Insertion head for leaded component
An insertion head includes: a horizontal shaft member; one pair of gripping claws, each gripping claw extending on a surface which is orthogonal to the horizontal shaft member; one pair of gripping claw holding members which are provided to be movable on the horizontal shaft member, and hold the one pair of gripping claws; a swing mechanism which rotates and drives the horizontal shaft member, and swings the one pair of gripping claw holding members around a center axis of the horizontal shaft member; and an interval changing mechanism which moves the one pair of gripping claw holding members on the horizontal shaft member and changes an interval between the one pair of gripping claws. A gripping force of the leaded component by the one pair of gripping claws is changed by performing an interval changing control of the one pair of gripping claws via the interval changing mechanism.
Modular data center and method of controlling modular data center
A modular data center includes a fan which creates a cooling wind by taking in outside air, electronic devices which takes in the cooling wind and to discharge an exhaust flow, a flow passage which guides a part of the exhaust flow to upstream of the fan, an opening-closing portion which opens and closes the flow passage, and a control unit which adjusts the cooling wind by controlling the fan, and thereby to cool a temperature of the electronic device to a specified temperature. The control unit closes the opening-closing portion when a first assumed value of power consumed by the fan is smaller than a current value of the power. The control unit opens the opening-closing portion when a second assumed value of the power consumed by the fan is smaller than the current value of the power.
Aisle containment roof system having a fixed perforated panel and a movable perforated panel
An aisle containment roof system includes a frame configured to be supported by two rows of racks or by the one row of racks and a wall or by a dedicated frame structure independent of the two rows of racks. The aisle containment roof system further includes a fixed perforated panel fixedly secured to the frame. The fixed perforated panel includes a pattern of openings formed therein. The aisle containment roof system further includes a movable perforated panel movably secured to the frame. The movable perforated panel has a pattern of openings corresponding to the pattern of openings of the fixed perforated panel. The aisle containment roof system further includes a mechanism configured to move the movable perforated panel relative to the fixed perforated panel to align the openings of the movable perforated panel to the openings of the fixed perforated panel.
Graphene-based thermal management systems
In one aspect, thermally managed electronic components are described herein. In some implementations, a thermally managed electronic component comprises an electronic component and a thermal management coating disposed on a surface of the electronic component. The thermal management coating comprises a graphene coating layer disposed on the surface of the component. The graphene coating layer may comprise a layer of aligned carbon nanoparticles. Moreover, the thermal management coating may further comprise an additional layer of aligned carbon nanoparticles disposed on the graphene coating layer. In another aspect, methods of applying a thermal management coating on an electronic component are disclosed. In some implementations, such a method comprises disposing a graphene coating layer on a surface of an electronic component. The graphene coating layer may comprise a layer of aligned carbon nanoparticles. Such a method may further comprise disposing an additional layer of aligned carbon nanoparticles on the graphene coating layer.
Cooled electronic system with liquid-cooled cold plate and thermal spreader coupled to electronic component
Apparatus and method are provided for facilitating cooling of an electronic component. The apparatus includes a liquid-cooled cold plate and a thermal spreader associated with the cold plate. The cold plate includes multiple coolant-carrying channel sections extending within the cold plate, and a thermal conduction surface with a larger surface area than a surface area of the component to be cooled. The thermal spreader includes one or more heat pipes including multiple heat pipe sections. One or more heat pipe sections are partially aligned to a first region of the cold plate, that is, where aligned to the surface to be cooled, and partially aligned to a second region of the cold plate, which is outside the first region. The one or more heat pipes facilitate distribution of heat from the electronic component to coolant-carrying channel sections of the cold plate located in the second region of the cold plate.
Housing and hinge to enable board movement
An example device in accordance with an aspect of the present disclosure includes a housing to guide the device for attachment onto a computing system. A board is mounted in the housing and includes a first connector facing along a first direction. A hinge is to enable at least a portion of the board and the first connector to move along the first direction and engage a second connector for installation.
Electronic device having a removable handle
An electronic device having a removable handle is provided and includes a handle, two connecting elements, and a body. The handle is coupled to the body through the connecting elements to allow a user to change the handle through the connecting elements as needed, thereby rendering the use of the handle highly flexible. Bumps of the connecting elements are disposed at concave portions on the body, respectively. The fastening components fasten the connecting elements to the body. Therefore, the connecting elements are firmly coupled to the body to enhance overall structural stability after assembly and usage safety of using the handle to carry the body.
Flexible apparatus and electronic device
An apparatus to support a flexible screen of an electronic device includes a plurality of shafts, a plurality of rows of first connecting members, and a plurality of rows of second connecting members. Each first and second connecting member has a top side, a bottom side, a left aperture and a right aperture extending from the top side to the bottom side, with each aperture coupled to a shaft. The width of the apertures for each second connecting member is greater than the width of the apertures for each first connecting member. The plurality of shafts are connected to each other by alternate rows of first connecting members and second connecting members along the length of the shafts. Each connecting member in a row of connecting members overlaps with two connecting members in an adjacent row of connecting members.
Electric circuit on flexible substrate
Generally discussed herein are systems and apparatuses that can include a flexible substrate with a hermetic seal formed thereon. The disclosure also includes techniques of making and using the systems and apparatuses. According to an example a technique of making a hermetic seal on a flexible substrate can include (1) forming an interconnect on a flexible substrate, (2) situating a device on the substrate near the interconnect, or (3) selectively depositing a first hermetic material on the device or interconnect so as to hermetically seal the device within the combination of the interconnect and first hermetic material.
Automatic power disconnect method
Coupling an electrical connector to a printed circuit board (PCB) involves disposing forms of conductive bonding agent on the PCB, pressing spring-loaded power pins of an electrical connector towards a surface of the PCB, heating the forms of conductive bonding agent, thereby at least partially melting the forms, pressing the spring-loaded power pins into the melted forms of conductive bonding agent, and holding the power pins in the forms until the forms have cooled enough to form a bond that holds the power pins, thereby forming an electrical connection between the one or more pins and the PCB. The spring-loaded power pins are configured to automatically lift away from the surface of the PCB when the bond is weakened.
Desmear module of a horizontal process line and a method for separation method and removal of desmear particles from such a desmear module
A desmear module for a horizontal galvanic or wet-chemical process line for metal, in particular copper, deposition on a substrate to be treated for a removal of precipitates comprising a desmear container connectable to a desmear unit, a pump and at least a first liquid connection element for connecting said pump with the desmear unit, wherein said pump is in conjunction with said desmear unit by said at least first liquid connection element; and wherein a treatment liquid level is provided inside the desmear module, which is above an intake area of the pump; wherein the desmear module further comprises at least a first liquid area, at least an adjacent second liquid area comprising the intake area of the pump, and at least a first separating element arranged between said at least first liquid area and said at least second liquid area.
Passive device assembly for accurate ground plane control
Passive device assembly for accurate ground plane control is disclosed. A passive device assembly includes a device substrate conductively coupled to a ground plane separation control substrate. A passive device disposed on a lower surface of the device substrate is separated from an embedded ground plane mounted on a lower surface of the ground plane separation control substrate by a separation distance. The separation distance is accurately controlled to minimize undesirable interference that may occur to the passive device. The separation distance is provided inside the passive device assembly. Conductive mounting pads are disposed on the lower surface of the ground plane separation control substrate to support accurate alignment of the passive device assembly on a circuit board. By providing sufficient separation distance inside the passive device assembly, the passive device assembly can be precisely mounted onto any circuit board regardless of specific design and layout of the circuit board.
Remote control device having motherboard and battery daughterboard connected by interconnect
A portable remote control device such as a key fob includes a motherboard, a battery daughterboard having a battery holder to secure a battery, and an interconnect mounting the battery daughterboard to the motherboard. The battery daughterboard may include a first via and the motherboard may include a second via in which the vias are misaligned with one another. The interconnect includes a first pin inserted through the first via and the second via to mount the battery daughterboard to the motherboard. The first pin has a disjointed configuration over a length of the pin in correspondence with a misalignment of the first via and the second via.
Connection structure of wiring substrate, and connection method of wiring substrate
Through positioning between a first mark portion of a first substrate body and a second mark portion of a second substrate body, a first connection terminal portion and a second connection terminal portion are superimposed on each other simultaneously with the superimposition of the second substrate body on the first substrate body. In addition, a first substrate cut-off portion and a second substrate cut-off portion are also superimposed on each other. The first connection terminal portion of a first row and the second connection terminal portion of the first row are electrically bonded to each other by thermo-compression bonding or the like.
Scalable, printable, patterned sheet of high mobility graphene on flexible substrates
The present invention provides methods for fabricating graphene workpieces. The present invention also provides for products produced by the methods of the present invention and for apparatuses used to perform the methods of the present invention.
A flexible-to-rigid tube is flexible when routed and is then rigidized to increase burst strength. According to the preferred embodiments of the present invention, the flexible-to-rigid tube is included in a cooling plate assembly for transferring heat from electronic components mounted on a circuit board. In one embodiment, the flexible-to-rigid tube (while in a flexible state) includes a polydimethylsiloxane (PDMS) or other silicone containing pendant or terminal epoxy, vinyl and/or acrylate functional groups and an initiator (e.g., a sulfonium salt photoinitiator, a free radical photoinitiator, or a thermal initiator). In another embodiment, triallyl isocyanurate (TAIC) and an initiator are incorporated into a conventional PVC-based tubing material. The flexible-to-rigid tube changes from the flexible state to a rigid state via formation of a cross-linked network upon exposure to actinic radiation or heat.
Printed circuit and circuit board assembly configured for quad signaling
Printed circuit includes a planar substrate having opposite sides and a thickness extending therebetween. The sides extend parallel to a lateral plane. The printed circuit also includes a plurality of conductive vias extending through the planar substrate in a direction that is perpendicular to the lateral plane. The conductive vias include ground vias and signal vias. The signal vias form a plurality of quad groups in which each quad group includes a two-by-two array of the signal vias. Optionally, the printed circuit also includes signal traces that electrically couple to the signal vias. The signal traces may form a plurality of quad lines in which each quad line includes four of the signal traces. The four signal traces of each quad line may extend parallel to one another and be in a two-by-two formation.
Thermal metal ground for integrated circuit resistors
Metal thermal grounds are used for dissipating heat from integrated-circuit resistors. The resistors may be formed using a front end of line layer, for example, a titanium-nitride layer. A metal region (e.g., in a first metal layer) is located over the resistors to form a heat sink. An area of thermal posts connected to the metal region is also located over the resistor. The metal region can be connected to the substrate of the integrated circuit to provide a low impedance thermal path out of the integrated circuit.
Commissioning mechanism for creating functional wireless lighting groups
An apparatus for creating functional lighting groups is provided. The apparatus includes a commissioning device and a gateway. The commissioning device is configured to identify, locate, and record a plurality of wireless devices during commissioning of the plurality of wireless devices, the plurality of wireless devices having a common circuit and legacy line voltage switch, and is configured to direct the plurality of wireless devices over a wireless network to enter a grouping mode and to send messages indicating that they have been power cycled by the legacy line voltage switch. The gateway is coupled to the wireless network, and is configured to receive the messages and to create a functional lighting group including the plurality of wireless devices.
An emergency light system is provided to help an emergency response team in locating an emergency site, the emergency light system comprising an LED light bulb with a wireless connectivity preferably Wi-Fi, and an app installed on a mobile communication device and connected to the LED light bulb via the wireless connectivity. The app allows registering emergency numbers in it. Further, the app is connected to the dialing pad of the mobile communication device to detect dialing of a registered emergency number. When the app detects the dialing of a registered emergency number, it sends signal to the LED light bulb via wireless connection to activate the LED light bulb to light in strobe pattern. The LED light bulb can be deactivated automatically after 45 minutes or manually through App. The emergency light system also provides a battery backup to the LED light bulb.
Light fixture as an access point in a communication network
A light fixture is described herein. The light fixture can include a housing having at least one wall that forms a cavity. The light fixture can also include a controller configured to control and communicate with at least one sensor located outside the housing. The light fixture can further include at least one light fixture component coupled to the controller and disposed within the cavity of the housing, where the controller further controls the at least one light fixture component.
Digital communication interface circuit for line-pair with duty cycle imbalance compensation
A circuit (200, 300, 400, 600, 700, 800) interfacing a device (20, 30, 40, 60, 80) with a line-pair includes: a diode bridge (210) having polarity-independent input terminals coupled to the line-pair; a galvanic isolation device (230, 330) receiving a transmit signal and coupling the transmit signal to its output; a variable edge delay circuit (270, 370, 572, 574, 576) that delays rising/falling edges of the transmit signal more than falling/rising edges of the transmit signal; a voltage-controlled variable resistance element (260, 360, 460) connected across output terminals of the diode bridge; and a filter connected to a control terminal of the voltage-controlled variable resistance element. The filter includes decoupled charge and discharge paths to decouple the rise time of the transmit signal from the fall time of the transmit signal. The voltage-controlled variable resistance element couples the transmit signal to the line-pair via the diode bridge.
Training child night light
The present invention relates to a device and method of training a child not to cry by providing a light which dims in response to a child crying and turns back on or brightens when the child stops crying.
Image sensor controlled lighting fixture
Methods and systems for controlling lighting fixtures independently with image sensors. In an embodiment, a luminaire includes a controller, an image sensor and wide-angle lens component, and a light source. The controller receives detection signal data from the image sensor and wide-angle lens component when a user is within a detection area associated with a view angle of the wide angle lens, and then determines the position of the user. The controller then controls the illuminance of the light source based on the position of the user. In particular, illuminance is increased as the user approaches a center portion of the detection area, and decreased as the user moves away from the center portion.
Fail-safe LED system
The present disclosure relates to a fail-safe LED system including an LED circuit arrangement. The LED circuit arrangement includes a plurality of LED strings arranged in parallel with respect to each other. The LED circuit arrangement is supplied with electrical current from a constant current power supply. The fail-safe LED system includes structure for detecting a in at least one of the LED strings a failure that causes increased current to pass through remaining operational LED strings of the plurality of LED strings. The fail-safe LED system also includes a current correction string arranged in parallel with respect to the plurality of LED strings. When activated in response to the detection of a failure, the current correction string accommodates current from the constant current power supply such that the current passing through each operational LED string is reduced to a corrected current level.
Integrated fish diversion system, and lighting device used therein
Described are various embodiments of an integrated fish diversion system, and lighting device used therein. One embodiment provides a system for diverting approaching fish from a predominant water flow path and toward a bypass. The system comprises a structural diversion assembly to be disposed across the predominant water flow path to guide the approaching fish along the structural diversion assembly to the bypass, while allowing passage of water through the structural diversion assembly along the predominant water flow path. The system further comprises one or more lighting devices to be cooperatively disposed in relation to the structural diversion assembly to further guide the approaching fish toward the bypass; and a controller operatively coupleable to the one or more lighting devices and operable to select an output spectrum thereof to optimize fish guidance thereby.
A device includes light source and a controller. The light source includes a first LED coupled to a second LED, where a first terminal of the first LED is coupled to a first terminal of the second LED. The controller is configured to receive an input signal indicative of a color of light. The controller is also configured to adjust, based on the input signal, a first proportion of a current, the first proportion being applied to the first LED. The controller is also configured to adjust, based on the input signal, a second proportion of the current, the second proportion being applied to the second LED.
Keypad with color temperature control as a function of brightness among scenes and the momentary or persistent override and reprogram of a natural show and method thereof
An illumination system and method is provided for readily mapping a plurality of scenes along a dimcurve form a natural show for one or more groups of LED illumination devices. Mapping can be performed using a graphical user interface on a remote controller wirelessly linked to the illumination devices. A keypad is preferably configured for button control of changes to color temperature as a function of brightness along each of the various dimcurves for each of the various groups of illumination devices controlled by a corresponding keypad to allow momentary or persistent override and reprogram of the natural show. Modification to a scene further comprises modifications to scenes before and after the currently modified scene to provide a smoothing dimcurve modification. Global keypad can be used to control multiple zones arranged throughout a structure to switch between a natural show that emulates outdoor sunlight conditions to a panic show when an intruder is detected.
Synchronized light control over a wireless network
A light control and data interface module (LCDIM) is used to control an LED based illumination device. The LCDIM includes a transceiver that receives communication signals from one or more sensor modules. The signals may include an indication of an identity of the one or more sensor modules and elapsed time since a triggering event was detected. One or more processors are configured to receive the communication signal and to determine a delay time to trigger a lighting control response. The one or more processors are further configured to cause the transmission of a command signal to a power converter coupled to the LCDIM to implement the lighting control response.
Management of bin information in a luminous, motor-vehicle module comprising semiconductor-component light sources
The invention proposes to gather bin information identifying semiconductor-component light sources in a luminous module for a motor vehicle by way of a single electronic circuit in which the light sources and the bin information relating thereto are implemented. The invention allows the cabling between a supply device and a printed circuit board containing the electronic circuit according to the invention to be decreased since the bin information required for the configuration of the supply device is gathered actively over the supply line of the light sources.
Non-linear analog signal conversion circuit configured of passive elements and lighting apparatus using the same
A non-linear analog signal conversion circuit configured of passive elements and a lighting apparatus using the same. The non-linear analog signal conversion circuit includes: an input module for inputting a dimming signal; an inversion module for inverting the dimming signal; a non-linear conversion module for non-linearly converting input power Vdc into first output power Vo1 according to the inverted dimming signal; and a filter module for converting the first output power Vo1 of an output terminal of the non-linear conversion module into reference power Vref by removing noise of the first output power Vo1.
Electrode joint spacer
An electrode joining apparatus for joining a free electrode to a fixed electrode. The electrode joining apparatus includes an electrode holder configured to selectively hold the fixed electrode and a torque device positioned above the electrode holder, the torque device configured to grip and spin the free electrode to join the electrodes. The electrode joining apparatus can include an axial passage defined through the electrode holder and the torque device. A retractable spacer can be movably connected to the electrode joining apparatus, the retractable spacer configured to selectively move into the axial passage. The retractable spacer can be used to form a gap between the free electrode and the fixed electrode before the joining process is initiated. Electrode joining apparatus can also include a spacer drive mechanism coupled to the retractable spacer, the spacer drive mechanism configured to selectively move the retractable spacer into the axial passage.
Microwave heating apparatus and method of operating such a microwave heating apparatus
A microwave heating apparatus and a method of operating a microwave heating apparatus are provided. The microwave heating apparatus comprises a load receiving cavity, at least one microwave source, a plurality of feeding ports connected to the microwave source and the cavity for feeding microwaves to the cavity, a measuring unit and a control unit. The measuring unit measures, for at least one frequency or within a frequency range, the power of microwaves reflected back to the microwave source for at least part of the plurality of feeding ports. The control unit selects at least one of the feeding ports based on the measured powers of the reflected microwaves in order to feed microwaves to the cavity via the at least one selected feeding port during operation of the microwave heating apparatus at the at least one frequency or within the frequency range.
Paging method and apparatus for communication of M2M/MTC device operating in high power saving reception mode in a mobile communication system, and system thereof
method is provided for communicating with a User Equipment (UE) supporting a High Power Saving Reception Mode (HPSRM) mode by an evolved Node B (eNB) in a wireless communication system. The method includes receiving Discontinuous Reception (DRX) cycle information from a network entity performing mobility management for the UE by the eNB communicating with the UE over a wireless link; and broadcasting system information including the DRX cycle information. The DRX cycle information is set longer than DRX cycle information of a UE non-supporting the HPSRM mode. By doing so, an efficient paging method for an UE operating in the HPSRM mode may be provided.
ANR task execution method, system and ANR user equipment management method, apparatus
An Automatic Neighbor Relation (ANR) task execution method, system and an ANR user equipment management method, apparatus are described, when an ANR function is enabled, a corresponding User Equipment (UE) is selected for the enabled ANR function, and then a Discontinuous Reception (DRX) configuration matching this ANR function is configured for the selected UE; that is, the disclosure specifically configures a matching DRX parameter for the UE selected by the ANR function, without searching a required UE from the UE configuring a Long DRX in an entire cell, thus improving efficiency and a success rate of executing an ANR task; simultaneously the disclosure only needs to perform specific configuration on the UE selected by the ANR function, without changing the configuration of all the UEs in the entire cell, thus greatly reducing an influence on a Key Performance Indicator (KPI) of the cell, and improving entire user experience satisfaction of the cell.
Method and apparatus for switching data path in wireless communication system supporting device-to-device communication
The present invention relates to a method and an apparatus for switching a data path in a wireless communication system supporting device-to-device (D2D) communication. The method for switching a path of a base station in a wireless communication system supporting device-to-device communication, according to the present invention, comprises the steps of: receiving, from a first terminal, a measurement report including a D2D identifier of a second terminal that performs a direct communication with the first terminal; sending a query to a D2D server for a network identifier corresponding to the D2D identifier of the second terminal; and determining whether to switch a direct path between the first terminal and the second terminal to a local path on the basis of the network identifier of the second terminal obtained from the D2D server.
Method and apparatus for operating an electronic device
An electronic device comprising: a communication interface; a memory; and at least one processor coupled to the memory and the communication interface, wherein the at least one processor is configured to: detect a change of state of the electronic device; transmit to a secondary electronic device a first information item associated with the change of state of the electronic device; receive a second information item from the secondary electronic device in response to the first information item; and perform an operation based on the secondary information item.
Conditional transmission deferral for dual wireless band coexistence
A wireless communication system is presented for multiple wireless technology coexistence in a mobile device. A method according to this application might include obtaining one or more transmit allocation parameters for a wireless transmission via a first radio technology at a first wireless processor and the preparing to receive wireless data via a second radio technology at a second wireless processor. Next, the exemplary method might request that the wireless transmission be deferred, followed by deciding whether to grant the deferral request based at least on the one or more transmit allocation parameters.
Multi-band link aggregation setup frames
This disclosure describes systems, methods, and devices related to link aggregation between devices. A device may encode a multi-band element for transmission using a first interface of one or more interfaces to a first device. The device may cause to send a first link aggregation setup request to the first device including at least in part the multi-band element. The device may identify a first link aggregation setup response from the first device. The device may cause to establish a multi-band link aggregation session with the first device using the first interface.
Method for transmitting discovery message in wireless communication system and method for same
The present invention discloses a method for transmitting a discovery message in a wireless communication system and an apparatus for the method. More specifically, a method for transmitting a discovery message in a wireless communication system supporting communication between user equipments (UEs) comprises estimating, by a UE, an energy level over an energy detection interval configured within a discovery resource pool; determining, by the UE, a discovery resource region of the UE on the basis of the estimated energy level; selecting, by the UE, a discovery resource for transmitting a discovery message within the determined discovery resource region; and transmitting, by the UE, the discovery message from the selected discovery resource.
Modem-router unit, access node, and method of enabling communication with a packet switched network
An access node cooperates with a primary modem-router in a packet switched network. The access node comprises communication hardware configured to enable communication through the network by sending and receiving data packets, and encapsulates the data packets in a tunneling data protocol for sending the data packets to the primary modem-router using a data communication tunnel through a further modem-router. The communication hardware is also configured to retrieve, from the tunneling data protocol, data packets received from the primary modem-router.
Method, device, and system for transmitting short data during an active TDMA call
A mobile radio (MR) transmits short data during an active time division multiple access (TDMA) call in a wireless communication system. The mobile radio receives first communication media (CM) of the active call in a first slot of a first outbound TDMA logical channel (FLC) of an outbound traffic frequency having a slotting ratio n>=2. The MR transmits short data during at least a portion of a second slot of the FLC, pending short data on an inbound logical data channel of an inbound traffic frequency. The MR then receives second CM of the active call in a third slot of the FLC, and receives missed CM of the active call without specifically identifying the missed CM in any request for re-transmission of missed CM, in a first slot of a second outbound TDMA logical channel of the outbound traffic frequency.
Method for a user terminal to random access a carrier aggregation mobile communication system
A method for random access to a base station by a user equipment (UE) in a mobile communication system using carrier aggregation in which communication is conducted over a plurality of component carriers, and a terminal for the method are disclosed. When the UE performs a contention-based random access procedure in the mobile communication system to which CA technology is applied, the UE considers an uplink grant signal as a contention resolution message when receiving the uplink grant signal from a eNB only when the uplink grant signal is received through a downlink CC corresponding to an uplink CC used to transmit a random access preamble or a third message, to thereby prevent contention resolution from being erroneously ended.
Configurable random access initial power level selection
Methods, systems, and devices are described for initial power level selection on a physical random access channel in a wireless communications network. Initial power level selection may account for, or be based on, one or more channel conditions associated with the physical random access channel. Initial power level selection may be based on signaling of available initial power transmission levels and a reference signal received power measurement. The described features may be implemented as coverage enhancement techniques, for example, for machine-type communication (MTC).
Method for random access procedure and terminal thereof
There is provided a method for random access procedure. The method may comprise: determining, by a user equipment (UE), a first subframe on which a first random access preamble is to be transmitted to a first node; determining, by the UE, a second subframe, on which a second random access preamble is to be transmitted to a second node, except for the first subframe; and transmitting, by the UE, the first random access preamble on the first subframe and the second random access preamble on the second subframe.
Re-transmitting a poll to a peer protocol entity when a timer expires
Systems, methods, apparatuses, and computer program products for expediting repetition of an unanswered poll for automatic repeat request (ARQ) feedback are provided. One method includes transmitting a poll to a peer protocol entity to trigger status reporting at the peer protocol entity, starting a timer with a duration that is set based on whether at least one predefined condition is met. The at least one predefined condition depends at least on a value of a sequence number (SN) of a protocol data unit (PDU) in which the poll is transmitted. The method may further include re-transmitting a poll when the timer expires.
Method and device for enabling downlink coordinated multipoint communication
The present disclosure relates to a method and device (10) for enabling downlink (DL) coordinated multipoint (CoMP) communication. In particular it relates to a method of enabling CoMP in legacy user equipments, i.e. devices that only measures and reports the channel quality of the link to its primary serving point. The method comprises the steps receiving the at least one DL channel quality measurement (SI), receiving at least one uplink (UL) measurement of the respective UL channels from the wireless device to one of the multiple access points (S2), and estimating a coordinated DL multipoint channel quality of a coordinated multipoint channel corresponding to one or more different coordinated transmission states of the access points, based on the at least one DL channel quality measurement and the received UL measurements, by assuming that the DL path gains from the multiple access points to the wireless device are proportional to the UL path gains to the multiple access points for respective access point, thereby predicting link quality of inter-access-points-coordinated DL multipoint transmissions from the access points.
Method and system for scheduling multiple concurrent transmissions during a contention access period in a wireless communications network
Aspects of a method and system for scheduling multiple concurrent transmissions during a contention access period in a wireless communications network are presented. Aspects of the system comprise communicating devices (DEVs) within a piconet that are operable to derive a neighborhood map of a piconet. The neighborhood map information may enable a plurality of DEVs to concurrently transmit signals during a given channel time allocation (CTA) time slot. The ability for multiple DEVs to transmit signals concurrently during a single CTA time slot may increase spectral reuse within a wireless communication medium. In another aspect the system, the neighborhood map information may enable individual DEVs to set clear channel assessment (CCA) thresholds. Individual DEVs may utilize CCA threshold information to determine when to transmit signals to one or more destination DEVs and/or at what rate to transmit data via the signals.
Policy control method, and device
Embodiments of the present invention provide a policy control method and a device. The method includes: receiving a quality of experience QoE report sent by a user equipment UE, where the QoE report includes a QoE metric and a cell identity of a serving cell of the UE; and performing cell policy control according to the QoE report. In the embodiments of the present invention, a QoE server receives a QoE report sent by a UE, where the QoE report not only includes a QoE metric, but also includes a cell identity of a serving cell of the UE. Therefore, the QoE server performs policy control within a cell range according to the QoE report, thereby effectively improving flexibility of QoE service deployment and enhancing user experience.
System, method, and apparatus for setting device geolocation via location proxies
The present invention relates to wireless networks and more specifically directed to device location confirmation based on a geolocation proxy. One embodiment includes an exemplary device location confirmation component configured to implement a device location confirmation algorithm using a cloud database configured to comprise device information including location information from the geolocation proxy. Another embodiment includes a device configured to operate in a reduced functionality radio frequency mode until a location can be confirmed through a trusted cloud service.
Method and device for communication on unlicensed spectrum in UE and base station
The present disclosure provides a method and device for communication on unlicensed spectrum in a UE and a base station. In view of PUCCH resource waste and transmission delay increase that are caused by configuring too much unlicensed spectrum, in the present disclosure, logical information is configured so that PDSCHs transmitted through different sub-frames on different physical carriers form one logical carrier, and an HARQ operation is performed on the logical carrier. As an embodiment, HARQ_ACK resources are reserved according to the number of logical carriers currently configured, and a system uses dynamic signaling to indicate an index of an HARQ_ACK corresponding to a scheduled PDSCH in the reserved HARQ_ACK resources. The solution provided in the present disclosure saves PUCCH resources and reduces the HARQ delay. Besides, the present disclosure reuses as much as possible the PUCCH resource allocation scheme and HARQ transmission scheme in the existing LTE, and has good compatibility.
Method and base station for MU-MIMO transmission in wireless communication system
The present disclosure provides a method and base station for Multiple User-Multiple Input Multiple Output (MU-MIMO) transmission in a wireless communication system. The base station re-allocates frequency resources of a DMRS port which are allocated to N first data flows to M second data flows, wherein M is greater than N, and N first data flows may be used by N first UEs or less than N first UEs. The base station designates a DMRS port for K second UEs involved in joint scheduling according to the re-allocation result of frequency resources of a DMRS port, and sends information of the designated DMRS port via a downlink control signaling to the K second UEs, where K is lower than M or equal to M.
Methods and arrangements to coordinate communications of different types of devices on a wireless network
Logic may coordinate communications of different types of wireless communications devices such as high power and low power wireless communications devices. Logic may coordinate communications by assigning time slots to a low power station (LP-STA) in a management frame such as a beacon transmitted by an access point (AP) associated with the LP-STA. Logic of the high power stations (HP-STAB) may receive the beacon and shepard logic of the HP-STA may defer transmissions by the HP-STA throughout the duration(s) indicated in the beacon from the AP. Logic of the LP-STA may comprise carrier sense multiple access with collision avoidance logic to determine when to transmit a communication. Shepard logic of an HP-STA may detect the communication from the LP-STA and defer transmission of communication during a time duration for the communication by the LP-STA.
Wireless device and method for high-efficiency Wi-Fi (HEW) communication with block-by-block orthogonal training sequences
Embodiments of a HEW device and method for communicating in a high-efficiency Wi-Fi (HEW) network generally described herein. In some embodiments, an HEW frame may be configured to include an HEW long-training field (HEW-LTF) and the HEW-LTF may include an HEW long-training sequence (HEW-LTS) that is orthogonal on a block-by-block basis to a legacy LTS (L-LTS). The HEW frame may be transmitted as part of a data unit for reception by one or more HEW devices. In some embodiments, an HEW device and method for packet classification is provided. A packet classification may be determined from the HEW-LTF by determining which of a plurality of HEW-LTSs are included in the HEW-LTF.
ENB PDCCH implementation to avoid ambiguous DCI information
A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus determines a first starting index for transmitting first control information in a first search space, determines a second starting index for transmitting second control information in a second search space, and transmits the second control information in the second search space at the second starting index when the first starting index and the second starting index are not the same value. The apparatus further transmits to a user equipment (UE) control information in a first search space, receives information from the UE corresponding to the transmitted control information, and decodes the received information based on the UE parsing the control information according to the first search space and based on the UE incorrectly parsing the control information according to a second search space.
Overload control in a communication network
A method, a radio network node and user equipment (UE) suitable for overload control in a communication network are disclosed. The method comprises, when an overload condition is determined by a radio network node, including an overload indicator (OI) in a MAC PDU to be transmitted to the UE and thereby indicating to the UE that transmission resources for the UE will be allocated at a later point in time, e.g. when there is no longer any overload condition.
Downlink control information configuration and acquisition method, base station and terminal
Disclosed are a downlink control information configuration and acquisition method, a base station and a terminal, wherein the base station configures a plurality of sets of receiving information for the terminal via a terminal specific high-layer signaling, and the base station indicates, to the terminal, which set in the plurality of sets of receiving information to use to perform a DMRS and/or physical downlink shared channel (PDSCH) reception by using at least one of the following information: a localized virtual resource block/distributed virtual resource block assignment (LVRB/DVRB) bit in the DCI Format 1A; a control channel mode where the DCI Format 1A is located, PDCCH and ePDCCH; an ePDCCH transmission mode where the DCI Format 1A is located, diversity transmission mode and localized transmission mode; and an ePDCCH cluster where the DCI Format 1A is located.
Method and apparatus for transmitting downlink control information
A base station determines a time domain position and a frequency domain position of an enhanced search space bearing downlink control information, and sends the downlink control information on the time domain position and the frequency domain position. With the present invention, the problem that a search space of a PDCCH area cannot be used to transmit downlink control information is solved by transmitting the downlink control information through an enhanced search space when an NCT is independently operated and a low-cost terminal is accessing a large bandwidth system.
Automated and adaptive channel selection algorithm based on least noise and least density of wireless sensors network in neighborhood
An apparatus and method are provided that include a control panel of an automation system that protects a secured geographic area actively scanning each of a plurality of radio frequency channels of a predetermined radio frequency spectrum for other access points operating under an IEEE 802.15.4 format, the control panel identifying at least two of the plurality of channels with a lowest relative number of the other access points operating under the IEEE 802.15.4 format, the control panel performing an energy scan on each of the identified at least two channels, the control panel selecting one of the at least two channels with a lowest relative energy and the control panel setting up a wireless connection with each of a plurality of wireless sensors within the secured area on the selected channel under the IEEE 802.15.4 format.
Method, device and system for transmitting multicast control channel change notification
A method, a device and a system for transmitting an multicast control channel change notification relate to the communication technology field, and solve the problem in the prior art that the MBMS service cannot be performed through a deactivated cell. A method for sending a multicast control channel change notification includes: acquiring relative identification information of the multicast control channel change notification when a non-effective cell of a terminal needs to send the MCCH change notification; and sending the MCCH change notification corresponding to the non-effective cell to the terminal in an effective cell; wherein, the effective cell is a cell that is assigned to the terminal and in an activation status, and the non-effective cell is a cell other than the effective cell.
Communication transmission system and method for xHRPD
Communication transmission system and method are provided. The communication transmission system includes a base station and user equipment. The base station is configured to control a page response for terminated services. The user equipment is configured to receive the page response from the base station. In addition, the user equipment obtains priorities of the different terminated services according to the page response from the base station.
Determining node location using a lower level node association in a wireless node network
Improved methods and apparatus are described for determining node locations using one or more associations of nodes in a wireless node network. In general, a first node (such as a master node) may broadcast one or more first messages at a first anticipated range distance. The first node identifies which nodes associated with the first node received at least one of the first messages, such as by reports from associated nodes that receives such message(s). The first node then broadcasts one or more second messages at a smaller anticipated range distance (e.g., with a lower output power level), and determines a location of those associated nodes that did not receive any second messages but received at least one of the first messages. Such a location is between the first anticipated range distance from the first node and the second anticipated range distance from the first node.
Method and system for determining a location of a mobile device
Systems and methods for determining a location of a mobile device are disclosed. A location of a second (e.g., mobile) device can be determined using location information of a first (e.g., stationary or wired) device. The location information of the first device can be sent, using the second device, to a server, which can then transmit corresponding location information to, for example, a call center.
Synchronization signal design for device to device operation
Various communication systems may benefit from appropriate synchronization signal design. For example, third generation partnership project (3GPP) long term evolution advanced (LTE-A) releases 12 and 13 (Rel 12/13) may benefit from such design for device to device (D2D) communications. In particular, synchronization signals may be designed to benefit proximity services (ProSe)/D2D discovery and communication. A method can include transmitting a cellular synchronization signal on a first resource. The method can also include transmitting a device to device synchronization signal on a second resource. The first resource can be different from the second resource. The cellular synchronization signal and the device to device synchronization signal can share a same base sequence.
Method and apparatus for wireless communication with dual connectivity
A method and an apparatus for wireless communication with dual connectivity are described. The apparatus supports dual connectivity with a first cell and a second cell and the apparatus comprises a radio frequency (RF) and a processor operatively coupled to the RF unit. The second cell is an overlaid virtual cell which is formed by collaborating the first cell and cell ID of the second cell is different from physical cell ID of the first cell when the processor uses primary synchronization signal (PSS), secondary synchronization signal (SSS) or cell-specific common reference signal (CRS) as synchronization signal for the second cell.
A method for executing a network command using synchronized timers. The method includes obtaining, by a first device, a first current time value from a first timer of the first device, determining, by the first device, a time-to-execute value based on the first current time value, sending, from the first device to a second device, a first network command message including the network command and the time-to-execute value, repetitively obtaining, by the second device, a second current time value from a second timer of the second device, comparing, by the second device and in response to receiving the first network command message, the second current time value to the time-to-execute value extracted from the first network command message, and executing, by the second device and in response to the second current time value matching the time-to-execute value, the network command, wherein the first timer and the second timer are synchronized.
Device, network, and method for communications with dynamic adaptation
An embodiment communication system and method adaptively use a secondary cell under the control of a primary cell for communicating with a user device. The secondary cell and the user device communicate based on instructions provided to both by the primary cell. To reduce interference and minimize power usage, the communications channel for the secondary cell is normally off.
Transmit power control in a spread-spectrum unslotted random access communication system
A method of transmitting data packets from a terminal (T) to a gateway receiver (GWR) over a channel shared with other terminals using an unslotted spread spectrum random access protocol, characterized in that transmission is performed at a transmit power level given by the sum of a deterministic term, function of a communication link budget, and of a random term, following a predetermined probability distribution. A method of operating a communication system, based on the method of transmitting data packets. A communication system and a terminal for implementing the methods.
Apparatus and method for controlling operation mode in a wireless terminal
An apparatus and a method for controlling a Discontinuous Reception (DRX) mode in which a Communication Processor (CP) performs a predetermined operation by switching between a sleep state and an active state in a wireless terminal having an Application Processor (AP) and the CP are provided. The method includes recording a control program configured for the active state in an internal memory of the CP, waking up from the sleep state to the active state at every predetermined interval, and performing an operation required in the active state by executing the control program recorded in the internal memory via the CP, wherein the control program is a complete control module or a part of the complete control module.
Connecting IMSI-less devices to the EPC
Capillary network devices (i.e., IMSI-less devices) may connect to an EPC through a home WLAN. A WLAN can be configured by the homeowner to accept responsibility for the traffic or a WLAN can indicate to a network that it will allow the traffic if the traffic is sponsored by an application server or if it is compensated for the traffic by the network operator. Where an IMSI-less device has a business relationship with a network operator, a WLAN can allow the device to authenticate with the network and obtain a device identifier from the network. Where an IMSI-less device has a business relationship with a SCS that has a business relationship with the network operator, the WLAN can allow the device to authenticate with the network.
System and method for authentication of a communication device
A system and method for authentication of a communication device is disclosed. A system that incorporates teachings of the present disclosure may include, for example, an authentication system can have a controller element that receives from a communication device by way of a packet-switched network an authentication request comprising a first identification (ID) of a gateway and a second ID of the communication device. The gateway and at least one network element of the packet-switched network can be provisioned to have a physical association with each other such that other network elements of the packet-switched network deny services to the gateway when the gateway attempts to operate outside of said physical association. From said physical association and the aforementioned IDs the controller element can authenticate the communication device. Additional embodiments are disclosed.
Base-station-to-base-station gateway and related devices, methods, and systems
The present disclosure relates to a base-station-to-base-station (BS-BS) gateway in a Long Term Evolution (LTE) cellular communication network and methods of operation thereof. In one embodiment, the BS-BS gateway receives information from a first base station which includes a hostname and a network address of the first base station. The BS-BS gateway then stores a mapping between the hostname and the network address. Thereafter, in one embodiment, the BS-BS gateway enables a second base station to address messages to the first base station using the hostname of the first base station. In this manner, changes in the network address of the first base station will not affect the ability of the second base station to address messages to the first base station. In some embodiments, the first base station is a low-power base station (LP-BS) and the second base station is a high-power base station (HP-BS).
Method of expanding beacon service coverage, and apparatus and system therefor
Provided is a method of expanding beacon service coverage, more particularly, a beacon service coverage expanding method that may expand beacon service coverage by using a user terminal to perform a beacon function to transmit a beacon signal within a certain coverage, and an apparatus and system therefor. The method of expanding beacon service coverage using the terminal may include receiving a beacon signal transmitted from a beacon device, measuring signal strength of the beacon signal to determine whether to perform a beacon function, and transmitting the beacon signal within a certain service coverage when the terminal determines to perform the beacon function.
LAN based wireless communications system
A method of routing calls from a mobile unit to a destination location can include registering the mobile unit with a wireless adjunct, wherein the wireless adjunct is in communication with a switching unit and a packet based network and is operable to receive data from the switching unit and place the data, in packetized form, on the packet based network. The method can further include responding to a call setup request from the mobile unit and querying a subscriber database to determine if the mobile unit is a resident or a guest. If the mobile unit is a resident, communications data can be routed from the mobile unit through the switching unit to a first destination location. If the mobile unit is a guest, communications data can be routed from the mobile unit through an RF source to a second destination location.
Path finding in a mesh network
A station (100, 330) for use in a mesh network comprising at least one first station (100a) and a second station (100b) wherein the station comprises a controller (210) configured to receive a path request for a path from the first station (100a) to the second station (100b) from a transmitting station (100a); determine a proposed path between the first station (100a) and the second station (100b); and determine a cost for the proposed path. The controller (210) is configured to retrieve a power output level for the transmitting station (100a), and to include the battery level in the determination of the cost for the proposed path, wherein an increase in power output level leads to an increase in cost for the proposed path.
Communication device, communication method, and recording medium
Provided are a communication device, a communication method, and a recording medium that can reduce concentration of a load on one of wireless channels. A communication device that uses wireless channels includes: acceptance means for accepting, from a different communication device and through one of the wireless channels, channel information that indicates wireless channels that can be used by the different communication device; control means for selecting, as a wireless forwarding channel for first information, a wireless channel, which is different from a wireless transmission channel for transmitting the first information, from among the wireless channels that are indicated by the channel information, and for adding second information indicating the wireless forwarding channel to the first information; and transmission means for transmitting the first information provided with the second information by using the wireless transmission channel.
Filtering of signal parameter values reported in a measurement report
A user equipment may determine an initial signal parameter value of a signal received from a base station. The user equipment may determine one or more subsequent signal parameter values corresponding to one or more signals received from the base station. The one or more subsequent signal parameter values may be measured after the initial signal parameter value. The user equipment may calculate a filtered signal parameter value based on the initial signal parameter value and the one or more subsequent signal parameter values. Each signal parameter value, of the one or more subsequent signal parameter values, may be weighted by an amount greater than or equal to a previously measured signal parameter value. The user equipment may provide the filtered signal parameter value in a measurement report.
Performing neighboring cell searches while transitioning to connected-mode
Performing cell re-selection by a device. A first cell on which to camp may be selected. The device may camp on the first cell in an idle-mode. The device may be configured to perform searches for neighboring cells according to an idle-mode timeline while camping on the first cell. The device may transmit a connection request to the first cell in order to transition the device from the idle-mode to a connected-mode via the first cell. One or more searches for neighboring cells may be performed according to a connected-mode timeline after transmitting the connection request, in response to transmitting the connection request. The one or more searches may be performed before the device establishes the connected-mode with the first cell.
Coordinated packet data network change for selected internet protocol traffic offload
Coordinated P-GW change for SIPTO may be provided. A WTRU may send and/or receive one or more flows via a first PDN connection and via a first P-GW. The WTRU may send an indication to the network that at least one flow of the first PDN connection is available for SIPTO. The indication may include one or more SIPTO preferences. The WTRU may receive a message from a MME. The message may trigger establishment of a second PDN connection via a second P-GW. The WTRU may move, while maintaining the first PDN connection, the at least one flow from the first PDN connection to the second PDN connection. The WTRU may deactivate the first PDN connection when the one or more flows have been moved to the second PDN connection and/or when no information has been received via the first PDN connection after a predetermined duration.
Method and apparatus for controlling small data transmission on the uplink
Apparatuses and methods for control of uplink transmission by a user equipment (UE) using machine-type communications (MTC) applications are described herein. The UE may transmit first data on a logical uplink channel. The logical uplink channel may have been assigned for use by machine-type communications (MTC) applications. The UE may receive transmission time restriction information, responsive to the transmitting, that indicates time periods during which the UE is permitted to transmit additional data on the logical uplink channel. The UE may refrain from transmitting additional data in a time period on the logical uplink channel based on the transmission time restriction information.
Wireless communication system and method for trains and other vehicles using trackside base stations
A method and system for wireless communication with a mobile router in a moving vehicle, such as a train, and an external wireless network is disclosed. The external network includes a plurality of trackside base stations distributed along a path of travel. The method includes: determining the presence of a mobile router within the access area of a trackside base station, and when the presence of a mobile router has been determined: setting the power of the trackside base station to a high power mode; determining a direction of travel of the vehicle; setting the power of at least one trackside base station arranged in the forward direction of the base station for which the mobile router has been detected to a high power mode; and setting the power of at least one trackside base station arranged in the backward direction of the base station to a low power mode.
Method and apparatus for improved user experience in a client terminal
In a wireless communication system, a client terminal may be required to periodically receive the broadcast and multicast system information of the serving and neighbor base stations. In most scenarios the broadcast and multicast system information of base stations may not change frequently. A method and apparatus are disclosed to store, manage and use the broadcast and multicast system information of a set of latest serving and neighbor base stations. This may enable a client terminal to avoid receiving and processing all or most of the base station system information messages. This may significantly reduce the active states of a client terminal and may lead to significant reduction in power consumption, which may be a critical advantage for battery operated client terminals. The present invention may also reduce the time taken by a client terminal to get connected or reconnected to a base station, which may improve the user experience.
Communication terminal and method for controlling a cell reselection
A communication terminal is described comprising a memory storing, for each radio cell of a plurality of radio cells, an information specifying whether the radio cell supports simultaneous operation in a plurality of different and overlapping frequency bands and a controller configured to initiate a cell reselection to one of the plurality of radio cells based on at least a part of the information.
Distributed virtual gateways
Aspects of the disclosure provide systems and methods for establishing one or more Distributed Gateways located close to a location of a UE to facilitate faster packet delivery to said UE during transitions. Such transitions can include the UE transitioning its state, for example from being idle to connected to the network, but also includes operations in which the serving AP(s) for the UE changes. The method includes establishing at least two virtual network function (VNF) components (VFNCs) of a distributed gateway (D-GW), each VNFC associated with an access point (AP). Each VNFC buffers packets directed to the wireless device. The method further includes selecting at least one AP for serving the wireless device, and forwarding the buffered packets from the VNFC associated with the selected APs to the selected APs for forwarding to the wireless device. Packets buffered at the VNFCs of non-selected APs are discarded.
Method and apparatus for enhancing measurement in wireless communication system
Embodiments of the present invention provide a method and an apparatus for enhancing measurement in a wireless communication system. The method includes: obtaining, according to a measurement period or triggered by an event, a measurement amount, where the measurement amount includes a ratio of a valid signal based on a reference signal to a non-valid signal based on the reference signal measured based on the reference signal; reporting the measurement amount to a base station; or performing cell selection or cell reselection according to the measurement amount.
Mobile terminal apparatus, control method, and computer product
A mobile terminal apparatus includes first communications circuitry that connects to a network through an access point; a storage device storing connection history information that includes entries associating area identification information that identifies a communication area of a base station to which second communications circuitry connects, network identification information that identifies the network, and access point identification information that identifies an access point that connected to the network in the communication area; and a processor that when in a communication area of a first base station identified by first area identification information, the first communications circuitry is connected to a first network identified by first network identification information, determines whether an entry that includes the first area identification information and the first network identification information together with different access point identification information has been retrieved from the connection history information and based on this determination, controls the first communications circuitry.
Scalable media access control for multi-hop high bandwidth communications
A scalable medium access control (“MAC”) module is provided that avoids conflict resource reservation so that network performance does not degrade as the number of hops or nodes in a wireless network increases. The MAC also provides different access schemes for traffic with different quality of service (“QoS”) requirements such that QoS is guaranteed and network resources are efficiently utilized. Furthermore, the resource allocation scheme determines the routing path as resources is allocated for data traffic, thereby achieving more robust layer-2 routing at the MAC layer. Finally, the scalable MAC is compliant with both WiMedia MAC and IEEE 802.15.3 MAC.
System and method for link adaptation
A method for operating a transmission point in a communications system includes receiving wideband feedback information at a first report rate, and receiving subband feedback information at a second report rate, wherein the first report rate is less than the second report rate. The method also includes performing dynamic rate selection for resource block groups (RBGs) of the communications system in accordance with the wideband feedback information and the subband feedback information.
Facilitating mobility dimensioning via dynamic configuration of a switch
Dynamic grouping of cell site devices to network devices that include a group of baseband processing devices is facilitated. One method includes determining, by a device including a processor, respective load information for cell site devices of respective cell sites associated with a network; and determining, by the device, interference information associated with the cell site devices. The method also includes determining, by the device, configuration information of a switch device communicatively coupled between the cell site devices and network devices that include a group of baseband processing devices. The determining the configuration information is based on the respective load information of the cell site devices and the interference information associated with the cell site devices.
Radio communication device, method, and program that calculate transmission time based on data rate
A radio communication method stores a plurality MAC frames for each of a plurality of destinations. The method decides the longest transmission time of transmission times needed to transmit the plurality of MAC frames to each of the plurality of destinations within a fixed period. The method generates a plurality of physical frames for the plurality of destinations to transmit them at the same time by connecting the plurality of MAC frames and adding additional information to each connected MAC frame so as to be a frame length equivalent to a transmission time equal to the longest transmission time.
Method and apparatus for coordinating change of operating frequency
Methods and apparatus are described. According to a method, a wireless transmit/receive unit (WTRU) communicates with a base station using a first base station operating frequency and a set of cell configuration parameters. The WTRU receives information indicating a second base station operating frequency to use for communications with the base station at a given time. The WTRU communicates with the base station using the second base station operating frequency and the same set of cell configuration parameters on or after the given time.
Controlling apparatus for communication-quality measuring, communication apparatus, and program
It is an objective of the present disclosure to provide a controlling apparatus for communication-quality measuring which suppresses a reduction of a service communication quality in measurement of a communication quality through data transfer. A communication apparatus 100 is provided with a controlling apparatus for communication-quality measuring 102 that includes a communication-quality measuring unit 106 performing the data transfer with a communication load at a predetermined repetition to measure a communication quality value, a measurement-environment memory 107 storing the communication quality value, a measurement-environment monitor 108 monitoring a change in the stored value in the measurement-environment memory 107, and a measurement-load controlling unit 109 changing the communication load according to the change in stored value.
Method of and a network server and mobile user equipment for providing chat/VolP services in a mobile telecommunications network
A method of and an application server and user equipment for providing at least one of chat and Voice over Internet Protocol, chat/VoIP, services to the mobile user equipment in a mobile telecommunications network. The mobile user equipment comprises a chat/VoIP client for accessing a chat/VoIP service application interfacing the mobile telecommunications network. The chat/VoIP service application interfaces a plurality of proprietary chat/VoIP clients for accessing a plurality of proprietary chat/VoIP communication environments operated by a plurality of chat/VoIP service providers, for providing chat/VoIP services to the chat/VoIP client of the mobile user equipment. The chat/VoIP client and the chat/VoIP service application may be arranged such that privileged use of the mobile telecommunications network is enabled, providing a session between the user equipment and a communication environment with a predetermined or agreed Quality of Service.
Utilization based control of wireless network services
Methods, systems, and computer readable media can be operable to facilitate dynamic provisioning of subordinate service sets. An access point providing primary service(s) and subordinate service(s) may determine the bandwidth available for the subordinate service(s) based on current channel utilization. Where the bandwidth available for the subordinate service(s) is determined to be less than a predetermined threshold, the access point may modify support for the subordinate service(s). The access point may reduce the number of clients allowed to access the subordinate service(s) or may temporarily suspend offering of the subordinate service(s) to client devices.
Terminal device and base station device
A terminal device capable of communicating with a base station device includes a reception unit which performs first measurement based on a first RS and performs second measurement based on a second RS, and a higher layer processing unit which reports a result of the first measurement and a result of the second measurement to the base station device. The result of the first measurement is reported to the base station device in a first state. The result of the first measurement or the result of the second measurement is reported to the base station device in a second state.
Method for indicating channel measurement feedback and sending station
Disclosed are a method for indicating channel measurement feedback and a sending station. The method comprises: a sending station sends a radio frame, wherein a signal field, which is in the physical layer header of the radio frame, carries indication information requesting channel measurement feedback. The disclosure effectively reduces the transmission load overhead for sending the radio frame when requesting channel measurement feedback, thereby reducing, the power consumption of a station.
Identification of wireless communication congestion
Near real time identification of predicted wireless communication congestion is based on a relationship between a number of key performance indicator (KPI) trend prediction values and corresponding KPI trend thresholds. Each KPI trend prediction value is calculated based on a number of past intervals and a number of KPIs corresponding to each past interval of the number of past intervals utilizing linear regression. A mobile communication network node, such as an enhanced node B, may identify predicted wireless communication congestion and notify mobile devices served by the node. Mobile devices served by the node, based on the notification, may restrict background application data communication and/or take appropriate action to contribute to a reduction in and/or elimination of the congestion.
Method, apparatus, and terminal for position guidance based on radio signal quality
Embodiments of the present disclosure provide a method, an apparatus, and a terminal for position guidance based on radio signal quality. The method includes, when it is determined that signal quality in a first position does not meet a preset condition, acquiring a target position in which signal quality meets the preset condition, where the first position is a position in which a first terminal is currently located; and displaying an indication icon on a status bar of a user interface of the first terminal, where the indication icon is used to instruct a user to move to the target position, and the user interface includes the status bar and a user operation area.
Methods and systems for dynamic spectrum arbitrage
Methods, devices, and systems of various embodiments involve dynamic spectrum arbitrage (DSA) to determine, in a first server, an amount of radio frequency (RF) spectrum resources available for delivery of advertisements. A first DSA-advertisement lease proposal may be sent to a telecommunications exchange. The first DSA-advertisement lease proposal indicates the amount of RF spectrum resources available for delivery of the advertisements. A lease confirmation message may be received, including an ad-information unit configured to deliver content of an advertisement within a designated geographic zone. Advertisement-lease parameters may be sent to a second server in the first communication network. The advertisement-lease parameters may include the ad-information unit and identify the designated geographic zone for delivery of the advertisement to user equipment (UE) situated therein. An ad-report message may be received from the second server reporting delivery of the advertisement to UEs within the designated geographic zone.
Joint scheduler for integrated Wi-Fi and LTE-U wireless access point
A wireless access point (AP) configured to operate in accordance with both Wi-Fi and Long-Term Evolution (LTE-U) standards/protocols jointly schedules transmit opportunities for Wi-Fi and LTE-U frames. The AP assigns one of multiple, prioritized, Wi-Fi access categories to each Wi-Fi transmit frame based on a type of data in the transmit frame. The AP also assigns to each LTE-U transmit frame an LTE-U access category prioritized relative to the Wi-Fi access categories. The AP schedules Wi-Fi and LTE-U transmit opportunities for the Wi-Fi transmit frames and the LTE-U transmit frames, respectively, in the shared channel bandwidth based on the prioritized Wi-Fi and LTE-U access categories.
Identity authentication by using human biological characteristic
A human biological characteristic file corresponding to a particular identity is received and used as a base file. A characteristic code to be authenticated is obtained according to a human biological characteristic of a person who requests identity authentication when an identity authentication request corresponding to the particular identity is received. A base characteristic code is collected from a base file. A collecting algorithm applied for collecting the base characteristic code is the same as or matches an algorithm applied for obtaining the characteristic code. The present techniques determine whether the base characteristic code and the characteristic code correspond to a same human biological characteristic. If a result is positive, the identity authentication request is verified. The present techniques implement communication between different terminal devices of different manufacturers and effectively improve user experiences, thereby efficiently and conveniently implementing remote identity authentication.
Multimedia message service method and system
Disclosed is a method of sharing multimedia contents, by a server, including storing the multimedia contents, receiving an establishment request configured to establish one of a plurality of access modes for the multimedia contents from a first terminal, establishing an access mode according to the establishment request for the multimedia contents, receiving an access request for the multimedia contents stored in the server from at least one second terminal, determining whether the at least one second terminal is allowed to access the multimedia message based on the access mode, and transmitting the multimedia contents, wherein the access mode includes at least one of a private mode for access by only the first terminal, a restricted mode for access by the at least one second terminal, and a public mode for access by all terminals.
System and method for controlling mobile services using sensor information
A system includes a database of image data associated with a vehicle; and control logic configured to cause a user device to capture one or more images and compare data associated with the one or more images with the image data to determine if a user is present in a vehicle and disable a text messaging function at least in part responsive to the determination using the image data.
Method for detecting discovery signal in wireless communication system, and device for same
A method for detecting a discovery signal in a wireless communication system and a device for same are disclosed. In particular, the method whereby a terminal receives a discovery signal in a wireless communication system comprises the steps of: receiving discovery quasi co-located (QCL) type configuration information for configuring a discovery QCL type; detecting a synchronization signal and obtaining a first scrambling identity (SCID); and detecting the discovery signal by using the first SCID on the basis of the configured discovery QCL type, wherein a QCL relationship between an antenna port for the discovery signal and an antenna port for the synchronization signal can be established in relation to a large-scale channel property according to the discovery QCL type.
Hybrid liability model
A system and method for setting a billing allocation between a user and a company allowing the costs for personal and work use of a mobile device during a period to be allocated as desired. The system and method further provides for allocation of costs associated with obtaining a new mobile device. The billing allocation model provides maximum flexibility to allow a user to obtain the mobile device desired, while still allowing the user to take advantage of a company's preferred corporate rates and discounts and allowing a company to maintain control of mobile device costs relating to purchase and use of the mobile device.
Management of dynamic events and moving objects
An embodiment of the invention includes a system, method and computer program product for managing dynamic events. The embodiment may include managing, by a first subsystem, an event in a first region of the plurality of geographic regions using a first event agent. The embodiment may include determining whether the event is predicted to spread from the first region to a second region. The embodiment may include generating a first dynamic event agent to monitor the event as a dynamic event based on predicting the event may spread from the first region to the second region. The first dynamic event agent may receive information relating to the dynamic event, update a status of the dynamic event based on the received information, and transmit the received information. The embodiment may include generating, by a second subsystem, a second dynamic event agent for handling the dynamic event in the second region.
Managing emergency communication session termination
Systems, methods, and devices for managing termination of an active communication session in a wireless communication device. A processor of the wireless communication device may receive an instruction to terminate a communication session. The processor may determine whether an emergency communication status of the wireless communication device indicates that the communication session should not be terminated. The processor may block the instruction to terminate the communication session in response to determining that the emergency communication status indicates that the communication session comprises an emergency communication session.
Communication device for improved sharing of content
A communication device (100) comprising a controller (210), a radio frequency interface (230) and a memory (240), wherein the controller is configured to identify at least one receiving communication device (100B, 100C); present content (510); receive one user input (U) indicating a share; and share the content (510) with the at least one receiving communication device (100B, 100C) through the sharing network over the radio frequency interface (230); wherein the communication device (100) is characterized in that the controller (210) is further configured to identify the receiving communication device (100B, 100C) by the controller (210) being configured to detect a presence of the receiving communication device (100B, 100C) being in close proximity and then initiate a connection with the at least one receiving communication device (100B, 100C) and wherein the controller is configured to share content upon initiating the connection thereby establishing a sharing network (400) automatically.
Text message generation for emergency services as a backup to voice communications
A mobile device may detect when a calling party dials an emergency service to request emergency assistance. Following input of the dialed digits, the device may automatically generate a text message in addition to initiating a voice call, both of which may be transmitted over a wireless data network. The wireless network nay correlate the two calls as originating from the same emergency situation and may attempt to deliver the two calls to a Public Services Answering Position (PSAP) at an appropriate emergency center. If the PSAP does not receive a voice call, the PSAP may communicate with the device via test messaging.
Land mobile radio dispatch console
An exemplary land mobile radio dispatch console and method are provided. In one embodiment, the console has the capability to process and handle Requests To Talk (RTT) and emergencies. In another embodiment, the console has the capability to provide a history. In another embodiment, the console provides the capability for operators to configure and save patches of predefined groups for later use. In another embodiment, the console includes a telephone interconnect interface component, and combinations of features mentioned above.
Initiating live presentation content sharing via radio frequency beacons
Systems, methods, and modes are disclosed for live presentation sharing between meeting presenter's and meeting attendees' portable electronic devices during a meeting, and more specifically for viewing presentation content on a portable electronic device displayed on a meeting room display during a meeting. The system comprises a presentation gateway configured for receiving and transmitting presentation content to a meeting room display during a meeting. The system further comprises a portable electronic device that pairs with the presentation gateway. The presentation content is displayed on the portable electronic device substantially in synch with the presentation content displayed on a meeting room display by repeatedly capturing a new image from the presentation content, comparing each new image to a previously saved image to determine whether the new image is substantially identical to the previously saved image, and saving a new image that is not substantially identical to the previously saved image, wherein the newly saved image is displayed on the display of the portable communication device.
Method for the dynamic adjustment method of operating parameters of a vehicle
A dynamic adjustment method while driving a vehicle of at least one vehicle operating parameter is for a vehicle having an electronic control unit adapted to set the operating parameter, and a communication interface operatively connected to the electronic control unit. An application program is installed on board a portable processing device including a communication interface communicating with the vehicle communication interface. The application program accesses an electronic map of a path and divides the path in sectors. Operating parameter values are stored via the application program, each value being associated to a corresponding sector. While driving, the sector occupied by the vehicle is identified in real time. Values are transmitted sector by sector, from the portable processing device to the electronic control unit so that the electronic control unit sets, sector by sector, the vehicle operating parameter vehicle to the value associated to the occupied sector.
Leveraging location data from mobile devices for user classification
Location data is obtained from signals transmitted by a first plurality of mobile wireless devices in a wireless network, wherein the first plurality of mobile wireless devices are moving within a predefined space, and wherein the location data comprises a plurality of location data time points, each location data time point including a timestamp, a unique mobile wireless device identifier, and location information indicating where in the predefined space an associated mobile wireless device is located. For each mobile wireless device, location data time points are aggregated to generate a set of aggregated location data for each mobile wireless device, and the set of aggregated location data is analyzed to determine characteristics corresponding to time-dependent behavior and location-specific behavior of the corresponding mobile wireless device. A user of each corresponding mobile wireless device is classified into a category of a plurality of categories based on the determined characteristics.
Mobile device network configuration via speed determination
A method includes receiving a beacon signal from a wireless access point at a mobile device. The method also includes determining, based on the beacon signal and a size of a buffer of the mobile device, a speed threshold associated with the wireless access point. The method further includes selectively transmitting data to the wireless access point based at least in part on the speed threshold.
Methods for determining and displaying a local page for a mobile device and systems thereof
A method for outputting local content on a mobile device includes determining a current location of a mobile device and retrieving content via a wireless connection based on the location of the mobile device. In addition, the method includes outputting the retrieved content on the mobile device. In another embodiment, a system includes a processor, a computer usable medium, the computer usable medium having computer usable program code embodied therewith, which when executed by the processor causes the processor to: determine a location of a mobile device, retrieve content via a wireless connection based on the location of the mobile device, and output the retrieved content on the mobile device. Additional systems and methods are provided as well.
System and method for mapping of a signal distribution network
A system for mapping a signal distribution network containing a central communication unit and preferably, a plurality of communication nodes installed at known locations, a method related thereto. The central communication unit and the plurality of communication nodes are capable of requesting and sending mapping information over known frequencies to map signal distribution networks at the known locations.
Method, apparatus, and mobile terminal for collecting location information
A self-reporting mobile device can allow a user to local the mobile device, regardless of whether the mobile device is reachable via a wireless or wired network. During operation, the mobile device can read one or more local data sources to obtain contextual information corresponding to a state of the mobile device. The mobile device can analyze the contextual information based on a condition for capturing location-identifying information for the mobile computing device to determine whether the contextual information satisfies the condition. If so, the mobile device may collect location-identifying information from one or more sensors of the mobile device, and can upload the location-identifying information to a server. Making this location-identifying information available on the server can facilitate a user to locate the mobile computing device.
Customer service document with data storage device
A customer service document with an electrical data storage device is provided to deliver customer service information in a secured manner. The data storage device is attached to the customer service document and configured to contain information to be transferred to a customer's data reading device via short-range communication once the data reading device is authenticated. The transferred information can be used by the data reading device in various applications without identity theft concerns.
Instant activation and provisioning for telecommunication services on a mobile device
Methods and systems for instant activation of virtual PBX services on a mobile device are disclosed. In one aspect, a user request for activating virtual PBX services is received on a mobile device. An available primary identification number for the virtual PBX services is retrieved from a telecommunication service provider (TSP). A user interface is presented on the mobile device including a first interface portion presenting the available primary identification number and a second interface portion configured to receive a user identifier. Upon receiving the user input specifying the user identifier and while the user interface is still presented on the mobile device, a user instruction for activating the virtual PBX services is received. Upon receiving the user instruction, the user identifier is sent to the TSP. Then, a confirmation is received from the TSP.
Mobile terminal and method for controlling thereof
The present invention relates to a mobile terminal and a method of controlling therefor, and more particularly, to a mobile terminal capable of seamlessly performing a same function in a manner of being synchronized with an external device and a method of controlling therefor. A method of controlling the mobile terminal according to one embodiment of the present invention can include the steps of establishing a data path with an external device, receiving application execution information of the external device from the external device, displaying a lock screen corresponding to the application execution information on a touch screen and if the lock screen is cancelled corresponding to a first application among the application execution information, executing the first application.
System and method for enhancing virtual audio height perception
An audio processing system for enhancing a user's virtual audio height perception, comprising: a rebalancing module for receiving audio signals from a source, the audio signals including a low layer signal representing sounds for transmission directly towards a user, and a height signal representing sounds for transmission towards the user by reflecting off a predetermined location above the user; the rebalancing module for comparing the height signal and the lower layer signal, and adjusting an amplitude of the height signal based on said comparison; the low layer signal being transmitted to one or more speakers of a first speaker arrangement for transmitting sound represented by the lower layer signal directly towards the user; and the adjusted height signal being transmitted to one or more speakers of a second speaker arrangement for transmitting sound represented by the height signal towards the user by reflecting off the predetermined location above the user.
Audio system phase equalization
A method is provided for optimizing acoustic localization at one or more listening positions in a listening environment such as, but not limited to, a vehicle passenger compartment. The method includes generating a sound field with a group of loudspeakers assigned to at least one of the listening positions, the group of loudspeakers including first and second loudspeakers, where each loudspeaker is connected to a respective audio channel; calculating filter coefficients for a phase equalization filter; configuring a phase response for the phase equalization filter such that binaural phase difference (Δφmn) at the at least one of the listening positions or a mean binaural phase difference (mΔφmn) averaged over the listening positions is reduced in a predefined frequency range; and filtering the audio channel connected to the second loudspeaker with the phase equalization filter.
Method and apparatus for processing audio content
A method and apparatus for processing audio content is described. The method and apparatus include receiving (510) audio content, the audio content including an input audio signal, a first reference audio signal, and a second reference audio signal, determining (550) a processing function for the input audio signal, the processing function determined based on a cost function between the input audio signal, the first reference audio signal and a second reference audio signal, and processing (560) the input audio signal using the determined processing function in order to produce an output audio signal.
Method using a loudspeaker comprising a module for generating a value representative of the internal operation of the loudspeaker
The invention relates to a method implementing at least one loudspeaker comprising at least one module suitable for generating a value representative of an internal operation of the loudspeaker, and a memory unit for storing an alarm criterion relative to the generated value, and control software for controlling the loudspeaker. The method further comprising the steps of the module produces a value representative of the internal operation of the loudspeaker, the loudspeaker compares the generated value and the alarm criterion, and the loudspeaker emits a sound or visual signal if the result of the comparison indicates that the generated value fulfills the alarm criterion.
Tinnitus rehabilitation device and method
A tinnitus method and device for providing relief to a person suffering from the disturbing effects of tinnitus is described. The method can be implemented entirely in software to spectrally modify an audio signal in accordance with a predetermined masking algorithm which modifies the intensity of the audio signal at selected frequencies. A predetermined masking algorithm is described which provides intermittent masking of the tinnitus wherein, at a comfortable listening level, during peaks of the audio signal the tinnitus is completely obscured, whereas during troughs the perception of the tinnitus occasionally emerges. In practice it has been found that such intermittent masking provides an immediate sense of relief, control and relaxation for the person, while enabling sufficient perception of the tinnitus for habituation and long term treatment to occur. Advantageously the predetermined masking algorithm is specifically tailored to the audiometric configuration of the person. For example, the masking algorithm may be partly tailored to the hearing loss characteristic of the person. A tinnitus rehabilitation device used in conjunction with a personal sound reproducing system is also described.
Method and apparatus for localization of streaming sources in hearing assistance system
A hearing assistance system streams audio signals from one or more streaming sources to a hearing aid set and enhances the audio signals such that the output sounds transmitted to the hearing aid wearer include a spatialization effect allowing for localization of each of the one more streaming sources. The system determines the position of the hearing aid set relative to each streaming source in real time and introduces the spatialization effect for that streaming source dynamically based on the determined position, such that the hearing aid wearer can experience a natural feeing of the acoustic environment.
Method and system for testing a mould shape quality of a user-customized ear mould
The present disclosure concerns a method for determining a mold shape quality (Q) of an ear mold (2) customized to an ear canal (31) of a user by means of a mold testing system (100). The mold testing system (100) comprises an acoustic generator (3) and a microphone (4) arranged in a test housing (1) with an open end (1c) that is connectable to an inner passage (2c) of the custom ear mold (2). The method comprises inserting the ear mold (2) into the ear canal (31); connecting the test housing (1) to the ear mold (2); generating an acoustic signal (Sg) into the ear canal (31) via the inner passage (2c); measuring the acoustic signal (Sr) from the ear canal (31); comparing the measured signal (Sm) with a reference signal (Se); and providing a feedback signal (Sf) based on the said comparison. The feedback signal (Sf) is a measure for the mold shape quality (Q) of the custom ear mold (2).
The disclosure generally relates to acoustic transducers with stationary and moving coils, and methods for operating the acoustic transducers. Time varying signals are applied to the moving and stationary coils to control the movement of a diaphragm, which produces sound. The time varying signals are derived from a composite signal that is provided, via a pair of conductors, to the acoustic transducer. The time varying signals are derived based on various filter methods.
Audio driver and power supply unit architecture
This disclosure relates to speakers and more specifically to an array speaker for distributing music uniformly across a room. A number of audio drivers can be radially distributed within a speaker housing so that an output of the drivers is distributed evenly throughout the room. In some embodiments, the exit geometry of the audio drivers can be configured to bounce off a surface supporting the array speaker to improve the distribution of music throughout the room. The array speaker can include a number of vibration isolation elements distributed within a housing of the array speaker. The vibration isolation elements can be configured reduce the strength of forces generated by a subwoofer of the array speaker.
Sound production device for vehicle
A sound production device for a vehicle includes: a speaker that causes a diaphragm to vibrate thereby producing sound; and a housing receiving the speaker and having a sound passage through which the sound produced by the speaker passes and a sound emission hole that causes the sound passed through the sound passage to externally emit. Plural resonant chambers having different resonant frequencies are defined in the sound passage, such that the sound passage has a labyrinth structure that is able to prevent a foreign substance form entering the diaphragm from the sound emission hole.
An earphone device includes a housing having a driver unit, and a sound guide tube mounted on a front surface of the housing to protrude from the front surface, in which the sound guide tube is disposed at a position deviated from a center position of the housing.
Internal vent structure for waterproof microphone acoustic cavity
A method and apparatus are described for providing an acoustically-resistive air-permeable venting structure within a sealed microphone acoustic cavity. A microphone is mounted on a printed circuit board and positioned within a housing. A water-resistant membrane seals the microphone from an exterior of the housing, and a active acoustic cavity establishes an acoustical connection between the water-resistant membrane and the microphone. An acoustically-resistive air-permeable venting structure is formed in the body of the printed circuit board and connects to the active acoustic cavity either directly or via a separate vent path. The venting structure provides a viscous dampening effect by venting an active acoustic cavity of the electronic device to the rest of the enclosure sealed by the water-resistant membrane.
System for signal management
A method for managing the connectivity between two or more communication equipments comprises: 1) Creating a signal path. The signal path is a collection of geospatial features designed to carry a signal between a source and an end; 2) Entering the geospatial features in a record that can be edited and managed to represent the complete signal path; and 3) Referencing the signal to each geospatial feature and record on the signal path of the signal.
Seismic data relay with simultaneous transmit and receive using beamforming radio
Apparatuses, systems, and methods for use of directionalized antennas at a seismic module in a seismic survey array to allow for simultaneous transmission and reception of data in a serial data transfer line. The directionalized antenna may be selectively controlled such that the control of the transmission functionality and reception functionality are independently controlled to transmit data in and receive data from different directions. In turn, bandwidth utilization may be improved in the survey.
Providing advanced playback and control functionality to video client
Systems and methods for providing playback features to a device are disclosed. In an aspect, one method can comprise transmitting a manifest and a state file to a recipient device, wherein processing of the manifest facilitates access to content and wherein processing of the state file facilitates one or more playback features associated with the content.
System and method for providing location-dependent emergency alert services
Aspects of the subject disclosure may include, for example, a device that performs operations including receiving user input associated with a group of emergency alert service messages, assigning a plurality of severity codes to the group of emergency alert service messages according to the user input, each of the plurality of severity codes indicating a presentation format, determining a first location of a mobile communication device, determining a second location of a premises of a user of the mobile communication device. The operations can also include, responsive to detecting a first emergency alert service message associated with the first location, determining a first severity code of the plurality of severity codes assigned to the first emergency alert service message and providing the first emergency alert service message to the mobile communication device for presentation in a first format according to the first severity code. Other embodiments are disclosed.
Iconized video advertisement wall
Methods and systems are provided that can include iconization and later play of video content items, such as advertisements. During presentation of an online video, video advertisements may be presented. Upon user selection, during or after presentation of a particular video advertisement, the advertisement may cease to be presented, but an icon may be displayed that represents the video advertisement. The icon may be displayed in an area adjacent to the online video display area, which area may include multiple icons. Later, upon user selection of the icon, the video advertisement may be played, or may continue playing, utilizing local storage of the video advertisement. This, in turn, may provide, for example, efficient, convenient user access to the video advertisement, leading to enhanced advertisement performance with minimal intrusive impact on the user experience as a whole.
Dynamic transmission time interval bundling for multicast video
Video is multicast to a group of wireless devices as a series of video segment files containing the video frame data for a period of the video stream. After receiving a video segment file, the wireless devices report about the quality of their reception of the video segment. If a threshold percentage (or number) of wireless devices report they experienced poor reception of a video segment, the number of subframes (i.e., transmission time intervals) used in a frame to multicast the video is increased. In other words, if the number of wireless devices that report they experienced poor reception of a video segment is higher than some threshold, the number of subframes allocated to redundantly transmit the streaming video data is increased.
File recommendation method and device
A file recommendation method includes creating a two-dimensional matrix according to user identifications and file identifications included in a history playing record, wherein the user identifications are a first dimension of the two-dimensional matrix and the file identifications are a second dimension of the two-dimensional matrix. The method includes filling an element location corresponding to a relationship between the user identifications and the file identifications in the two-dimensional matrix with an element. The method includes decomposing the two-dimensional matrix to obtain a designated matrix, and dividing the designated matrix according to the first dimension to obtain a feature vector corresponding to each user identification. The method includes performing group division processing for each user identification according to the feature vector corresponding to the user identification to obtain at least one user group. The method includes recommending a file according to the at least one user group.
Technique for delivering network personal video recorder service and broadcast programming service over a communications network
A resident application and a second application are provided in a set-top terminal to receive a TV broadcast service and network personal video recorder (NPVR) service, respectively. The resident application is suspended in favor of the second application when a user changes from a broadcast channel to an NPVR enabled channel, and vice versa. In an embodiment where a digital video recorder (DVR) set-top terminal is used, a DVR server therein provides trick mode functions (pause, rewind and fast-forward) before an NPVR session, e.g., a Look Back session, is established. In another embodiment, during an NPVR session the DVR server plays back recorded programming content downloaded from a communications network, and provides trick mode functions as well.
In an embodiment, a computing device may display a video browser screen on an output device. The video browser screen may include a list of video programs arranged as a carousel. The carousel may have a plurality of entries, where an entry may represent a video program that may be provided by a service provider. A video program represented by an entry may be, for example, a live video program, a video program available on demand, or a video program that may have been recorded by a device that may be provided by the service provider. The computing device may acquire an indication to navigate to an entry in the carousel. The computing device may navigate to the entry and acquire an indication to select the entry. The computing device may select the entry and display the video program associated with the selected entry on the output device.
Synchronizing video content with extrinsic data
Disclosed are various embodiments for associating and synchronizing extrinsic data with video content at particular points of time in the video content. In one embodiment, a user interface is rendered that facilitates an entry of a corresponding score for at least one of a plurality of extrinsic data items that are associated with a video content feature that is currently being presented to a first user. The corresponding score of a particular extrinsic data item of the plurality of extrinsic data items is received through the user interface. A time in the video content feature that is currently being presented to the first user is determined. The particular extrinsic data item is rendered on an electronic display at the time during another presentation of the video content feature to a second user based at least in part on the corresponding score.
Virtual high definition video player
A video service is provided by one or more servers which communicate directly with one more clients over a network. The service may provide digital optical disc data storage formatted video, such as for example a Blu-ray format video, and allows Blu-ray video to be streamed to a client device over the network. The system may utilize direct and fast content delivery of content typically found on a high definition digital optical disc. The content may include a movie as well as featurettes and other content. The video service may also include augmented content and may provide overlay content. In addition to these features, the video streaming service may also provide community content as an overlay to improve a user's viewing experience.
Network set-top box and its operating method
The present disclosure relates to the field of communication technology, and provides a network set-top box and its operating method. The operating method includes steps of selecting N types of television programs to be recommended to a user in accordance with a viewing record of the user; and after the set-top box is enabled by the user, determining from the N types of television programs M television programs not be played currently, and prompting the user for information about the M television programs. M and N are each an integer not less than 0.
Networking method and networking device
Provided are a networking method and a networking device. The method is applied to the networking device, and the networking device is connected with at least one service switch and at least one streaming media server respectively. The method includes that a configuration module in the networking device configures networking configuration information of the at least one streaming media server, a control module in the networking device acquires the networking configuration information, and the control module sets a switching module through a setting interface of the switching module on the basis of the networking configuration information. According to the disclosure, the technical problem of complexity in a networking mode in the existing technology can be solved, and unified network management and configuration can be realized.
Video receiving apparatus for processing a video content receivable from a plurality of distribution platforms, and method thereof
A video content receiving apparatus (103a; 103b) includes an interface (209, 301) for interfacing to at least one associable video reproducing apparatus (102), and including: a receiver for receiving video contents from at least one source of contents (104) through a connection (201a, 203a; 201b, 203b) connected to a plurality of distribution platforms (105, 106), wherein a first connection (203a; 203b) to a first distribution platform (105) is of the broadband type, and wherein a second connection (201a; 201b) to a second distribution platform (106) is of the broadcast type; a first identifier for identifying a video content to be reproduced; a second identifier for identifying at least one active distribution platform on which said video content to be reproduced is currently being transmitted by the source of contents (104); a selector for selecting the reception of the video content through the active distribution platform; a switch for switching between the first connection (203a; 203b) and the second connection (201a; 201b), or vice versa, on the basis of a command signal received by the receiving apparatus (103a; 130b); and a video processor for generating a video signal (220; 310) that includes the video content in a form that is reproducible by a reproducing apparatus (102) associable with the receiving apparatus (103; 103a; 103b) through the interfacer.
Media channel identification with video multi-match detection and disambiguation based on audio fingerprint
Disclosed are methods and systems to help disambiguate channel identification in a scenario where a video fingerprint of media content matches multiple reference video fingerprints corresponding respectively with multiple different channels. Given such a multi-match situation, an entity could disambiguate based on an audio component of the media content, such as by further determining that an audio fingerprint of the media content at issue matches an audio fingerprint of just one of the multiple channels, thereby establishing that that is the channel on which the media content being rendered by the media presentation device is arriving.
Systems and methods for presenting user selected scenes
Systems and methods are described herein for presenting user selected scenes. A media guidance application may generate for display a listing for a media asset, wherein a play length of the media asset includes a non-selectable play length portion and a selectable play length portion. The media guidance application may generate for display a first scene option corresponding to a first scene and a second scene option corresponding to a second scene. The media guidance application may receive a user selection of the first or second scene option and incorporate the selected scene into the selectable play length portion of the media asset. The media guidance application may generate for display the media asset with the selected scene incorporated into the selectable play length portion.
Broadcast receiving device
A broadcast receiving device is provided with: a broadcast receiving unit which receives a digital broadcast signal including broadcast program video and application-related information; a storage unit which stores the received broadcast program video and application-related information; a video decoding unit which decodes the video; an application acquisition unit which acquires an application on the basis of location information included in the application-related information; an application execution unit which executes the acquired application; an output unit which is able to output the video; and a control unit for reproducing and decoding the broadcast program video from the storage unit, reproducing the application-related information from the storage unit, acquiring the application on the basis of the location information included in the reproduced application-related information, and executing the acquired application.
Receiving audio/video content
An audio/video content receiver decoding audio/video signals modulated onto transmission channels as transport streams, at least one transmission channel carrying non-viewing information. The content receiver includes a tuner arrangement for concurrently tuning to two or more transmission channels and a multiplexer configured to generate a composite signal from received audio/video signals of required programs for decoding. The content receiver further includes a content decoder for concurrently decoding two or more audio/video programs from the composite signal and a detector configured to detect whether one or more of the transmission channels tuned by the tuner arrangement are not currently in use for providing a program for decoding. Finally, the content receiver includes a controller that, responsive to detection that a transmission channel is not currently in use, controls the tuner to tune that channel to a transmission channel carrying a transport stream including non-viewing information.
Apparatus for displaying an image and method of operating the same
An apparatus for displaying an image includes a non-volatile memory device configured to store a first program and a second program; and a processor configured to load the first program onto a first area of a volatile memory device to execute the first program in a power-on state of the apparatus, wherein the processor includes a plurality of cores, and in a power-off state of the apparatus, the processor is configured to deactivate at least one of the plurality of cores, deactivate the first program loaded onto the first area, and load the second program onto a second area of the volatile memory device to execute the second program, wherein the first program and the second program, when executed, are configured to cause the processor to receive state information of an external device.
Network personal video recorder utilizing personal digital storage
Approaches for operating a network personal video recorder operated by a content provider. The network personal video recorder may be located at a head-end of a digital content provider. A network personal video recorder receives, from a user, authentication credentials that provide the network personal video recorder access, via the Internet, to a storage medium belonging to or associated with the user. After the user instructs the network personal video recorder to record a video program, the network personal video recorder stores a copy of the video program on the user's storage medium using the user-provided authentication credentials. Thereafter, when the user wishes to view the video program, the user can instruct the network personal video recorder to read the copy of the video program from the storage medium and play the video program on a device of the user.
Differential and distributive queuing of video frames
Systems and methods to deliver streaming video over a hybrid network are provided herein. The system includes a plurality of queues, each associated with a type of video frames and a classifier to store a packet of a plurality of packets in a respective queue of the plurality of queues based on a field in the packet that indicates the type of video frame in the packet. The system also includes a scheduler configured to selectively transmit or drop the packet based on an available bitrate for transmission and the type of video frame associated with the queue.
Method and apparatus for content distribution multiscreen viewing
A method transmitting a video program having an initial video quality and information related to the video program to multiple devices having an initial information quality is disclosed. The method comprises receiving a request for the video program from one of the first and second devices, both registered in an account; allocating first and second amounts of bandwidth, respectively, to one of the two devices and the other of the two devices according to first available bandwidth; transmitting to the one device the video program having a first quality satisfying the first allocated amount of bandwidth, but not the information related to the video program; transmitting to the other device the information related to the video program having a second quality satisfying the second allocated amount of bandwidth, but not the video program; and responsive to first view change information of a user, adjusting the first and second allocated amounts to maximize quality of content received by the device having a view of the user according to the first view change information.
Variable bit video streams for adaptive streaming
One embodiment of the present invention sets forth a technique for adapting playback bit rate in a content delivery system based on scene complexity of the video content as well as network conditions and other performance factors. A scene complexity map of the video content indicates the complexity levels of different scenes within the video content. Using the scene complexity map, a content player may download scenes of lower scene complexity levels from video streams encoded to lower bit rates to manage the bandwidth consumed to download the video content and allow for the downloading of scenes of higher complexity levels from video streams encoded to higher bit rates.
Device for transmitting broadcast signal, device for receiving broadcast signal, method for transmitting broadcast signal, and method for receiving broadcast signal
The present invention proposes a method for transmitting a broadcast signal. The method for transmitting a broadcast signal according to the present invention proposes a system capable of supporting next-generation broadcast service in an environment supporting a next-generation hybrid broadcast which uses a terrestrial broadcasting network and an internet network. Also, the present invention proposes an efficient signaling method which can encompass both the terrestrial broadcasting network and the internet network in an environment supporting next-generation hybrid broadcast.
Ancillary data video validator and QC system
Network signals in a broadcast network can include ancillary data as well as audio and visual of a media presentation. Typically, the ancillary data is not displayed by the television when outputting the audio and visual data although it may be in some cases. To ensure the network signal is compatible with the components in the broadcast network, the embodiments herein test the network signal use an emulated version of the broadcast network. For example, the content provider can set up a local version of broadcast network using the hardware components of the broadcast network (e.g., a cable head end, network modulators, set top boxes, receivers, etc.). By transmitting the network signal through the emulated broadcast network, the content provider can verify that the ancillary data will be correctly transmitted through the actual broadcast network.
Process and device for the protection and display of video streams
A process distributing video streams to a plurality of addressees, comprising a marking step comprising adding at least one visual element to a video stream, which marking step is applied to an original video stream common to all the addressees and which is personalized for each addressee by addition of a visual element specific to the addressee that allows rapid visual identification of the addressee, wherein the added visual element replaces part of the original video stream that is stored in complementary information on a multimedia server.
System and method for data stream fragmentation
A method of data conditioning is disclosed that in one aspect includes receiving a data stream and encoding into the data stream information representing a boundary of a content fragment, wherein the boundary is independent of a group of pictures structure of the data stream.
Video analysis method and system
The present invention relates to a video analysis method, including: requesting a plurality of chunks from different locations within a video from a server; receiving the plurality of chunks of the video streamed from the server; extracting one or more frames from each chunk; analysing 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, wherein the plurality of chunks received are non-contiguous. A system and software for analysing video also described.
Image decoding method, image coding method, image decoding apparatus, image coding apparatus, and image coding and decoding apparatus
An image decoding method of decoding, on a per-block basis, a coded image included in a bitstream, includes: performing arithmetic decoding on a current block to be decoded; determining whether or not the current block is at the end of a slice; determining, when it is determined that the current block is not at the end of the slice, whether or not the current block is at the end of a sub-stream which is a structural unit of the image that is different from the slice; and performing arithmetic decoding on a sub-last bit and performing arithmetic decoding termination, when it is determined that the current block is at the end of the sub-stream.
Filtering method for performing deblocking filtering on a boundary between an intra pulse code modulation block and a non-intra pulse code modulation block which are adjacent to each other in an image
A filtering method is for performing deblocking filtering on the boundary between an IPCM block and a non-IPCM block adjacent to each other in an image and including: determining a first quantization parameter for the non-IPCM block; determining a second quantization parameter for the IPCM block, using the first quantization parameter; determining a filter strength for the boundary, using the first quantization parameter and the second quantization parameter; and performing the deblocking filtering on the boundary using the determined filter strength.
Method, system and apparatus for intra-refresh in video signal processing
A video codec for encoding a sequence of video frames divides a video frame area into number of row segments. The Video encoder selects a different set of row segments in each video frame in a set of video frames and encodes the selected set of row segments by intra-prediction. As a result, the selected part of the frame is intra-refreshed. The video codec limits the maximum value of the vertical global motion vector GMVy to zero and video codec adjust the number of row segments in the select set of row segments based on the height of the search range configured for the motion estimation. As a result, the video codec may not refer to a un-refreshed portion in the previous frame for encoding an already refreshed area of the current frame.
Optimized image decoding device and method for a predictive encoded BIT stream
An image decoding device and method that set up a first skip mode and second skip mode for each motion prediction and block and its motion vector allocation regions, respectively, allowing for expressing a hierarchy of skip modes when decoding a video signal having a specific format and can be adaptive to the characteristics of a temporal change of each color component signal.
Reducing noise in an intraframe appearance cycle
The present disclosure relates to image processing devices and methods image processing devices and methods that can reduce noise that is recognized in synchronization with an intraframe appearance cycle.At time t0, the respective pixels are copied from the image that is output at the previous time, and only the pixels denoted by Δ among the pixels in a replacement pattern are replaced. At time t1, the respective pixels are copied from the image that is output at the previous time t0, and only the pixels denoted by X among the pixels in the replacement pattern are replaced. At this point, all the pixels in the image have been replaced with a decoded image. That is, by time t1, which is one time before the time when the decoded image is an intraframe, all the pixels in the image are replaced with the decoded image. The present disclosure can be applied to image processing devices, for example.
Method and arrangement for transcoding a video bitstream
The present invention relates to a method and a transcoder arrangement of transcoding a bitstream representing an original video source from an input format to an output format. The method comprises the steps of receiving (S10) the bitstream with the input video format, wherein the input video format is a high fidelity format; and receiving (S20) side information related to said video bitstream. Said side information comprising at least: a video bitstream representing the original video source with a low fidelity input video format, coding parameters optimized based on knowledge of the original video source; transform coefficients, indicative of a residual between the original video source and a decoded version of the high fidelity format. The method further comprises decoding (S40) said received side information to generate transcoding guiding information, estimating (S50) a representation of said bitstream with a low fidelity output format based on the received bit stream and the generated transcoding guiding information, adding (S60) the transform coefficients of the side information to transform coefficients generated from the estimated representation of said bitstream with the low fidelity output format to improve the estimated representation of said bitstream with the low fidelity output format and encoding (S50) the improved estimated representation of said bitstream with the low fidelity output format.
Coefficient level coding in a video coding process
A device for coding video data includes a memory configured to store video data, and at least one processor configured to: determine a maximum number of bits to be used when coding a syntax element indicating absolute values of transform coefficients of a coding unit of the video data, determine a maximum number of suffix bits to be used when coding a Golomb-Rice/Exponential-Golomb coding suffix codeword of the syntax element, determine a maximum number of prefix bits to be used when coding a unary Golomb-Rice/Exponential-Golomb coding prefix codeword of the syntax element, determine the absolute values of transform coefficients for the coding unit, code a prefix codeword for one of the absolute values, and code a suffix codeword for the one of the absolute values, and code the coding unit based on the prefix codeword and the suffix codeword.
System and method for flatness detection for display stream compression (DSC)
A system and method for flatness detection for display stream compression (DSC) is disclosed. In one aspect, the method includes determining a first complexity value for a previous block of video data, a second complexity value for a current block of the video data, and a third complexity value for a next block of the video data. The method also includes determining whether the current block includes a transition from a complex region to a flat region based at least in part on the first, second, and third complexity values.
Block vector coding for intra block copying
An example method for decoding video data includes receiving syntax elements (SEs) for a component of a block vector that represents a displacement between a current block of video data and a predictor block of video data; decoding the SEs to determine a value of the component by at least: decoding a first SE to determine whether or not an absolute value of the component (AbsValcomp) is greater than zero; where AbsValcomp is greater than zero, decoding a second SE to determine whether AbsValcomp is greater than a threshold based on an order of a set of codes; where AbsValcomp is greater than the threshold, decoding, using the set of codes, a third SE to determine AbsValcomp minus an offset based on the order of the set of codes; and where AbsValcomp is greater than zero, decoding a fourth SE to determine a sign of the value of the component.
Systems and methods for selectively performing a bitstream conformance check
Techniques and systems are provided for encoding video data. For example, a method of encoding video data includes generating an encoded video bitstream including multiple layers. The encoded video bitstream includes a parameter set defining parameters of the encoded video bitstream. The method further includes determining one or more parameters of the parameter set that include information describing a first sub-bitstream of the encoded video bitstream that includes one or more layers with video data and information describing a second sub-bitstream of the encoded video bitstream that includes one or more layers with no video data. The method further includes performing a bitstream conformance check on the first sub-bitstream or the second sub-bitstream based on whether at least one layer of the first sub-bitstream or the second sub-bitstream includes video data.
Nested entropy encoding
Methods and systems for improving coding decoding efficiency of video by providing a syntax modeler, a buffer, and a decoder. The syntax modeler may associate a first sequence of symbols with syntax elements. The buffer may store tables, each represented by a symbol in the first sequence, and each used to associate a respective symbol in a second sequence of symbols with encoded data. The decoder decodes the data into a bitstream using the second sequence retrieved from a table.
Adaptive weighting of reference pictures in video encoding
A video decoder, encoder, and corresponding methods for processing video data for an image block and a particular reference picture index to predict the image block are disclosed that utilize adaptive weighting of reference pictures to enhance video compression, where a decoder includes a reference picture weighting factor unit for determining a weighting factor corresponding to the particular reference picture index; an encoder includes a reference picture weighting factor assignor for assigning a weighting factor corresponding to the particular reference picture index; and a method for decoding includes receiving a reference picture index with the data that corresponds to the image block, determining a weighting factor for each received reference picture index, retrieving a reference picture for each index, motion compensating the retrieved reference picture, and multiplying the motion compensated reference picture by the corresponding weighting factor to form a weighted motion compensated reference picture.
Method and apparatus for encoding/decoding image using transform skip flag
Provided is a method for decoding an image. The method includes: deciding a prediction mode that corresponds to a chroma component block; deciding a transform skip mode of the chroma component block from a plurality of transform skip mode candidates, according to the prediction mode that corresponds to the chroma component block; and reverse-transforming the chroma component block on the basis of the transform skip mode that is decided.
Decoding and encoding devices using intra-frame prediction based on prediction modes of neighbor regions
A moving image decoder (1) includes an intermediate estimated prediction mode deriving section (124) for transforming a prediction mode of each neighbor partition into an intermediate prediction mode included in an intermediate prediction set which is a sum of prediction sets (PS); and an estimated prediction mode deriving section (125) for deriving an estimated prediction mode by estimating a prediction mode of a target partition based on the intermediate prediction mode of each neighbor partition which is obtained by the transform.
Minimum-spacing circuit design and layout for PICA
Methods for testing the resolution of an imaging device include forming a plurality of semiconductor devices having proximal light emitting regions, such that the light emitting regions are grouped into distinct shapes separated by a distance governed by a target resolution size. The semiconductor devices are activated by providing an input signal. Light emissions from one or more of the activated semiconductor devices are suppressed by providing one or more select signals.
Method of misalignment correction and diagnostic function for lane sensing sensor
A method of diagnosing a state of health of a vision-based lane sensing system. A first misalignment factor is calculated as a function of a vehicle lateral offset and a vehicle heading. A second misalignment factor is calculated as a function of a vehicle speed, an estimated curvature of an expected path of travel, a lane curvature, and the vehicle heading. Histograms are generated for the first and second misalignment factors. A probability of a state of health is determined. A determination is made whether the probability of the state of health is within a predetermined threshold. An angle misalignment of the vision system is estimated. The angle misalignment of the vision system is corrected in response to the determination that the probability of the state of health is within the predetermined threshold; otherwise a warning of a faulty lane sensing system is actuated.
Three-dimensional image display device
A stereoscopic image display device includes a viewpoint division unit that divides an image displayed in a plurality of pixels into images that correspond to k viewpoints, wherein the viewpoint division unit comprises a plurality of viewpoint division units inclined with an inclination angle that satisfies V A = tan - 1 b × Hp m × Vp , where Hp denotes a pitch of a row direction of the pixels, Vp denotes a pitch of a column direction of the pixels, and m and b are natural numbers, and a number of first pixels arranged in an area defined by a unit of m×b among a plurality of first pixels emitting light transmitting the same viewpoint division unit among the plurality of viewpoint division units is n=b+m−1.
Stereoscopic image display device
A stereoscopic image display device for displaying a 3D stereoscopic image includes a substrate having an array of pixels thereon; and a lenticular film on the substrate, wherein alternating rows of pixels are shifted so that open areas of pixels in adjacent rows are not overlapped with respect to the vertical direction.
Resolving three dimensional spatial information using time-shared structured lighting that embeds digital communication
Systems, methods, and computer readable media to resolve three dimensional spatial information of cameras used to construct 3D images. Various embodiments perform communication synchronization between a first image capture system and one or more other image capture systems and generate a first flash pulse that projects a light pattern into an environment. An image is captured that includes the light pattern and a modulated optical signal encoded with an identifier of one of the first image capture system and related-camera information. A second flash from another image capture systems may flash at a second time based on the communication synchronization. During the second flash, the first image capture system captures a second image of the environment. Based on the first and second images, the first image capture system determines the orientation of the second image capture system relative to the first image capture system.
Image processing apparatus, image capturing apparatus, control method, and recording medium
An image processing apparatus obtains a plurality of images obtained by shooting the same subject at different positions, at each of a plurality of timings. Then, a first phase difference between images obtained at the same time, and a second phase difference between images obtained by shooting at the same position but at different timings, are detected. The image processing apparatus then selects at least some of the obtained images as images to be used in synthesis in accordance with a set generation condition, synthesizes the images so as to eliminate at least one of the first and second phase differences, and outputs the resulting image.
Stereoscopic image processing methods and apparatus
Stereoscopic image processing methods and apparatus are described. Left and right eye images of a stereoscopic frame are examined to determine if one or more difference reduction operations designed to reduce the luminance and/or chrominance differences between the left and right frames is within a range used to trigger a difference reduction operation. A difference reduction operation may involve assigning portions of the left and right frames to different depth regions and/or other region categories. A decision on whether or not to perform a difference reduction operation is then performed on a per regions basis with at the difference between the left and right eye portions of at least one region being reduced when a difference reduction operation is to be performed. The difference reduction process may, and in some embodiments is, performed in a precoder which processes left and right eye images of stereoscopic frames prior to stereoscopic encoding.
Image display device for providing function of changing screen display direction and method thereof
There are provided an image display device providing a function of changing a screen display direction and an image display method. The image display for providing a 3D image according to a glass-free scheme on the basis of binocular disparity includes: a display unit configured to display a 3D image on a screen; a sensing unit configured to sense whether an event in relation to a change in a disposition direction of a layer generating binocular disparity corresponding to the 3D image and a change in a rendering scheme corresponding to the 3D image; and a control unit configured to change the disposition direction of the layer and the rendering scheme corresponding to the 3D image on the basis of the event.
Platform-agnostic video player for mobile computing devices and desktop computers
A platform-agnostic video player for mobile computing devices and desktop computers for playback of video and audio files on arbitrary computing devices, including mobile devices, laptop and desktop computers. The platform-agnostic video player for mobile computing devices and desktop computers generally includes a file retrieval component suitable for receiving a video or audio file; a video and audio decoding software component capable of decoding encoded video or audio data into a format suitable for display or playback; a video display and audio playback component; and a user interaction component.
Display systems and methods employing time multiplexing of projection screens and projectors
An immersive display system is disclosed that includes screens configured to mitigate reduction in contrast ratio due at least in part to peripheral light incident on the screens. The immersive display system includes at least two screens and at least two projector systems. The screens have a multi-layered structure configured to selectively reflect light for controlled periods of time. Adjacent screens can be configured to selectively reflect light during different periods of time. The projector systems can be configured to project video onto their respective screens while the associated screen is configured to selectively reflect light rather than absorb light.
RFID tag reader station with image capabilities
A system and method is provided for image surveillance of areas of interest for items having radio frequency identification (RFID) tags. These areas of interest are often times unmonitored due to privacy concerns. The present invention discloses an image surveillance system and method, that upon indication of an RFID tag coming within proximity of a portal system having an RFID reader, records one or more images of the area of interest, so as to capture a subject associated with the RFID tagged item moving into or through the area of interest. Such applications for embodiments of the present invention are directed to monitor items of interest in retail stores, restaurants, shipping and receiving locations, and other public areas.
Tracking of dynamic object of interest and active stabilization of an autonomous airborne platform mounted camera
A system for tracking and video surveillance using an aerial videographic platform. The system may be adapted to follow a user possessing a GPS device with a transmitter, such as an advanced cellular telephone. The aerial platform may be commanded by the user to follow the user during a course of time, such as during the completion of an outdoor activity. The aerial platform may use a video camera to record the user while the user is engaged in the activity.
Handpiece with built-in camera and dental treatment method using handpiece
A handpiece with a built-camera includes a micromotor-driven handpiece body which includes a cutting tool attached to a head portion thereof, a light receiving port at a position near the cutting tool, a grip portion detachably connected to the handpiece body and a color camera module which is stored inside the handpiece body. The handpiece with the built-in camera further includes an objective lens which faces the light receiving port and a rod fiber which is attached to an inner wall portion of the handpiece body with an incidence end of the rod fiber facing the objective lens and an exit end of the rod fiber facing a condensing lens unit.
Presentation systems and related methods
A videoconferencing system includes a codec configured to generate one or more acknowledgement signals, a remote control for controlling the codec, a system controller in communication with the codec, and at least one other videoconferencing component. The system controller is configured to send one or more commands to the other videoconferencing component in response to the one or more acknowledgement signals generated by the codec. Other videoconferencing systems and presentation systems and related methods are also disclosed.
Virtual noticeboard user interaction
In some embodiments, a device captures video data of a person in front of a display while a user interface that is associated with a noticeboard is displayed on the display, after capturing the video data, in accordance with a determination that one or more object-identification criteria are met, identifies an object in the video data that is associated with the person in front of the display, in response to identifying the object in the video data, stores an image of the object in the video data, and after storing the image of the object, in accordance with a determination that object addition criteria have been met, adds the image of the object to the noticeboard. In some embodiments, the object-identification criteria include a criterion that is met when, in the video data, a predefined spatial relationship exists between the object and the person.
Analog readout preprocessing circuit for CMOS image sensor and control method thereof
The present disclosure provides an analog readout preprocessing circuit for a CMOS image sensor and a control method thereof. The analog readout preprocessing circuit comprises an extended count-type integration cycle-successive approximation hybrid analog-to-digital conversion capacitor network 1 configured to achieve readout and analog-to-digital conversion of signals output from the CMOS image sensor; an operational amplifier configured to utilize “virtual short” of two input terminals of the operational amplifier and the charge conservation principle, to achieve a function of extended count-type integration cycle-successive approximation hybrid analog-to-digital conversion, where the extended count-type integration can effectively reduce a thermal noise and a flicker noise within the image sensor; a comparator configured to compare voltages at two terminals to achieve a function of quantization of signals; and a control signal generator configured to provide control signals.
Solid state image sensor and electronic apparatus
The present disclosure relates to a solid state image sensor and an electronic apparatus capable of performing a gain transition at high speed. A ramp generation circuit includes sample hold circuits and ramp generation DACs, the number of which depends on kinds of required gains (for example, two kinds, i.e. a low gain and a high gain). Then, the two sample hold circuits can individually hold gain DAC output voltages at the different gains. This enables a switch to the ramp generation DAC holding the required gain voltage by means of a ramp selection signal. The present disclosure can be applied, for example, to a CMOS solid state image sensor that is used for an imaging device.
Image capturing apparatus and control method thereof, and storage medium
An image capturing apparatus includes a plurality of unit pixels that each have a plurality of photoelectric conversion portions, and are arranged in a matrix; a plurality of column output lines arranged for each column of the unit pixels; and a switching unit configured to switch between a first read out mode where signals that have been accumulated in the plurality of photoelectric conversion portions of a unit pixel are read out from respectively different column output lines, and a second read out mode where signals that have been accumulated in the plurality of photoelectric conversion portions of a unit pixel are combined and then read out from a single column output line.
Sample-and-hold circuit with RTS noise reduction by periodic mode switching
A sample-and-hold-circuit includes an amplifier transistor, a resistor connected between a source terminal of the amplifier and a voltage, a first switch connected in parallel with the resistor, and a second switch connected between a gate terminal of the amplifier transistor and the voltage. When the first switch is closed and the second switch is open, the amplifier transistor is in an inversion mode; and when the first switch is open and the second switch is closed, the amplifier transistor is in an accumulation mode.
Image pickup apparatus, image pickup system, and control method for the image pickup apparatus for controlling transfer switches
A photoelectric conversion unit in each of a plurality of pixels starts accumulation of charges at a first time and is controlled to be turned on after the first time and to be thereafter turned off at a second time to transfer the charges to a holding unit. A second transfer switch in at least one of the pixels is controlled to be turned on at a third time and a fourth time after the second time to transfer the charges held in the holding unit to an amplification unit, and a first transfer switch in the at least one of the pixels is maintained to be in an off state during a period from the third time to a fourth time.
Apparatus and method for processing image in device having camera
A method of cropping an image in an apparatus having a camera includes displaying an image, identifying a face area in the image if a crop mode is selected, setting and displaying a crop mark including the identified face area, and displaying a crop image by cropping an image in the crop mark if a crop execution is requested.
Methods for generating HDR (high dynamic range) images and apparatuses using the same
A method for generating HDR (High Dynamic Range) images, performed by a processing unit, is introduced to at least contain: acquiring a frame 0 and a frame 1; calculating a first MV (Motion Vector) between the frame 0 and the frame 1; acquiring a frame 2; predicting a second MV between the frame 0 and the frame 2 according to the first MV, a time interval between shooting moments for the frames 0 and 1 and a time interval between shooting moments for the frames 0 and 2; generating a first MD (Motion Detection) matrix comprising a plurality of first MD flags according to the second MV; and fusing the frame 0 with the frame 2 according to the first MD flags.
Imaging apparatus, for determining a transmittance of light for a second image based on an analysis of a first image
[Object] To provide a technology of an imaging apparatus capable of outputting image data, which is output from an imaging device, as image data of an appropriate exposure amount, and the like.[Solving Means] An imaging apparatus according to the present technology includes a transmittance adjustment unit, an imaging device, and a control unit. The transmittance adjustment unit is capable of adjusting a transmittance of light in accordance with an applied voltage. The imaging device performs imaging by exposure of light passing through the transmittance adjustment unit. The control unit acquires first image data by setting a transmittance of the transmittance adjustment unit to a first transmittance and causing the imaging device to perform imaging, calculates a second transmittance on the basis of the first image data to cause the imaging device to perform imaging in an appropriate exposure amount, acquires second image data by setting the transmittance of the transmittance adjustment unit to the second transmittance and causing the imaging device to perform imaging, and outputs the acquired second image data.
Display control device and display control method
An information processing system that acquires a first captured image; acquires a plurality of second images; and generates display data including the first captured image and at least a subset of the plurality of second images based on an evaluation parameter corresponding to each of the plurality of second images.
Camera system with image blur correction, blur correction method therefor, and camera body with image blur correction
A camera system including an interchangeable lens and a camera body, in which the camera body includes: a Roll blur correction range setting unit that sets a blur correction range in Roll directions of the camera body to be θ1 when the interchangeable lens mounted on the camera body cannot perform blur correction (in the Pitch directions and the Yaw directions) or that sets the range to be θ2 (≥θ1) when the interchangeable lens can perform blur correction; a Pitch-Yaw blur correction range setting unit that sets blur correction ranges in the Pitch and Yaw directions of the camera on the basis of the set blur correction range in the Roll direction; and a blur correction ratio calculation unit that calculates a blur correction ratio of each of the interchangeable lens and the camera body when both of them perform blur correction.
Control device, control method, and recording medium
There is provided a control device including a display control unit configured to cause display of a display unit to shift between a first display mode in which a first kind of image having a predetermined relation with an electric-to-electric (EE) image acquired by an imaging unit and a second kind of image different from the first kind of image are displayed and a second display mode in which the first kind of image is not displayed and the second kind of image is displayed, and a power control unit configured to control power supply to the imaging unit in the shift between the first and second display modes.
Method and apparatus for performing image processing operation based on frame/algorithm selection
One image processing method has at least the following steps: receiving an image input in a device, wherein the image input is composed of at least one source image; receiving image selection information; regarding a source image included in the image input, checking the image selection information to determine whether the source image is selected or skipped; and performing an object oriented image processing operation upon each selected source image. Another image processing method has at least the following steps: receiving an image input in a device, wherein the image input is composed of at least one source image; receiving algorithm selection information; and regarding a source image included in the image input, checking the algorithm selection information to determine a selected image processing algorithm from a plurality of different image processing algorithms, and performing an image processing operation upon the source image based on the selected image processing algorithm.
A camera apparatus includes a pan tilt drive device; a pan controller that performs rotation angle control on a pan motor which is provided in the pan tilt drive device; a tilt controller that performs rotation angle control on a tilt motor which is provided in the pan tilt drive device; a mechanical endpoint detection sensor that outputs a mechanical endpoint of a physical rotation direction of the pan tilt drive device; a storage that stores a turning range for each installation posture as a turning range angle from the mechanical endpoint; and a CPU that sends out a start endpoint angle and a terminal endpoint angle of the turning range angle which is read from the storage according to the installation posture to the pan controller and the tilt controller.
Mobile terminal and method of controlling the same
A mobile terminal including a camera configured to obtain an image; a display configured to display the obtained image; and a controller configured to receive a zoom input for zooming in on the displayed image, display a zoomed image on a portion of the displayed image in response to the zoom input, and capture at least one of the displayed image and the zoomed image in response to a predetermined input.
Focus control apparatus and control method for the same
In an focus control apparatus, a focus detection unit detects a defocus value, a control unit controls focus position adjustment, a first acquisition unit acquires reliability of the defocus value, a storage unit stores images captured by an image sensor at an in-focus position based on the defocus value and other focus positions and the defocus value detected for each image, in association with each image, and a second acquisition unit acquires a first correction value to be used for correcting the focus position adjustment based on the defocus values of unselected images in a case where the reliability of the defocus value corresponding to a selected image is lower than a first threshold, wherein The control unit adjusts the focus position using the first correction value.
Image processing apparatus, image processing program, and image processing method
[Object] To provide an image processing apparatus, an image processing program, and an image processing method capable of obtaining three-dimensional information of an observation target object.[Solving Means] An image processing apparatus includes a difference calculation unit and a difference distribution generation unit. The difference calculation unit calculates, for each of pixels that constitute a pickup image in each of a plurality of pickup images taken at different focal depths, a difference of a luminance value from an adjacent pixel. A difference image generation unit generates, on the basis of the difference and the focal depth at which the pickup image including the pixel whose difference is calculated is taken, a distribution of the difference with respect to the focal depth.
Multichannel optics image capturing apparatus
The invent on relates to a multichannel optics image capturing apparatus wherein at least a first channel includes anamorphic mapping optics and the first channel has an at least partial field of view overlap with a second channel. Additionally, the invention relates to a multichannel optics image capturing apparatus including at least a first channel and a second channel, wherein the first channel has an at least partial field of view overlap with the second channel, and the second channel includes a first two-dimensional arrangement of detector pixels and the second channel includes a second two-dimensional arrangement of detector pixels, and the first two-dimensional arrangement is incongruent with respect to the second two-dimensional arrangement. The suggested solution achieves that the resolution of an overall image composed of individual images of the channels is essentially distance-independent with respect to an object to be captured.
Camera flash light direction management
Systems and method for controlling camera flash direction are provided. A system includes: a computing device including a processor; an image sensor operatively connected to the processor; a flash lighting system including at least one light emitting element; and a flash direction system including a fluidics system that is controllable to selectively adjust a position of the at least one light emitting element.
Lighting and power devices and modules
Electronic device cases and lighting and power devices and modules are described. A case for a portable electronic device may include a rim portion defining an opening for a display of the portable electronic device and one or more light sources adjacent to the rim portion. A lighting device may include one or more light sources for illuminating a user's face during use of a camera of a portable electronic device, and a power member for providing power to the one or more light sources. A lighting module may include a plurality of lighting devices. A power module having a battery may be configured to provide power to a portable electronic device.
Filter mounting methods and apparatus and related camera apparatus
Methods and apparatus, for mounting and using a filter over an image sensor are described as well as camera modules and apparatus incorporating the filter mount. Also described is a sensor and filter assembly which can be formed by combining the sensor, filter, filter mount, and a mounting board which can be shipped and integrated into a camera module and/or camera. A filter is placed in a filter well of a filter mount. By using a well to support the filter over a sensor, the top of the filter can be level or below the top of sidewalls of the filter mount. Use of a well to mount the filter reduces the risk of stray or unintentionally reflected light reaching the sensor and degrading captured images while protecting the filter from downward pressure or sideways contact.
Computerized toilet seat having image capture system
A computerized toilet seat having an image capture system includes a toilet seat body; a positioning auxiliary device, disposed on the toilet seat body and having a main body and a connecting member; an image capture unit, coupled to the connecting member and having an optical positioning element, a first space being defined between the optical positioning element and the buttocks; and a manipulator, electrically connected to the image capture unit for operating the positioning auxiliary device. The manipulator controls the image capture unit to capture an image of the buttocks. After capturing the image, the manipulator calculates and adjusts a relative position of the buttocks and the connecting member through the optical positioning element, and the image of the buttocks is displayed on the manipulator according to a relative position of the first space and the buttocks, and operation information of the positioning auxiliary device is provided to the manipulator.
A camera housing includes a frame having sides configured to secure a camera along an outer perimeter of the camera, one of the sides of the frame including a split within the frame. The camera housing also includes a latch mechanism extending along the frame from a first side of the split to a second side of the split, the latch mechanism operable in a closed configuration and an open configuration. A first distance between the first side of the split and the second side of the split when the latch mechanism is in the closed configuration is less than a second distance between the first side of the split and the second side of the split when the latch mechanism is in the open configuration.
Retractable camera cap
Examples of electronic devices are disclosed. An example electronic device includes a first housing including a first inner face, a second housing including a second inner face, and a hinge pivotably connecting the first housing to the second housing for rotation between at least a folded configuration and an open configuration, wherein the first inner face is adjacent the second inner face in the folded configuration. The example electronic device further includes a camera extending from the first inner face, and a cap on the second inner face and in alignment with the camera in the folded configuration, the cap configured to retract from the second inner face in the folded configuration to accommodate extension of the camera from the first inner face.
Surveillance camera for installation on a building structure and having a mounting housing in particular for surface mounting
A surveillance camera includes a camera housing, an objective on a front side of the camera housing, camera electronics in the camera housing, and a mounting housing mountable to building structure and in which the camera housing can be detachably secured. The mounting housing includes an opening pointing away from the building structure, through which opening the camera housing can be inserted into the mounting housing. At least one automatically active securing element on the camera housing and/or in the mounting housing detachably secures the camera housing in the mounting housing in a defined functional position. The camera housing is adjustable from the functional position into a dismantling position by application of a force, and wherein in the dismantling position at least one securing element is disengaged and/or a grip contour is made accessible on the outside of the camera housing for application of a manual traction force.
Apparatus and method for monitoring performance characteristics of a component of a vehicle
An apparatus for monitoring at least one performance characteristic of a component of a vehicle may include a tripod connected to an exterior surface of the vehicle, the tripod includes a plurality of airfoils defining an aerodynamic surface of the tripod, a camera positioned on the tripod at a predetermined viewing angle directed toward the component of the vehicle and a camera fairing connected to the tripod and surrounding the camera, the camera fairing includes a sidewall defining an aerodynamic surface of the camera fairing, an aperture disposed through the sidewall and aligned with the camera and a plurality of protrusions positioned proximate the aperture.
Omni-directional camera and related viewing software
Creating spherical video and corresponding audio utilizing a plurality of cameras by acquiring images via the cameras, processing the images, and mathematically converting and/or transforming the images into a combined spherical image file. A camera device creates the spherical image file and transfers it to devices running a viewer application, whereby the transfer occurs by saving the file to a storage file, streaming it to the devices via wired/wireless communication, or both.
Method and device for mapping colors in a picture using templates of harmonious colors
A method for processing a picture is disclosed. The method according to the invention comprises: segmenting the picture into a background layer and at least another layer; selecting a background template of color harmony for the background layer; determining one template of color harmony for each of the at least another layer from the background template of color harmony depending on the distance between the background layer and said at least another layer. processing the picture by mapping the colors of each segmented layer using the corresponding template of color harmony.
Image forming control apparatus, method of generating correction data, and storage medium
An image forming control apparatus for controlling an image forming apparatus to form an image on a recording medium includes a memory to store a target property data of original gradation values of image data of a target image to be formed on the recording medium; and circuitry to acquire actual property data of the target image actually formed on the recording medium, convert the original gradation values to another gradation values, generate a primary correction data based on the original gradation values and the another gradation values, generate a secondary correction data to supplement the generated primary correction data, compare the primary correction data and the secondary correction data, and generate gradation correction data used for correcting the original gradation values existing in a specific range of the original gradation values based on a comparison result of the primary correction data and the secondary correction data.
Correction method for image forming apparatus
A correction method for an image forming apparatus including a light source including a plurality of light emitting points, a photosensitive member configured to rotate in a first direction so that a latent image is formed thereon with light beams emitted from the light source, and a deflecting unit configured to deflect the light beams emitted from the light source in a second direction orthogonal to the first direction to form scanning lines, the correction method including a correction step of correcting sparseness and denseness of density in the first direction caused by deviation of the scanning lines in the first direction by moving a predetermined pixel in the first direction in accordance with the deviation of the scanning lines and causing a pixel value of the predetermined pixel to be output in accordance with a movement of the predetermined pixel.
Image reading device generating black correction data for shade correction determined at positions in the sub-scanning direction based on intermediate data and stored reference black correction data
An image reading device includes an image processor that generates correction data to be used for shading correction and perform the shading correction using the correction data, and a memory that stores first black correction data to be used for the shading correction in a main scanning direction in a predetermined first position in a predetermined sub-scanning direction. The image processor generates third black data based on an image signal of a second reference plate extending in the sub-scanning direction in a predetermined second position in the main scanning direction, generates black correction data according to the sub-scanning direction based on the first black correction data and the third black data, and performs the shading correction using the black correction data so as to correct density unevenness in the main scanning direction and the sub-scanning direction caused by an interference between image signals from a plurality of sensors.
Image reading device generating black correction data for shade correction based on intermediate data acquired at different positions in the sub-scanning direction
An image reading device has an image processor that generates correction data to be used for shading correction and performs the shading correction using the correction data. The image processor generates intermediate data with a predetermined density level, generates intermediate data in different positions in the sub-scanning direction based on image signals of a first reference plate and a second reference plate disposed in the different positions, generates first and second black correction data based on the respective intermediate data, generates black correction data according to the sub-scanning direction based on both the black correction data, and performs the shading correction using the black correction data in the respective positions in the sub-scanning direction.
Information processing apparatus, information processing method, and storage medium
An information processing apparatus having a power-saving standby power mode, according to an embodiment of the present invention, first communicates with an image reading device configured to read an image from an original and receives image data obtained in the reading of the image. In a case where a reading operation does not normally terminate because the information processing apparatus changes to a power-saving state during the reading operation and it is confirmed that the image processing apparatus has returned from the power-saving state, the information processing apparatus instructs the image reading device to discard the received image data of an image that was being read from an original when the information processing apparatus shifted to the power-saving state, and re-read the image that was being read from the original.
Printing apparatus capable of performing direct wireless communication, method of controlling direct wireless communication of the printing apparatus, and storage medium
A printing apparatus equipped with a direct wireless communication function, and a method of controlling the same, set, in accordance with an instruction of a user, a service to enable in the direct wireless communication function from among a plurality of services including a print service, and control the printing apparatus to execute the direct wireless communication function, applying a port filter corresponding to the service that is set.
Image forming apparatus with copy function that prints image data read from manuscripts on printing paper according to set printing conditions
Provided is an image forming apparatus that can accurately determine whether a manuscript is pencil writing. The image forming apparatus is a copier with a copy function that, after receiving a copy instruction, reads image data from a manuscript, and prints the read image data on printing paper according to set printing conditions. The copier includes a character extracting unit and a line width judgment unit. The character extracting unit extracts characters from each of a plurality of different locations in image data. The line width judgment unit determines whether or not a manuscript is pencil writing by comparing line widths of the characters that were extracted by the character extracting unit.
Image forming apparatus and method for controlling display of pop-up window
A method of controlling display of a pop-up window and an apparatus are provided. The method performed by an image forming apparatus includes determining at least one target device to be requested to display the pop-up window from among devices connected to the image forming apparatus when a pop-up event is generated during operations of the image forming apparatus, and transmitting information about the pop-up event to the determined at least one target device.
Information processing system, information processing apparatus, and information processing method for specifying application associated with function of device
An information processing system includes an acquisition unit, a first specifying unit, a second specifying unit, and a display controller. The acquisition unit acquires device specifying information. Based on first correspondence information in which each the device specifying information is associated with first function information representing a function that the device has, the first specifying unit specifies the first function information associated with the device specifying information acquired by the acquisition unit. Based on second correspondence information in which each application is associated with second function information representing a function necessary to use the application, the second specifying unit specifies an application associated with the second function information representing a function contained in the first function information specified by the first specifying unit. The display controller performs control for displaying an application list screen for providing the application specified by the second specifying unit on the device.
Communication device wirelessly communicating with external device, control method for communication device, and storage medium
A communication device includes an image capturing unit, a detection unit that continuously determines presence of an external device based on a image acquired by the image capturing unit, a first wireless communication unit that performs wireless communication, and a control unit that performs control so that processing for establishing wireless communication with the external device is started if the external device is detected by the detection unit, where the wireless communication with the external device is disconnected if the external device is not detected the wireless communication with the external device remains connected if the external device is detected again.
Image processing apparatus, image processing system, control method of image processing apparatus, and storage medium
An image processing apparatus and method includes inputting user information, setting folder information about a specified user based on the user information as a destination of image data, registering the set folder information, and performing control so as not to register folder information corresponding to a transmission protocol set to be disable from among a plurality of transmission protocols.
Call detail record analysis to identify fraudulent activity
Systems and methods for call detail record (CDR) analysis to determine a risk score for a call and identify fraudulent activity and for fraud detection in Interactive Voice Response (IVR) systems. An example method may store information extracted from received calls. Queries of the stored information may be performed to select data using keys, wherein each key relates to one of the received calls, and wherein the queries are parallelized. The selected data may be transformed into feature vectors, wherein each feature vector relates to one of the received calls and includes a velocity feature and at least one of a behavior feature or a reputation feature. A risk score for the call may be generated during the call based on the feature vectors.
Contact management system
A system for contact management a server to store, for a campaign, a list of contacts and a contact plan associated with that list of contacts, for each contact, agent notes, and, for the campaign, agent assistance text. The server determines a highest priority opportunity from the list of contacts for an agent associated with the client device as a function of the contact plan, qualifications of the agent, and a current time. The server sends the highest opportunity contact to the client device. The client device receives and presents the contact from the list that was determined to be the highest priority, agent notes for that contact, and agent assistance text. The client device accepts input of results of the agent communicating with the contact and notes regarding the contact, and sends the result and the notes to the server.
Personalizing communications services using environmental data
A method for personalizing communication services includes defining selectable options for a system that provides communication services. When a communication from a party is received, a computer of the system automatically determines, based on environmental data provided for the communication independent of information provided by the party during the communication, information predictive of potential objectives potentially desired by the party initiating the communication. Probabilities are assigned, based on the predictive information, that the selectable options will address the potential objectives. The selectable options are dynamically updated selectable options based on the assigned probabilities. Communications with the initiating party are in accordance with a script that includes the updated selectable options.
System and method for three-way call detection
A system for detecting three-way calls in a monitored telephone conversation includes a speech recognition processor that transcribes the monitored telephone conversation and associates characteristics of the monitored telephone conversation with a transcript thereof, a database to store the transcript and the characteristics associated therewith, and a three-way Call detection processor to analyze the characteristics of the conversation and to detect therefrom the addition of one or more parties to the conversation. The system preferably includes at least one domain-specific language model that the speech recognition processor utilizes to transcribe the conversation. The system may operate in real-time or on previously recorded conversations. A query and retrieval system may be used to retrieve and review call records from the database.
Telecommunication call management and monitoring system using wearable device with radio frequency identification (RFID)
Disclosed is a secure telephone call management system for authenticating users of a telephone system in an institutional facility. Authentication of the users is accomplished by using a personal identification number, preferably in conjunction with speaker independent voice recognition and speaker dependent voice identification. When a user first enters the system, the user speaks his or her name which is used as a sample voice print. During each subsequent use of the system, the user is required to speak his or her name. Voice identification software is used to verify that the provided speech matches the sample voice print. The secure system includes accounting software to limit access based on funds in a user's account or other related limitations. Management software implements widespread or local changes to the system and can modify or set any number of user account parameters.
Method and apparatus for providing phonebook using image in a portable terminal
A method and apparatus for providing a phonebook using an image in a portable terminal are provided. The method includes recording contact information in metadata of an image, and performing a linkage function using the image having the contact information recorded therein.
Mobile device lock-out system
A mobile electronic device that is operable to at least partially disable functionality of the mobile electronic device in response to receiving an indication that a vehicle is in motion. In one or more implementations, the electronic device includes a memory operable to store one or more modules and a processor communicatively coupled to the touch-sensitive display and to the memory. The processor is operable to execute the one or more modules to detect presence of a lock-out device and to receive an indication that a vehicle is in motion. The processor is also operable to execute the one or more modules to cause the mobile electronic device to be at least partially inoperable in response to receiving the indication and detecting presence of the lock-out device.
System and method for context aware proper name spelling
According to some embodiments, a method for determining proper name spelling in a text message from a sender to a receiver is described. The method may include evaluating text from a sender to a receiver to identify a proper name, comparing the text against a repository containing one or more proper names, determining a confidence ranking related to the accuracy of spelling of the proper name using shared contacts between the sender and receiver, and outputting a specific spelling of the proper name based on a highest confidence ranking of the confidence ranking.
Messaging application with in-application search functionality
The disclosure provides examples of a messaging application search service in which a search is performed from a messaging application for content to be incorporated into a message being composed using the messaging application. The messaging application responds to a search function indicator to provide a search function without leaving the messaging application. The search function indicator is interpreted by the messaging application as a request for a search to be performed by a search application. Upon receipt of the search request, the messaging application allows search terms to be entered in a messaging application user interface for subsequent search by the search application. Returned search results are presented to the user within the messaging application to allow the user to incorporate a search result into a message being composed via the messaging application.
Method of controlling a terminal and associated ancillary device
A method of controlling a terminal and an associated ancillary device are disclosed. The method includes: the ancillary device receiving information of an unprocessed event from the terminal, wherein the information contains a type and a serial number of the unprocessed event; receiving a predefined operation from a user and producing a tag for the unprocessed event accordingly, wherein the tag contains the type and serial number of the unprocessed event; and sending the tag to the terminal, so that the terminal generating a corresponding notification message according to the tag. Thus, the unprocessed event present on the terminal can be directly processed through the ancillary device, and the terminal can eventually generate a notification message to notify the user of the unprocessed event.
User interface for a computing device
There is disclosed a smartphone, tablet or other computing device in which a swipe in from an edge causes the device to behave (e.g. display a UI graphic, open an app, open a control pane, invoke a function), in a way that depends on the specific edge swiped-in from (e.g. left, right, top or bottom).
Roadside sign controller and dynamic message sign system
A roadside signal system and a roadside controller are provided relating to the control and operation of roadside signals and signs, such as those used by departments of transportation and municipalities. The roadside signal system and controller are configured to operate using National Transportation Communications for Intelligent Transportation Systems Protocol (“NTCIP”) compliant transmissions at both a local and remote level. The roadside controller by itself and as a part of the roadside signal system operates a local network to control multiple signs or signals from a single connection to a central network, thus saving physical space within the roadside cabinets used to store such controllers and virtual network space on the central network.
System for providing a continuous communication link with a symbol reading device
The disclosure embraces a system and method for providing a continuous communication link between a server computer and a symbol reading device, and a novel symbol reading device adapted for use in such a system. The system greatly simplifies the remote management, diagnostic evaluation, and monitoring of symbol reading devices, especially those devices connected to host devices that are not PC-based or running a complete operating system.
Enabling access to user-chosen and/or preferred content via remote trusted third-party systems
Techniques for enabling access to user-specified and/or user-chosen content via remote third-party systems. A method includes communicating with a content provider via use of one or more user credentials, wherein the content provider maintains a list of user content choices and one or more preferences for content, wherein the content is generated by the user and/or by the content provider and/or by one or more other users, automatically downloading an amount of user-specified and/or user-chosen content from the list of user content choices and one or more preferences to a primary enterprise system and/or a secondary enterprise system in conjunction with an interaction between the user and the primary enterprise system, and providing access to the downloaded user-specified and/or user-chosen content to the user in conjunction with an interaction between the user and the secondary enterprise system, the content provider and/or the primary enterprise system.
Personalizing a web page outside of a social networking system with content from the social networking system
A user device requests a web page from a web server of a third-party website, which is separate from a social networking system. The web server from the third-party website sends a markup language document for the requested web page to the user device which includes an instruction for a browser application running on the user device to incorporate information obtained from the social networking system within the web page. Based on the instruction in the received markup language document, the user device requests personalized content from the social networking system, which generates the requested personalized content based on social information about the user. The user device then renders the web page with the personalized content contained in a frame and displays the rendered web page and the frame to the user.
Systems, devices and methods for distributed content pre-fetching in mobile communication networks
There are disclosed systems, devices, and methods for distributing pre-fetch data. A parent node obtains pre-fetch data comprising at least one of: i) data expected to be of interest to a particular user, pre-fetched by the parent node from at least one data source; and (ii) at least one identifier identifying data expected to be of interest to the particular user, for pre-fetching the identified data at a child node. The parent node selects first and second subsets of the pre-fetch data for transmission, respectively, to first and second child nodes, the selecting based on at least a predicted future location of the particular user and a respective geographic location of the first and second child nodes; and transmits the first and second subsets of the pre-fetch data, respectively, to the first and second child nodes.
File replication on location-aware devices
A method for sending data to a user device comprises establishing a communicative connection between a first user device and a server, receiving the data at the first user device, caching the data on the first user device, establishing a communicative connection between the first user device and a second user device, determining whether the first user device is moving out of communicative range with the second user device, sending the data from the first user device to the second user device responsive to determining that the first user device is moving out of communicative range with the second user device, and caching the data on the second user device.
Request routing processing
Generally described, the present disclosure is directed to managing request routing functionality corresponding to resource requests for one or more resources associated with a content provider. The processing of the DNS requests by the service provider can include the selective filtering of DNS queries associated with a DNS query-based attack. A service provider can assign DNS servers corresponding to a distributed set of network addresses, or portions of network addresses, such that DNS queries exceeding a threshold, such as in DNS query-based attacks, can be filtered in a manner that can mitigate performance impact on for the content provider or service provider.
Method and apparatus for initiating and maintaining sessions between endpoints
Methods for re-anchoring a transport layer session in a communication network are disclosed. For example, a method receives a request to re-anchor a transport layer session and sends a packet notifying of a transport layer session re-anchor to a peer. The packet includes a header with a session identifier field, and a record type field that indicates that a payload of the packet comprises transport layer session re-anchor information. The method receives a confirmation of the transport layer session re-anchor notification. Another method receives a packet comprising a notification of a transport layer session re-anchor from a peer. The method updates a session management table and transmits packets to the peer using an updated address received in the notification of the transport layer session re-anchor.
Method and system for connection pooling for content management clients
Methods and systems for selecting an existing connection from a connection pool. A connection is immediately decoupled from its client session when the client session is released by a user and made available to the same user or other users. Criteria are defined, applied and considered for either re-using an existing connection or creating a new connection.
Heterogeneous cellular object tracking and surveillance network
An illustrative example surveillance system designed according to an embodiment of this invention includes a plurality of cells that respectively include a surveillance network including at least one detector that is configured to detect at least one type of subject. The cells have respective detection areas within which a subject may be detected by the at least one detector of that cell. A controller of the cell determines information regarding tracking of a detected subject that is in that cell. The controller hands off tracking of the subject to a second one of the cells based upon an indication that the tracked subject is moving toward the detection area of the second one of the cells.
Virtual network storage function layer comprising one or more virtual network storage function instances
A first virtual network storage function instance associated with a first portion of at least one network is configured to communicate with at least a second virtual network storage function instance associated with a second portion of the at least one network. The first and second virtual network storage function instances collectively comprise at least part of a virtual network storage function layer configured to interact with an underlying storage layer providing access to physical storage comprising a plurality of storage elements. The first and second virtual network storage function instances are configured to implement at least one data service that involves processing data obtained from at least one of the storage elements via at least one of the first and second portions of the at least one network, responsive to analytics performed by at least one of the first and second virtual network storage function instances.
Techniques for web server management
Techniques for provisioning and decommissioning web servers in an automated manner. In one embodiment, a threshold value relating to an operational metric of a web server can be stored. The metric can be monitored as the web server receives requests. If the metric exceeds the threshold value, additional web servers can be automatically provisioned to handle a portion of the requests. If the metric falls below the threshold value, the additional web servers can be automatically decommissioned. In another embodiment, information can be logged pertaining to web server requests received over time. Based on this information and a threshold value, patterns of high/low server load can be determined and a policy can be generated identifying time intervals during which additional web servers should be provisioned (or existing web servers should be decommissioned). The policy can be used at server runtime to provision or decommission web servers at the identified intervals.
Dynamic client-based leader election
A method, including deploying multiple servers as a distributed computing system (DCS) configured to provide a service to clients. At a first time, a given server is configured as an active node in the DCS, the active node configured to and to process requests for the service received from the clients. At the first time, one or more remaining first servers are configured as one or more semi-active nodes in the DCS, each given semi-active node configured to receive, from the clients, requests for the service, and to forward the received requests to the active node for processing. Each of the servers maintains respective counts of the received requests, and at a second time subsequent to the first time, upon identifying a given remaining server having a highest count the given remaining server is reconfigured as the active node, and the given server is reconfigured as a semi-active node.
Methods and systems for workload distribution
This invention relates to methods and systems for workload distribution, particularly in data centers, more particularly data centers which use fresh air cooling. Embodiments of the invention provide methods and systems which calculate a load value for each server which takes account of both the temperature of the server and its current job queue, and determine the server to which an incoming job should be allocated on the basis of the load values of the available servers.
Optimization of computer system logical partition migrations in a multiple computer system environment
Workload, preferably as one or more partitions, is migrated from a source server to one or more target servers by computing a respective projected performance optimization for each candidate partition and target, the optimization being dependent on a projected processor-memory affinity resulting from migrating candidate workload to the candidate target, and selecting a target to receive a workload accordingly. A target may be pre-configured to receive a workload being migrated to it by altering the configuration parameters of at least one workload currently executing on the target according to the projected performance optimization.
Method and apparatus for load balancing in communication system
Provided is a method for balancing load of a server in a communication system. The method includes receiving, by a client, a new access request message; checking load status of servers that the client itself manages; selecting a lowest-load server among the servers as a server to which the client is to send the new access request message; and sending the new access request message to the selected server.
Processing data and operating a communications device
Processing data in a communications system comprising a plurality of servers is provided. First data received from a communications device is directed to a given server in the plurality of servers. A server identifier identifying the given server is transmitted to the communications device. Subsequent data is received from the communications device. The subsequent data comprises the server identifier and a further parameter. The given server is selected on the basis of at least the server identifier and some of the subsequent data received from the communications device is directed to the given server. In the event of a need to redirect subsequent data to a server other than the given server, a different server is selected on the basis of at least the further parameter and further of the subsequent data received from the communications device is directed to the selected different server.
Receiving a communication event
Method, node and user terminal for receiving communication events over a communications network. The method comprising: executing a communication client at the user terminal, the client arranged to operate in one of a plurality of modes, filtering parameters associated with each of the modes are stored in storage at the user terminal; the client detecting a mode that the client is operating in and accessing the filtering parameters associated with the mode from the storage; the communication client transmitting the filtering parameters accessed from said storage to a node in the network, the filtering parameters defining one or more types of communication event that are permitted to be received at the terminal from said network when the communication client is operating in said mode; and receiving only said one or more types of communication event at the terminal from said node when the communication client is operating in said mode.
Recommending posts to non-subscribing users
In general, the subject matter described in this specification can be embodied in methods, systems and program products. A server system receives from a plurality of computing devices indications that a user of each of the computing devices requested to receive posts that a first user authors. The server system receives from a first computing device a post that was authored by the first user. The post is transmitted from the server system to the plurality of computing devices. A score for the post is determined to satisfy a criteria for transmission to a second user who has not requested to receive posts authored by the first user. The determination uses a distance of the second user to the first user in a social network graph. In response, the post is transmitted from the server system to a second computing device that is associated with the second user.
Optimizing transfer to a remote access client of a high definition (HD) host screen image
A host-client protocol facilitates delivery of screen images from a host to a remote access client when the host content is continuous or large (such as high definition (HD) content). To facilitate this operation, the protocol implements several functions and operations that provide the desired result of an HD stream viewable on the remote access client. These functions and operations include one or more of: frame rate adjustment, rate control, dynamic adjustment to the stream based on client-provided screen resolution or changes, eliminating portions of the host screen that are not in view on the remote access client, implementing client-initiated zoom/pan operations on the host instead of the client, performing zoom/pan operations, dynamic control over screen updates, and (where multiple clients are receiving the stream) delivering streams to different clients at different frame rates.
Utilizing VoIP codec negotiation during a controlled environment call
Controlled-environment communication systems are increasingly using voice over internet protocol (VoIP) to serve their users. VoIP allows voice to be sent in packetized form, where audio is encoded using one of several codecs. Because of bandwidth constraints, particularly during peak call times, codecs may be used which sacrifice audio quality for bandwidth efficiency. As a result, several features of communication systems, including critical security features. The present disclosure provides details for systems and methods by which a controlled-environment communication system may shift between codecs to perform security-related features or to alleviate bandwidth considerations. This involves the special formatting of control-signaling messages, including session initiation protocol (SIP) and session description protocol (SDP) messaging.
Adaptive data segment delivery arbitration for bandwidth optimization
Systems, devices and processes are described to adapt segment requests placed by an autonomous media player during media streaming to compensate for fluctuations in the bandwidth consumed by the requested segments due to variances in the underlying video content. By providing predictive data about the bandwidth consumption of upcoming video segments, client devices can adapt requests for future segments accordingly. Further, predictive consumption data can be shared between players operating within shared bandwidth to assist players needing additional bandwidth for upcoming video sequences.
Method and apparatus for an interchangeable wireless media streaming device
It is possible to capture video information using one or more body mounted cameras, to transmit that information over a wireless communication channel, and to process that information, such as by using angular momentum information captured by gyroscopes, to obtain an image which is suitable for viewing in real time. This technology can be applied in a variety of contexts, such as sporting events, and can also be applied to information which is captured and stored for later use, either in addition to, or as an alternative to, streaming that information for real time viewing. Such video information can be captured by components fully enclosed within a hat clip enclosure that is mountable on a brim of a hat.
Method and system for network driven automatic adaptive rendering impedance
A system and method for network driven automatic adaptive rendering impedance are presented. Embodiments of the present invention are operable to dynamically throttle the frame rate associated with an application using a server based graphics processor based on determined communication network conditions between a server based application and a remote server. Embodiments of the present invention are operable to monitor network conditions between the server and the client using a network monitoring module and correspondingly adjust the frame rate for a graphics processor used by an application through the use of a throttling signal in response to the determined network conditions. By throttling the application in the manner described by embodiments of the present invention, power resources of the server may be conserved, computational efficiency of the server may be promoted and user density of the server may be increased.
Radio access network control of media session
A method for controlling media communication session between a user and a receiving equipment via a core network is disclosed. The method includes checking a database to retrieve policy rules applicable to the user. The method also includes identifying the establishment of a default bearer for the user and analyzing all traffic packets originating from or directed to the user. The method further includes checking the establishment of a requested media communication session and determining the type of media session requested and established, and the IP addresses and ports of the user and the receiving equipment. The method also includes creating a dedicated bearer between the IP addresses and related ports of the already established media session, on the basis of the information retrievable from the packets belonging to the established media session and the database.
Image forming apparatus, method of controlling the same, and storage medium storing program
An image forming apparatus and a method of controlling the same, when it is instructed that the security policy be enabled, changes a setting item corresponding to the security policy so that the security policy is satisfied, and sets so that a setting value of the setting item cannot be changed, and when it is instructed that the security policy be disabled, controls so that a setting value of the setting item is changed under a condition that a security policy associated with the setting item corresponding to the security policy is disabled.
Infrastructure level LAN security
Techniques are disclosed for securing traffic flowing across multi-tenant virtualized infrastructures using group key-based encryption. In one embodiment, an encryption module of a virtual machine (VM) host intercepts layer 2 (L2) frames sent via a virtual NIC (vNIC). The encryption module determines whether the vNIC is connected to a “secure wire,” and invokes an API exposed by a key management module to encrypt the frames using a group key associated with the secure wire, if any. Encryption may be performed for all frames from the vNIC, or according to a policy. In one embodiment, the encryption module may be located at a layer farthest from the vNIC, and encryption may be transparent to both the VM and a virtual switch. Unauthorized network entities which lack the group key cannot decipher the data of encrypted frames, even if they gain access to such frames.
Analyzing cyber-security risks in an industrial control environment
A method of analyzing cyber-security risks in an industrial control system (ICS) including a plurality of networked devices includes providing a processor and a memory storing a cyber-security algorithm. The processor runs the cyber-security algorithm and implements data collecting to compile security data including at least vulnerability data including cyber-risks (risks) regarding the plurality of networked devices by scanning the plurality of devices, processing the security data using a rules engine which associates a numerical score to each of the risks, aggregating data including ranking the risks across the plurality of networked devices and arranging the risks into at least one logical grouping, and displaying the logical grouping(s) on a user station.
Unwanted tunneling alert system
Various systems and methods are provided that detect malicious network tunneling. For example, VPN logs and data connection logs may be accessed. The VPN logs may list client IP addresses that have established a VPN connection with an enterprise network. The data connection logs may list client IP addresses that have requested connections external to the enterprise network and remote IP addresses to which connections are requested. The VPN logs and the data connection logs may be parsed to identify IP addresses that are present in the VPN logs as a client IP address and in the data connection logs as a remote IP address. If an IP address is so present, user data and traffic data associated with the IP address may be retrieved to generate a risk score. If the risk score exceeds a threshold, an alert to be displayed in a GUI is generated.
Detecting network traffic content
A device for detecting network traffic content is provided. The device includes a memory configured for storing one or more signatures, each of the one or more signatures associated with content desired to be detected, and 5 defined by one or more predicates. The device a/so includes a processor configured to receive data associated with network traffic content, execute one or more instructions based on the one or more signatures and the data, and determine whether the network traffic content matches the content desired to be detected.
Method and system for detecting bot behavior
A bot detection engine to determine whether hosts in an organization's network are performing bot-related activities is disclosed. A bot detection engine can receive network traffic between hosts in a network, and/or between hosts across several networks. The bot engine may parse the network traffic into session datasets and discard the session datasets that were not initiated by hosts in a given network. The session datasets may be analyzed and state data may be accumulated. The state data may correspond to actions performed by the hosts, such as requesting a website or clicking ads, or requesting content within the website (e.g. clicking on a image which forms a HTTP request/response transaction for the image file).
Pre-processing before precise pattern matching
A method for pattern matching finds a target pattern from a stream of patterns, both of the stream of patterns and the target pattern being comprised of elements. The method includes acquiring occurrence numbers of target elements in the target pattern, initializing the buffer, the buffer indicating a section in the stream of patterns, determining whether occurrence numbers of the target elements in the buffer reach the occurrence numbers of the target elements in the target pattern, updating the buffer and then returning to the determining step, in response to determining that the occurrence numbers of the target elements in the buffer do not reach the occurrence numbers of the target elements in the target pattern, and outputting the elements in the buffer for subsequent processing, in response to determining that the occurrence numbers of the target elements in the buffer reach the occurrence numbers of the target elements in the target pattern. A device and a circuit for pattern matching are also provided to increase the speed for pattern matching.
Method and apparatus for verifying source addresses in a communication network
In one embodiment, a method includes receiving a packet from an end node, the packet comprising an authenticated source MAC (Media Access Control) address and a source IP (Internet Protocol) address computed based on the authenticated source MAC address, and verifying the source IP address in the received packet, wherein verifying the source IP address comprises computing an IP address based on the authenticated source MAC address and comparing the computed IP address to the source IP address in the received packet to verify the source IP address. An apparatus is also disclosed herein.
Transparent overlay and headless browser execution for welcome flow
Associating a website with a credential manager includes identifying the launch of a first instance of a website to be associated with a credential manager in a web browser, displaying, along with the first instance of the website in the web browser, an overlay prompting a user to enter login data for the website, receiving, through the overlay in the web browser, the login data for the website, accessing a second instance of the website in a headless browser, utilizing the login data to attempt gain access to the second instance of the website, and in response to gaining access to the second instance of the website utilizing the login data, storing the login data in secure storage.
Anti-takeover systems and methods for network attached peripherals
Methods, systems, and devices are described for the prevention of network peripheral takeover activity. Peripheral devices may implement an anti-takeover mechanism limiting the number of available device command classes when certain handshake and verification requirements are not met. Anti-takeover peripheral devices with protection enabled may be relocated within a controller network, or in certain cases, from one controller network to another controller network when certain conditions are met. That same device may be hobbled when removed from a controller network and may remain hobbled when connected to another network that fails to meet certain conditions. Unprotection and unhobbling of a device may occur through an algorithmic mechanism using values stored on the peripheral device and the controller device for one or more of anti-takeover code generation, anti-takeover code comparison, network identification value comparison, and manufacturer identification value comparison.
System and method for providing location based security controls on mobile devices
A computer implemented method for providing location based security controls on a plurality of user devices is provided. The method includes the following steps of: (a) defining a geo location of an area at a server, (b) defining a radius of said area where security policies are effective at the server, (c) retrieving a current location of one or more of users, (d) activating the security policies on the one or more users devices when the one or more users enter within the radius of the area, (e) restricting blacklisted applications and websites to be accessed on the one or more user devices, (f) accessing a camera of the one or more user devices to control the camera, (g) retrieving biometric information of the one or more users, and (h) tracking an attendance of the one or more users based on the biometric information of the one or more users.
Methods and apparatus for establishing a secure communication channel
A method for establishing a secure communication channel between an off-card entity and an embedded Universal Integrated Circuit Card (eUICC) is provided. The method involves establishing symmetric keys that are ephemeral in scope. Specifically, an off-card entity, and each eUICC in a set of eUICCs managed by the off-card entity, possess long-term Public Key Infrastructure (PKI) information. When a secure communication channel is to be established between the off-card entity and an eUICC, the eUICC and the off-card entity can authenticate one another in accordance with the respectively-possessed PKI information (e.g., verifying public keys). After authentication, the off-card entity and the eUICC establish a shared session-based symmetric key for implementing the secure communication channel. Specifically, the shared session-based symmetric key is generated according to whether perfect or half forward security is desired. Once the shared session-based symmetric key is established, the off-card entity and the eUICC can securely communicate information.
Multi-factor user authentication based on user credentials and entry timing
A method of performing operations on an account server processor includes receiving authentication query messaging through a network interface from a user terminal. The authentication query messaging contains an account identifier and a credential string of characters. An elapsed time associated with the user entering characters of the credential string through a user interface of the user terminal is determined responsive to the authentication query messaging. A combination of the account identifier, the credential string, and the elapsed time is authenticated to generate an authentication result. The operations further include selectively communicating through the network interface toward the user terminal based on the authentication result, information that is fetched from a memory of an accounts database using the account identifier. Related account server processors and methods by user terminals are disclosed.
Authenticated messages between unmanned vehicles
An unmanned vehicle communicates with other unmanned vehicles. When the unmanned vehicle receives a message from another unmanned vehicle, the unmanned vehicle verifies authenticity of the message. For at least some types of messages, if determined that the message is authentic, the unmanned vehicle updates a set of operations the unmanned vehicle will perform in accordance with information in the message.
Encryption/decryption in a cloud storage solution
The disclosure generally describes computer-implemented methods, software, and systems, including a method for decryption of data stored in the cloud. A record is received from a cloud storage solution, wherein at least one data field in the received record is encrypted, and wherein each encrypted data field is associated with an encrypted field identifier. A client certification key associated with a user accessing the record and at least one encrypted field identifier are provided to a security server. At least one decryption key associated with at least one of the at least one encrypted field identifier is received. Using each of received decryption key, at least one encrypted data field is decrypted. The received record is presented to the user accessing the record.
Access control center auto launch
Methods and systems provide indirect and temporary access to a company's IT infrastructure and business applications. The methods/systems involve establishing an access control center (ACC) to control the access that technical support personnel may have to the company's IT infrastructure and business applications. Thin client terminals with limited functionality may then be set up in the ACC for use by the technical support personnel. The thin client terminals connect the technical support personnel to workstations outside the ACC that operate as virtual desktops. The virtual desktops in turn connect the technical support personnel to the IT infrastructure and business applications. An ACC application may be used to automatically establish the connection between the thin client terminals and the virtual desktops and the virtual desktops and the IT infrastructure and business applications.
Information processing system, information processing apparatus, method of controlling the same, and storage medium
There is provided an information processing system, information processing apparatus, and a method of controlling the same. Upon receiving an encrypted application and encrypted license information, the information processing apparatus decrypts the encrypted license information and the encrypted application. It is determined whether or not the decrypted application is a web application, and in the case where the application is determined to be a web application, a URL contained in the application and information contained in the license information are registered, and a display item corresponding to the application is displayed in a menu screen.
Validation method and system for use in securing nomadic electronic transactions
A method involving a communication device, which comprises sending a request to a communication device; receiving a response from the communication device over a local communication path; deriving a received data set from said response; determining at least one data set that had been previously transmitted to the communication device over a wireless portion of a second communication path different from the local communication path; and validating the response based on the received data set and the at least one previously transmitted data set.
Communication device and method for performing encrypted communication in multipoint networks
A communication device for performing encrypted communication with at least one further communication device in a communication network is provided. Advantageously, the device is adapted to communicate with a plurality of further communication devices. The communication device comprises a communication unit and a cryptographic unit. Moreover it comprises a key encryption key generator configured to generate at least one key encryption key jointly with the at least further communication device, using the communication unit. Also, it comprises a traffic encryption key generator configured to generate a traffic encryption key, specific to the communication device, for encrypting traffic data by the communication device. The cryptographic unit is preferably configured to encrypt the traffic encryption key using the at least one key encryption key. Moreover, the communication unit is preferably configured to transmit the encrypted traffic encryption key to the at least one further communication device.
Method for dynamically prioritizing electronic messages in an electronic device
The present disclosure relates to a method for dynamically prioritizing electronic messages in an electronic device. In an embodiment an electronic message prioritization unit configured in an electronic device receives one or more electronic messages from other electronic device. The prioritization unit analyzes each of the received electronic messages using language and text processing logic to identify prioritization parameters. The prioritization unit assigns a value in a predetermined order to each of the prioritization parameters based on a predefined prioritization order of the prioritization parameters. The electronic message prioritization unit prioritizes the electronic messages based on the assigned values.
Real life to digital life event correlation
A method and system for correlating events with social media is provided. The method includes retrieving from a social network, social network data associated with users of the social network. The social network data is associated with event data associated with a user of the users. Temporary actions associated with a social network account of the user are enabled and a notification is transmitted to a group of users. In response, confirmation data associated with enabling the temporary actions is received from the group of users and permanent actions associated with the temporary actions are enabled.
Just-in-time, email embedded URL reputation determination
A system allows just-in-time checking of information about an email in which a hyperlink is embedded. Upon receipt of the email containing the hyperlink, the resource locator of the hyperlink is modified to allow checking the reputation of the email upon traversal of the hyperlink. At traversal of the hyperlink, the current reputation of the resource locator and the current reputation of the email are both determined, and one or more actions are performed responsive to the determination.
Method for tracking and routing financial messages for mobile devices
The present disclosure provides a financial messaging apparatus configured to encapsulate and transmit a financial message along with actions to a mobile device. The actions relate to rules that are associated with characteristics of the financial message.
Voice enabled social artifacts
A user is prompted to select a social site for generating a voice enabled social artifact. A user selection of the social site is received. Responsive to receiving the user selection, information associated with an account of the user on the social site is obtained. The user is prompted to select a social artifact associated with the social site for voice enablement. A user selection of the social artifact is received. The selected social artifact is configured for voice enablement. The selected social artifact is displayed on the social site with an indication that the selected social artifact is voice enabled.
Autonomous agent system
According to an embodiment of the present invention, a method for operating a cognitive computing system comprises starting a capture agent on a processor, subscribing the capture agent to a second agent, receiving a first message from the second agent, storing the received first message in a memory, receiving a notification of a new subscription from a third agent, and registering the capture agent to subscribe to the new subscription from the third agent.
Address space mapping for managing alternative networks for high quality of service communications
Methods and systems are provided. Exemplary methods may include: providing a first data packet to a first interface, the first data packet including a first address and being received from a computing device, the computing device being at a premises and coupled to a third interface, the first interface coupled to a first broadband connection received at the premises, the first broadband connection being coupled to a service using a first data network; determining at least one second data packet to be received at the first interface from the service is lost or delayed; supplying a second address to the computing device for communications with the service, in response to the determining; receiving from the computing device a third data packet including the second address; modifying the third data packet including replacing the second address with the first address; and giving the modified third data packet to a second interface.
Link-fault tolerance in a distributed antenna system
Certain features relate to improving the link-fault tolerance in a distributed antenna system (DAS) by utilizing a series of synchronous Ethernet frames. A receiving remote unit or a head-end unit in the DAS can predict the start of incoming Ethernet frames based on frame information extracted from previously received Ethernet frames. For example, a remote unit can be configured to receive one or more Ethernet frames, each of the one or more Ethernet frames including a start-of-frame field. After a period of time corresponding to the frame repetition rate, the remote unit can search for an additional start-of-frame field, indicating the receipt of the next Ethernet frame. The remote unit can extract the payload data from the next Ethernet frame based on the predicted value for the additional start-of-frame field.
System and method of sending data via a plurality of data lines on a bus
A method includes sending data from a first serial low-power inter-chip media bus (SLIMbus) component to a second SLIMbus component. The method further includes sending the data via at least a first SLIMbus data line of a plurality of SLIMbus data lines.
Tenant-based management system and method for distributed computing environments
A tenant-based distributed computing environment management system includes a service that is executed on a computing system to allocate a subset of the resources for use by each of a plurality of tenants, and generate a plurality of tags for each resource in the subset in which each tag includes tenant information associated with the tenant to whom the subset of resources are allocated. The service may then identify, for at least one of the tenants, the subset of resources allocated to the tenant, and transmit information associated with the identified subset of resources to a computing device of the tenant.
Preservation of a TTL parameter in a network element
In a system having multiple internal Internet protocol (IP) stacks, such as a network element, a value of a time-to-live (TTL) parameter may not be changed by an ingress IP stack. An indication of internal forwarding within the system may be used. An egress IP stack may decrement the value of the TTL parameter. A public network address for the system may be used for response packets to diagnostic packets received by the system.
System and method to control bandwidth of classes of network traffic using bandwidth limits and reservations
In various example embodiments, a system and method are presented for a bandwidth (BW) management system. The BW management system includes a BW manager module to manage bandwidth of a collection of flows by traffic classes using bandwidth limits assigned to the traffic classes arranged in a hierarchical bandwidth tree (HBT). The BW management system includes a quality of service (QOS) manager module to manage bandwidth for leaf traffic subclasses in the HBT based on application priority classifications. The bandwidth management system including a window manager (WM) module to manage bandwidth for individual flows in the collection of flows using a sliding window protocol to control the rate at which the first host transmits data packets to the second host. The QOS manager module is in communication with the WM module and the BW manager module while the bandwidth management system is actively managing the bandwidth of the collection of flows.
Hash-based overlay routing architecture for information centric networks
A method implemented in a network element (NE) configured to operate in an information centric network (ICN), the method comprising creating a minimum spanning tree for an overlay cluster to which the NE is assigned within a host domain, wherein the minimum spanning tree comprises a root corresponding to the NE and a plurality of member nodes assigned to the overlay cluster; and broadcasting a hash cluster setup (HCS) message to the member nodes, wherein the HCS message comprises source path routing information for the overlay cluster and hop limit values corresponding to distances within the ICN between the NE and each of the member nodes.
Techniques for using mappings to manage network traffic
Systems and methods manage network traffic of a first protocol by use of a second protocol. Network traffic directed toward a network destination address of a first protocol is received. A mapping of addresses is utilized to determine a corresponding other network address of the second protocol. The network traffic is reconfigured to be forwarded to the intended network destination using the second protocol and the determined corresponding other network address.
Method and apparatus for routing voice calls over Voice over internet protocol networks
A method is provided for improving voice quality of Voice over IP networks in which a highest-quality routing protocol is interposed between a local IP PBX exchange and a cloud-based Internet service provider server to which calls are to be routed, wherein the highest-quality routing protocol detects the quality of the voice channel between the local IP PBX exchange and cloud-based Internet service provider servers and routes voice calls to that cloud-based Internet service provider server exhibiting the highest voice call quality, with the highest voice quality server connection determined by detecting lost packets and packet delay between the local IP PBX exchange and a server.
Systems and methods for inferring network topology and path metrics in wide area networks
Described are methods and system for network analysis. A network analyzer for a first network is configured to receive network assessment information from a network metric monitors situated in third-party networks, the network assessment information indicating values for characteristics of one or more network paths from the respective network metric monitor to a node in a second network. The network analyzer aggregates the received network assessment information and identifies, from the aggregated network assessment information, a route from the first network to the node in the second network. The identified route is then selected from among a plurality of potential routes from the first network to the node in the second network and used in setting a routing policy for data flows from the first network through the node in the second network.
Minimizing network bandwidth for TDM CES
A method and system are provided for reducing bandwidth usage in TDM CES systems. When a transmitting router receives a signal indicating that the access circuit is other than “normal”, and that therefore any TDM data arriving over the access circuit is not valid, the router signals a receiving router at the far end of a TDM Pseudowire that no packets will be sent and does not send any packets. When the receiving router receives such a signal it starts generating its own packets for placing in its jitter buffer. In this way, the jitter buffer maintains its fill level even when no packets are being sent. When the transmitting router receives notification indicating that its access circuit has returned to normal the router signals the receiving router that status has returned to normal, and begins sending packets again.
Transmitting packet label contexts within computer networks
In general, techniques are described for transmitting context information defining contexts for packet labels in a network. More specifically, a network device, e.g., a router, implements the context transmission techniques to facilitate debugging or troubleshooting of the network. The network device may comprise an interface card that receives a Multi-Protocol Label Switching (MPLS) data unit from another network device in accordance with a label switching protocol. The data unit may include a label stack affixed to a payload. The label stack may include one or more MPLS labels and context information associated with at least one of these labels, The interface card may, when forwarding the data unit, parse the data unit to determine the context information and then forward the data unit in accordance with these MPLS labels. A control unit included within the network device may record the forwarding of the data unit and the determined context information.
Fast convergence for redundant edge devices
In one embodiment, a method includes identifying at a first edge device, a failure at a second edge device, the first and second edge devices located in a local network site in communication with remote network sites in an overlay network, changing a state of a routing locator address at the first edge device from down to up in response to the failure at the second edge device, the routing locator address initially associated with the second edge device, and advertising the routing locator address at the first edge device in an underlay network so that packets from the remote network sites are forwarded to the first edge device upon convergence in the underlay network. An apparatus and logic are also disclosed herein.
Systems, apparatuses, and methods for rerouting network traffic
A network element includes a processor that is configured to receive a request for performing an administratively-requested reroute (ARR) on a network. The ARR includes at least a first data plane operation on the network element and a second data plane operation on another network element. The network element is also configured to determine whether it is capable of performing the first data plane operation without interrupting network traffic on that network element. The network element is further configured to determine whether the other network element is capable of performing the second data plane operation without interrupting network traffic on that network element.
Method for sending multicast packet and switch
A method for sending a multicast packet and a switch. A first switch receives a multicast packet from a first customer edge or a second customer edge, where the first customer edge is connected to the first switch in a single-homed manner, and the second customer edge is connected, in an all-active manner, to N switches that include the first switch; the first switch determines a specified multicast tree of the first switch; the first switch encapsulate the multicast packet, where a destination switch unique identification address in a header of the encapsulated multicast packet is a unique identification address of a root of the specified multicast tree of the first switch; and the first switch forwards the encapsulated multicast packet to a network side using the specified multicast tree of the first switch.
Locating traffic origin in a network
The switch port at which traffic associated with a specified media access control (MAC) address originates is searched for in a local area network (LAN). One or more switches receive a broadcast discovery message on a LAN subnet. Each switch determines whether the MAC address identified by the discovery message is associated with one of its ports. If the switch determines that the MAC address is associated with one of its ports, then the switch determines whether that port defines an edge of a searchable space. If the switch determines that that port defines an edge of the searchable space, then the switch issues a response message identifying the switch and the port.
SDN controller logic-inference network troubleshooter (SDN-LINT) tool
A method is provided that is implemented by a computing device to automate management functions in a network. The method collects existing state of the network from local database tables, logs or remote system tables. An expected network state is generated from a predefined set of expectations. The expected network state is compared to the collected existing state to identify errors in the network. The method then generates a set of notifications for administrators for the identified errors.
System and method for provisioning resources of a packet network based on collected network performance information
A system and method for provisioning resources of a packet network, including monitoring at least one network performance information parameter associated with communications of data packets. The at least one network performance information parameter(s) may be compared with at least one respective threshold value indicative of degradation of communications of the data packets. A determination may be made that the network performance information parameter(s) crosses the respective threshold value(s). In response to determining that the network performance information parameter(s) crosses the respective threshold value(s), a network resource may be provisioned to compensate for the degradation of communications of the data packets.
Achieving stateful application software service behavior in distributed stateless systems
A resource manager service, system, apparatus and method manages resources for a user group of at least one user by utilizing a resource adapter. The resource adapter serves as a smart proxy to mimic the user of a desktop software application preserving the interaction model with the application. Embodiments of the invention allow integration of desktop software in a distributed enterprise system, as a service, without requiring non-trivial modifications to the application code or to alter its workflows in any material way. A resource manager service, system, apparatus and method treat instances of the resource adapters, smart proxies, as finite but reusable resources that can be allocated and “bound” to a given user for an unspecified duration.
Predictive and corrective configuration checker
A first configuration tag is received from a host, wherein each configuration tag comprises a configuration state and a configuration value pair for a given software. The first configuration tag is stored with a first timestamp. A second configuration tag is received from the host. The second configuration tag is stored with a second timestamp. A difference is determined between the first configuration tag and the second configuration tag.
Identifying marginal-influence maximizing nodes in networks
Methods, systems, and computer program products for identifying marginal-influence maximizing nodes in networks are provided herein. A method includes determining, across a network comprising multiple nodes, one or more target nodes in relation to a query node, wherein said determining comprises calculating a matching score for each of the multiple nodes based on attributes identified in a query associated with the query node; computing a probability associated with each edge in the network that connects two or more of the multiple nodes, wherein the probability comprises the likelihood, given the attributes identified in the query, that a given node is to forward information to a node connected thereto via a given edge; and identifying at least one path from the query node to at least one of the target nodes based on the computed probability associated with each edge in the network.
A wireless access point device capable of detecting out-of-band interference to the operation of the Wi-Fi network caused by LTE small cell devices such as macrocells and femtocells. A flow processor monitors the characteristics of data flows of devices connected to the wireless access point to determine whether they are LTE cells based on MAC address matching or the termination of a flow at a known mobile network operator gateway. A mitigation action to change the operational behavior of the wireless access point is then generated and applied to mitigate the effect of the detected interference device on the Wi-Fi network.
Data collection system having EIR terminal interface node
A network accessible node facilitates management of a fleet of portable communication devices (EIR terminal), including portable data terminals and/or barcode readers, by directing performance of software upgrade and/or configuration update actions by one or more members of the fleet of EIR terminals. The node can be configured for use in managing the reprogramming of the one or more EIR terminals. In one embodiment, the node can be disposed in a common local facility and connected to a common local area network with the at least one EIR terminal.
Enforcing device settings for mobile devices
The present invention extends to methods, systems, and computer program products for enforcing device settings for mobile devices. Generally, a computer system enforces appropriate mobile device settings (e.g., policy and/or configuration settings) prior to permitting a mobile device to access maintained data. The computer system receives a request from a mobile device. The computer system determines that current mobile device settings are not appropriate for accessing the maintained data. The computer system sends device settings, representing a new mobile device configuration that is appropriate accessing the maintained data, to the mobile device. The computer system receives an indication that the mobile device is configured in accordance with the device settings. The computer system permits the mobile device to access the maintained data in response to receiving the indication that the mobile device is configured in accordance with the device settings.
System and method for automated network configuration
A method of configuring a data network with a controller, the data network including a plurality of hosts each associated with at least one of a plurality of switches, the method including receiving a request to boot an operating system image on one of the plurality of hosts, the operating system image having network connectivity requirements. Further, the method includes selecting a host out of the plurality of hosts on which to boot the operating system image. The method also includes booting the operating system image on the host, and configuring a switch out of the plurality of switches associated with the host based upon the network connectively requirements of the operating system image. Additionally, the method includes configuring networking attributes of a network interface in the host based upon the network connectivity requirements of the operating system image.
System and method for providing proxied virtual wireless end points in a server rack of a data center
A server blade chassis, includes a server blade and a management system. The server blade includes a host processor and a blade management controller. The host processor provides a hosted environment and the blade management controller provides a managed environment separate from the hosted environment. The managed environment includes a virtual wireless device. The management system including a wireless management module and a chassis management controller. The wireless management module couples a wireless device to the management system and the chassis management controller provides a management request from the wireless device to the virtual wireless device.
System, communications node, and switching method
A sensor node among sensor nodes that synchronously switch between a first state and a second state transmits an abnormality notification signal to a collecting apparatus when in the first state and an abnormality occurs at the sensor node. The sensor node, when in the second state, transmits to the communications apparatus, a data signal that differs from the abnormality notification signal. During each interval of the first state, the sensor node enters a third state during a first partial interval of the interval of the first state, and receives and transfers an abnormality notification signal transmitted by another sensor node among the sensor nodes. During each interval of the first state, the sensor node further enters a fourth state during a second partial interval of the interval of the first state and different from the first partial interval, and refrains from receiving the abnormality notification signal.
Broadcast signal transmission device, broadcast signal reception device, broadcast signal transmission method, and broadcast signal reception method
The present invention provides a method of transmitting a broadcast signal. The method of transmitting a broadcast signal according to the present invention provides a system capable of supporting future broadcast services in environments supporting next-generation hybrid broadcast using terrestrial broadcast networks and the Internet. In addition, efficient signaling methods capable of covering both terrestrial broadcast networks and the Internet in environments supporting future hybrid broadcast are provided.
Receiver with duobinary mode of operation
An integrated circuit is disclosed that includes a receiver circuit to receive duobinary data symbols from a first signaling lane. The receiver circuit includes sampling circuitry to determine symbol state, and a duobinary decoder. The duobinary decoder is coupled to the sampling circuitry and converts the detected states to a PAM2 coded symbol stream. A decision-feedback equalizer (DFE) is provided that has inputs coupled to the sampling circuitry in parallel with the duobinary decoder. The DFE cooperates with the sampling circuitry to form a feedback path, such that the duobinary decoder is external to the feedback path.
Method and apparatus for accurately estimating a distance between wireless network devices
A receiver for a wireless device. A channel estimation module is configured to calculate a first channel estimate on a first tone of a data packet and calculate a second channel estimate on a second tone of the data packet. A phase roll estimation module is configured to calculate a conjugate of the second channel estimate and calculate, using the first channel estimate and the conjugate of the second channel estimate, an estimate of a phase roll caused by an error in symbol timing of the data packet. The phase roll corresponds to a difference between phases across adjacent tones of the data packet. The phase roll estimation module is further configured to calculate, based on the estimate of the phase roll, a timing advance to be applied to the symbol timing of the data packet. The timing advance corresponds to a number of samples of the data packet.
Network-based platform for providing customer technical support
A technical support system includes a problems data store storing a problem information related to a plurality of problems identified in response to other reported incidents, a problem search module configured to search the problem information based on one or more key words to determine problem information that is relevant to the one or more key words and that is applicable to a general population of computer systems, and a problem filter module configured to filter the determined problem information based on the parameters associated with the end-user's computer system configuration to determine problem information that is specific to the end-user's computer system. A method for providing technical support to an end user includes receiving system-specific parameters characterizing a hardware and software configuration of the end user's computer system, determining one or more possible causes of a problem exhibited by the specified end user's computer system by searching a set of problem information related to one or more problems reported in other incidents, and filtering the one or more determined possible causes based on the system-specific parameters to derive one or more targeted possible causes specific to the specified end user's computer system configuration.
Systems, devices, and methods for generating a substantially continuous stream of audiovisual data during a switching event
When switching sources, resolutions or refresh rates in a video distribution network, switching times are reduced by maintaining video lock and security authentication between a video switcher and a video sink. The scaler maintains video lock and security authentication by continuing to generate video timing data during switching events. The scaler also facilitates an aesthetically pleasing transition by generating image content data prior to and after the switching event.
Detection system and method and space control system using such a detection system
A space control system and a detection system are disclosed. The detection system is configured for distinguishing a moving living object, e.g. a human being, from a moving machine object in a space. The system comprises an imaging apparatus configured for producing a plurality of images over time of at least a part of the space. The images have a good spatial resolution. The system also comprises a processor configured for determining motion signals of the moving living object and the moving machine object from the plurality of images. The processor is configured to transform the motion signals to a frequency domain and distinguish in the frequency domain between motion signals related to moving living objects and motion signals related to the moving machine objects. Accordingly, the system is enabled to detect at least one of the living object and the machine object in the part of the space on the basis of the distinguished motion signals.
Voice control using multi-media rooms
Methods and systems are described for controlling an automation and security system. According to at least one embodiment, an apparatus for voice control of an automation and security system includes a processor, a memory in electronic communication with the processor, and instructions stored in the memory. The instructions are executable by a processor to detect a trigger word spoken by a user at a location remote from a control panel of the automation and security system, detect a command spoken by the user at the remote location which follows the trigger word, deliver at least one audio response to the user at the remote location in response to the command, and perform an action in response to the command.
Methods, apparatuses, and computer-readable media for providing a collaboration license to an application for participant user device(s) participating in an on-line collaboration
Methods, apparatuses, and computer-readable media for providing a collaboration license to an application for participant user device(s) participating in an on-line collaboration are disclosed. In one embodiment, a method is provided for licensing at least one application. The method includes transmitting a license request for at least one collaboration license. The collaboration license authorizes usage of at least one application on at least one participant user device participating in a collaboration. The collaboration may include at least one collaborative communication session among a plurality of participant user devices. The method further includes receiving the at least one collaboration license. Apparatuses and computer-readable media having instructions for providing the method are also disclosed. These may allow participant(s) of a collaboration to initiate and use an application during the collaboration that the participant(s) were not licensed to use when the participant(s) joined the collaboration.
Poe four pair active detection apparatus and method
A power over Ethernet (PoE) connection check method comprising: for a first time period, generating a first detection power over the first set of wires while not generating a second detection power over the second set of wires and obtaining a first indication of a power attribute over the first set of wires; during a second time period, generating the first detection power and generating a second detection power, greater than the first detection power, over the first set of wires; during the second time period, obtaining a second indication of the power attribute over the first set of wires; determining a first difference between the first indication and the second indication; and controlling a first power enable circuit and a second power enable circuit to provide power to the powered device over the first and second sets of wires respectively, responsive to the determined difference.
Rotating magnetic measurements of physical unclonable functions
A rotating magnetic physical unclonable function (PUF) is disclosed. Rotating the PUF enables robust low cost PUF readers. PUF may be incorporated into a user-replaceable supply item for an imaging device. A PUF reader may be incorporated into an imaging device to read the PUF. Other systems and methods are disclosed.
System and method for efficient and semantically secure symmetric encryption over channels with limited bandwidth
One embodiment of the present invention provides a system for enhancing security in a secure communication channel. During operation, the system collects contextual information associated with a mobile device or a user of the mobile device and determines whether a trigger condition is met based on the collected contextual information. In response to determining that the trigger condition is met, the system performs a first type of key-ratcheting operation on a current cryptographic key to update the cryptographic key. In response to determining that the trigger condition is not met, the system performs a second type of key-ratcheting operation on the current cryptographic key to update the cryptographic key. The system then encrypts a to-be-sent message using an encryption key associated with the updated cryptographic key.
Method and system for detecting fault attacks
In an embodiment, an integrated circuit (IC) device for detecting fault attacks is disclosed. In the embodiment, the IC device includes a main CPU core, memory coupled to the main CPU core, and a co-processor core including a checksum generation module, the co-processor core coupled to the main CPU core, wherein the main CPU core is configured to direct the co-processor core to process data from the memory and the co-processor core is configured to process the data, in part, by feeding internal signals to the checksum generation module and wherein the co-processor core is further configured to return a checksum value generated by the checksum generation module to the main CPU core.
System and methods for full duplex communication over a wireless network
Systems, methods, and apparatuses for full duplex communication on a wireless network are disclosed. In one aspect, one or more lists of non-effecting nodes are determined for one or more devices on the wireless network. A list of non-effecting nodes for a device identifies other network nodes or devices whose transmissions do not cause substantial interference with the device. When a full duplex communication is scheduled on the wireless network, a downlink message transmitted to the device may be performed concurrently with an uplink transmission from one of the non-effecting devices. This full duplex communication may be possible even if the device does not inherently support full-duplex communication on the wireless network.
A circuit arrangement includes an antenna port, a first receiving port, a second receiving port, a first transmission port, and a second transmission port. A number of 90 degree hybrids are configured to transfer an input signal into two output signals that are phase shifted relative to each other. Two quadplexers each include a first duplexer and a second duplexer. The quadplexers and the 90 degree hybrids are interconnected such that a leakage signal travelling from one of the transmission ports to one of the receiving ports destructively interferes at the receiving port.
Secondary cell deactivation in carrier aggregation
A plurality of physical uplink control channel (PUCCH) groups comprise a primary PUCCH group comprising a primary cell and a secondary PUCCH group comprising a PUCCH secondary cell. A wireless device keeps the PUCCH secondary cell active if a deactivation timer of the PUCCH secondary cell expires and there is an activated secondary cell in the secondary PUCCH group. The activated secondary cell is different from the PUCCH secondary cell.
Techniques for transmitting preambles over an unlicensed radio frequency spectrum band
A device may determine that an unlicensed radio frequency (RF) spectrum band is available for a communication. The device may transmit a first transmission indicator that indicates that the device is transmitting information via the unlicensed RF spectrum band. The first transmission indicator may be associated with a first radio access technology. The device may transmit a second transmission indicator that indicates that the device is transmitting information via the unlicensed RF spectrum band. The second transmission indicator may be associated with a second radio access technology that is different from the first radio access technology.
Terminal apparatus and method for transmitting a reference signal
Provided are a radio communication terminal apparatus and a radio transmission method by which intersymbol interference of DM-RS of a CoMP terminal and a Non-CoMP terminal can be reduced. A CoMP set setting unit (102) sets the cell IDs of all cells in the CoMP set in a cell selection unit (104), and a serving cell setting unit (103) sets the cell ID of the serving cell in the cell selection unit (104). The cell selection unit (104) selects the cell ID having a number closest to the cell ID of the serving cell from the cells in the CoMP set. A sequence information calculation unit (106) derives a sequence group number from the selected cell ID, and the sequence information calculation unit (106) calculates a sequence number from the derived sequence group number and a transmission bandwidth of the DM-RS.
Method and device for performing coordination between radio access points in wireless communication system
The present invention relates to a method and a device for performing coordination between radio access points in a wireless communication system, and a method by which a radio access point manages a wireless resource of a terminal in a wireless communication system, according to the present invention, comprises the steps of: receiving a measurement report message transmitted from the terminal; transmitting, to a communication element, measurement-related information according to the received measurement report message; receiving, from the communication element, a load information message including coordination pattern information generated on the basis of the measurement-related information; and managing the wireless resource of the terminal on the basis of the received coordinated pattern information.
Techniques for synchronizing and desynchronizing contention for access to a plurality of channels
Techniques are described for wireless communication. One method includes identifying a plurality of counters used to contend for access to a plurality of channels of an unlicensed radio frequency spectrum band. Each of the plurality of counters is associated with a respective channel of the plurality of channels of the unlicensed radio frequency spectrum band. The method also includes measuring at least one channel of the plurality of channels of the unlicensed radio frequency spectrum band. The measuring is associated with a contention for access to the at least one channel of the unlicensed radio frequency spectrum band. The method also includes synchronizing or desynchronizing at least a subset of the plurality of counters based at least in part on the measuring.
Reduction of wavelength selective switch (WSS) filter-based impairment using differentiated channel baud rates
A method may include transmitting, by an optical device, a first set of channels using a first baud rate. The first set of channels may be attenuated during transmission by a filter associated with a wavelength selective switch. Transmitting, by the optical device, a second set of channels using a second baud rate. The second set of channels may be attenuated during transmission by the filter associated with the wavelength selective switch. The first set of channels and the second set of channels may be included in a super-channel. The first baud rate may be selected based on a first signal quality factor associated with attenuation by the filter associated with the wavelength selective switch. The second baud rate may be selected based on a second signal quality factor associated with attenuation by the filter associated with the wavelength selective switch.
Networked programmable master clock base stations
Methods and systems for transmitting timecode and metadata to networked devices can include identifying one or more network devices capable of receiving timecode and sync information, generating a communication signal comprising timecode and sync information by a device having an internal clock, distributing the communication signal over a network to the identified network devices, and synchronizing the identified networked devices during an event.
Electric fader drive unit, fader device, audio mixer, and electric fader driving method
An electric fader drive unit includes a drive portion, a fader position control portion, and an electric fader control portion. The drive portion drives an electric fader by supplying drive power to the electric fader. The fader position control portion indicates a target position of the electric fader. The electric fader control portion receives an indication of the target position from the fader position control portion, and, when controlling the drive portion to move the electric fader to the target position, moves the electric fader to the target position by changing the drive power maintained at preparation drive power less than the minimum drive power that is the lowest drive power required for moving the electric fader to a predetermined drive power not less than the minimum drive power.
Method of providing an emergency alert service via a mobile broadcasting and apparatus therefor
A device providing an emergency alert service via a mobile broadcasting according to one embodiment of the present invention includes an RS frame encoder configured to generate an RS frame, which is a 2nd dimensional data frame, in a manner of performing an RS (Reed-Solomon)-CRC (Cyclic Redundancy Check) encoding on an ensemble comprising a mobile data for a mobile broadcasting service and a service signaling channel containing an access information on the mobile broadcasting service, an RS frame divider configured to divide the generated RS frame into a plurality of RS frame portions, a signaling encoder configured to generate a signaling data comprising a TPC (Transmission Parameter Channel) for signaling a transmission parameter of the mobile broadcasting and a FIC (Fast Information Channel) containing a connection information between the ensemble and the broadcasting service, a data group formatter configured to generate a data group containing a part of the signaling data and the RS frame portion, and a broadcasting signal generating unit configured to generate a mobile broadcasting signal containing the data group.
Opportunistic comp with low rate low latency feedback
A method and an apparatus is provided by which a transmission is received on a transmission channel, wherein the transmission channel includes a plurality of channel units via which transmission is carried out; channel prediction values for at least one of the plurality of channel units are obtained; it is determined whether the channel prediction value of the at least one channel unit is correct or not, and, in case the channel prediction value is not correct, an error of the at least one channel unit is reported.
Methods and systems for selection of unions of vector signaling codes for power and pin efficient chip-to-chip communication
Methods and systems are described for communication of data over a communications bus at high speed and high pin efficiency, with good resilience to common mode and other noise. Pin efficiencies of 100% may be achieved even for bus widths of four or fewer wires. Information to be transmitted is encoded as words of a vector signaling code, each word comprising multiple values transmitted as a group over the communications bus. Subsets of the vector signaling code have distinct group characteristics, which are discernable on transmission and are used to facilitate decoding on reception.
Temperature insensitive delay line interferometer
A silicon photonics based temperature-insensitive delay line interferometer (DLI). The DLI includes a first arm comprising a first length of a first material characterized by a first group index corresponding to a first phase delay to transfer a first light wave with a first peak frequency and a second arm comprising a second length of a second material characterized by a second group index corresponding to a second phase to transfer a second light wave with a second peak frequency with a time-delay difference relative to the first light wave. The first phase delay and the second phase delay are configured to change equally upon a change of temperature. The time-delay difference between the first light wave and the second light wave is set to be inversed value of a free spectral range (FSR) to align at least the first peak frequency to a channel of a designated frequency grid.
Techniques for channel estimation using user equipment specific reference signals based on smoothed precoders in a frequency domain
Methods, systems, and devices for wireless communication are described. One method includes identifying a plurality of intermediate precoders corresponding to a plurality of tone subsets. The plurality of intermediate precoders define a plurality of vectors across the plurality of tone subsets. The method further includes selecting, for each vector of the plurality of vectors, a subset of non-frequency domain components of the vector, such as time-domain components; modifying the plurality of intermediate precoders to a plurality of smoothed precoders based at least in part on the selected subset of non-frequency domain components for each vector; and precoding a plurality of transmit streams using the plurality of smoothed precoders. The plurality of smoothed precoders is smoothed in a frequency domain compared to the plurality of intermediate precoders. Smoothing precoders may enable application of wideband channel estimation techniques using user equipment (UE)-specific reference signals.
Reconstructing light-based communication signals captured with a rolling shutter image capture device
Methods and systems are described for sampling an LCOM message and accurately reconstructing the entire LCOM message using a light receiver (e.g., digital camera) of a typical mobile computing device, such as a smartphone, tablet, or other mobile computing device. These including receiving segments of an LCOM signal from at least two repetitions of the LCOM signal. The location of each segment within the LCOM signal is identified and each segment is stored in a corresponding location in a buffer configured to have a length equal to the LCOM signal. The buffer is a ring buffer, in some embodiments.
Alignment of optical devices
Adjustment of an optical component of a device includes determining of at least one derivative of coupling efficiency of the optical component as a function of parameters used for control of a steering function of the optical component. At least one oscillating component is induced into the parameters for the determining. The adjustment of the optical component is based on the determined at least one derivative.
Establishing optical communication links
Aspects of the present invention disclose a method, computer program product, and system for establishing an optical communication link. The method includes one or more processors controlling an optical detection apparatus to scan an environment to detect at least one marker. The method further includes one or more processors detecting a first marker of the one or more markers, wherein the first marker includes information that indicates a location of a first optical access point. The method further includes one or more processors determining the location of the first optical access point based on an analysis of the first marker. The method further includes one or more processors controlling an optical communication apparatus to align with the determined location of the first optical access point. The method further includes one or more processors establishing an optical communication link between the optical communication apparatus and the first optical access point.
Decision threshold adjustment
According to an aspect of an embodiment, a method may include receiving a digital data signal at an optical receiver. The method may further include measuring an eye quality of the received digital data signal. In addition, the method may include adjusting a decision threshold of the optical receiver based on the measured eye quality.
Long term evolution (LTE) air to ground communication enhancements associated with uplink synchronization
A method for air to ground uplink synchronization comprises initiating a downlink synchronization of user equipment onboard an aircraft with a ground base station; computing a range to the base station based on a downlink path loss; selecting an initial time advance (TA) value from a set of predetermined TA values based on the range; and sending a first random access channel (RACH) request with the initial TA value to the base station in a first attempt to synchronize an uplink signal and attach the user equipment to a network. If the user equipment fails to attach, a next RACH request is sent with a next TA value to the base station, in a next attempt to synchronize the uplink signal and attach the user equipment to the network. If the user equipment fails again to attach, the method is repeated until the user equipment is attached to the network.
Receiver stomp-and-restart in a distributed MU-MIMO system using RSSI separation
A system and method are provided for performing stomp-and-restart techniques in distributed MU-MIMO system. A plurality of radio head devices are provided that are configured to be deployed separated from each other in a coverage region of interest of a wireless network. A central processor subsystem is provided that is in communication with the plurality of radio head devices. The central processor subsystem configured to perform several operations based on downconverted samples received from the plurality of radio head devices.
System and method for TDD-FDD duplexing in a radio architecture
A reconfigurable TDD-FDD multiplexer operates in a TDD mode and a FDD mode. The TDD-FDD multiplexer includes an interdigital quadruplexer in series with a one-pole three-throw RF switch. The interdigital quadruplexer includes of two V-band filters, connectable to a transmitter and a receiver, respectively, for TDD mode duplexing, and two E-band filters, connectable to a transmitter and a receiver, respectively, for FDD mode duplexing. The E-band filters include an E-band transmitting filter that passes an E-band transmitting frequency band, and an E-band receiving filter that passes for an E-band receiving frequency band offset from the E-band transmitting frequency band. Switching between the V-band receiving filter and V-band transmitting filter enables TDD duplexing functionality at V-band frequencies. Switching to the two E-band filters enables FDD duplexing functionality at E-band frequencies.
Rotatable wrist mounted mobile device case
A mobile device case has a case configured to receive a mobile device and a wrist system configured for attachment to a wrist of a user. The case is selectively removable from the wrist system.
Ultra-low-power RF receiver frontend with tunable matching networks
A tunable matching circuit for use with ultra-low power RF receivers is described to support a variety of RF communication bands. A switched-capacitor array and a switched-resistor array are used to adjust the input impedance presented by the operating characteristics of transistors in an ultra-low-power mode. An RF sensor may be used to monitor performance of the tunable matching circuit and thereby determine optimal setting of the digital control word that drives the switched-capacitor array and switched-resistor array. An effective match over a significant bandwidth is achievable. The optimal matching configuration may be updated at any time to adjust to changing operating conditions. Memory may be used to store the optimal matching configurations of the switched capacitor array and switched resistor array.
An apparatus includes a first circuit transmitting a first signal to a port, a second circuit receiving a second signal from the port, a first peak-notch filter coupled between the port and the first circuit and configured to pass the first signal and block the second signal, a second peak-notch filter coupled between the port and the second circuit and configured to pass the second signal and block the first signal, and a third filter coupled between an input of the first filter and a ground or between an output of the second filter and the ground. The first signal has a first frequency and the second signal has a second frequency that is different from the first frequency.
Reducing receiver distortion caused by transmitter signals
Computer-implemented methods, computer software, and computer systems for adjusting receiver distortion caused by transmitter signals. A first signal is transmitted by a transmitter of the wireless terminal. A second signal is detected by a receiver of the wireless terminal. The second signal includes distortion caused by at least one of the first signal, a conjugate of the first signal, a harmonic of the first signal, or a conjugate of a harmonic of the first signal. At least one distortion coefficient is estimated in a digital domain based on the first signal and the second signal. Distortion of a third signal received by the receiver of the wireless terminal is adjusted based on the at least one distortion coefficient. Adjustment of distortion can be in the form of reduction, as well as elimination, of the distortion.
Method and system for extraction of noise parameters of nonlinear devices
Noise parameters are used to characterize noise performance of linear devices, such as amplifiers. Such noise parameters have not been used for frequency conversion devices, such as mixers. Direct measurements of single-side-band noise figures are accurately represented by the measured noise parameters, which fully characterize the noise figure of the mixers for all harmonic impedance loading conditions. Each harmonic side band of frequencies contributing noise to the mixer output is associated with a set of noise parameters. A measurement method for extracting the noise parameters is described.
Method and apparatus for coupling an antenna to a device
Aspects of the subject disclosure may include, for example, receiving, by a feed point of a dielectric antenna, electromagnetic waves from a dielectric core coupled to the feed point without an electrical return path, where at least a portion of the dielectric antenna comprises a conductive surface, directing, by the feed point, the electromagnetic waves to a proximal portion of the dielectric antenna, and radiating, via an aperture of the dielectric antenna, a wireless signal responsive to the electromagnetic waves being received at the aperture. Other embodiments are disclosed.
Method and device for transmitting a message
An embedded system and, in particular, a communication protocol suitable for a data transmission using auxiliary physical channels of such an embedded system. A transmission method suitable for such a channel includes the transmission of a data signal based on the encoding of three symbols. The message consists of a preamble allowing recognition of the symbols used, followed by the significant part of the message. The decoding of the message comprises a first step of learning the symbols used, prior to the decoding of the significant part of the message.
RF receive diplexer
A first RF receive diplexer, which includes a first hybrid RF coupler, a second hybrid RF coupler, and RF filter circuitry, is disclosed. The first hybrid RF coupler has a first main port, a first pair of quadrature ports, and a first isolation port, which is coupled to an RF antenna. The second hybrid RF coupler has a second main port and a second pair of quadrature ports. The RF filter circuitry is coupled between the first pair of quadrature ports and the second pair of quadrature ports. The first RF receive diplexer receives a first adjunct RF antenna receive signal via the first isolation port to provide a first adjunct RF receive signal via the second main port. The first RF receive diplexer receives a first RF transmit signal via the first main port to provide a first RF antenna transmit signal via the first isolation port.
Clock path technique for using on-chip circuitry to generate a correct encode pattern to test the on-chip circuitry
Aspects include techniques for implementing a clock path technique for using on-chip circuitry to generate a correct encode pattern to test the on-chip circuitry for encoding and correction of a chip. A computer-implemented method may include initializing a scan of the chip including data and a set of check bits protecting the data; applying a global control bit to a latch on the chip; and applying an additional clock to the latch so the check bits are updated using the on-chip circuitry.
Technologies for high-performance single-stream LZ77 compression
Technologies for high-performance single-stream data compression include a computing device that updates an index data structure based on an input data stream. The input data stream is divided into multiple chunks. Each chunk has a predetermined length, such as 136 bytes, and overlaps the previous chunk by a predetermine amount, such as eight bytes. The computing device processes multiple chunks in parallel using the index data to generate multiple token streams. The tokens include literal tokens and reference tokens that refer to matching data from earlier in the input data stream. The computing device thus searches for matching data in parallel. The computing device merges the token streams to generate a single output token stream. The computing device may merge a pair of tokens from two different chunks to generate one or more synchronized tokens that are output to the output token stream. Other embodiments are described and claimed.
Memory compression operable for non-contiguous write/read addresses
Disclosed embodiments include a system having a first memory for storing a plurality of data quantities, each data quantity consisting of a first number of bits, and a second memory for storing a plurality of compressed data quantities, each compressed data quantity consisting of a second number of bits that is less than the first number of bits. The system includes circuitry for reading data quantities from the first memory and for writing compressed data quantities, corresponding to respective read data quantities, to non-sequential addresses in the second memory. The circuitry for reading data quantities from the first memory is for reading along a read orientation selected from one of row-orientation or column-orientation from the first memory, and the circuitry for writing compressed data quantities in the second memory is for writing along a write orientation in the second memory that differs from the read orientation.
System and method for anti-ambipolar heterojunctions from solution-processed semiconductors
Van der Waals heterojunctions are extended to semiconducting p-type single-walled carbon nanotube (s-SWCNT) and n-type film that can be solution-processed with high spatial uniformity at the wafer scale. The resulting large-area, low-voltage p-n heterojunctions can exhibit anti-ambipolar transfer characteristics with high on/off ratios. The charge transport can be efficiently utilized in analog circuits such as frequency doublers and keying circuits that are widely used, for example, in telecommunication and wireless data transmission technologies.
Acoustic resonator and method of manufacturing the same
There are provided an acoustic resonator and a method of manufacturing the same. The acoustic resonator includes a resonance part including a first electrode, a second electrode, and a piezoelectric layer disposed between the first and second electrodes. The acoustic resonator also includes a substrate disposed below the resonance part and including a via hole penetrating through the substrate and a connection conductor disposed in the via hole and connected to at least one of the first and second electrodes.
Acoustic wave device
An acoustic wave device includes: a piezoelectric film located on a substrate; a lower electrode and an upper electrode facing each other across the piezoelectric film; a temperature compensation film located on a surface, which is opposite to the piezoelectric film, of at least one of the lower electrode and the upper electrode and having a temperature coefficient of elastic constant opposite in sign to a temperature coefficient of elastic constant of the piezoelectric film; and an additional film located on a surface of the temperature compensation film opposite to the piezoelectric film and having an acoustic impedance greater than an acoustic impedance of the temperature compensation film.
Class E2 amplifier
An amplifier includes an amplifier circuit comprising a switch, the switch configured to provide an output signal responsive to an input signal, the output signal comprising a first output signal at a fundamental frequency and a second signal at a second harmonic of the fundamental frequency, the input signal configured to control the switch according to a nominal 25% off, 75% on cycle, a filter circuit configured to control an impedance presented to the amplifier circuit and a load circuit, at least a part of which is configured to combine with the filter circuit to form an impedance transformation circuit configured to be resonant at the second harmonic of the fundamental frequency.
LNA with programmable linearity
A receiver front end capable of receiving and processing intraband non-contiguous carrier aggregate (CA) signals using multiple low noise amplifiers (LNAs) is disclosed herein. A cascode having a “common source” input stage and a “common gate” output stage can be turned on or off using the gate of the output stage. A first switch is provided that allows a connection to be either established or broken between the source terminal of the input stage of each cascode. Further switches used for switching degeneration inductors, gate/sources caps and gate to ground caps for each legs can be used to further improve the matching performance of the invention.
Distortion compensation circuit
A distortion compensation circuit includes a low-pass circuit to block the passage of two-wave RF signals and intermodulation distortions and to allow the passage of a difference-frequency signal. The low-pass circuit is connected between a signal path and an intermodulation distortion adjustment circuit.
Radio frequency integrated circuit (RFIC) charged-device model (CDM) protection
An apparatus is described. The apparatus includes an input device. The apparatus also includes a positive supply voltage pad. The apparatus further includes an input signal pad. The apparatus also includes a ground pad. The apparatus further includes charged-device model protection circuitry that protects the input device from electrostatic discharge. The charged-device model protection circuitry includes at least one of de-Q circuitry and a cascode device.
Communications based adjustments of an offset capacitive voltage
A parallel amplifier and an offset capacitance voltage control loop are disclosed. The parallel amplifier has a parallel amplifier output, which is coupled to an envelope tracking power supply output via an offset capacitive element. The offset capacitive element has an offset capacitive voltage. The offset capacitance voltage control loop regulates the offset capacitive voltage, which is adjustable on a communications slot-to-communications slot basis.
Schottky enhanced bias circuit
Embodiments disclosed herein relate to a bias circuit that uses Schottky diodes. Typically, a bias circuit will include a number of transistors used to generate a bias voltage or a bias current for a power amplifier. Many wireless devices include power amplifiers to facilitate processing signals for transmission and/or received signals. By substituting the bias circuit design with a design that utilizes Schottky diodes, the required battery voltage of the bias circuit may be reduced enabling the use of lower voltage power supplies.
Spectrally-engineered solar thermal photovoltaic devices
A solar thermal photovoltaic device, and method of forming same, includes a solar absorber and a spectrally selective emitter formed on either side of a thermally conductive substrate. The solar absorber is configured to absorb incident solar radiation. The solar absorber and the spectrally selective emitter are configured with an optimized emitter-to-absorber area ratio. The solar thermal photovoltaic device also includes a photovoltaic cell in thermal communication with the spectrally selective emitter. The spectrally selective emitter is configured to permit high emittance for energies above a bandgap of the photovoltaic cell and configured to permit low emittance for energies below the bandgap.
Motor control device
A motor control device includes: a motor; an inverter; and a control device. The control device includes: a detection device detecting a rotational position and a revolution speed of the motor; a positioning control device for a rotor; a deceleration device for the motor; and a determination device for the revolution speed of the motor. When the revolution speed is higher than or equal to the first predetermined revolution speed, the motor control device starts controlling the motor to rotate at the target speed, according to the rotational position, without executing the positioning control. When the revolution speed is lower than the first predetermined revolution speed and higher than or equal to the second predetermined revolution speed, the deceleration device decelerates the motor. When the revolution speed is lower than the second predetermined revolution speed, the positioning control device starts executing the positioning control.
Controller for permanent magnet synchronous motor, image forming apparatus, and control method
A controller for a permanent magnet synchronous motor includes an estimating portion configured to determine an estimated value of a rotational speed of the rotor and an estimated value of a position of magnetic poles of the rotor based on a value of the current detected by the current detector and a parameter value indicating an interlinkage magnetic flux caused by the permanent magnet across the winding; a control unit configured to control the drive portion to cause the rotating magnetic field based on the estimated value of the rotational speed and the estimated value of the position of the magnetic poles; and a correction portion configured to correct the parameter value indicating the interlinkage magnetic flux based on correction information, the correction information being determined based on a temperature of the winding and a relationship between the temperature of the winding and a temperature of the permanent magnet.
Safety circuit and brush holder for preventing fault conditions in an alternator
A fault protection circuit for an alternator is provided for preventing faults such as a prolonged full-field condition in the alternator. The fault protection circuit includes a safety switch that is opened when the alternator output voltage becomes too high, as may occur during a full-field condition caused by an electrical short, or when some other fault is detected within the alternator. The opening of this safety switch disconnects a supply voltage feeding an excitation current control switch. The excitation current control switch normally adjusts an excitation current provided to a rotor in the alternator, in order to regulate a voltage output from the alternator. By providing a safety switch that disconnects the supply voltage for the rotor excitation in the alternator, the alternator output voltage may be prevented from reaching excessive levels that may damage devices in an electrical system and a battery coupled to the alternator.
Motor drive device and brushless motor
Provided is a motor drive device which performs switching, with respect to a synchronous motor including a stator around which a motor winding is wound and a rotor holding a permanent magnet, from a synchronous operation in which the synchronous motor is synchronously driven to position-sensorless vector control in which a current supplied to the motor winding is controlled based on a position of the rotor. During the synchronous operation, the present motor drive device calculates, by estimation, an induced voltage error based on the detected current and voltage, performs control of an amplitude of a current instruction such that an error, of a target induced voltage, calculated based on an estimated induced voltage and based on an internal angle becomes equal to the induced voltage error, and switches the mode to the sensorless mode after the error is reduced to be within a range of a predetermined value. Further, by gradually reducing the current instruction during the synchronous operation, the absolute value of the induced voltage error is reduced to be within a range of the predetermined value.
Conformable electroadhesive holding device
A gripping device is described, and includes a holder including a base and a conformable jamming element having an electroadhesive element on a surface thereof and a controllable voltage source that is electrically connected to the electroadhesive element.
Data processing device and method for high voltage direct current transmission system
A data processing device for a high voltage direct current (HVDC) transmission system is provided. The data processing device includes a plurality of measuring interface systems (MIS) for measuring a voltage or current in an HVDC transmission system; a bus for transmitting data on the plurality of MISs; and an optical distribution module (ODM) transmitting the data transmitted through the bus to the HVDC transmission system, wherein the plurality of MISs increases counter values according to a data transmission completion signal of the ODM, and an MIS corresponding to the counter value among the plurality of MISs transmits data to the ODM through the bus.
Alternating average power in a multi-cell power converter
A method includes receiving a periodic voltage by a power converter comprising a plurality of converter cells and, in a series of time frames of equal duration, alternating an average power level of power converted by at least one converter cell of the plurality of converter cells. Each of the series of time frames corresponds to a time period between sequential zero crossings of the periodic voltage.
Driver circuit for synchronous rectifier switches in resonant converters, corresponding converter and method
A driver circuit for synchronous rectifier electronic switches, such as SR MOSFETs in resonant converters controls a pair of synchronous rectifier electronic switches to apply thereto a drive voltage to switch the synchronous rectifier electronic switches on and off synchronously with a converter current. The driver circuit includes a programming module to produce a first signal indicative of the figure of merit of the synchronous rectifier electronic switches, and, optionally, a current sensing module to produce a second signal indicative of the output current of the synchronous rectifier electronic switches. An output module is included to generate a value for the drive voltage which is a function of the first signal indicative of the figure of merit and, optionally, of the second signal indicative of the output current of the synchronous rectifier electronic switches.
Systems and methods for flyback power converters with switching frequency and peak current adjustments
System and method for regulating a power converter. The system includes a comparator configured to receive a first signal and a second signal and generate a comparison signal based on at least information associated with the first signal and the second signal. The first signal is associated with at least an output current of a power converter. Additionally, the system includes a pulse-width-modulation generator configured to receive at least the comparison signal and generate a modulation signal based on at least information associated with the comparison signal, and a driver component configured to receive the modulation signal and output a drive signal to a switch to adjust a primary current flowing through a primary winding of the power converter. The modulation signal is associated with a modulation frequency corresponding to a modulation period.
High voltage gain DC/DC power electronic converters
A DC/DC power converter provides high voltage gain using integrated boost and voltage multiplier (VM) stages. The boost cell operates according to a switching sequence to alternately energize and discharge a primary winding. A VM cell electrically coupled to the primary winding of the boost cell charges a multiplier capacitor to a DC output voltage greater than the input voltage when the primary winding is energized and discharges the multiplier capacitor when primary winding is discharged.
Internal voltage trimming device and semiconductor integrated circuit including the same
An internal voltage trimming device and a semiconductor integrated circuit including the same are provided. The internal voltage trimming device includes a voltage dividing circuit configured to generate a feedback voltage based on a resistance of the voltage dividing circuit and a target voltage that is received in a trimming mode, and a comparator configured to compare a reference voltage and the feedback voltage to generate a comparison signal. The internal voltage trimming device further includes a direct current to direct current (DC-DC) converter configured to generate an internal voltage based on an input voltage and the comparison signal, and be disabled in the trimming mode, and an automatic trimming circuit configured to generate, in the trimming mode, a trimming signal based on the comparison signal. The voltage dividing circuit is further configured to adjust the resistance based on the trimming signal.
Charge pump circuit and method for operating a charge pump circuit
Embodiments of a charge pump circuit and a method for operating a charge pump circuit are disclosed. In an embodiment, a charge pump circuit includes a charge pump configured to generate a charge pump output voltage, a transistor array including multiple transistor devices that includes at least one transistor device having a back gate terminal coupled to the charge pump output voltage, and a control circuit configured to control the charge pump output voltage so as to regulate the back bias voltage of the transistor devices within the transistor array. Other embodiments are also described.
A DC/DC converter including: a plurality of conversion cells connected in parallel and/or in series, each cell including at least one switch and at least one passive power storage element; and a diagnosis circuit capable of individually testing the cells to detect possible defective cells, of deactivating the defective cells, and of storing the location of the defective cells.
Interior magnet linear induction motor
An interior magnet linear induction motor includes an armature and a line of inductor teeth. The armature includes coils arranged between a plurality of teeth, and the line of inductor teeth is arranged so as to face the armature and includes a plurality of tooth portions arranged at a constant pitch in a linear stroke direction. An end portion of each of the plurality of teeth has a shape such that magnetoresistance of the tooth increases toward the root side. At least one permanent magnet is arranged at an end portion of each of the plurality of teeth and adjacent permanent magnets that are arranged at different teeth are magnetized such that opposite magnetic poles face each other.
Magnet insertion method into rotor core
A magnet insertion method into a rotor core is to insert an assembly into a magnet insertion hole provided in the rotor core of an electric motor, the assembly being formed by laminating a plurality of members, including at least a plurality of magnet pieces, in a line. According to this magnet insertion method, the assembly is formed by arranging a front member, having a surface surrounded by a chamfered ridge line, to cause the surface to be a front side end surface upon insertion, by laminating, on its rear side in an insertion direction, other members, without having the chamfered ridge line, in a line along the insertion direction to cause the other members to be hidden inside a projection of the front member when being projected from an insertion hole side, and by temporarily holding the front member and the other members.
Redundant modular pivot angle motor
This present disclosure relates to a motor arrangement for controlling pilot valves having at least three motors, having at least one stator each and at least one rotor each, wherein the motors are provided at a common rotating shaft, with each motor being coupled to the rotating shaft via at least one respective mechanical coupling.
Spring mechanism for power device
A spring mechanism for an electromagnetic drive unit converts or translates the movement and/or actuation of the electromagnet into a desired movement of the workpiece and enables simple and efficient tuning of the workpiece movement. The spring mechanism includes a housing, a spring connected to the housing, wherein at least two sections of the spring are movable with respect to the housing, a drive shaft that includes a first end having a magnet and a second end for attachment to a workpiece, and at least two tuning elements connecting the drive shaft to the movable portion of the spring. At least one of the tuning elements is adjustable. In one embodiment, the spring may be a flat spring, and the movable sections may each be positioned between a pair of cutouts defined in the spring.
End cap assembly for an electric motor
An end cap assembly for an electric motor has an end cap body and at least two motor terminals. The end cap body has at least two holding structures for respectively holding the at least two motor terminals, each holding structure having at least one holder and a through slot. Each motor terminal has a base portion, a terminal portion and at least one mounting portion. The at least one mounting portion is mounted to the at least one holder of a corresponding holding structure. The terminal portion is inserted in the through slot to electrically connect to a male terminal of an external power supply plug. The terminal portion and the at least one mounting portion integrally extend from the base portion.
Motor with integrated slot liner and bobbin with guides for conductor coils
A motor includes a shaft, a rotor magnet, an armature, an upper bracket, a lower bracket, and a fixing member. An insulator includes magnetic pole tooth insulating portions, each of which covers a separate one of magnetic pole teeth, and a core back insulating portion configured to cover at least portions of upper and lower end surfaces of a core back. A stator core includes a fixing member arranging portion. The core back insulating portion includes a core back insulating projecting portion configured to project in an axial direction away from a surface covering the core back, and including a radially inner surface located radially inward of a radially inner end of the fixing member arranging portion. The core back insulating projecting portion includes a cut portion at a position radially opposed to the fixing member.
Bobbin wound motor
A motor includes a rotor and a stator. The stator is operable to electromagnetically induce movement of the rotor and includes stator teeth and a motor-board. A stator tooth includes a core material, a plurality of winding segments, and a bobbin. The bobbin includes a core receptacle for mechanically engaging the core material, radial-orientated sections to support and electrically isolate the winding segments, and connectors for electrically coupling the winding segments. The motor-board includes electrical receptacles for electrically mating with the connectors for each of the winding segments and traces for coupling the winding segments to a power source.
Stator for rotating electric machine
A new rotor for a rotating electric machine assuring outstanding durability and reliability against vibration and facilitating equalization of resistances among a plurality of rotor coils, while allowing the leading ends of a plurality of lead wires to be disposed so as to congregate in one area, is provided. A plurality of stator coils 102 wound at a cylindrical stator core 101 each include leader portions led out from one of two ends of a slot along the axial direction and extending astride a plurality of slots. Lead wires 300 each formed at one end of a stator coil 102 are disposed so that their leading ends, oriented in the same direction, congregate in a single area. In a leader portion where a lead wire 300 is located, a turnback portion 400, made to turn back with an angle equal to or greater than 90° from an inclining wire portion 113, which is led out with an inclination along a predetermined direction from the slot, is formed.
Wireless power supply system and wireless power reception device
When a vehicle approaches a parking space, a ground controller excites a power transmission coil using an excitation pattern signal containing identification data, and a vehicle controller acquires the identification data from the excitation pattern signal received by at least one of subcoils. Then, a communication unit transmits the acquired identification data to the ground unit. The ground controller pairs the power transmission coil and the power reception coil with each other when the identification data contained in the excitation pattern signal and the identification data transmitted from the vehicle controller match each other. Also, the pairing is canceled if the identification data received by the subcoil provided on the front side and the identification data received by the subcoil provided on the rear side are different from each other.
Modular energy storage method and system
A control subsystem configured to control transferring of power, including: an AC/DC power supply; an uninterruptable power supply; a processor; an Ethernet switch; a first communication interface configured to send and/or receive data from a battery management unit that monitors a storage subsystem including one or more batteries; a first transfer interface configured to transmit power to the storage subsystem; a second communication interface configured to send and/or receive data from a power subsystem that includes a power converter, and the power subsystem is configured to be connected to a power line; and a second transfer interface configured to transmit power to the power subsystem, wherein the processor is configured to send signals which control the charging and discharging of at least one battery of the one or more batteries in the storage subsystem.
UPS sensitivity of power status parameter adjustment setting method
A UPS sensitivity of power status parameter adjustment setting method used in UPS system for allowing sensitivity setting of power status parameter manually by user or according to system default value. Microcontroller can automatically switch sensitivity to HIGH to enhance power protection if power status of input power supply is judged in the range set according to option of energy-saving, electrical safety or set time in priority after completing counting time. If power generator of relatively lower power quality level is used for input power supply, microcontroller can automatically switch sensitivity to LOW subject to option of energy-saving in priority and employ a low-sensitivity detection of power judgment, maintaining USP system in normal mode without being changed to battery mode, preventing system shutdown due to complete discharge of stored energy systems, and UPS system can operate normally, and power supply of stored energy systems can be prolonged and well-protected.
Smart home power system
A smart power storage and distribution system for buildings includes an energy storage device included in an uninterruptible power system (UPS). A system controller controls charging of the energy storage system via one or both of conventional grid power and/or the alternative power. The system controller also operates a plurality of electrical switches to switch the building's power source between power from the utility grid and/or from the energy storage system. The controller also communicates with smart outlets within the building to selectively turn the power on/off to each smart outlet according to programmed logic or remote commands from a user. Various types of data can be monitored throughout the house/building and transmitted to the cloud. The source of electrical power to the building, or to charge the UPS, can be selectively switched to correspond to the most advantageous electrical grid monetary rates.
Docking station for a mobile robot
A docking station for a mobile robot comprising a base portion that is locatable on a floor surface and a rear portion that is pivotable with respect to the base portion, thereby permitting a user to place the docking station on the floor in an unfolded configuration but to store the docking station in a folded configuration.
Radio frequency energy harvesting system
Disclosed is a Radio Frequency (“RF”) Energy Harvesting System (“RFHS”). The RFHS includes a phased array antenna, a power harvesting unit, and a controller. The phased array antenna is configured to receive ambient RF energy and, in response, produce an input power signal. The power harvesting unit is in signal communication with the phased array antenna and includes a rectifier module, storage module, and power threshold module. The power harvesting unit is configured to receive the input power signal and, in response, produce a rectified power signal. The controller is in signal communication with the phased array antenna and may steer the antenna beam of the phased array antenna.
Battery pack and portable electronic apparatus
A battery pack having a power-supply terminal, a ground terminal, and a communication terminal includes: a secondary battery that is connected to the power-supply terminal and the ground terminal; a resistive element that is connected to the communication terminal and the ground terminal; a switch unit that is connected in parallel to the resistive element and that is connected to the communication terminal and the ground terminal; and a controller that performs control of switching an ON state and an OFF state of a switch of the switch unit. The battery pack may further include a non-contact charging unit that performs non-contact charging, the resistive element may be a temperature sensor, and the controller may switch the switch of the switch unit to the ON state when the non-contact charging is started by the non-contact charging unit.
Method and apparatus for controlling charging of low voltage battery
A method and an apparatus for controlling charging of a low voltage battery are provided. The method includes determining a consumption pattern of an auxiliary machinery based on a consumed power of the auxiliary machinery and setting a base charged voltage based on the consumption pattern of the auxiliary machinery. Further, a charged voltage is set for the low voltage battery based on the base charged voltage, a driving mode of a vehicle, and a state of charge of a high voltage battery.
Method, device, and adaptor for dynamically adjusting charging current of adaptor to achieve thermal protection and fast charging
A method, device and adaptor for dynamically adjusting charging current of the adaptor to achieve thermal protection and fast charging. The method includes the steps of: checking whether the adaptor is capable of providing a target current for a battery connected to a charger device, and generating a check result; and according to the check result, making the adaptor to adjust a charging voltage provided by the adaptor from a first voltage to a second voltage so as to adjust the charging current supplied by the adaptor.
Method for operating an onboard network
An electrical distribution system includes a first energy store and a second energy store. The two energy stores are connected in parallel. Characteristic values of the first and/or second energy store are detected and a regeneration phase of the first energy store is implemented depending on the detected characteristic values. In the regeneration phase, a first operating voltage is preset and provided by means of a generator in such a way that said first operating voltage contributes to the second energy store having, after a preset time span, a higher open-circuit voltage than the first energy store.
Battery cell charge management system and method
A system and method for cell charging and cell charge redistribution for a plurality of series connected rechargeable electrical energy storage cells where the objective of charging and redistribution of charge for individual cells is based on the optimization criteria of equalization of remaining coulombmetric capacity for all cells.
Control apparatus to control discharge from battery units
Disclosed herein is a control apparatus, including: a discrimination section configured to discriminate a plurality of battery units which are to share and output electric power required by a load; and a control section configured to carry out discharge control for the battery units in response to a situation of each of batteries which the battery units individually have.
Method and apparatus for preventing voltage flicker in a power system
A method mitigates or prevents voltage flicker in an electrical power system that includes at least one power generating, energy storing, or power dissipating facility connected to a power grid and a controller connected to the facility. The method includes receiving in the controller a power value at a present time t and a power value at time t+T or at time t−T to determine a power change of the facility, calculating a voltage flicker impact on the power grid of the power change, determining if the flicker impact of the power change is above a limit, and sending a control signal from the controller to the facility when the flicker impact of the power change is above the limit to adjust the facility.
System and method for installing solar panels based on number of panels and output of panels
A controller for a plurality of solar panels is provided. An input connector is configured to receive (a) power from the plurality of solar panels, and (b) information from the individual solar panels. An output is configured to forward from the input connector the power from the plurality of solar panels; A controller is configured to receive the information, and based on the information selectively enable or disable the flow of power from the input to the output. The controller enables the flow of power when (a) a number of solar panels connected to the input is within a first threshold, and (b) the total rated output of solar panels connected to the input is within a second threshold. The controller disables the flow of power when (a) a number of solar panels connected to the input exceeds the first threshold, and/or (b) the total rated output of solar panels connected exceeds the second threshold.
Electricity storage device, electricity storage system, and method for controlling electricity storage device
A first power source line disposed between a positive electrode side of an electricity storage unit and a first external terminal, a second power source line disposed between a negative electrode side of the electricity storage unit and a second external terminal, a power source circuit connected to both the first and second power source lines and configured to supply an output voltage to a control circuit in an operating state, a power source control circuit configured to control an operating state and a non-operating state of the power source circuit, a first control signal generation circuit configured to supply a first control signal corresponding to transition of an external voltage applied to the first external terminal and the second external terminal to the power source control circuit to set the power source circuit in an operating state for a prescribed time, and a second control signal generation circuit configured to generate a second control signal that allows the power source circuit to be set in an operating state continuously by the control circuit to which an output voltage of the power source circuit is supplied are included.
In-wall extension apparatus
Various embodiments of the apparatus and/or methods are described for routing power to a wall-mounted appliance, particularly for routing electrical wiring and audio/video cabling up through a wall to power and communicate with a wall-mounted presentation device. The apparatus and systems include input and output enclosures with wiring therebetween and mechanisms for mounting the input and output enclosures adjacent to pre-cut wall openings. There exists at least one electrical input connector, disposed within the input enclosure, configured to electrically couple with a power source, and at least one electrical output connector, disposed within the output enclosure, configured to electrically couple with a wall-mounted appliance.
Cable fixing assembly
A cable head of a cable of a cable fixing assembly includes a joint portion and a lock body. The lock body is disposed on two opposite side surfaces of one end of the joint portion and extends therefrom. A fixing board of a cable fixing assembly includes a joint hole, a no-return block and a hook. The joint hole is formed through the fixing board. The no-return block is formed adjacent to the joint hole and includes a guiding slope and a no-return surface. The hook is disposed on the fixing board to fix conductive stranded wires in the cable body. The joint portion and the lock body are inserted into the joint hole and are rotated by an angle, and the lock body moves on the guiding slope and then is locked by the no-return surface.
Electrical box cable connector
An electrical box assembly and cable connector are provided. The cable connector includes a connector housing and a cable retaining member that releasably secures an electrical cable within the connector housing. The electrical box assembly includes an electrical box and a cable connector. The electrical box assembly may also include a box separator.
Spark plug gapping tool
The spark plug gapping tool comprises a clamp that provides a spark plug holder on a lower arm that is vertically aligned with a threaded shaft and a pressing foot on an upper arm. An inverted spark plug may be installed into the spark plug gapping tool from the bottom side of the lower arm. A mounting clip on the clamp allows a gap gauge to be removably coupled to the clamp and the gap gauge provides a calibrated arm of a specific thickness, which the spark plug gap is to match. A handle on the threaded shaft allows the threaded shaft to be turned, causing the threaded shaft to move up and down within a threaded shaft hole. Downward movement of the pressing foot against an electrode of the spark plug bends the electrode and sets the spark plug gap.
Internal combustion engine and ignition coil
The internal combustion engine has an internal combustion engine main body and a substantially columnar ignition coil. A head part at one end of the ignition coil is provided with an electromagnetic wave element for outputting electromagnetic waves irradiated into a combustion chamber of the internal combustion engine main body, and a plurality of supporting components are provided for supporting the ignition coil when an attaching part at the other end of the ignition coil is attached to a spark plug, the supporting components supporting the ignition coil either at or near a nodal point in a characteristic vibration mode of vibration occurring in the ignition coil along with vibration of the internal combustion engine main body. The ignition coil is not supported on the side toward the head part relative to the support member nearest the head part.
Spark plug and method for manufacturing the same
A spark plug has an elongated center electrode, ground electrode, convex part and noble metal coating layer. The center electrode is held in a housing. The ground electrode has a tip end opposing part opposing the center electrode. The convex part is extended from the tip end opposing part to an opposing part face in an axial direction of the spark plug. A spark discharge gap is formed between a tip end part of the center electrode and the convex part. The noble metal coating layer covers a surface of the convex part. The noble metal coating layer has an end face coating layer covering a projecting end face of the convex part and a side face coating layer covering at least a part of a side face of the convex part extended from the projecting end face. A root part of the side face coating layer is buried in the tip end opposing part. An extension is formed so that at least a part of the root part is extended to an outside of the spark plug along the opposing part face.
Ignition plug and ignition device
An ignition plug capable of improving ignition performance while preventing pre-ignition includes a center electrode, a bottomed cylindrical insulator enclosing a front end portion of the center electrode and a cylindrical metal shell holding therein the insulator. The insulator has, on a front end side thereof, a protruding portion protruding from and located frontward of a front end of the metal shell. In the ignition plug, a difference between an outer diameter of the center electrode and an inner diameter of the insulator is 0.01 mm or more; an axial length of the protruding portion is 6.7 mm to 12.7 mm; and the following condition is satisfied: 1.07≤S/V1≤1.35 where S is an outer surface area of the protruding portion; and V1 is a volume of the protruding portion.
Prechamber spark plug
A prechamber spark plug for igniting a fuel-air mixture in an internal combustion engine, in particular a gas engine, having a spark plug body (1) comprising a prechamber housing (2) and a cap (4) that closes the prechamber (3) at least partially, a ground electrode (10) and a central electrode (7) isolated from the ground electrode and projecting into the prechamber, is designed and developed with simple structural means in order to obtain advantageous igniting properties, the ground electrode (10) being designed for that purpose essentially as a cylindrical pin (11) that can be welded in a passage (12), preferably a bore (12), in the spark plug body (1).
Solid-state laser system and laser apparatus used for exposure apparatus
A solid-state laser system may include a first solid-state laser unit, a second solid-state laser unit, a wavelength conversion system, a wavelength detector, and a wavelength controller. The wavelength conversion system may receive a first pulsed laser light beam with a first wavelength and a second pulsed laser light beam with a second wavelength, and output a third pulsed laser light beam with a third wavelength converted from the first and second wavelengths. The wavelength controller may control the first solid-state laser unit to vary the first wavelength on a condition that an absolute value of a difference between a value of a target wavelength and a value of the third wavelength detected by the wavelength detector is equal to or less than a predetermined value, and control the second solid-state laser unit to vary the second wavelength on a condition that the absolute value exceeds the predetermined value.
Laser source, particularly for industrial processes
A laser source for use in providing a laser beam for industrial operations in an industrial plant. The laser source selectively providing a first laser beam at a first outlet having relatively high power and lower beam quality and a second laser beam at a second outlet having relatively lower power and higher beam quality. The laser source including an optical path selector device for selectively transmitting a first laser beam along a first or second optical line toward respective first and second outlets. The second optical path having an optical amplification unit for changing the first laser to the second laser. An industrial plant including at least a first laser source selectively controls the first laser source to provide the first and the second lasers to predetermined laser processing stations. A second laser source may be used and controlled to provide a first or second laser to an alternate laser processing station on a failure of another laser source.
Right angle coaxial cable and connector assembly and method of forming same
A method of induction soldering an inner conductor of a coaxial cable to an inner contact of a right angle coaxial connector includes: (a) providing a coaxial connector, the coaxial connector including an outer conductor body and an inner contact, the inner contact defining a mating axis, the inner contact further comprising a blind hole with an open end; (b) providing a coaxial cable, the coaxial cable including an inner conductor, a dielectric circumferentially surrounding the inner conductor, and an outer conductor circumferentially surrounding the dielectric; (c) inserting the coaxial cable into the coaxial connector such that an end of the inner conductor is positioned in the blind hole of the inner contact and perpendicular to the mating axis; and (d) heating the blind hole of the inner conductor to melt solder present in the blind hole to form a solder joint between the inner conductor and the inner contact.
Electrical cable connector and method of assembling the same
An electrical cable connector includes a contact subassembly having a center contact, a dielectric holder, and an outer contact. The dielectric holder defines a channel that is open at a top side of the dielectric holder. The center contact has a termination region that is held in the channel. The termination region includes a first cable insulation displacement (CID) feature. The outer contact includes a second CID feature extending from a base wall of the outer contact outside of the dielectric holder. The second CID feature extends into the channel through an aperture in the dielectric holder. The first CID feature engages a core conductor of a cable and the second CID feature engages a shield layer of the cable as the cable is loaded into the channel from above the top side of the dielectric holder.
Assembled electrical cable
An assembled electrical cable includes at least one core that is surrounded by an insulating sheath and that extends in a longitudinal cable direction between a first and a second free end of the cable. At the first free end of the cable, the core is freed of the insulating sheath and is provided with an electrical contact element. The core, together with the contact element thereof, is accommodated in an electrically insulating carrier. The carrier has at least one cutout through which the contact element is externally accessible. The contact element is provided in a section with an electrical insulation that differs from the insulating sheath.
Systems for module interfacing of modular mobile electronic devices
A module interface of a modular electronic device includes a data interface, coupled to a module communication network of the modular electronic device, that enables data transfer between the module communication network and modules coupled to the data interface; a power interface, coupled to a module power network of the modular electronic device, that enables power transfer between the module power network and modules coupled to the power interface; and a mechanical interface, coupled to a chassis of the modular mobile electronic device, that enables modules to be removably and mechanically coupled to the modular electronic device.
Connector assembly with torque sleeve
A connector assembly that has a connector including a coupling member rotatably coupled to a body, and the coupling member has an interface end configured to engage a mating connector. A gripping sleeve receives at least a portion of the body and at least a portion of the coupling member. A torque limiting feature includes a slip element located at or near the front end of the gripping sleeve and an engaging element located on the coupling member. The slip element and the engaging element engage one another such that rotation of the gripping sleeve applies torque to and rotates the coupling member in a tightening direction until a predetermined torque limit is reached when the slip element disengages from the engaging element allowing the gripping sleeve to rotate with respect to the coupling member such that torque is no longer applied to the coupling member by the gripping sleeve.
A waterproof connector (10) has a terminal accommodating portion (20) on which a seal ring (40) is to be fit. Seal mounting walls (36) project out from the terminal accommodating portion (20) and include locking holes (37) through which projections (43) of the seal ring (40) are press-fit from the front. Seal protection walls (33) are arranged behind the seal mounting walls (36) and projection accommodation spaces (S) are provided between the seal mounting walls (36) and the seal protection walls (33) for accommodating the projections (43). The seal protection walls (33) cover the projections (43) from behind so that the projections (43) cannot be pushed forward, cut or damaged by an impact from behind. Accordingly, the seal ring (40) will not be separated inadvertently and sealing performance can be maintained.
Live portion protection structure and connector
A live portion protection structure includes a high-voltage electric wire that has a conductor and an insulating cover covering the conductor, a conductive terminal fitting that is connected to the conductor exposed from the high-voltage electric wire, an insulating housing that receives a connection part between the terminal fitting and the conductor, a regulation member that is disposed in a reception path for receiving the connection part into the housing, and an insulating extra-length portion that is provided in the cover. When a part or all of the connection part on a side of the conductor drops out from the housing, the extra-length portion abuts against the regulation member so as to be moved to an outside of the part or all of the connection part to thereby cover the part or all of the connection part.
An improved electrical connector including a latch strike plate, a body having a base, a receiver extending from the base and configured to receive the latch strike plate, an inserter extending from the base, a first electrical connection assembly extending through the body, a second electrical connection assembly extending through the body, an electrical linkage cable assembly connected to the base, the first electrical connection assembly, and the second electrical connection assembly, a latching mechanism partially positioned in the base and the inserter and partially extending from the base and the inserter, and a securing assembly extending in and from the base.
A connector includes a connector main body having a wall portion and a shaft portion protruding from the wall portion; a pair of terminals which is relatively rotatable around the shaft portion and interposes a terminal of a counterpart connector; a torsion spring which has a coil, and a pair of arms protruding outward in a radial direction from the coil, is disposed between the pair of terminals in a state in which the shaft portion is inserted through the coil, and urges the pair of terminals in a rotational direction by the pair of arms; and guide portions which are provided in the connector main body, abut against the pair of arms when the torsion spring is pushed toward a proximal end side of the shaft portion, and guides the torsion spring between the pair of terminals, while elastically deforming the torsion spring.
Electrical connection piece for an endoscope and method for establishing an electrical connection in an endoscope
An electrical connection piece including: a flexible circuit board having: a central section penetrated by contact openings arranged mirror-symmetrically; a first and second arm, each of the first and second arms extending in different directions away from the central section, the end of the first arm having a first end surface, the end of the second arm having a second end surface, the end of the first arm having a third end surface opposing the first end surface and end of the second arm having a fourth end surface opposing the second end surface; first strip conductors extending between the contact openings and first electrical contacting surfaces; and second strip conductors extending between the contact openings and second electrical contacting surfaces; wherein the first electrical contacting surfaces have a contact configuration different from a contact configuration of the second electrical contacting surfaces.
System for attaching electrical equipment to a metallic support
A system for attaching electrical equipment to a metallic support and including a pin designed to be inserted through a through-housing of the metallic support and a metallic insert of the electrical equipment, and a device for insulating the metallic support, extending between the metallic support and the metallic insert. The system also includes a mechanical retention device designed to apply load to the insulating device so as to keep them in contact with the metallic support and with the metallic insert.
A plug-type connector comprising a conductor and a union nut mounted rotatably on the conductor, wherein the union nut is mounted in a sprung manner on the conductor in the axial direction of the plug-type connector.
Battery terminal connector with connectors of different shape for positive and negative cables
A battery terminal connector includes a clamp with extended arms to engage with varying size of terminal post of a battery. A connector extending from the clamp has either a protruded or hollow end depending on whether the clamp is engaged with a positive or negative terminal. A cable connecting a terminal of an external device is shaped to accommodate the connector to supply current to the external device from the battery. The battery terminal connector providing a connecting and cable shaped differently depending on whether it is connected to a positive or negative terminal post of the battery reduces accidents caused by mistakenly cross connecting a positive terminal of the battery to a negative terminal of the external device, and vice versa.
Torque limited screw for electrical connector
A torque limited screw is used to secure a conductor to an electrical connector. The screw has a torque limiting feature between a head and a body of the screw which must be overcome by force to break the head free from the screw body. The screw assembly includes a threaded body configured to be releasably coupled to a coupling portion of the connector. A head of the screw assembly is joined to the body via a neck portion which under a specified torque applied to the head fractures to break the head away from the body seated in the connector and securing the conductor. In one embodiment, the screw includes a plate spaced from and coupled to the threaded body for contacting the conductor. The plate is rotatable relative to the threaded body when the threaded body is coupled to the coupling portion of the connector.
Multiple-feed antenna system having multi-position subreflector assembly
A multiple-feed antenna system includes a primary reflector that directs signals along a primary RF signal path and a subreflector assembly movable between a first position and a second position. When the subreflector assembly is in the first position, the subreflector assembly redirects signals traveling along the primary RF signal path to a first RF signal path. When the subreflector assembly is in the second position, the subreflector assembly redirects signals traveling along the primary RF signal path to a second RF signal path. The multiple-feed antenna system further includes: a first feed that intersects the first RF signal path and that communicates signals within a first frequency range; a second feed that intersects the second RF signal path and that communicates signals within a second frequency range; and an actuator that moves the subreflector assembly to the first position and to the second position.
Antenna for mobile communication device
An antenna includes a metal member, a closed slot disposed in the metal member, and a feed element having a first feed portion and a second feed portion, the first and second feed portions crossing the closed slot, and being electrically connected to each other. The feed element enables the closed slot to resonate at two different frequency bands and enables both bands to be individually tunable. The antenna can be incorporated into a metal cover or case of a mobile communication device.
Low profile wideband planar antenna element with integrated baluns
An antenna assembly for use in a tile architecture antenna system. The antenna assembly comprises: i) a first substrate layer having a first surface; ii) a first antenna disposed in an X-Y plane on the first surface of the first substrate layer; iii) a second substrate layer having a first surface, the second substrate layer displaced in the Z-direction with respect to the X-Y plane on the first surface of the first substrate layer; and iv) a first tuning balun disposed on the first surface of the second substrate layer and coupled to the first antenna by means of a first feed via. The antenna assembly further comprises a first transmission line disposed on the first surface of the second substrate layer. The first transmission line is coupled to the first antenna by means of a second feed via.
Antenna module and mobile communication device having the same
An antenna module is disclosed. The antenna module is applied to a mobile communication device and includes a first radiating element and a second radiating element. The first radiating element is disposed on a base board inside the mobile communication device, and one point of the first radiating element is a feed point of the antenna module. The second radiating element is disposed on the base board and is grounded by connecting to a P-sensor inside the mobile communication device. There is a gap between one part of the second radiating element and the first radiating element.
Antenna array and phased array system to which antenna array is applied
The present invention provides an antenna array, including a first antenna group, a second antenna group, and a transition band, where the transition band is located between the first antenna group and the second antenna group and is connected to the first antenna group and the second antenna group, a height of the transition band is less than or equal to a height of the first antenna group and a height of the second antenna group, the transition band includes a first transition sheet and a second transition sheet, one end of the first transition sheet is connected to one end of the second transition sheet to form the transition band of a V-shaped structure, and the other end of the first transition sheet is connected to the first antenna group. The present invention further provides a phased array system to which the antenna array is applied.
Antenna assembly and antenna structure with improved signal-to-noise ratio
An antenna assembly including: an insulating substrate; a conductive coating covering a surface of the substrate at least section-wise and serving at least section-wise as a planar antenna receiving electromagnetic waves; a first coupling electrode electrically coupled to the conductive coating extracting useful signals from the planar antenna; a source of interference disposed such that interfering signals can be received by the planar antenna; an electrically conductive ground; and a second coupling electrode electrically coupled to the conductive coating coupling out interfering signals received by the planar antenna from the planar antenna. The second coupling electrode includes a first coupling surface and the conductive structure includes a second coupling surface capacitively coupled to the first coupling surface, the two coupling surfaces configured to selectively allow passage of a frequency range corresponding to the interfering signals to be extracted from the planar antenna.
Radio frequency signal splitter
Disclosed is a signal splitter that includes a coupled transmission line element coupled between two output ports of the signal splitter. The coupled transmission line element is used to lower the isolation between the two output ports for a particular frequency band. The coupled transmission line element includes a first and a second elongate electrical conductor. The first and the second elongate electrical conductor first ends are coupled to the signal transmission path that connects the two output ports. The first and the second elongate electrical conductor second ends are un-terminated. The first elongate electrical conductor and the second elongate electrical conductor are not shorted together, and the first elongate electrical conductor and the second elongate electrical conductor are electrostatically coupled, such as by twisting them together into a helix.
Circularly polarized wave generator
A circularly polarized wave generator includes a rectangular hollow waveguide (1), a plurality of first protrusions (2) that are provided on one pair of opposing wall surfaces in the waveguide (1), have longitudinal directions orthogonal to an axial direction of the waveguide (1), and are arranged at intervals along the axial direction, and a plurality of second protrusions (3) that are provided between the first protrusions (2) on the wall surfaces and are arranged with longitudinal directions thereof running along the axial direction.
Energy conversion cell having an electrochemical conversion unit
An energy conversion cell includes an electrochemical conversion unit. The energy conversion cell has an electrically positive side with a process gas supply and an electrically negative side. The electrochemical conversion unit, which has a self-supporting substrate and a number of functional layers, is disposed between the two sides. The electrochemical conversion unit has a positive electrode and a negative electrode. The negative electrode includes a porous metallic, self-supporting substrate.
Pouch-type secondary battery and secondary battery module comprising the same
A secondary battery module according to the present disclosure includes a pouch-type secondary battery including an electrode assembly in which a cathode plate and an anode plate are stacked with a separator interposed between the cathode plate and the anode plate, an electrode tab extending from the electrode assembly, and a pouch case to receive the electrode assembly, including an upper pouch and a lower pouch, and having a coupling hole formed at an outer peripheral area passing through in a vertical direction, and a cooling pin coupled with the pouch-type secondary battery by the coupling hole. According to the present disclosure, there is an effect of fixing a plurality of pouch-type secondary batteries to the cooling pin without a cartridge for holding the pouch-type secondary batteries.
Systems and methods for warming batteries
Systems and methods for warming batteries are generally disclosed. According to one aspect, a system for warming a battery includes one or more rectifiers each having an input for receiving an input voltage and an output configured to provide an output voltage to a load. The system also includes at least one battery having an input for receiving an input voltage to charge the battery. The battery is coupled to the load and configured to provide an output voltage to the load. The system also includes a controller coupled to the battery and configured to raise the output voltage of the battery above the output voltage of the one or more rectifiers so that current flows from the battery, thereby warming the battery.
Incorporating reference electrodes into battery pouch cells
Some lithium-ion batteries are assembled using a plurality of electrically interconnected battery pouches to obtain the electrical potential and power requirements of the battery application. In this disclosure, such battery pouches are prepared to contain a stacked grouping of inter-layered and interconnected anodes, cathodes, and separators, each wetted with a liquid electrolyte. A pair of reference electrodes is combined in a specific arrangement with other cell members to enable accurate assessment of both anode group and cathode group performance, and to validate and regenerate reference electrode capability.
Stepped electrode assembly including stepped unit cell
There is provided a stepped electrode assembly including: a first electrode stack including at least one first unit cell, the first unit cell including at least one positive electrode and at least one negative electrode having the same area and being alternately stacked in a vertical direction with a separator disposed therebetween; and a second unit cell including at least one positive electrode and at least one negative electrode that are alternately stacked in the vertical direction with a separator disposed therebetween, the second unit cell disposed on a side of the first electrode stack with a separator disposed therebetween, wherein the second unit cell includes a first area electrode having the same area as an electrode area of the first electrode stack and a second area electrode having an area different from the area of the first area electrode, wherein the second unit cell is a stepped unit cell including a stepped portion formed by an area difference between the first and second area electrodes.
Sulfide solid electrolyte material, battery, and producing method for sulfide solid electrolyte material
The problem is to provide a sulfide solid electrolyte material with favorable Li ion conductivity in a low-temperature environment. The problem is overcome by providing a sulfide solid electrolyte material comprising an M1 element (such as an Li element and an Mg element), an M2 element (such as a Ge element and a P element) and a S element, wherein the sulfide solid electrolyte material has a peak at a position of 2θ=29.58°±0.50° in X-ray diffraction measurement using a CuKα ray, does not have a peak at a position of 2θ=27.33°±0.50° or slightly having the peak, and a substituted amount δ(%) of the divalent element in the M1 element is in such a range that the sulfide solid electrolyte material exhibits higher Li ion conductance at 0° C. than the case of δ=0.
Low temperature sulfur and sodium metal battery for grid-scale energy storage application
A re-chargeable battery comprising a non-dendrite forming sodium (Na)/potassium (K) liquid metal alloy anode, a sulfur and polyacrylonitrile (PAN) conductive polymer composite cathode, a polyethyleneoxide (PEO) solid electrolyte, a solid electrolyte interface (SEI) formed on the PEO solid electrolyte; and a cell housing, wherein the anode, cathode, and electrolyte are assembled into the cell housing with the PEO solid electrolyte disposed between the cathode and anode.
Proton conductor, method for producing proton conductor, and fuel cell
A proton conductor includes a coordination polymer having stoichiometrically metal ions, oxoanions, and proton coordinating molecules capable of undergoing protonation or deprotonation. The coordination polymer including coordination entities that are repeatedly coordinated to bond the coordination entities with one another. Each coordination entity is either a first coordination entity or a second coordination entity. The first coordination entity is one metal ion of the metal ions coordinated with either at least one oxoanion of the oxoanions or at least one proton coordinating molecule of the proton coordinating molecules. The second coordination entity is the metal ion coordinated with each of at least one oxoanion of the oxoanions and at least one proton coordinating molecule of the proton coordinating molecules. At least a part of the proton conductor is non-crystalline. The proton conductor has high ion conductivity at high temperature.
Valve device and system for controlling air flow of fuel cell stack
A valve device for controlling an air flow of a fuel cell stack includes: a housing connected to the fuel cell stack and including a plurality of manifolds formed therein; a disk rotatably provided in the housing to control the air flow of the fuel cell stack; and a central shaft provided at the center of the housing to rotate the disk.
Device and method for monitoring dryness of fuel cell stack
A device and a method for monitoring dryness of a fuel cell stack can accurately determine whether the fuel cell stack is dry or not, to ensure smooth operation and performance of the fuel cell stack during operation of a fuel cell vehicle. The device includes a voltage sensing unit that monitors voltage of the fuel cell stack in real time; a current sensing unit that monitors current of the fuel cell stack in real time; a counting unit that compares the monitored voltage with a standard current-voltage performance curve; and a stack dryness determining unit that determines that the fuel cell stack is dry when a count determined by the counting unit is a standard level or more.
System and method for diagnosing state of fuel cell stack and controlling fuel cell system
A system and method for diagnosing the state of a fuel cell stack are provided. The method includes simultaneously applying currents having respective first and second frequencies to a fuel cell stack and computing Fourier transforms of output currents and voltages from the fuel cell stack based on the applied currents. A real part of a first frequency impedance and an imaginary part of a second frequency impedance are calculated using amplitudes and phases of currents and voltages having the first frequency and the second frequency among the computed output currents and voltages. Further, a state of the fuel cell stack is determined by magnitude of the calculated real part of the first frequency impedance and by magnitude of the calculated imaginary part of the second frequency impedance.
A valve device includes a body, a solenoid valve accommodated in an accommodation hole of the body, and a joint member fixed to the body. The solenoid valve includes: a sleeve having a tubular shape and fitted in the accommodation hole, and including an introduction passage and a delivery passage; and a valve element configured to open and close the passages. A U-seal is disposed between an outer wall surface of the sleeve and an inner wall surface of the accommodation hole. The body has an attachment hole that is located downstream of the delivery passage of the sleeve and opens on an outer surface of the body. The joint member including a backflow reduction valve is fixed to the attachment hole.
Fuel cell system and control method thereof
A fuel cell system includes a fuel cell, a first combustor, a second combustor, a first heating gas return channel, a second heating gas return channel and a gas supplier. The fuel cell includes a solid electrolyte cell with an anode and a cathode. The first combustor supplies a heating gas to the cathode. The second combustor supplies a heating gas to the anode. The first heating gas return channel is arranged to mix at least some exhaust gas discharged from the cathode with the heating gas from the first combustor. The second heating gas return channel is arranged to mix at least some exhaust gas discharged from the cathode with the heating gas from the second combustor. The gas supplier is connected to the first heating gas return channel for supplying the exhaust gas from the cathode to mix with the heating gas of the first combustor.
Battery having electrode structure including metal fiber and preparation method of electrode structure
The present invention relates to a battery having an electrode structure using metal fiber and a preparation method of an electrode structure. A preparation method of an electrode structure, according to one embodiment of the present invention, includes a step for providing one or more metal fibers forming a conductive network; a step for providing particle compositions including electrical active materials of a particle shape; a step for mixing the metal fibers and the particle compositions; and a step for compressing the mixed metal fibers and the particle compositions.
Power storage device
A power storage device including a positive electrode in which a positive electrode active material is formed over a positive electrode current collector and a negative electrode which faces the positive electrode with an electrolyte interposed therebetween is provided. The positive electrode active material includes a first region which includes a compound containing lithium and one or more of manganese, cobalt, and nickel; and a second region which covers the first region and includes a compound containing lithium and iron. Since a superficial portion of the positive electrode active material includes the second region containing iron, an energy barrier when lithium is inserted into and extracted from the surface of the positive electrode active material can be decreased.
Positive electrode active material for non-aqueous electrolyte secondary battery having rare earth hydroxide and/or oxyhydroxide
In a non-aqueous electrolyte secondary battery including a positive electrode 1, a negative electrode 2 and a non-aqueous electrolyte, a positive electrode active material wherein a particle of at least one compound selected from Er hydroxide, Er oxyhydroxide, Yb hydroxide, Yb oxyhydroxide, Tb hydroxide, Tb oxyhydroxide, Dy hydroxide, Dy oxyhydroxide, Ho hydroxide, Ho oxyhydroxide, Tm hydroxide, Tm oxyhydroxide, Lu hydroxide, and Lu oxyhydroxide is dispersed and adhered on a surface of a positive electrode active material particle containing Li is used.
Power battery cap structure and power battery
A power battery cap structure and a power battery are provided in the present invention. The power battery cap structure includes a first terminal, a second terminal and a cap assembly; both the first terminal and the second terminal are provided on the cap assembly, and the second terminal is electrically insulated from the cap assembly. The power battery cap structure further includes a resistance attached to the first terminal and electrically connected the first terminal with the cap assembly. The cap assembly includes a cap sheet, a first short circuit part and a second short circuit part; the first short circuit part and the second short circuit part are attached to the cap sheet and configured to act upwards when pressure inside the power battery increases so that the first terminal and the second terminal are electrically connected to form a protection loop; and the first short circuit part and the resistance are connected in parallel when the protection loop is formed. With the technical solution of the present invention, a separate protection loop can be formed in a power battery respectively in the cases of overcharge and nailing abuses, thereby efficiently protecting the power battery.
Battery routing electric wire and wire harness
A battery routing electric wire is routed between a battery having an alkaline electrolytic solution and a device. The battery routing electric wire includes: a conduction portion formed of a single wire; and a cover portion that covers the conduction portion and is made of polyvinyl chloride.
An electrochemical device includes a power generating element, an outer package, a current collector, and a movement restricting member. The power generating element includes a main portion and a terminal portion. The main portion includes an electrode prepared by forming an active material layer on a metal foil surface of the electrode. The terminal portion is provided on a side of the main portion. The outer package houses the power generating element. The current collector is connected to the terminal portion of the power generating element. The movement restricting member includes a holding portion arranged between the side of the main portion of the power generating element and an inner surface of the outer package opposite the side of the main portion.
Traction battery assembly
A traction battery assembly includes first and second arrays each having cells with terminals on a terminal side of the array. The arrays are arranged with the terminal sides facing each other. A thermal plate is disposed between the arrays and is in contact with the terminal sides. A busbar mechanically and electrically connects a terminal of a cell in the first array to a terminal of a cell in the second array.
A battery stack includes a plurality of battery packs and a plurality of spacers. The battery pack each has a case and a sealing plate. The sealing plate is fitted to an inner peripheral surface of an opening of the case. Each of the plurality of spacers is arranged at the center of a flat surface on each side of the battery pack, and a contour of a contact region of the spacer with the flat surface is smaller than a contour of the flat surface of the battery pack. The plurality of spacers and the plurality of battery packs are alternately stacked. The plurality of spacers and the plurality of battery packs are applied with a load in a stacking direction. The center of the flat surface of the battery pack is recessed in a shape of a contour of the spacer by the load.
Method of manufacturing light-emitting display device
Provided is a method of manufacturing a light-emitting display device. The method of manufacturing a light-emitting display device may comprise: forming a first electrode on a substrate, the substrate having a plurality of first pixel areas and a plurality of second pixel areas, the first electrode being formed in each of the first and second pixel areas such that corresponding first and second pixels are formed; forming a pixel defining layer on the substrate, the pixel defining layer having an opening exposing the first electrode of each of the first and second pixels; forming a first photoresist pattern on the pixel defining layer, the first photoresist pattern having a first pattern opening exposing the first electrode of each of the first pixels; forming a light-emitting layer on the first electrode exposed through the first pattern opening; and removing the first photoresist pattern.
Arrangement of sealing materials for display device
A light emitting device having a structure in which oxygen and moisture are prevented from reaching light emitting elements, and a method of manufacturing the same, are provided. Further, the light emitting elements are sealed by using a small number of process steps, without enclosing a drying agent. The present invention has a top surface emission structure. A substrate on which the light emitting elements are formed is bonded to a transparent sealing substrate. The structure is one in which a transparent second sealing material covers the entire surface of a pixel region when bonding the two substrates, and a first sealing material (having a higher viscosity than the second sealing material), which contains a gap material (filler, fine particles, or the like) for protecting a gap between the two substrates, surrounds the pixel region. The two substrates are sealed by the first sealing material and the second sealing material. Further, reaction between electrodes of the light emitting elements (cathodes or anodes) and the sealing materials can be prevented by covering the electrodes with a transparent protective layer, for example, CaF2, MgF2, or BaF2.
A display device is provided including a display region arranged with a plurality of pixels, and a first sealing region arranged in an exterior periphery part of the display region, the display region includes an individual pixel electrode arranged in each of the plurality of pixels, a common pixel electrode arranged in upper layer of the individual pixel electrode and in succession to the plurality of pixels, and a light emitting layer arranged between the individual pixel electrode and the common pixel electrode, and the first sealing region includes a sealing layer arranged on a lower layer than the common pixel electrode and a region stacked with the common pixel electrode extending from the display region, the stacked region being enclosed by the display region.
Organic EL display
An organic electro-luminescent (EL) display can have a reduced optical loss and high efficiency, and can be manufactured by an inexpensive method. The organic EL display can be formed by bonding an organic EL element substrate including a substrate, reflective electrode, organic EL layer, separation wall, barrier layer, transparent electrode, and color conversion layer; and a sealing substrate together, wherein: the reflective electrode includes a plurality of partial electrodes; the organic EL layer is formed on the reflective electrode and includes a plurality of parts separated by the separation wall; the transparent electrode is formed on the organic EL layer; the barrier layer covers the separation wall and the transparent electrode, and has a recessed part in a location corresponding to the reflective electrode; and the color conversion layer is formed in the recessed part.
Organic electroluminescent element and method for manufacturing the same
The present invention provides a multi-photon-type organic electroluminescent element including a charge generation layer using a material that is difficult to be degraded even at around normal atmospheric pressure. In an organic electroluminescent element (10) including a pair of electrodes consisting of an anode (32) and a cathode (34), a plurality of light-emitting layers (50) provided between the electrodes, and a charge generation layer (70) provided between the light-emitting layers adjacent to each other, the charge generation layer contains an ionic polymer generating at least any one of an electron and a hole.
Organic EL element, and organic EL element manufacturing method
An organic EL element 1 according to one embodiment of the present invention is an organic EL element comprising: a continuous first electrode 20; a continuous second electrode 70; and a light emitting layer 50 arranged between the first electrode 20 and the second electrode 70, wherein the light emitting layer 50 has two light emitting regions 51, 52 and wherein the two light emitting regions 51, 52 are different in at least one of emission color and emission luminance.
Organic light-emitting devices
An organic light-emitting device including a first electrode; a second electrode opposite to the first electrode; an emission layer between the first electrode and the second electrode; and a hole transport region between the first electrode and the emission layer, wherein the emission layer includes at least one organometallic compound represented by Formula 1; and wherein the hole transport region includes at least one selected carbazole-based compound represented by Formula 2:
Light-emitting element, light-emitting device, electronic appliance, and lighting device
A light-emitting element in which a light-emitting layer contains an organic compound capable of emitting phosphorescence is provided. A light-emitting element which can have low driving voltage, high current efficiency, or a long lifetime is provided. In a light-emitting element in which a light-emitting layer is interposed between a pair of electrodes, the light-emitting layer contains an organic compound. The organic compound has a 1,2,4-triazole skeleton, a phenyl skeleton, an arylene skeleton, and a Group 9 metal or a Group 10 metal. The nitrogen atom at the 4-position of the 1,2,4-triazole skeleton coordinates to the Group 9 metal or the Group 10 metal. The nitrogen atom at the 1-position of the 1,2,4-triazole skeleton is bonded to a phenyl skeleton. The arylene skeleton is bonded to the 3-position of the 1,2,4-triazole skeleton and the Group 9 metal or the Group 10 metal.
A light-emitting element includes a light-emitting layer including a guest, an n-type host and a p-type host between a pair of electrodes, where the difference between the energy difference between a triplet excited state and a ground state of the n-type host (or p-type host) and the energy difference between a triplet excited state and a ground state of the guest is 0.15 eV or more. Alternatively, in such a light-emitting element, the LUMO level of the n-type host is higher than the LUMO level of the guest by 0.1 eV or more, or the HOMO level of the p-type host is lower than the HOMO level of the guest by 0.1 eV or more.
Organic semiconductor composition comprising organic semiconductor material and polymer compound
An object of the present invention is to provide an organic semiconductor composition, which improves the insulation reliability of an organic thin-film transistor without greatly reducing the mobility of the organic thin-film transistor, an organic thin-film transistor which is prepared by using the organic semiconductor composition, and electronic paper and a display device which use the organic thin-film transistor. The organic semiconductor composition of the present invention contains an organic semiconductor material (A) and a polymer compound (B) containing a repeating unit represented by the following Formula (B).
Curable polymeric materials and their use for fabricating electronic devices
Disclosed are curable linear polymers that can be used as active and/or passive organic materials in various electronic, optical, and optoelectronic devices. In some embodiments, the device can include an organic semiconductor layer and a dielectric layer prepared from such curable linear polymers. In some embodiments, the device can include a passivation layer prepared from the linear polymers described herein. The present linear polymers can be solution-processed, then cured thermally (particularly, at relatively low temperatures) and/or photochemically into various thin film materials with desirable properties.
Semiconductor device and method for producing a semiconductor device
A semiconductor device includes first pillar-shaped semiconductor layers, a first gate insulating film formed around the first pillar-shaped semiconductor layers, gate electrodes formed around the first gate insulating film, gate lines connected to the gate electrodes, a second gate insulating film formed around upper portions of the first pillar-shaped semiconductor layers, first contacts formed of a first metal material and formed around the second gate insulating film, second contacts formed of a second metal material and connecting upper portions of the first contacts and upper portions of the first pillar-shaped semiconductor layers, diffusion layers formed in lower portions of the first pillar-shaped semiconductor layers, pillar-shaped insulator layers formed on the second contacts, variable-resistance films formed around upper portions of the pillar-shaped insulator layers, and lower electrodes formed around lower portions of the pillar-shaped insulator layers and connected to the variable-resistance films.
Method of manufacturing perpendicular MTJ device
An embodiment of the present invention is a method of manufacturing a perpendicular MTJ device which includes: a first stacked structure including a pair of CoFeB layers sandwiching an MgO layer; and a second stacked structure including a multilayer, the method comprising the steps of: forming one of the first and second stacked structures on a substrate; inspecting a property of the substrate with the one of the first and second stacked structures formed thereon while exposing the substrate to the atmosphere; and forming another one of the first and second stacked structures on the substrate with the one of the first and second stacked structures formed thereon.
Spin current devices and methods of fabrication thereof
Pure spin current devices are provided. The devices include sandwich structures of metal/magnetic insulator/metal. A first current injected in a first metal layer generates a pure spin current. The spin current can be switched between “on” and “off” states by controlling an in-plane magnetization orientation of the magnetic insulator. In the “on” state, the pure spin current is transmitted from the first metal layer to the second metal layer, through the magnetic insulator layer. The pure spin current in the second metal layer induces generation of a second charge current. In the “off” state, the pure spin current is absorbed at the interface between the first metal layer and the metal insulator. Such structures can serve as pure spin current valve devices or provide analog functionality, as rotating the in-plane magnetization provides analog sinusoidal modulation of the spin current.
Self-powered generator, method of fabricating the same and piezoelectric enery-harvesting device using the generator
A self-powered generator is provided. The generator includes a piezoelectric nanorod member layer that includes a first layer; a second layer; and a plurality of piezoelectric nanorods disposed between the first and second layers. The piezoelectric nanorod is a biaxially-grown nanorod. When mechanical energy is applied from an outside, an upper half and a lower half of each of the plurality of piezoelectric nanorods generate piezoelectric potentials having opposite polarities, the upper half and the lower half being on both sides of a longitudinal axis along an axis perpendicular to the longitudinal axis.
Integrated thermoelectric-powered fluid heat exchanger
A fluid heat exchanger has an impeller assembly with first and second impeller bodies mated together, each having a substantially circular shape and at least one opening therethrough. Impeller vanes extend transversely from the first impeller body and away from the second impeller body. Impeller vanes extend transversely from the second impeller body away from the first impeller body. A thermoelectric module is disposed between the first impeller body and the second impeller body. Heat sinks are connected to each side of the thermoelectric module and extend through at least one opening in the first and second impeller bodies, where the impeller vanes are configured to move a fluid through the heat sinks during rotation of the first and second impeller bodies. Electrically-conductive windings disposed in the impeller assembly are configured to deliver induced electric current to the one or more thermoelectric modules.
Light emitting device package
Embodiments relate to a light emitting device package including a first lead frame and a second lead frame spaced apart from each other, a light emitting device disposed on the first lead frame, a reflecting part disposed on the first lead frame and the second lead frame and a light transmitting part including a lower end part disposed on the reflecting part, the first lead frame and the second lead frame and an upper end part disposed on the lower end part. The upper end part has a side surface vertically aligned with a location of a sidewall between upper and lower ends of the reflecting part.
Provided is a lighting device, comprising: a light source module comprising: at least one light source disposed on a printed circuit board; and a resin layer disposed on the printed circuit board so that the light source is embedded; a light reflection member formed on at least any one of one side surface and another side surface of the resin layer; and a diffusion plate having an upper surface which is in contact with an upper part of the light source module, and a side wall which is integrally formed with the upper surface and formed to extend in a lower side direction and which is adhered to the light reflection member, whereby flexibility of the product itself can be secured, and durability and reliability of the product can be also improved.
Light-emitting device package and light-emitting module including the same
Embodiments provide a light-emitting device package including a light source, a lens disposed on the light source, and a diffuser located on at least one of the interior of the lens or a light emission surface of the lens, so as to diffuse light. The diffuser includes at least one of a light dispersing agent distributed in the interior of the lens, or at least one light diffusion structure located on at least one of the outside or the inside of the light emission surface of the lens. The light diffusion structure includes a rough surface formed on the light emission surface of the lens.
LED package having mushroom-shaped lens with volume diffuser
According to some embodiments of the invention, a light-emitting device package includes a body including top and bottom surfaces and a cavity in the body, the cavity extending from the top surface towards the bottom surface and having a floor. The light-emitting device package also includes a plurality of LED (light-emitting-diode) dies disposed on the floor of the cavity. A socket is formed over the plurality of LED dies. The socket includes a top surface, a socket sidewall, and a bottom surface, the socket sidewall disposed between the top surface and the bottom surface of the socket. A lens is disposed over the over the socket. The lens includes two or more optical materials with different indices of refraction. The lens includes a cap and a plug. The cap has an upper surface and a lower surface, and the plug has a lower surface and a plug sidewall between the lower surface of the plug and the lower surface of the cap.
Lighting device including quantum dots
A lighting device including an emissive material comprising quantum dots and a liquid medium disposed within a sealed container with at least a portion of a light guiding member disposed within the sealed container. Products including a lighting device in accordance with the invention are also disclosed.
Light emitting device and method of manufacturing the same
There is provided a light emitting device including a light emitting element, a covering member for covering a side surface of the light emitting element, and a light-transmissive member disposed on upper surfaces in a light emitting direction of the light emitting element and the covering member and having an end face on substantially the same plane as an end face of the covering member, wherein the covering member has a recess portion or a convex portion on the upper surface, a light emitting surface of the light emitting element and an upper surface other than the recess portion or the convex portion of the covering member are arranged on substantially the same plane, and the light-transmissive member is provided in contact with the recess portion or the convex portion.
Method for manufacturing light-emitting device
The method for manufacturing a light-emitting device includes flip-chip mounting a first light-emitting element and a second light-emitting element on a substrate separately from each other, bonding a first light-transmissive member to the first light-emitting element, the first light-transmissive member having a first lateral surface, and bonding a second light-transmissive member to the second light-emitting element, the second light-transmissive member having a second lateral surface, with the second lateral surface being separated from and facing the first lateral surface, scraping at least one of the first lateral surface and the second lateral surface to expose at least one of a modified first lateral surface and a modified second lateral surface, forming a light-reflective covering member on the substrate to cover the first lateral surface or the modified first lateral surface, and the second lateral surface or the modified second lateral surface, and cutting the substrate and the covering member between the first lateral surface or the modified first lateral surface, and the second lateral surface or the modified second lateral surface.
Phosphor, producing method thereof and light-emitting device employing the phosphor
The embodiment of the present disclosure provides a phosphor improved in the emission intensity maintenance ratio without impairing the emission intensity. The phosphor is a silicofluoride phosphor and shows an IR absorption spectrum satisfying the conditions of 0≤I2/I1≤0.01 and 6.7≤(I3/I1)/CMn. In those conditional formulas, I1, I2 and I3 are intensities of the maximum peaks in the ranges of 1200 to 1240 cm−1, 3570 to 3610 cm−1 and 635 to 655 cm−1, respectively, and CMn is a weight percent of Mn contained the phosphor.
Wavelength conversion film and light emitting device package including the same
A wavelength conversion film is provided and may include a first layer including a wavelength conversion material and an encapsulant encapsulating the wavelength conversion material, and a second layer attached to the first layer and having a refractive index less than a refractive index of the encapsulant and greater than a refractive index of air.
LED package with red-emitting phosphors
A process for fabricating a LED lighting apparatus includes disposing a composite coating on a surface of a LED chip. The composite coating comprises a first composite layer having a manganese doped phosphor of formula I and a first binder, and a second composite layer comprising a second phosphor composition and a second binder. The first binder, the second binder or both include a poly(meth)acrylate. Ax[MFy]:Mn4+ (I) wherein A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Hf, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; x is the absolute value of the charge of the [MFy] ion; y is 5, 6 or 7.
Deep ultraviolet LED and method for manufacturing the same
Provided is a deep ultraviolet LED with a design wavelength λ, including an Al reflecting electrode layer, an ultrathin metal layer, and a transparent p-AlGaN contact layer that are sequentially arranged from a side opposite to a substrate, and a photonic crystal periodic structure provided in the range of the thickness direction of the transparent p-AlGaN contact layer. The photonic crystal periodic structure has a photonic band gap.
Light-emitting diode package and method of manufacturing the same
Disclosed herein is a light-emitting diode (LED) package in accordance with an embodiment of the present invention, which includes an LED configured to provide light of a wavelength having a specific region, a circuit board electrically connected to the LED through bonding pads formed at the bottom of the LED, a phosphor layer formed as a cap, disposed to surround sides and a top of the LED, and configured to have sides and top thereof formed to a uniform thickness, and a buffer layer disposed between the top of the LED and a bottom of the phosphor layer and configured to suppress heat, generated from the top of the LED, from being transferred to the bottom of the phosphor layer and to prevent a bottom of the phosphor layer from being deviated from the top of the LED.
Semiconductor stack and semiconductor device
A semiconductor stack includes a substrate composed of a III-V group compound semiconductor, a buffer layer that is arranged on the substrate and that is composed of a III-V group compound semiconductor, and an active layer that is arranged on the buffer layer and that includes a layer composed of a III-V group compound semiconductor containing Sb as a group V element. A region of the buffer layer including a main surface of the buffer layer adjacent to the substrate includes a high-concentration region having a high total concentration of Si and C compared with another adjacent region.
Interdigitated back contact metal-insulator-semiconductor solar cell with printed oxide tunnel junctions
Screen-printable metallization pastes for forming thin oxide tunnel junctions on the back-side surface of solar cells are disclosed. Interdigitated metal contacts can be deposited on the oxide tunnel junctions to provide all-back metal contact to a solar cell.
Edge reflector or refractor for bifacial solar module
One embodiment relates to a bifacial photovoltaic module having an edge reflector. The module includes a plurality of solar cells in an array, each solar cell having a front side and a back side. A reflector is configured on an edge of the array of solar cells, the first reflector being configured to reflect light onto the front side of a row of solar cells adjacent to the edge. Another embodiment relates to a method of reducing non-uniformity of power generation from a bifacial photovoltaic module. Electrical current produced from solar cells along at least one edge of the array is increased by using a reflective strip facing towards the front side of the solar cells along the edge. Another embodiment relates to a bifacial photovoltaic module having an edge refractor. Other embodiments and features are also disclosed.
Photoelectric conversion device, manufacturing method thereof, and photoelectric conversion module
A photoelectric conversion device includes an n-type semiconductor layer and a p-type semiconductor layer, a collecting electrode formed on the n-type semiconductor layer, and a collecting electrode formed on the p-type semiconductor layer, on a back surface opposite to a light receiving surface of an n-type crystalline silicon substrate, and an n-type semiconductor region on a surface on a light receiving surface side of the n-type crystalline silicon substrate, wherein in the n-type semiconductor region, an n-type semiconductor region that is opposed to the n-type semiconductor layer with the n-type crystalline silicon substrate therebetween and an n-type semiconductor region that is opposed to the p-type semiconductor layer with the n-type crystalline silicon substrate therebetween have different average impurity concentrations.
Quantum cascade detector
A quantum cascade detector includes a semiconductor substrate; an active layer having a cascade structure; a lower cladding layer provided between the active layer and the substrate and having a lower refractive index than the active layer; a lower metal layer provided between the lower cladding layer and the substrate; an upper cladding layer provided on an opposite side to the substrate with respect to the active layer and having a lower refractive index than the active layer; and an upper metal layer provided on an opposite side to the active layer with respect to the upper cladding layer. A first end face being in a waveguide direction in a waveguide structure with the active layer, lower cladding layer, and upper cladding layer is an entrance surface for light to be detected.
Electrical and optical via connections on a same chip
The present disclosure relates to semiconductor structures and, more particularly, to electrical and optical via connections on a same chip and methods of manufacture. The structure includes an optical through substrate via (TSV) comprising an optical material filling the TSV. The structure further includes an electrical TSV which includes a liner of the optical material and a conductive material filling remaining portions of the electrical TSV.
Synthesis of three-dimensional graphene foam: use as supercapacitors
The invention relates to three-dimensional crystalline foams with high surface areas, high lithium capacity, and high conductivity for use as electrode materials and methods for their fabrication. In additional embodiments, the invention also relates to the use of three-dimensional crystalline foams as supercapacitors for improved charge and energy storage.
Super-junction schottky diode
The present invention relates to the field of semiconductor technology, particularly to a super-junction schottky diode. According to the present invention, the effective area of schottky junction is increased by forming the schottky junction in the trench located in the body of the device. Therefore, the current capacity of this novel schottky diode can be greatly improved. In addition, a super-junction structure is used to improve the device's reverse breakdown voltage and reduce the reverse leakage current. The super-junction schottky diode provided in the present invention can achieve a larger forward current, a lower on-resistance and a better reverse breakdown characteristic.
Thin film transistor and fabrication method thereof, array substrate and display
Embodiments of the disclosure provide a thin film transistor and a fabrication method thereof, an array substrate and a display. The thin film transistor comprises a gate electrode, a gate insulating layer, an active layer, a source electrode and a drain electrode. The active layer comprises a first active layer and a second active layer; and the first active layer is arranged close to the gate insulating layer, and the second active layer is arranged close to the source electrode and the drain electrode. A carrier mobility of the first active layer is greater than that of the second active layer.
Semiconductor device and method for manufacturing the same
A highly reliable semiconductor device exhibiting stable electrical characteristics is provided. Further, a highly reliable semiconductor device is provided. Oxide semiconductor films are stacked so that the conduction band has a well-shaped structure. Specifically, a transistor having a multi-layer structure is manufactured in which a second oxide semiconductor film having a crystalline structure is stacked over a first oxide semiconductor film, and at least a third oxide semiconductor film is provided over the second oxide semiconductor film. When a buried channel is formed in the transistor, few oxygen vacancies are generated and the reliability of the transistor is improved.
Thin-film transistor, method for fabricating thin-film transistor, and display device
Methods of fabricating a thin-film transistor are provided. The methods include forming a gate electrode above a substrate, a gate insulating layer above the gate electrode, a non-crystalline silicon layer above the gate insulating layer, and a channel protective layer above the non-crystalline silicon layer. The non-crystalline silicon layer and the channel protective layer are processed to form a projecting part. The projecting part has an upper layer composed of the channel protective layer and a lower layer composed of the non-crystalline silicon layer. The projecting part and portions of the non-crystalline silicon layer on sides of the projecting part are irradiated with a laser beam to crystallize at least the non-crystalline silicon layer in the projecting part. An absorptance of the non-crystalline silicon layer for the laser beam is greater in the projecting part than in the portions on the sides of the projecting part.
Apparatus and methods of forming fin structures with asymmetric profile
An embodiment includes a microelectronic device comprising: a substrate comprising a raised portion and a non-raised portion, wherein a dielectric material is disposed adjacent the raised portion, an epitaxial sub-fin structure disposed on the raised portion, wherein a bottom portion of the epitaxial sub-fin structure comprises an asymmetric profile, and an epitaxial fin device structure disposed on the sub-fin structure. Other embodiments are described herein.
Fin structure of FinFET
A fin structure disposed over a substrate and a method of forming a fin structure are disclosed. The fin structure includes a mesa, a channel disposed over the mesa, and a convex-shaped feature disposed between the channel and the mesa. The mesa has a first semiconductor material, and the channel has a second semiconductor material different from the first semiconductor material. The convex-shaped feature is stepped-shaped, stair-shaped, or ladder-shaped. The convex-shaped feature includes a first isolation feature disposed between the channel and the mesa, and a second isolation feature disposed between the channel and the first isolation feature. The first isolation feature is U-shaped, and the second isolation feature is rectangular-shaped. A portion of the second isolation feature is surrounded by the channel and another portion of the second isolation feature is surrounded by the first isolation feature.