legs which are dimensioned to be press fit into first openings of a circuit board. A second electrical contact member is provided in electrical and mechanical engagement with the cartridge heater. The second electrical contact member has second mounting legs which are dimensioned to be press fit into second openings of the circuit board. An insulating member is provided between the first electrical contact member and the second electrical contact member.
Press-fit terminal and manufacturing method for same
A press-fit terminal and a manufacturing method for the same that enable plating on the surface of a pressure contact part to be in a stable state is provided. A first pressing part on a lateral edge apart from a slit and a first raised part projects further on one side than the first pressing part between the slit and the first pressing part are provided in a central portion of a first elastic pressure contact piece, with a pressure contact part being the first raised part, and a second pressing part 36 on a lateral edge apart from the slit and a second raised part that projects further on the other side than the second pressing part between the slit and the second pressing part are provided in a central portion of a second elastic pressure contact piece, with a pressure contact part being the second raised part.
The disclosure relates to a contact element consisting of a press-in section which is formed by two adjacently running shanks. The shanks are connected to one another in a firmly bonded manner at their upper shank ends by a connection section. The shanks run subsequently substantially parallel to one another in an upper section and then at first away from one another in a middle section and then run back onto one another again and then run parallel and adjacently again in a lower section and are again connected to one another in a firmly bonded manner at their other end on the insertion side by an introductory section. At the transition of the connection section to the upper section the interval A of the two shanks is greater at least in a partial area, preferably over the entire thickness in the direction transverse to the previously cited direction of width of the contact element than the interval in the upper section.
Electrical connector having an improved terminal
An electrical connector includes: an insulative housing comprising a base portion and a tongue portion extending forwardly from the base portion; a number of upper and low terminals mounted in the insulative housing and exposed to an upper surface and a lower surface of the tongue portion, the upper terminals and the lower terminals being equal in number, both the upper terminals and the lower terminals comprising five intermediate terminals arranged centrally in succession and one grounding terminal spaced from the five intermediate terminals by two terminal positions, each of the five intermediate terminals having a reserved space for not arranging a terminal, the five intermediate terminals comprising an auxiliary terminal; and a shielding plate disposed between the upper terminals and the lower terminals.
Battery distribution unit
A battery distribution unit (BDU) for holding a first electronic device having a first blade terminal extending therefrom and a second electronic device having a second blade terminal extending therefrom includes a BDU housing, a strip busbar received in the BDU housing, and first and second cross terminals received in the BDU housing. The first cross terminal receives the strip busbar at a first end thereof and is configured to receive the first blade terminal at a second end thereof. The second cross terminal receives the strip busbar at a first end thereof and is configured to receive the second blade terminal at a second end thereof.
Antenna modules and systems, and applications and methods of manufacturing thereof
Antenna modules and systems, and applications and methods of manufacturing thereof, are described herein. An example radio frequency (RF) signal transmitter includes a data signal port to receive a baseband data signal; a carrier signal port to receive an initial carrier signal; and an antenna module coupled to the signal ports. The antenna module includes: a substrate with a front face that has a phased array of active antenna elements that includes at least two columns of the active antenna elements; and a rear face that has, for each column, a RF signal launcher to receive a RF data signal for the column; and a transmitting module mounted to the rear face. The transmitting module has, for each column of active antenna elements: a combiner to form the RF data signal; and a RF signal port to transmit the RF data signal to the RF signal launcher.
Systems and methods for switched reluctance magnetic mechtenna
An antenna assembly includes a rotor, a first end component, and a second end component. The rotor includes a rotor body and a plurality of magnets configured to output a first magnetic field. The rotor body defines a plurality of slots extending radially inward from an exterior surface of the rotor body. Each magnet is disposed in a corresponding slot. The first end component includes a first end component body and a plurality of first extensions extending from the first end component body and contacting a first set of the plurality of magnets. The second end component includes a second end component body and a plurality of second extensions extending from the second end component body and contacting the first set. The first end component and the second end component are configured to output an electromagnetic signal.
Electronic device antennas with harmonic resonances
An electronic device may have a housing and other structures that form an antenna ground for an antenna. An antenna resonating element arm for the antenna may extend along the periphery of the housing. The resonating element arm may have opposing first and second ends. A return path may couple the resonating element arm to the antenna ground at the first end. An antenna feed may be coupled between the resonating element arm and the antenna ground in parallel with the return path. Electrical components such as first and second capacitors may be coupled between the antenna resonating element arm and the antenna ground. A first of the capacitors may be coupled between the antenna resonating element arm and the antenna ground at a location between the first and second ends. A second of the capacitors may be coupled between the second end and the antenna ground.
Antenna and electronic apparatus
An antenna includes a magnetic current element which is an element to constitute a loop and generates a magnetic current vector having a component perpendicular to a loop plane, and an electric current element to generate an electric current vector having a component parallel to the magnetic current vector.
Scanning antenna comprising a liquid crystal layer and method for manufacturing the same
A scanned antenna (1000) is a scanned antenna including antenna elements (U) arranged together, the scanned antenna comprising: a TFT substrate including a first dielectric substrate (1), TFTs, gate bus lines, source bus lines, and patch electrodes (15); a slot substrate (201) including a second dielectric substrate (51), and a slot electrode (55) formed on a first primary surface of the second dielectric substrate; a liquid crystal layer (LC) provided between the TFT substrate and the slot substrate; and a reflective conductive plate (65) arranged so as to oppose a second primary surface of the second dielectric substrate (51) with a dielectric layer (54) interposed therebetween, the second primary surface being on an opposite side from the first primary surface. The TFT substrate (TFT substrate portion (101Cb)) includes a terminal region (TR) outside of the seal portion (73), and the gate bus lines or the source bus lines are connected to gate terminal portions or source terminal portions formed in the terminal region via a transparent conductive layer (14b) provided between the seal portion (73) and the TFT substrate.
Wireless communications assembly with integrated active phased-array antenna
A wireless communication assembly includes: a primary support member defining a primary mounting surface with first and second electrical contacts; an antenna, adjacent to primary mounting surface perimeter, and a baseband controller, on the primary support member; primary signal paths between the baseband controller and the first contacts; primary feed lines between the second contacts and the antenna; a secondary support member carrying a radio controller and defining a secondary mounting surface with third electrical contacts and ports adjacent to a perimeter of the secondary mounting surface; secondary signal paths between the third contacts and the radio controller; secondary feed lines between the radio controller and the ports; the secondary mounting surface configured to engage with the primary mounting surface to connect the first contacts with the third contacts, and the second contacts with the ports.
An armored radome is provided and includes a metallic plate formed to define an array of through-holes. Each through-hole has a respective longitudinal axis substantially aligned with electromagnetic radiation passing locally through the metallic plate.
Systems and techniques for improving signal levels in a shadowing region of a seeker system
The present disclosure is directed to a seeker system having an infrared (IR) sensor pedestal, an IR sensor disposed on the IR pedestal and a plurality of radio frequency (RF) antenna elements symmetrically disposed in a circumferential direction around the IR sensor pedestal. The seeker system further includes a plurality of RF waveguiding structures. In an embodiment, each of the RF waveguiding structures have first and second ends and are symmetrically disposed in a circumferential direction around the IR sensor pedestal such that in response to an RF signal incident on a first end of the waveguiding structure, the RF signal is provided to one of the plurality of RF antenna elements such that in response to an RF signal incident on the seeker system from any direction, each of the plurality of RF antenna elements receive the RF signal with a desired phase characteristic.
Antenna mounting arrangement for an off-road vehicle
An off-road vehicle includes a body having at least one fender positioned over at least one wheel or track of the off-road vehicle. The at least one wheel or track is configured to engage a ground surface. The off-road vehicle also includes at least one spatial locating antenna positioned beneath the at least one fender. A top side of the at least one fender is positioned above the at least one spatial locating antenna relative to the ground surface, and the top side extends beyond a lateral extent and a longitudinal extent of the at least one spatial locating antenna.
Mobile satellite system
The mobile satellite system is a vehicle that is adapted for use in satellite communications. The mobile satellite system is a trailer that is towed by a motorized vehicle. The mobile satellite system comprises a dish, a dish mount, a chassis, a suspension, a plurality of tracks, and a control system. The suspension attaches the plurality of tracks to the chassis. The dish mount attaches the dish to the chassis. The control system is mounted in the chassis. The dish is an antenna that is used to establish a communication link with a targeted satellite. The control system is an electronic device. The control system: 1) manages the targeting and positioning of the dish; and, 2) receives messages and other communications from a targeted satellite; and, optionally, 3) transmits messages and other communications to the targeted satellite.
Transmission line cable
A first signal conductor pattern, a first ground conductor pattern, and a second ground conductor pattern define a first transmission line with a strip line structure. A second signal conductor pattern, a third ground conductor pattern, and a fourth ground conductor pattern define a second transmission line with a strip line structure. A first connecting portion at an end of the first transmission line and a second connecting portion at an end of the second transmission line are stacked together so that the first ground conductor pattern is electrically connected to the third ground conductor pattern, the second ground conductor pattern is electrically connected to the fourth ground conductor pattern, and the first signal conductor pattern is electrically connected to the second signal conductor pattern.
Multilayer microwave filter
A radio frequency filters and methods for implementing the filters in multilayer metallic-dielectric structures, such as printed circuit boards (PCB), low temperature co-fired ceramic (LTCC) components and integrated circuits (IC). The methods and filters utilize vertical stacking of transmission lines and related frequency-selective structures to obtain compact implementation of filters of high order. The methods and filters are applicable to a variety of filter types and related structures such as multiplexers.
Metal-air batteries include first and second battery stack structures each comprising an anode, an anode electrolyte layer, a cathode, and a gas diffusion layer, and cathode current collectors disposed between the first and second battery stack structures and having a non-flat shape, where the cathodes of the first and second battery stack structures face each other, the cathode current collectors contact the gas diffusion layers of the first and second battery stack structures, at least one of the cathode current collectors includes protrusions, and an empty space between the cathode current collector and the first and second battery stack structures is an air supply unit to supply air to the gas diffusion layer.
Three-dimensional carbon foam-supported electrode for metal-air batteries
The present invention describes an electrode material based on carbon foam impregnated with particulate carbon, and a method for preparing the electrode material. The electrode material may be used as a cathode active material in a metal-air/metal-oxygen battery, such as a lithium-air, sodium-air, magnesium-air, zinc-air, tin-air or silicon-air battery.
Arrangement having an electrical component and a heat exchanger
An arrangement may include an electrical component and a heat exchanger arranged on the electrical component for controlling a temperature of the component. An electrically insulating isolation layer may be arranged at least partially between the heat exchanger and the component. The isolation layer may be connected to at least one of the component and the heat exchanger via a materially cohesive connection.
Vehicle cooling system using gravity based fluid flow
This disclosure relates to techniques for implementing a cooling system for a vehicle heat-generating component wherein a two-phase coolant flows between a heat sink module and a heat radiator module. The heat radiator module can be mounted at a higher elevation within the vehicle than the heat sink module. High and low temperature fluid paths can fluidly couple the heat sink module and the heat radiator module. The heat sink module can be coupled to a heat-generating component.As the coolant is heated at the heat sink module by heat from the heat-generating component, it can change to a substantially gaseous phase and move, primarily by force of buoyancy, to the heat radiator module via the high temperature fluid path. As the coolant is cooled by the heat radiator module, it can change to a substantially liquid phase and move, primarily by force of gravity, to the heat sink module.
Manufacturing method for all-solid-state battery, manufacturing apparatus for all-solid-state battery, and all-solid-state battery
A manufacturing method for an all-solid-state battery includes: producing a laminated battery having both end surfaces in a lamination direction and a side surface by laminating pluralities of collector layers, positive electrode mixture layers, solid electrolyte layers, and negative electrode mixture layers; supplying a liquid resin to only the side surface of the laminated battery; and curing the liquid resin. Producing the laminated battery by protruding at least one layer of the collector layer, the positive electrode mixture layer, the solid electrolyte layer, and the negative electrode mixture layer relative to remaining of the layers to form a protruding layer. Protruding a plurality of protruding layers from the side surface of the battery. Supplying the resin involves supplying the liquid resin to only the side surface of the laminated battery such that the liquid resin penetrates into a clearance between one protruding layer and another protruding layer.
Nonaqueous electrolyte for lithium secondary battery and lithium secondary battery employing the same
A nonaqueous electrolyte for a lithium secondary battery, the nonaqueous electrolyte including: a fluorine-containing lithium salt, an organic solvent, and an organosilicon compound represented by Formula 1: wherein, in Formula 1, R1 to R6 are each independently a C1-C10 alkyl group or a C1-C10 alkoxy group. Also a lithium secondary battery including the nonaqueous electrolyte.
Polymer composition with electrophilic groups for stabilization of lithium sulfur batteries
A polymer to be used as a binder for sulfur-based cathodes in lithium batteries that includes in its composition electrophilic groups capable of reaction with and entrapment of polysulfide species. Beneficial effects include reductions in capacity loss and ionic resistance gain.
Electrolyte solution and battery
An electrolyte solution contains a non-aqueous solvent and an alkali metal salt dissolved in the non-aqueous solvent. The non-aqueous solvent contains a linear carboxylate represented by the following formula: where R1 and R2 independently represent an aromatic group, an unsaturated aliphatic group, or a saturated aliphatic group. A battery includes the electrolyte solution, a positive electrode containing a positive electrode active material that has a property of occluding and releasing an alkali metal ion, and a negative electrode containing an alkali metal or a negative electrode active material that has a property of occluding and releasing the alkali metal ion.
Rechargeable nanoelectrofuel electrodes and devices for high energy density flow batteries
Nanoelectrofuel compositions include a plurality of electroactive surface-treated or surface modified nanoparticles dispersed in an electrolyte or self suspended and exhibit fluid characteristics are provided. A Redox flow cell may employ the nanoelectrofuels compositions, wherein the redox flow cell includes a first inlet and a first outlet in fluid communication with a first half-cell body, a second inlet and a second outlet in fluid communication with a second half-cell body, a third cell body, and an ion-conductive membrane separating the first half-cell body from the second half-cell body and defining the second half-cell body.
Method of making a nanocomposite polyelectrolyte membrane
The method of making a nanocomposite polyelectrolyte membrane is a process for forming membranes for use in hydrogen and methanol fuel cell applications, for example. A hydrophobic polymer, such as polypropylene, is blended with a nanofiller, such halloysite nanotubes (HNTs) or propylene-grafted maleic anhydride nano-layered silica (Ma-Si), to form a dry mix, which is then pelletized for extrusion in a twin-screw extruder to form a thin film nanocomposite. The thin film nanocomposite is then annealed and cold stretched at room temperature. The cold stretching is followed by stretching at a temperature ranging from approximately 110° C. to approximately 140° C. The nanocomposite is then heat set to form the nanocomposite polyelectrolyte membrane. The nanocomposite polyelectrolyte membrane may then be further plasma etched and impregnated with a sulfonated polymer, such as sulfonated melamine formaldehyde, a polycarboxylate superplasticizer or perfluorosulfonic acid.
Liquid composition, process for its production, and process for producing membrane-electrode assembly for polymer electrolyte fuel cells
An electrolyte membrane is prepared from a liquid composition comprising at least one member selected from the group consisting of trivalent cerium, tetravalent cerium, bivalent manganese and trivalent manganese; and a polymer with a cation-exchange group. The liquid composition is preferably one containing water, a carbonate of cerium or manganese, and a polymer with a cation-exchange group, and a cast film thereof is used as an electrolyte membrane to prepare a membrane-electrode assembly. The present invention successfully provides a membrane-electrode assembly for polymer electrolyte fuel cells being capable of generating the electric power in high energy efficiency, having high power generation performance regardless of the dew point of the feed gas, and being capable of stably generating the electric power over a long period of time.
Fuel cell system
There is provided a fuel cell system. This fuel cell system comprises a fuel cell configured to generate electric power using reactive gases; a voltage sensor configured to measure a voltage output from the fuel cell; a converter configured to boost an input voltage that is input from the fuel cell; and a controller configured to control the converter. In the case where the voltage output from the fuel cell to the converter is to be boosted after a changeover of an operating state of the fuel cell system from an intermittent operation to an ordinary operation, when a duty ratio D1 calculated by Mathematical Formula I is greater than a duty ratio D2 calculated by Mathematical Formula II, the controller causes the converter to boost the voltage output from the fuel cell at the duty ratio D2. [ Math . 1 ] D 1 = 1 - Vltrg VH ( I ) where VH (V) denotes a value of output voltage that is output from the converter, and Vltrg (V) denotes an estimated value of voltage that is output from the fuel cell, [ Math . 2 ] D 2 = 1 - ( Vl + Vlmrg ) Vhul ( II ) where Vl (V) denotes a measured value of voltage of the fuel cell by the voltage sensor, Vlmrg (V) denotes a correction amount of the measured value Vl, and Vhul (V) denotes a predetermined upper limit value of the output voltage. This configuration prevents the converter from excessively boosting the actual voltage input from the fuel cell and outputting the excessively boosted voltage.
Fuel cell and method for stopping a fuel cell
The fuel cell stack (1) may be supplied with oxygen or with atmospheric air as oxidant gas. The fuel cell stack includes a device for filling with pressurized atmospheric air comprising an air intake orifice (126), an oxidant gas recycling loop (12R) and apparatus for isolation from the atmospheric air, such as an isolation valve (128), a cut-off valve (120) or a non-return valve, enabling the supply channel to the cathodes and said recycling loop to be isolated from the atmospheric air. This makes it possible to implement a shut-down procedure comprising the following actions: (i) the supply of fuel gas and oxidant gas is cut off; (ii) current continues to be drawn so as to consume the oxidant gas remaining in the oxidant gas supply system; and (iii) nitrogen-enriched gas is injected into the oxidant gas supply system. Upon being shut down, the fuel cell stack is under conditions preventing degradation thereof by shutting down the internal electrochemical processes so as to guarantee that a hydrogen/nitrogen mixture remains in the fuel cell stack after it has been extinguished.
Composite transition metal oxide-based precursor, preparing method thereof, and cathode active material using the same
The present disclosure provides a novel composite transition metal oxide-based precursor, a preparing method thereof, and a cathode active material for a secondary battery prepared from the precursor. In the present disclosure, it is possible to enhance productivity and economic efficiency due to a high reaction yield during the synthesis of a cathode active material and to enhance the initial discharge capacity and lifespan characteristics of a secondary battery including a cathode active material by using an oxide-based precursor having a high oxygen fraction instead of a hydroxide-based precursor used as a precursor of a cathode active material in the related art.
Method for preparing lithium iron phosphate nanopowder coated with carbon
The present invention relates to a method for preparing a lithium iron phosphate nanopowder coated with carbon, including the steps of (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor in a glycol-based solvent, (b) putting the mixture solution into a reactor, heating and concentrating to prepare a metal glycolate slurry, (c) drying the metal glycolate slurry to form a solid content, and (d) firing the solid content to prepare the lithium iron phosphate nanopowder coated with carbon, and a lithium iron phosphate nanopowder coated with carbon prepared by the method.
Lithium complex oxide
Provided is a novel lithium complex oxide containing molybdenum. A complex oxide represented by the following compositional formula: LixMyMozO wherein M is one or two or more selected from the group consisting of Mn, Ru, Sn, Mg, Al, Ti, V, Cr, Fe, Co, Ni, Cu, and Zn; x is in the range of 0.60 to 0.75; y is in the range of 0.15 to 0.25; and z is in the range of 0.075 to 0.20.
Positive electrode active material and non-aqueous electrolyte secondary battery containing the same
A positive electrode active material includes particles composed of a compound oxide; and coating layers composed of a compound oxide formed on at least parts of the surfaces of the particles. The particles have a layered structure and include a first compound oxide mainly composed of lithium and nickel. The coating layers include a second compound oxide mainly composed of lithium and titanium. The ratio by weight of the first compound oxide to the second compound oxide is between 96:4 and 65:35. The positive electrode active material has a mean particle diameter of 5 to 20 μm.
Lithium ion batteries using discrete carbon nanotubes, methods for production thereof and products obtained therefrom
Compositions, and methods of obtaining them, useful for lithium ion batteries comprising discrete oxidized carbon nanotubes having attached to their surface lithium ion active materials in the form of nanometer sized crystals or layers. The composition can further comprise graphene or oxygenated graphene.
Method for manufacturing of slurry for production of battery film
The present invention relates to a method for manufacturing slurry for coating of electrodes for use in lithium ion batteries, wherein the method comprises mixing active materials with a binder into a binder solution, and adding an organic carbonate to the binder solution to generate the slurry. The present invention also relates to a method for manufacturing electrodes for a lithium battery cell, wherein the method comprises mixing active materials with a binder into a binder solution, adding an organic carbonate to the binder solution to generate slurry, wherein the above adding step is carried out at temperature above melting temperature of the organic carbonate, coating electrode material with the slurry, drying the coating on the electrode material by drying the organic carbonate, and surface treatment of the slurry so that the electrode is prepared for use in a lithium ion battery cell.
Electrical connector for portable multi-cell electrical energy storage device
Electrical connectors for electrically connecting individual portable electrical energy storage cells making up a plurality of portable electrical energy storage cells that are part of a portable electrical energy storage device for powering portable devices such as vehicles or consumer electronics include bands of reduced cross-sectional area. The electrical connectors include conductive bands that promote reliable attachment between the electrical connector and portable electrical energy storage cells and provide the ability to electrically isolate failing or damaged cells.
Separators having improved temperature ranges for battery shutdown
Battery separators are presented having improved temperature ranges for battery shutdown. The battery separators include a first layer having a first shutdown temperature range, a second layer having a second shutdown temperature range, and a third layer having a third shutdown temperature range. The first shutdown temperature range and the second shutdown temperature range have a first overlap in temperature. The second shutdown temperature range and third shutdown temperature range have a second overlap in temperature. In some embodiments, the second layer is disposed between the first layer and the third layer to create a sandwiched structure.
Lithium ion secondary battery
Provided is a lithium ion secondary battery including a positive electrode, a negative electrode, a separator, and an electrolyte solution, in which the separator contains 0.02 to 0.11 wt % of sulfur relative to the weight of the separator.
Top cap assembly for secondary battery
Provided is a top cap assembly for a cylindrical type secondary battery, including a CID short-circuiting member, which interrupts an electric current when a high voltage is generated in the cylindrical type secondary battery, a safety vent connected to an upper part of the CID short-circuiting member and including a plurality of notches, which are broken when a voltage equal to or greater than an allowable voltage of the CID short-circuiting member is generated, to discharge gas from the cylindrical type secondary battery, a top cap connected to the safety vent and disposed on the uppermost end of an upper opening part of the cylindrical type secondary battery, a gasket surrounding and sealing an outer circumferential surface of the CID short-circuiting member, and a heat resistant member preventing heat transfer between the gasket and the safety vent.
A battery cover (1) covers an outer periphery of a fuse unit (13) connected to, through a battery terminal (11), a battery post (9) projecting in a recess (7) formed on an upper surface (5) of a battery (3). The battery cover (1) has a fuse cover part (15) covering the outer periphery of the fuse unit (13), and a terminal cover part (17). The terminal cover part (17) is connected to the fuse cover part (15) to be capable of being opened and closed, is arranged in the recess (7), and covers the battery post (9) and the battery terminal (11). The terminal cover part (17) is provided with a regulating portion (19) so as to regulate a movement of the terminal cover part (17) in a closing direction by coming in contact with the upper surface (5) of the battery (3).
A rechargeable battery is disclosed. In one aspect, the battery includes an electrode assembly including a first electrode and a second electrode wound with a separator interposed between the first and second electrodes and a case accommodating the electrode assembly. The battery also includes a cap assembly including a cap plate coupled to the case to close an opening formed on one side of the case, a first terminal placed at the cap plate and electrically connected to the first electrode, and a second terminal placed at the cap plate and electrically connected to the second electrode. The case includes a concave portion formed on one outer surface.
Manufacturing method of flexible OLED display panel
The present invention provides a manufacturing method of a flexible OLED display panel, in which multiple loops of inorganic barrier walls are first formed on a rigid base plate such that the multiple loops of inorganic barrier walls respectively and circumferentially encloses a plurality of panel areas on the rigid base plate so that when an organic material film is then coated on the rigid base plate and the multiple loops of inorganic barrier walls in a manner of covering the entirety of surface thereof, the multiple loops of inorganic barrier walls provide an effect of division to allow a plurality of flexible backings to be respectively formed on the plurality of panel areas of the rigid base plate. Afterwards, a laser lift off technique is applied to remove the plurality of flexible backings from the rigid base plate to thus obtain a plurality of flexible OLED display panels. Compared to the prior art, the present invention saves a process of using a laser cutting machine to simultaneously cut the organic material film and the rigid base plate and thus saves the cost of purchasing the laser cutting machine and also save one round of laser cutting operation to thereby reduce the manufacturing cost of a flexible OLED display panel.
Display panel and method for manufacturing the same
A display panel includes a display device, a first anti-reflection layer and a cover layer. The first anti-reflection layer is disposed over the display device, wherein the first anti-reflection layer comprises a first structural layer including a plurality of first protrusion structures opposite to the display device. The cover layer is disposed over the first anti-reflection layer.
Flexible display device
A flexible display device comprises a flexible substrate including a display area and a non-display area; a display layer in the display area on a first surface of the flexible substrate; a polarizing plate on the display layer; and a cover coat in the non-display area on the first surface of the flexible substrate, the cover coat including a first end portion overlapping with the polarizing plate. At least a portion of the non-display area of the flexible substrate and the cover coat are bendable in a bending direction.
Organic light-emitting element and production method thereof
The present invention relates to an organic light-emitting element and a production method thereof. Specifically, the present invention relates to an organic light-emitting element, which has excellent productivity during mass production thereof and may allow simplification of vapor deposition equipment, and the like, and a production method thereof.
Light-emitting element, light-emitting device, electronic device, and lighting device
A novel light-emitting element or a highly reliable light-emitting element is provided. The light-emitting element includes an anode, a cathode, and an EL layer between the anode and the cathode. The EL layer includes at least a light-emitting layer. The light-emitting layer includes at least a first organic compound and a second organic compound. The energy for liberating halogen from a halogen-substituted product of the first organic compound in a radical anion state and in a triplet excited state is less than or equal to 1.00 eV. The amount of halogen-substituted product in the second organic compound is not increased with an increase in driving time of the light-emitting element.
Organic solar cell and preparation method thereof
An organic solar cell device is provided, including a first electrode, a photoactive layer, a hole transport layer, and a second electrode that are stacked successively. The photoactive layer includes an electron receptor material and an electron donor material. The electron receptor material is graphene nitride that forms a foamy film on the first electrode and has a three-dimensional network structure. A part of the electron donor material permeates into the graphene nitride, and a part of the electron donor material is enriched on a side of the hole transport layer to form an electron donor enriched layer.
Display device having pixels including different semiconductor materials
A display device having an improved display characteristics and reduced manufacturing cost is provided. The display device includes a plurality of pixels arranged on a surface of a substrate. The plurality of pixels each include: a light-emitting element; a driving transistor; a selecting transistor; and a retention capacitor. The driving transistor has a bottom-gate structure. The driving transistor has a semiconductor layer containing a first semiconductor. The retention capacitor has a first electrode and a second electrode. The first electrode doubles as a gate of the driving transistor. The second electrode is disposed at a lower layer than the first electrode and contains a second semiconductor.
Organic electroluminescent materials and devices
This invention discloses novel compounds containing indolocarbazole and silicon core structures. These compounds can be used as hosts for OLEDs.
Organic electroluminescent devices and metal complex compounds
An organic electroluminescent device, which has a pair of electrodes and at least one organic layer including a luminescent layer between the pair of electrodes, wherein at least one layer between the pair of electrodes comprises at least one metal complex having a tridentate- or higher polydentate-chain structure ligand.
Organic electroluminescent materials and devices
The present invention includes novel metal complexes derived from pyridyl substituted aromatic compound core structures. These compounds can be used as emitters for PHOLEDs.
Charge transport material
A charge transport material containing a charge transport substance that is composed of a compound represented by formula (1) and another charge transport substance that is composed of a charge transport compound having a molecular weight of 200-9,000 exhibits good solubility in an organic solvent. A charge transport varnish, from which a charge transport thin film having excellent charge transport properties, flatness and uniformity is formed with good reproducibility, is able to be prepared by dissolving the above-described charge transport material in an organic solvent.
A memory device according to an embodiment includes a first conductive layer, a second conductive layer, a third conductive layer intersecting the first conductive layer and the second conductive layer, and a resistance change layer including a first region which is provided between the first conductive layer and the third conductive layer and has a superlattice structure, a second region which is provided between the second conductive layer and the third conductive layer and has the superlattice structure, and a third region which is provided between the first region and the second region. The third region includes at least one element selected from the group consisting of O, F, C, P, B, N, H, Bi, Cd, Zn, Ga, Se, Al, S, Be, In, and Pb. Concentration of the at least one element in the third region is higher than that in the first region and the second region.
Structures incorporating and methods of forming metal lines including carbon
Disclosed technology relates generally to integrated circuits, and more particularly, to structures incorporating and methods of forming metal lines including tungsten and carbon, such as conductive lines for memory arrays. In one aspect, a memory device comprises a lower conductive line extending in a first direction and an upper conductive line extending in a second direction and crossing the lower conductive line, wherein at least one of the upper and lower conductive lines comprises tungsten and carbon. The memory device additionally comprises a memory cell stack interposed at an intersection between the upper and lower conductive lines. The memory cell stack includes a first active element over the lower conductive line and a second active element over the first active element, wherein one of the first and second active elements comprises a storage element and the other of the first and second active elements comprises a selector element. The memory cell stack further includes an electrode interposed between the at least one of the upper and lower conductive lines and the closer of the first and second active elements.
Piezoelectric transistors with intrinsic anti-parallel diodes
Piezoelectric transistors with Schottky contacts and power conversion applications utilizing such piezoelectric transistors are disclosed. A piezoelectric transistor configured in accordance with the inventive concepts disclosed herein may be fabricated to behave as a controllable/switchable active device with an intrinsic anti-parallel diode. Piezoelectric transistors configured in this manner may be utilized in power amplifiers, power converters, as well as in a variety of electronic systems/applications.
Strain amplification structure and synthetic jet actuator
A strain amplification structure has a frame with a hexagonal structure incorporating a plurality of rigid beams that are connected to opposing end beams by a plurality of flexible joints. A piezoceramic actuator assembly is connected to the opposing end beams having a collar including an opening. A shaft providing an output is connected to the plurality of rigid beams with flexible joints and passes through the opening in the collar for non-interfering motion orthogonal to the actuator assembly.
Light emitting device having dual sealing resins
Provided is a light emitting device with improved light extracting efficiency and further higher heat releasing performance. A light emitting device includes a planar lead frame having a first lead and a second lead, and includes a light emitting element mounted on the first lead, a resin frame surrounding a periphery of the light emitting element, a first sealing resin filled in the inner side of the resin frame and sealing the light emitting element, and a second sealing resin covering the resin frame and the first sealing resin. Lower end of inner surface of the resin frame is arranged only on the first lead, and at an outside of the resin frame, and the second resin member covers at least a part of the first lead and the second lead. Of the back-surface of the first lead, a region directly under the blight emitting element is exposed.
A light-emitting device includes a base, a light-emitting element, and reflecting elements. The light-emitting element is mounted on the base. The reflecting elements are arranged around the light-emitting element to reflect light emitted by the light-emitting element. Each of the reflecting elements includes a core and a dielectric multilayer film. The dielectric multilayer film covers the core and has a thickness to reflect a wavelength of the light emitted by the light-emitting element.
Vacuum lamination method for forming a conformally coated article and associated conformally coated articles formed therefrom
Vacuum lamination methods for forming conformally coated articles having a preformed lamination layer conformally coated to or on an object such as an LED array are provided. These vacuum lamination methods utilize a single heating step to heat a middle portion of the preformed lamination layer to a flowable condition prior to the preformed lamination layer being conformally coated over the article, such as the array of light emitting diodes disposed on an inner portion of a first side of a submount wafer.
Packaging method for high gamut white light quantum dot LED
A packaging method of high color gamut white light quantum dot (QD) light emitting diodes (LEDs). The method includes: a. add an organic solvent to red light QD phosphor powder and blue light QD phosphor powder, respectively; b. perform ultrasonic processing for the solutions; c. prepare a mixed QD solution; d. add mixed packaging glue to the mixed QD solution; e. remove the organic solvent; f. add green light rare earth phosphor powder; g. drip the mixed phosphor glue into an LED stent fixed with ultraviolet chips, and bake and solidify the LED stent to obtain LED beads. The method produces high gamut white light LEDs and greatly improves the color gamut value of LED backlight beads, which reaches above NTSC 92%. With an organic solvent as a connecting bridge, QDs and the packaging glue are mixed uniformly, QD phosphor powder failure resulted from agglomeration is avoided, and quality of high color gamut white light LED beads is significantly improved.
Fluorescent material, light emitting device, and method for producing fluorescent material
A method for producing a fluorescent material is provided. The method includes preparing fluorescent material particles that contain an alkaline earth metal aluminate having a composition represented by (Sr1−x,Eux)4Al14O25, where x satisfies 0.05≤x≤0.4, and a part of Sr may be substituted by at least one element selected from the group consisting of Mg, Ca, Ba, and Zn; causing the prepared fluorescent material particles to come into contact with a liquid medium containing water; removing at least a portion of the contacted liquid medium to obtain purified fluorescent material particles; causing a phosphate compound to adhere to surfaces of the purified fluorescent material particles to obtain fluorescent material particles to which the phosphate compound is adhered; and heat treating the fluorescent material particles to which the phosphate compound is adhered at 500° C. to 700° C.
LED with high thermal conductivity particles in phosphor conversion layer
In one embodiment, a solid cylindrical tablet is pre-formed for a reflective cup containing an LED die, such as a blue LED die. The tablet comprises uniformly-mixed phosphor particles and transparent/translucent particles of a high TC material, such as quartz, in a hardened silicone binder, where the index of refraction of the high TC material is matched to that of the silicone to minimize internal reflection. Tablets can be made virtually identical in composition and size. The bulk of the tablet will be the high TC material. After the tablet is placed in the cup, the LED module is heated, preferably in a vacuum, to melt the silicone so that the mixture flows around the LED die and fills the voids to encapsulate the LED die. The silicone is then cooled to harden.
A light-emitting element includes a semiconductor light-emitting stack including a first semiconductor layer, an active layer, and a second semiconductor layer; a first conductive layer disposed on the second semiconductor layer and electrically connecting the second semiconductor layer; a second conductive layer disposed on the second semiconductor layer and electrically connecting the first semiconductor layer; and a cushion part disposed on the semiconductor light-emitting stack; wherein in a top view, the cushion part is disposed in a center region of the light-emitting element.
Patterned layer design for group III nitride layer growth
A device having a layer with a patterned surface for improving the growth of semiconductor layers, such as group III nitride-based semiconductor layers with a high concentration of aluminum, is provided. The patterned surface can include a substantially flat top surface and a plurality of stress reducing regions, such as openings. The substantially flat top surface can have a root mean square roughness less than approximately 0.5 nanometers, and the stress reducing regions can have a characteristic size between approximately 0.1 microns and approximately five microns and a depth of at least 0.2 microns. A layer of group-III nitride material can be grown on the first layer and have a thickness at least twice the characteristic size of the stress reducing regions.
Advanced electronic device structures using semiconductor structures and superlattices
Semiconductor structures and methods for forming those semiconductor structures are disclosed. For example, a p-type or n-type semiconductor structure is disclosed. The semiconductor structure has a polar crystal structure with a growth axis that is substantially parallel to a spontaneous polarization axis of the polar crystal structure. The semiconductor structure changes in composition from a wider band gap (WBG) material to a narrower band gap (NBG) material or from a NBG material to a WBG material along the growth axis to induce p-type or n-type conductivity.
A semiconductor structure includes a first-type doped semiconductor layer, a light emitting layer, a second-type doped semiconductor layer comprising AlxInyGa1-x-yN layers, at least one GaN based layer, and an ohmic contact layer. The light emitting layer is disposed on the first-type doped semiconductor layer, and the second-type doped semiconductor layer is disposed on the light emitting layer. The AlxInyGa1-x-yN layers stacked on the light emitting layer, where 0
Method of manufacturing light emitting element
A method of manufacturing a light emitting element includes: providing a wafer including a substrate and a semiconductor layered body formed at an upper surface of the substrate; irradiating the wafer with laser light by performing first and second patterns of scanning; and separating the substrate from the semiconductor layered body. In the first pattern of scanning, the wafer is irradiated with the laser light outwardly from an inner side of the wafer or inwardly from an outer side of the wafer, so that a region irradiated with the laser light enlarges. In the second pattern of scanning, the wafer is irradiated with the laser light so that the laser light intersects with a circumferential edge of the wafer at a plurality of portions.
A graphene display is provided. The graphene display includes a first graphene light-emitting unit and a second graphene light-emitting unit which are stacked and overlapped, and a metal shield layer disposed between the first graphene light-emitting unit and the second graphene light-emitting unit. The graphene display is simple in structure, and the colors of the emitted light at the two sides will not change because of the electric field of the gate electrode pattern so as to have more stable color and color reproduction.
Bifacial solar cell
A bifacial solar cell includes a substrate; a first conductive type region having a conductive type different from a conductive type of the substrate; a first insulating layer formed on the first conductive type region; a plurality of first electrodes contacting the first conductive type region through the first insulating layer and extended in a first direction; a plurality of first current collectors extended in a second direction crossing the first direction, wherein the plurality of first current collectors are electrically and physically connected to the plurality of first electrodes; a second conductive type region having a conductive type the same as the conductive type of the substrate, and having an impurity concentration that is higher than an impurity concentration of the substrate; a second insulating layer formed on the second conductive type region; a plurality of second electrodes contacting the second conductive type region through the second insulating layer and extended in the first direction; and a plurality of second current collectors extended in the second direction.
Tellurate joining glass having processing temperatures less than or equal to 420° C
The present invention relates to a glass, in particular a glass for the joining of glass panes for the production of vacuum insulating glasses at processing temperatures ≤420° C., to the corresponding composite glass, and to the corresponding glass paste. Moreover, the present invention relates to a vacuum insulating glass produced using the glass paste according to the invention, to the production process thereof, and to the use of the inventive glass and/or composite glass, and glass paste. The glass according to the invention is characterized in that it comprises the following components, in units of mol-%: V2O5 5-58 mol-%, TeO2 40-90 mol-%, and at least one oxide selected from ZnO 38-52 mol-%, or Al2O3 1-25 mol %, or MoO3 1-10 mol-%, or WO3 1-10 mol-%, or a combination thereof.
Fabricating thin-film optoelectronic devices with added potassium
A method (200) and deposition zone apparatus (300) for fabricating thin-film optoelectronic devices (100), the method comprising: providing a potassium-nondiffusing substrate (110), forming a back-contact layer (120); forming at least one absorber layer (130) made of an ABC chalcogenide material, adding at least two different alkali metals, and forming at least one front-contact layer (150) wherein one of said at least two different alkali metals is potassium and where, following forming said front-contact layer, in the interval of layers (470) from back-contact layer (120), exclusive, to front-contact layer (150), inclusive, the comprised amounts resulting from adding at least two different alkali metals are, for potassium, in the range of 500 to 10000 ppm and, for the other of said at least two different alkali metals, in the range of 5 to 2000 ppm and at most ½ and at least 1/2000 of the comprised amount of potassium. The method (200) and apparatus (300) are advantageous for more environmentally-friendly production of photovoltaic devices (100) on flexible substrates with high photovoltaic conversion efficiency and faster production rate.
Back contact type solar battery cell
A back contact type solar battery which provides a reduced electric power loss, free positioning of a bus bar, and a simple manufacturing process. The solar battery includes: semiconductor substrate; first conductivity type region formed on back surface side located on the opposite side of acceptance surface side of the semiconductor substrate; second conductivity type region formed on the back surface side of the semiconductor substrate; first conductivity type collecting electrode linearly formed on the first conductivity type region; and second conductivity type collecting electrode linearly formed on the second conductivity type region. The first and second conductivity type regions are alternately arranged. Each of the first and second conductivity type collecting electrodes has discontinuous places. The discontinuous places of each conductivity type are substantially aligned on straight line in arrangement direction in which the first and second conductivity type regions are alternately arranged.
Solderable contact regions
A contact region for a semiconductor substrate is disclosed. Embodiments can include forming a seed metal layer having an exposed solder pad region on the semiconductor substrate and forming a first metal layer on the seed metal layer. In an embodiment, a solderable material, such as silver, can be formed on the exposed solder pad region prior to forming the first metal layer. Embodiments can include forming a solderable material on the exposed solder pad region after forming the first metal layer. Embodiments can also include forming a plating contact region on the seed metal layer, where the plating contact region allows for electrical conduction during a plating process.
Solar string power point optimization
An apparatus and method that controls the power produced by a string of solar cells, enabling the string to operate at its maximum power point when connected to a bus that operates at an externally controlled voltage. The apparatus and method can also be used to increase or decrease the output power of a string to any desired operating point.
Mechanical memory transistor
A mechanical memory transistor includes a substrate having formed thereon a source region and a drain region. An oxide is formed upon a portion of the source region and upon a portion of the drain region. A pull up electrode is positioned above the substrate such that a gap is formed between the pull up electrode and the substrate. A movable gate has a first position and a second position. The movable gate is located in the gap between the pull up electrode and the substrate. The movable gate is in contact with the pull up electrode when the movable gate is in a first position and is in contact with the oxide to form a gate region when the movable gate is in the second position. The movable gate, in conjunction with the source region and the drain region and when the movable gate is in the second position, form a transistor that can be utilized as a non-volatile memory element.
Memory cells having an access gate and a control gate and dielectric stacks above and below the access gate
In an example, a memory cell may have an access gate, a control gate coupled to the access gate, a first dielectric stack below an upper surface of a semiconductor, above the access gate, and between a first portion of the control gate and the semiconductor, and a second dielectric stack below the access gate and the first dielectric stack and between a second portion of the control gate and the semiconductor. Each of the first and second dielectric stacks may store a charge.
Dual-gate thin film transistor and manufacturing method thereof and array substrate
The present disclosure proposes a dual-gate thin film transistor and manufacturing method thereof and an array substrate. A manufacturing method includes: forming a first gate electrode, a gate insulating layer, a semiconductor layer, and an etch stop layer on a first substrate sequentially; forming a drain electrode, an independent electrode, and a source electrode on the exposed semiconductor layer; forming an insulating passivation layer on surfaces of the exposed etch stop layer, the drain electrode, the source electrode, and the independent electrode; and forming a second gate electrode on the insulating passivation layer in an area corresponding to the first gate electrode. The present disclosure can resolve the leakage current problem caused by the effective channel length between the source electrode and the drain electrode to improve the electrical properties of the dual-gate thin film transistor and improve its stability. The present disclosure can simplifies processes and reduce cost.
Method for manufacturing semiconductor device and manufacturing apparatus of semiconductor device
A semiconductor device including an oxide semiconductor and an organic resin film is manufactured in the following manner. Heat treatment is performed on a first substrate provided with an organic resin film over a transistor including an oxide semiconductor in a reduced pressure atmosphere; handling of the first substrate is performed in an atmosphere containing moisture as little as possible in an inert gas (e.g., nitrogen) atmosphere with a dew point of lower than or equal to −60° C., preferably with a dew point of lower than or equal to −75° C. without exposing the first substrate after the heat treatment to the air; and then, the first substrate is bonded to a second substrate that serves as an opposite substrate.
Semiconductor device and manufacturing method thereof
A semiconductor device includes a substrate, at least one active region, at least one gate structure, and an insulating structure. The active region is present at least partially in the substrate. The gate structure is present on the active region. The gate structure has at least one end sidewall and a top surface intersecting to form a top interior angle. The top interior angle is an acute angle. The insulating structure is present adjacent to the end sidewall of the gate structure and on the substrate.
Semiconductor device with fins including sidewall recesses
A method is for making a semiconductor device. The method may include forming fins above a substrate, each fin having an upper fin portion including a first semiconductor material and a lower fin portion including a dielectric material. The method may include forming recesses into sidewalls of each lower fin portion to expose a lower surface of a respective upper fin portion, and forming a second semiconductor layer surrounding the fins including the exposed lower surfaces of the upper fin portions. The second semiconductor layer may include a second semiconductor material to generate stress in the first semiconductor material.
Fin-type field effect transistor structure and manufacturing method thereof
A fin-type field effect transistor comprising a substrate, a plurality of insulators, at least one gate stack and strained material portions is described. The substrate has a plurality of fins thereon and the fin comprises a stop layer embedded therein. The plurality of insulators is disposed on the substrate and between the plurality of fins. The at least one gate stack is disposed over the plurality of fins and on the plurality of insulators. The strained material portions are disposed on two opposite sides of the at least one gate stack.
Semiconductor structure with inverted U-shaped cap layer
The present invention provides a semiconductor structure, the semiconductor structure comprises a substrate having a dielectric layer disposed thereon, a gate conductive layer disposed on the substrate and disposed in the dielectric layer, two spacers, disposed on two sides of the gate conductive layer respectively, wherein a top surface of the two spacers is lower than a top surface of the gate conductive layer, and a cap layer overlying the top surface and two sidewalls of the gate conductive layer, wherein parts of the cap layer are located right above the two spacers.
Gate length controlled vertical FETs
A semiconductor structure and a method a method of forming a vertical FET (Field-Effect Transistor), includes growing a bottom source-drain layer of a second type on a substrate of a first type, growing a channel layer on the bottom source-drain layer, forming a first fin from the channel layer with mask on top of the first fin. A width of the mask is wider than a final first fin width.
Power module having a switch module for supporting high current densities
A power module is disclosed that includes a housing with an interior chamber wherein multiple switch modules are mounted within the interior chamber. The switch modules comprise multiple transistors and diodes that are interconnected to facilitate switching power to a load. In one embodiment, at least one of the switch modules supports a current density of at least 10 amperes per cm2.
Transistor having high electron mobility and method of its manufacture
A method for manufacturing a transistor having high electron mobility, encompassing a substrate having a heterostructure, in particular an AlGaN/GaN heterostructure, having the steps of: generation of a gate electrode by patterning a semiconductor layer that is applied onto the heterostructure, the semiconductor layer encompassing, in particular, polysilicon; application of a passivating layer onto the semiconductor layer; formation of drain regions and source regions by generation of first vertical openings that extend at least into the heterostructure; generation of ohmic contacts in the drain regions and in the source regions by partly filling the first vertical openings with a first metal at least to the height of the passivating layer; and application of a second metal layer onto the ohmic contacts, the second metal layer projecting beyond the passivating layer.
Heterojunction bipolar transistor device integration schemes on a same wafer
The present disclosure generally relates to semiconductor structures and, more particularly, to heterojunction bipolar transistor device integration schemes on a same wafer and methods of manufacture. The structure includes: a power amplifier (PA) device comprising a base, a collector and an emitter on a wafer; and a low-noise amplifier (LNA) device comprising a base, a collector and an emitter on the wafer, with the emitter having a same crystalline structure as the base.
Semiconductor device and method for manufacturing the same
A semiconductor device includes a fin structure which vertically protrudes from a substrate and extends in a first direction parallel to a top surface of the substrate. The fin structure includes a lower pattern and an active pattern vertically protruding from a top surface of the lower pattern. The top surface of the lower pattern includes a flat portion substantially parallel to the top surface of the substrate. The lower pattern includes a first sidewall extending in the first direction and a second sidewall extending in a second direction crossing the first direction. The first sidewall is inclined relative to the top surface of the substrate at a first angle greater than a second angle corresponding to the second sidewall that is inclined relative to the top surface of the substrate.
Superjunction power semiconductor device and method for forming
A method for manufacturing a super junction power MOSFET includes forming a first trench in a substrate, forming a first oxide layer over the substrate and in the bottom and along sidewalls of the trench, depositing electrically conductive material in the trench, masking a first portion of the electrically conductive material, forming a recessed portion of the electrically conductive material, forming an oxide portion over and in contact with the recessed portion of the electrically conductive material, removing a part of the oxide portion by masking, removing the first oxide layer on the sidewalls while another part of the oxide portion remains in contact with the recessed portion of the electrically conductive material, forming a gate dielectric along exposed sidewalls of the trench, and depositing additional electrically conductive material over the other part of the oxide portion in the trench.
The bottom surface of the trench is provided so that a center part of the bottom surface protrudes upward with respect to a peripheral part of the bottom surface in a short direction. A thickness of the gate insulating film covering the peripheral part is thicker than a thickness of the gate insulating film covering the center part.
Semiconductor device and method for manufacturing the same
To manufacture a highly reliable semiconductor device by giving stable electric characteristics to a transistor. An oxide semiconductor film is deposited by a sputtering method with the use of a polycrystalline sputtering target. In that case, partial pressure of water in a deposition chamber before or in the deposition is set to be lower than or equal to 10−3 Pa, preferably lower than or equal to 10−4 Pa, more preferably lower than or equal to 10−5 Pa. Thus, a dense oxide semiconductor film is obtained. The density of the oxide semiconductor film is higher than 6.0 g/cm3 and lower than 6.375 g/cm3.
A semiconductor device includes a substrate; an active layer disposed over the substrate and having a source region and a drain region; a contact region disposed over the substrate; a gate structure disposed over the active layer, wherein the gate structure includes a middle portion and a lateral portion connecting to the middle portion, and the lateral portion has a snake shape.
Stacked nanowire semiconductor device
A method for forming a semiconductor device comprising forming a stack of nanowires, the stack including a first nanowire having a first length, and a second nanowire having a second length, the second nanowire arranged above the first nanowire, forming a sacrificial gate stack on the stack of nanowires, growing a source/drain region on the first, second nanowires, removing the sacrificial gate stack to expose channel regions of the first and second nanowires, and forming a gate stack over the channel regions.
Manufacturing method of transistor on color filter type organic light emitting display and transistor on color filter type organic light emitting display
Provided are a manufacturing method of a transistor on color filter type organic light emitting display and a transistor on color filter type organic light emitting display. In the manufacturing method of a transistor on color filter type organic light emitting display, after preparing the color filter layer, by coating the zinc oxide solution mixed with lithium on the gate insulation layer in a spin coating manner to form a zinc oxide coating layer mixed with lithium and then, by annealing the zinc oxide coating layer mixed with lithium and patterning the zinc oxide coating layer mixed with lithium to form a channel layer, the process temperature can be as low as 200 Celsius degrees to satisfy the temperature condition of manufacturing the transistor on color filter type organic light emitting display and the operation is easy without using the expensive vacuum equipment.
Display apparatus and method of manufacturing the same
A display apparatus includes a substrate having a plurality of pixel areas, and a pixel circuit including a storage capacitor and a plurality of thin film transistors (TFTs) which are disposed in each pixel area. At least one of the plurality of TFTs includes a semiconductor layer disposed on the substrate and including a first ion impurity, a source area and a drain area, which are spaced apart from each other, have a first depth from a surface of the semiconductor layer, and include a second ion impurity, a gate electrode disposed on the semiconductor layer between the source area and the drain area, and a bias wiring electrically connected to the semiconductor layer and disposed adjacent to at least one of the source area and the drain area.
A display device may include: a display area; a peripheral area disposed outside the display area and in which at least a part of a black matrix is disposed; and a plurality of pixel columns including: a first pixel column configured to display a first color, the first pixel column including a first boundary slope defined by a boundary line between the first pixel column and the black matrix; and a second pixel column disposed adjacent to the first pixel column, the second pixel column configured to display a second color different from the first color and including a second boundary slope defined by a boundary line between the second pixel column and the black matrix, wherein the first boundary slope may have a positive value, and the second boundary slope has a negative value.
OLED display panle and a package method
The present invention is to provide an Organic Light-Emitting Diode (OLED) display panel and a package method thereof. The method includes forming simultaneously a supporter and a hydrophobic wall on an outer position of and enclosing the OLED device by screen printing, wherein the hydrophobic wall is on an outer position of the supporter; and bonding the cover plate and the OLED substrate. The present invention can effectively protect the OLED device from outer moisture and oxygen to improve package effect and increase life of the OLED device. The supporter and the hydrophobic wall are formed simultaneously by screen printing so the method is simple and the manufacturing efficiency is improved.
According to one embodiment, a memory device includes a first conductive layer, a second conductive layer, a first insulating layer and a first layer. The first conductive layer includes a first metal capable of forming a compound with silicon. The second conductive layer includes at least one selected from a group consisting of tungsten, molybdenum, platinum, tungsten nitride, molybdenum nitride, and titanium nitride. The first insulating layer is provided between the first conductive layer and the second conductive layer. The first layer is provided between the first insulating layer and the second conductive layer. The first layer includes silicon.
Radiation detector core assembly and method for constructing the same
The present invention is directed towards a moisture resistant radiation detector core assembly which was constructed by first assembling the photon-electron conversion layer, integrated circuit and the connection elements between and then encapsulating the whole assembly. This provides improved moisture barrier properties, since the encapsulation also covers the connection elements and does not have to be opened to apply the electrical connections, as is done for known radiation detector core assemblies.
Semiconductor device and method of forming the same
A semiconductor device includes: a visible light sensing layer, having a first surface and a second surface opposite to the first surface; an infrared ray sensing layer, having a first surface and a second surface opposite to the first surface, and the first surface of the visible light sensing layer attached to the second surface of the infrared ray sensing layer; and a circuitry layer, having a first surface and a second surface opposite to the first surface, and the first surface of the infrared ray sensing layer attached to the second surface of the circuitry layer.
CMOS image sensor with dual damascene grid design having absorption enhancement structure
The present disclosure, in some embodiments, relates to a method of forming an image sensor integrated chip. The method may be performed by forming an image sensing element within a substrate, and forming an absorption enhancement structure over a back-side of the substrate. The absorption enhancement structure is selectively etched to concurrently define a plurality of grid structure openings and a ground structure opening within the absorption enhancement structure. A grid structure is formed within the plurality of grid structure openings and a ground structure is formed within the ground structure opening. The grid structure extends from over the absorption enhancement structure to a location within the absorption enhancement structure.
Stacked-chip backside-illuminated SPAD sensor with high fill-factor
A photon detection device includes a single photon avalanche diode (SPAD) disposed in a semiconductor layer. A guard ring structure is disposed in the semiconductor layer surrounding the SPAD to isolate the SPAD. A well region is disposed in the semiconductor layer surrounding the guard ring structure and disposed along an outside perimeter of the photon detection device. A contact region is disposed in the well region only in a corner region of the outside perimeter such that there is no contact region disposed along side regions of the outside perimeter. A distance between an inside edge of the guard ring structure and the contact region in the corner region of the outside perimeter is greater than a distance between the inside edge of the guard ring structure and the side regions of the outside perimeter such that an electric field distribution is uniform around the photon detection device.
Manufacturing method of display panel
A manufacturing method of a display panel disclosed by the invention includes: providing a substrate, the substrate having a first metal layer disposed thereon, the substrate including a first display region and a first peripheral region, the first metal layer covering the first display region and the first peripheral region; laying a photoresist layer on the first metal layer to form a first half-finished plate; exposing and developing the first half-finished plate to form a second half-finished plate with first and second preset patterns; etching and stripping the second half-finished plate to form a first preset metal wire group on the first display region and form a second preset metal wire group on the first peripheral region. The invention can significantly reduce the occurrence of electrostatic discharge phenomenon during the manufacturing process of a display panel and thus the yield of the display panel can be greatly improved.
Semiconductor device with reduced electrostatic discharge (ESD) in a manufacturing process
A semiconductor device is provided in which ESD is less likely to occur in a manufacturing process thereof. In manufacture of a semiconductor device including a long lead wiring A, during steps with direct exposure to a plasma atmosphere, a plurality of island-shaped wirings is formed for the wiring A and then electrically connected to one another in series. Specifically, a plurality of island-shaped wirings is formed, covered with an insulating layer, and electrically connected to one another in series by a wiring formed over the insulating layer. The island-shaped wiring and the wiring formed over the insulating layer are electrically connected to each other through an opening formed in the insulating layer.
Transistor layout with low aspect ratio
A radio-frequency (RF) device includes a semiconductor substrate, a first field-effect transistor (FET) disposed on the substrate, the first FET having a first plurality of drain fingers, and a second FET connected in series with the first FET along a first dimension, the second FET having a second plurality of drain fingers that extent in a second dimension that is orthogonal with respect to the first dimension.
A method for manufacturing a pixel structure is provided. A patterned semiconductor material layer, an insulation material layer, and a gate electrode material layer are formed in sequence on a substrate to form a stacked structure. A patterned photoresist layer is formed on the stacked structure by using a photomask. A portion of the stacked structure is removed to pattern the patterned semiconductor material layer into a patterned semiconductor layer by using the patterned photoresist layer as a mask. Another portion of the stacked structure is etched by using a portion of the patterned photoresist layer as a mask until a portion of the semiconductor layer in the stacked structure is exposed. Then, an exposed portion of the semiconductor layer is modified to increase a conductivity of the exposed portion of the semiconductor layer. Finally, the patterned photoresist layer is removed. A pixel structure manufactured by the method is provided.
Logic circuit, processing unit, electronic component, and electronic device
A retention circuit provided in a logic circuit enables power gating. The retention circuit includes a first terminal, a node, a capacitor, and first to third transistors. The first transistor controls electrical connection between the first terminal and an input terminal of the logic circuit. The second transistor controls electrical connection between an output terminal of the logic circuit and the node. The third transistor controls electrical connection between the node and the input terminal of the logic circuit. A gate of the first transistor is electrically connected to a gate of the second transistor. In a data retention period, the node becomes electrically floating. The voltage of the node is held by the capacitor.
Vertical ferroelectric field effect transistor constructions, constructions comprising a pair of vertical ferroelectric field effect transistors, vertical strings of ferroelectric field effect transistors, and vertical strings of laterally opposing pairs of vertical ferroelectric field effect transistors
A vertical ferroelectric field effect transistor construction comprises an isolating core. A transition metal dichalcogenide material encircles the isolating core and has a lateral wall thickness of 1 monolayer to 7 monolayers. A ferroelectric gate dielectric material encircles the transition metal dichalcogenide material. Conductive gate material encircles the ferroelectric gate dielectric material. The transition metal dichalcogenide material extends elevationally inward and elevationally outward of the conductive gate material. A conductive contact is directly against a lateral outer sidewall of the transition metal dichalcogenide material that is a) elevationally inward of the conductive gate material, or b) elevationally outward of the conductive gate material. Additional embodiments are disclosed.
Integrated structures and methods of forming vertically-stacked memory cells
Some embodiments include an integrated structure having a stack of alternating dielectric levels and conductive levels, vertically-stacked memory cells within the conductive levels, an insulative material over the stack and a select gate material over the insulative material. An opening extends through the select gate material, through the insulative material, and through the stack of alternating dielectric and conductive levels. A first region of the opening within the insulative material is wider along a cross-section than a second region of the opening within the select gate material, and is wider along the cross-section than a third region of the opening within the stack of alternating dielectric levels and conductive levels. Channel material is within the opening and adjacent the insulative material, the select gate material and the memory cells. Some embodiments include methods of forming vertically-stacked memory cells.
Memory device and method for manufacturing same
A memory device includes a substrate and a stacked body arranged along a first direction. The stacked body includes electrode films. A configuration of an end portion in a second direction of the stacked body is a staircase configuration. Steps corresponding to the electrode films are formed in the staircase configuration. A first distance between a first step and an end edge of the stacked body in the second direction is shorter than a second distance between a second step and the end edge in the second direction. The first step is positioned at an end portion in a third direction of the stacked body. The second step is positioned at a central portion in the third direction of the stacked body. The first and second steps correspond to two of the electrode films positioned at the same level when counting along the first direction from the substrate side.
Non-volatile memory and fabricating method thereof
A non-volatile memory including a substrate, a charge storage structure, two metal gate structures, a first dielectric layer, a second dielectric layer, a first doped region and a second doped region is provided. The charge storage structure is disposed on the substrate. The metal gate structures are disposed on the substrate at two sides of the charge storage structure. The first dielectric layer is disposed between the charge storage structure and the metal gate structures. The second dielectric layer is disposed between the charge storage structure and the substrate. The first doped region and the second doped region are disposed in the substrate at sides of the metal gate structures away from the charge storage structure.
Layout pattern for static random access memory
A layout pattern of a static random access memory (SRAM) includes a substrate, a first pull-up transistor (PL1), a first pull-down transistor (PD1), a second (PL2), and a second pull-down transistor (PD2) on the substrate, and a first pass gate transistor (PG1A), a second pass gate transistor (PG1B), a third pass gate transistor (PG2A) and a fourth pass gate transistor (PG2B), wherein the PG1A and the PG1B comprise an identical first fin structure, the PG2A and the PG2B comprise an identical second fin structure, a first local interconnection layer disposed between the PG1A and the PG1B and disposed on the fin structures of the PL1 and the PD1, a second local interconnection layer disposed between the PG2A and the PG2B and disposed between the fin structures of the PL2 and the PD2.
Memory cells and memory arrays
Some embodiments include a memory cell having first and second transistors and first and second capacitors. The first capacitor is vertically displaced relative to the first transistor. The first capacitor has a first node electrically coupled with a source/drain region of the first transistor, a second node electrically coupled with a common plate structure, and a first capacitor dielectric material between the first and second nodes. The second capacitor is vertically displaced relative to the second transistor. The second capacitor has a third node electrically coupled with a source/drain region of the second transistor, a fourth node electrically coupled with the common plate structure, and a second capacitor dielectric material between the first and second nodes. Some embodiments include memory arrays having 2T-2C memory cells.
Compact and reliable changeable negative voltage transmission circuit
A compact and reliable changeable negative voltage transmission circuit is described. It is very useful for applications need passing changeable negative voltage to selected pins in certain mode. The changeable negative voltage is 0V when enable signal EN is low and −V1 when enable signal EN is high. The circuit includes a control circuit and an output circuit. The control circuit includes a control high power source VDD and a control low power source VNEG. The control circuit generates control output signals CON and CON_B to the output circuit to output either 0V if IN is low or −V1 if IN is high when EN is high. Only single type VT transistor is used in the transmission circuit without any reliability concern, no extra bias voltage is need, which reduces the area and keeps the manufacturing cost low.
Semiconductor integrated circuit
A first power line configured to receive a first voltage, a second power line configured to receive a second voltage which is lower than the first voltage, a first clamping unit configured to be connected to the first power line, a second clamping unit configured to be connected between the first clamping unit and the second power line, and a discharging unit configured to, when an abnormal voltage introduced through the first power line or the second power line is applied, discharge the abnormal voltage by coupling with the first clamping unit or the second clamping unit are included.
Electrostatic discharge protection devices
An ESD protection device includes a substrate having an active fin extending in a first direction, a plurality of gate structures extending in a second direction at a given angle with respect to the first direction and partially covering the active fin, an epitaxial layer in a recess on a portion of the active fin between the gate structures, an impurity region under the epitaxial layer, and a contact plug contacting the epitaxial layer. A central portion of the impurity region is thicker than an edge portion of the impurity region, in the first direction. The contact plug lies over the central portion of the impurity region.
Low dynamic resistance low capacitance diodes
A low dynamic resistance, low capacitance diode of a semiconductor device includes a heavily-doped n-type substrate. A lightly-doped n-type layer 1 micron to 5 microns thick is disposed on the n-type substrate. A lightly-doped p-type layer 3 microns to 8 microns thick is disposed on the n-type layer. The low dynamic resistance, low capacitance diode, of the semiconductor device includes a p-type buried layer, with a peak dopant density above 1×1017 cm−3, extending from the p-type layer through the n-type layer to the n-type substrate. The low dynamic resistance, low capacitance diode also includes an n-type region disposed in the p-type layer, extending to a top surface of the p-type layer.
Semiconductor device and manufacturing method thereof
According to an embodiment, a semiconductor device includes: a stacked body in which insulator layers and conductor layers alternately stacked; a block insulator film on a surface of the insulator layer and a surface of the conductor layer; a charge storage capacitor film on a surface of the block insulator film; a tunnel insulator film including a first insulator film on a surface of the charge storage capacitor film, a second insulator film on a surface of the first insulator film, and a third insulator film on a surface of the second insulator film; and a channel film on a surface of the third insulator film. A defect termination element is included in at least the first or the third insulator film, and defect termination element content concentrations of the first, the second, and the third insulator film are different from one another.
Light-emitting diode (LED) device
A light-emitting diode (LED) device configured to provide a multi-color display includes a plurality of light-emitting cells at least partially defined by a partition layer. The LED device may be configured to reduce optical interferences between the light-emitting cells. The LED device includes a plurality of light-emitting structures spaced apart from one another; a plurality of electrode layers on respective first surfaces of the light-emitting structures, a separation layer configured to electrically insulate the light-emitting structures from each other; phosphor layers on respective second surfaces of the light-emitting structures and associated with different colors, and a partition layer between the phosphor layers to separate the phosphor layers from one another. Each light-emitting cell may include a separate light-emitting structure, a separate set of one or more electrodes, and a separate phosphor layer.
A micro-printed display includes a display substrate. An array of row conductors, an array of column conductors, and a plurality of micro-pixels are disposed on the display substrate. Each micro-pixel is uniquely connected to a row and a column conductor and comprises a pixel substrate separate from the display substrate and the pixel substrate of any other micro-pixel. Pixel conductors are patterned on each pixel substrate and one or more LEDs are disposed on or over the pixel substrate. Each LED is electrically connected to one or more of the pixel conductors and has an LED substrate separate from any other LED substrate, the display substrate, and any pixel substrate. A pixel controller disposed on the pixel substrate can control the LEDs. The micro-pixel can be electrically connected to the display substrate with connection posts. Redundant or replacement LEDs or micro-pixels can be provided on the pixel or display substrate.
Wafer to wafer structure and method of fabricating the same
A wafer to wafer structure includes a first wafer, a second wafer. A first bonding layer and a second bonding layer are disposed between the first wafer and the second wafer. A plurality of first interconnects are disposed within the he first bonding layer. A plurality of second interconnects are disposed within the second bonding layer. An interface is disposed between the first bonding layer and the second bonding layer. At least a through silicon via penetrates the first wafer, the first bonding layer and the interface to enter the second bonding layer. The through silicon via contacts one of the first interconnects and one of the second interconnects.
Dual-sided integrated fan-out package
A method for forming through vias comprises the steps of forming a dielectric layer over a package and forming an RDL over the dielectric layer, wherein forming the RDL includes the steps of forming a seed layer, forming a first patterned mask over the seed layer, and performing a first metal plating. The method further includes forming through vias on top of a first portion of the RDL, wherein forming the through vias includes forming a second patterned mask over the seed layer and the RDL, and performing a second metal plating. The method further includes attaching a chip to a second portion of the RDL, and encapsulating the chip and the through vias in an encapsulating material.
Semiconductor device and method of forming insulating layers around semiconductor die
A semiconductor device has a semiconductor wafer including a plurality of semiconductor die and a plurality of contact pads formed over a first surface of the semiconductor wafer. A trench is formed partially through the first surface of the semiconductor wafer. An insulating material is disposed over the first surface of the semiconductor wafer and into the trench. A conductive layer is formed over the contact pads. The conductive layer can be printed to extend over the insulating material in the trench between adjacent contact pads. A portion of the semiconductor wafer opposite the first surface of the semiconductor wafer is removed to the insulating material in the trench. An insulating layer is formed over a second surface of the semiconductor wafer and side surfaces of the semiconductor wafer. The semiconductor wafer is singulated through the insulating material in the first trench to separate the semiconductor die.
Method for producing member for semiconductor device and semiconductor device, and member for semiconductor device
There is provided a method for producing a member for semiconductor device which can reduce generation of a large number of voids in a solder-bonded portion without increasing production cost. The method includes the step of preparing a first member including a metal portion capable of being bonded by solder and the step of coating the surface of the metal portion of the first member with a treatment agent to form a treated coating which vaporizes at a temperature lower than or equal to the solidus temperature of the solder.
Semiconductor devices, methods of manufacture thereof, and packaged semiconductor devices
Semiconductor devices, methods of manufacture thereof, and packaged semiconductor devices are disclosed. A method of forming a device includes forming a conductive trace over a first substrate, the conductive trace having first tapering sidewalls, forming a conductive bump over a second substrate, the conductive bump having second tapering sidewalls and a first surface distal the second substrate, and attaching the conductive bump to the conductive trace via a solder region. The solder region extends from the first surface of the conductive bump to the first substrate, and covers the first tapering sidewalls of the conductive trace. The second tapering sidewalls of the conductive bump are free of the solder region.
Interconnect structure and fabricating method thereof
An interconnect structure including a first dielectric layer, a first conductive layer, a second conductive layer, a capping layer, and a via is provided. The first dielectric layer has a first trench and a second trench. The first conductive layer is located in the first trench. The second conductive layer is located in the second trench, and a top surface of the second conductive layer is lower than a top surface of the first dielectric layer. The capping layer having a via opening exposing a portion of the first conductive layer covers the first dielectric layer, the first conductive layer, and the second conductive layer. The via located on the first conductive layer and the first dielectric layer located between the first conductive layer and the second conductive layer is filled into the via opening and electrically connected to the first conductive layer.
Interconnect structure and fabrication method thereof
An interconnect structure includes a dielectric layer and a conductor embedded in the dielectric layer. A top surface of the conductor is flush with a top surface of the dielectric layer. A cobalt cap layer is deposited on the top surface of the conductor. A nitrogen-doped cobalt layer is disposed on the cobalt cap layer.
Method of manufacturing a semiconductor device comprising a semiconductor chip mounted over a metal plate having an inclined surface
An improvement is achieved in the performance of a semiconductor device. The semiconductor device includes a metal plate having an upper surface (first surface), a lower surface (second surface) opposite to the upper surface, and a plurality of side surfaces located between the upper and lower surfaces and having a semiconductor chip mounted thereover. A portion of the metal plate is exposed from a sealing body sealing the semiconductor chip. The exposed portion is covered with a metal film. The side surfaces of the metal plate include a first side surface covered with the sealing body and a side surface (second side surface) provided opposite to the first side surface and exposed from the sealing body. Between the upper and side surfaces of the metal plate, an inclined surface inclined with respect to each of the upper and side surfaces and covered with the metal film is interposed.
Method for producing semiconductor device and semiconductor device
A semiconductor device includes a semiconductor substrate having a first surface and a second surface opposite the first surface, a through via extending through the semiconductor substrate from the first surface to the second surface, a metal layer adjacent an inside surface of the through via, and an insulating film including OH bonds located between the semiconductor substrate and the metal layer, the insulating film having a thickness of 1 μm or less.
Package structures and methods of forming the same
An embodiment is a method including: attaching a first die to a first side of a first component using first electrical connectors, attaching a first side of a second die to first side of the first component using second electrical connectors, attaching a dummy die to the first side of the first component in a scribe line region of the first component, adhering a cover structure to a second side of the second die, and singulating the first component and the dummy die to form a package structure.
Face down dual sided chip scale memory package
A semiconductor die that includes a first die located on a first side of an interposer and a second die located on a second side of the interposer. Active sides of the first and second dies may each face the interposer. A bond wire may electrically connect the first die to the second side of the interposer and a bond wire may electrically connect the second die to the first side of the interposer. The bond wires may extend through a plurality of windows in the interposer. First and second dies may be attached to a first side of an interposer and may be electrically connected to a second side of the interposer through windows and third and fourth dies may be attached to a second side of the interposer and may be electrically connected to the first side of the interposer through windows.