Mounted substrate, mounted-substrate production method, and mounted-substrate production device
An array substrate includes a driver, a glass substrate having a driver mounting section where the driver is mounted, an anisotropic conductive material that is interposed between the driver and driver mounting section so as to electrically connect both and that at least includes a binder made of a thermosetting resin and conductive particles in the binder, and a heat supply part provided on at least the driver mounting section of the glass substrate for supplying heat to the anisotropic conductive material.
Information handling system thermal management enhanced by estimated energy states
Thermal conditions at processing components disposed in an information handling system are estimated by applying conservation of energy and component power consumption so that discrete control of information handling system exhaust temperatures is more accurately maintained. For example, a PCI backplane communications card has its power consumption estimated based upon its width so that air flow through the information handling system is adequate to meet an exhaust temperature constraint.
Electronics rack with selective engagement of heat sink
An electronics rack comprising a frame, a heat sink coupled to the frame, and a cage adapted to support an electronic component. The cage is movable between first and second positions toward and away from the heat sink. The rack further includes an eccentric cam operatively positioned between the frame and the cage and being rotatable to move the cage between the first and second positions. In one embodiment, the cage comprises a cooling brick movable toward and away from the heat sink when the cage moves between the first and second positions. The cooling brick can include a first heat pipe extending generally in a first direction and a second heat pipe extending generally in a second direction transverse to the first direction. For example, the first heat pipe can be embedded in a top plate and the second heat pipe can be embedded in a top cold rail.
Passive two-phase cooling with forced cooling assist
Techniques that facilitate two-phase liquid cooling electronics are provided. In one example, a system comprises a pump and a valve. The pump circulates a coolant refrigerant through a two-phase refrigerant system associated with an electronic component. The valve controls a flow path of the coolant refrigerant that flows through the two-phase refrigerant system. Furthermore, the valve modifies the flow path of the coolant refrigerant through the two-phase refrigerant system in response to a determination that an operation of the pump satisfies a defined criterion.
Liquid cooling system for server
A method of cooling a computer server that includes a plurality of server modules, and is positioned in an enclosed room, includes transferring heat generated by a server module of the plurality of server modules to a hot plate of a liquid cooling system. The liquid cooling system may be positioned within the server module, and the hot plate may have a surface exposed to the enclosed room. The method may also include positioning a cold plate of a room-level cooling system in thermal contact with the hot plate. The method may also include directing a cooling medium through the room-level cooling system to transfer heat from the hot plate to a cooling unit positioned outside the room.
Cold plate device for a two-phase cooling system
Techniques that facilitate two-phase liquid cooling of an electronic device are provided. In one example, an apparatus, such as a cold plate device, comprises a first stackable layer and a second stackable layer. The first stackable layer comprises a first channel formed within the first stackable layer. The first channel comprises a first channel length and the first channel receives a coolant fluid via an inlet port of the apparatus. The second stackable layer comprises a second channel that provides a path for the coolant fluid to flow between the first channel and an outlet port of the apparatus. The second channel comprise a second channel length that is different than the first channel length.
Fan speed control device
A control device for a ceiling fan may have a motor drive circuit configured to control a rotational speed of a motor of the ceiling fan, an occupancy sensing circuit, and a control circuit configured to adjust the rotational speed of the motor in response to a detected occupancy or vacancy condition. The control circuit may process the signals generated by the occupancy sensing circuit to eliminate the effects of vibrations and/or wobbling of the ceiling fan. The control circuit may control the motor drive circuit to adjust the rotational speed of the motor in response to an accelerometer to minimize the magnitude of the wobble of the ceiling fan. The control circuit may be configured to learn a preferred rotational speed for the motor. The control circuit may also be configured to control the rotational speed of the motor to affect a thermal comfort level of an occupant.
Disclosed is a switch card assembly and chassis system, including a switch card housing, a latch base adjacent the switch card housing, the latch base including a pivot slot and a control slot, and the latch having a boundary with the chassis, a latch coupled to the latch base, the latch including a plurality of latch toes that move through the boundary of the latch base, and a plurality of pins attached to the latch and slideable within the plurality of slots, wherein the latch is rotated to lock and unlock the switch card housing in the chassis.
The present invention provides a power module including a substrate and a modular housing structure. The substrate includes an electronic element disposed thereon. The modular housing structure is disposed on the substrate and located around the electronic element. The modular housing structure includes a plurality of sidewalls configured to connect with each other detachably. Each sidewall includes two connecting elements disposed on two opposite ends thereof respectively. The two connecting elements of any one of the sidewalls are connected to two corresponding connecting elements of two adjacent sidewalls respectively. Consequently, the numbers and connections of the sidewalls are adjustable and varied according to the size of the substrate so as to avoid the waste of space and enhance the power density.
Dual in-line memory module connector
A dual in-line memory module (DIMM) connector can include a double data rate fourth generation (DDR4) DIMM connector to connect to a DIMM via a lowest notch of the DIMM relative to an electronic component on which the DIMM is located.
Inductance-based user interface elements
Mechanisms for providing inductance-based user interface elements are provided. Some implementations of such inductance-based devices may feature very small gaps between the housing and the inductive coil, as well as various features to aid in improving sensor sensitivity and reducing the possibility of false button-push events.
An electronic device includes a Printed Circuit Board (PCB), a housing, an inner cover, and an outer cover. The PCB mounts a first socket and a second socket thereon. The housing includes a first slot disposed to correspond to the first socket and a second slot disposed to correspond to the second socket. The housing receives the PCB. The inner cover opens/closes the first slot. The outer cover opens/closes the second slot. The first socket and the second socket are open toward the first slot and the second slot, respectively. When the outer cover is open, the inner cover is exposed and is in an openable state.
Electronic element support frame, electronic element assembly, and electrical assembly
The present disclosure discloses an electronic element support frame, an electronic element assembly, and an electrical assembly. The electronic element support frame has a body, an isolative wall, and a pair of retaining parts. The body has an axial direction. The isolative wall is arranged to continuously extend along the axial direction of the body. The pair of retaining parts are arranged on the body and disposed at two sides of the isolative wall, respectively. The retaining parts together with the isolative wall enclose a pair of accommodating parts, respectively. The accommodating parts extend continuously along the axial direction of the isolative wall to accommodate pins of the electronic element, respectively. The electronic element support frame of the present disclosure can avoid erroneous contact between the pins of the electronic element, thereby enhancing safety performance.
Display device and method of manufacturing the same
A display device includes a backlight unit generating a light and curved, a display panel curved while being disposed on the backlight unit and receiving the light to display an image, and a heat discharge bottom chassis fixing the backlight unit and the display panel to each other and curved. The backlight unit includes a light source unit generating the light and an optical member disposed on the light source unit. The heat discharge bottom chassis includes a light source unit accommodating part accommodating the light source unit, an optical member accommodating part accommodating the optical member and supporting the display panel, and a display panel accommodating part disposed on the optical member accommodating part and accommodating the display panel. The light source unit accommodating part, the optical member accommodating part, and the display panel accommodating part include a same material.
Hermetically-sealed packages including feedthrough assemblies
Various embodiments of a hermetically-sealed package and methods of forming such packages are disclosed. In one or more embodiments, the hermetically-sealed package can include a housing and a feedthrough assembly that forms a part of the housing. The feedthrough assembly can include a non-conductive substrate and a feedthrough. The feedthrough can include a via from an outer surface to an inner surface of the non-conductive substrate, a conductive material disposed in the via, and an external contact disposed over the via on the outer surface of the non-conductive substrate. The external contact can be electrically coupled to the conductive material disposed in the via. Further, the external contact can be hermetically sealed to the outer surface of the non-conductive substrate by a laser bond surrounding the via.
Method of producing a potted electronic module
A method is provided for producing an electronic module that includes an electronic assembly with a conductor which is arranged in a housing, and which includes an electrical contact guided out through the housing wall. In the method, a protective layer is removed from an area of the conductor by ablation, and then a potting or casting compound is introduced into the housing, so that the potting compound covers a location at which the electrical contact passes through the housing wall, and the potting compound adheres directly onto the exposed conductor at the area at which the protective layer was removed.
Utility vault interlocking lid seat
A vault system is provided that defines an enclosed volume to protect various electrical, water, communications and other components. The system comprises a lid to allow selective access to the contents in the enclosed volume of the vault. Over time, continued wear and tear on the lid of the vault can cause the lid to deflect inward and/or cause the body of the vault to deflect outward, which compromises the integrity of the vault. Interlock features, methods, and systems are provided transfer stress and strain between the lid and the vault, which maintain the integrity of the selective interconnection between the lid and the vault.
Electrical terminal and circuit board assembly containing the same
The present disclosure includes a circuit board assembly that may include a circuit board that may include a first side and a second side opposite from the first side. The circuit board assembly may include a female terminal inserted in the first side of the circuit board and an electrical component that may be disposed at the second side. The first electrical component may include a first male terminal extending through the circuit board into the first female terminal. A female electrical terminal may include an outer wall defining an internal space and a pair of prongs extending from the outer wall and at least partially within the internal space. The pair of prongs may be disposed at a vertical distance from the top of the outer wall.
Wiring board and method for manufacturing the same
A wiring board and a method for manufacturing the same enabling simple and easy formation of a conductive pattern are provided. The method comprises a transferring step of bringing a resin composition containing a first compound inducing a low surface free energy and a second compound inducing a higher surface free energy than the first compound into contact with a master on which a desired surface free energy difference pattern is formed and curing to obtain a base material to which the surface free energy difference pattern is transferred; and a conductive pattern forming step of applying a conductive coating composition onto a surface of pattern transfer of the base material to form a conductive pattern.
Multilayer ceramic capacitor having three external electrodes and board having the same
A multilayer ceramic capacitor may include three external electrodes disposed on a mounting surface of a ceramic body to be spaced apart from one another. When a length of the ceramic body is defined as L, and a width of an active region including a plurality of internal electrodes disposed therein in a width direction of the ceramic body is defined as A, A/L is in a range of 0.64 to 1.14 (0.64≤A/L≤1.14).
Microelectronic device attachment on a reverse microelectronic package
The present description relates to the field of fabricating microelectronic structures. The microelectronic structure may include a microelectronic substrate have an opening, wherein the opening may be formed through the microelectronic substrate or may be a recess formed in the microelectronic substrate. A microelectronic package may be attached to the microelectronic substrate, wherein the microelectronic package may include an interposer having a first surface and an opposing second surface. A microelectronic device may be attached to the interposer first surface and the interposer may be attached to the microelectronic substrate by the interposer first surface such that the microelectronic device extends into the opening. At least one secondary microelectronic device may be attached to the interposer second surface.
Flexible printed circuit board
A flexible printed circuit board is disclosed. In one aspect, the flexible printed circuit board includes a plurality of signal-transmitting lines formed in a signal-transmitting area and a plurality of first pads formed in a pad area adjacent to the signal-transmitting area and electrically connected to the signal-transmitting lines. The flexible printed circuit board also includes an adhesive-penetrating groove formed between two adjacent ones of the first pads. The adhesive-penetrating groove is formed in a length direction extending from the pad area to at least a portion of the signal-transmitting area.
Cyclic accelerator for accelerating charge carriers and method for manufacturing a cyclic accelerator
What is shown is a cyclic accelerator for accelerating charge carriers. The cyclic accelerator includes a charge carrier source configured to generate free charge carriers, a vacuum chamber configured to receive the free charge carriers, wherein the vacuum chamber is produced by means of MEMS technology, and wherein at least a main surface region of the vacuum chamber has a semiconductor material. In addition, the cyclic accelerator has electrodes configured to accelerate the free charge carriers in the vacuum chamber by means of an alternating current field, and a magnetic field generator configured to generate a magnetic field perpendicularly to the direction of movement of the charge carriers.
Systems and methods for controlling aquatic lighting using power line communication
In some embodiments of the disclosed subject matter, systems and methods for controlling aquatic lighting using power line communication are disclosed. In some embodiments, the system includes a lighting controller configured to receive power via an AC power line, the lighting controller comprising a light driver circuit configured to be coupled to at least one light source, a first power line modem configured to be connected to a local area network via a second powerline modem and the AC power line, and a processor that is configured to receive, from a user interface via the first power line modem, lighting data corresponding to a lighting selection specified by user input received by the user interface and cause the light driver circuit to drive the at least one light source to present the lighting selection based on the lighting data.
Light-emitting diode (LED) light sets
Apparatuses and systems are provided for changing the spectrum of light emission from a light-emitting diode (LED) light set. The LED light set may include LEDs, each of which having at least a first LED chip and a second LED chip configured to emit light at differing wavelengths. The first and second LED chips may be connected in series with opposite polarities. Responsive to receiving a power flow in a first direction from a power terminal, the first LED chip may emit light of a first color while the second LED chip may remain powered off. Responsive to receiving the power flow in a second direction opposite the first direction from the power source, the second LED chip may emit light of a second color different from the first color while the first LED chip may remain powered off.
Apparatus for supplying electrical energy to a consumer
The apparatus for supplying at least one consumer with electrical energy or for providing electrical power for at least one consumer from an on-board motor vehicle electrical system is provided with a control circuit, which is designed as an IC and has an input by means of which electrical energy can be supplied to the control circuit from the on-board motor vehicle electrical system, and having at least a first output and a second output, wherein a consumer can be supplied with electrical energy from the on-board motor vehicle electrical system by the control circuit by means of each of said two outputs, or the control circuit can provide electrical power for a consumer by means of said outputs, at least one external resistor, which is arranged outside the IC, for emitting possible lost electrical power outside the IC, wherein firstly the external resistor is connected to the second output of the control circuit, and secondly the consumer can be connected to the external resistor. The setpoint value for the electrical power of the consumer, which electrical power can be controlled by the control circuit, can be specified. Distributing the electrical energy for the consumer or the electrical power which is provided for said consumer between the at least two outputs of the control circuit can be controlled by said control circuit depending on at least one distribution parameter. Said distribution parameter can be supplied to the control circuit or determined in the control circuit.
Two-level LED security light with motion sensor
A LED security light includes a power supply unit further comprising a first power source and a second power source, a light sensing unit, a motion sensor unit, a loading and power control unit, a time setting unit and a light-emitting unit. The motion sensor is activated at dusk and is deactivated at dawn. When the first power source is used and when a motion intrusion is detected by the motion sensor, the LED security light generate a first level illumination for a short time duration. When the second power source is connected and when a motion intrusion is detected by the motion sensor, the LED security light generate a second level illumination for a short time duration. The time setting unit is for setting the time duration of the first level illumination or the second level illumination. The first power source is a solar power while the second power source is a backup battery.
Techniques are provided for low, or deep, dimming of a light-emitting diode (LED) load. In an example, a method of adjusting an initial voltage of a driver circuit for an LED load can include providing current to an LED load from a power stage of the driver during an on-time of a pulse-width modulation (PWM) cycle, receiving error current information of the driver circuit at a low-dimming control circuit of the driver, and adjusting a voltage of an output capacitor coupled to the driver during an off-time of the PWM cycle, the charge adjustment based on the error current information.
Power optimization for linear regulator
A power supply includes a power converter configured to convert an input voltage to a target output DC voltage in response to a feedback signal, the feedback signal having a value. The power supply also includes a regulator coupled to the power converter and configured to generate an output power status signal, which may be in one of two states depending whether an output current from the regulator is above or below a target current over a preset time duration. Further, a control circuit is coupled to the power converter and to the regulator and configured to increment or decrement the value of the feedback signal depending on the state of the power status signal.
LED lighting system
An LED lamp arrangement adapted for fitting in a luminaire. The luminaire is adapted for a fluorescent lamp and having a ballast. The LED lamp arrangement has a plurality of LEDs, and two or more electrodes for releasably connecting to the luminaire and for conducting current from the ballast for supply to the LEDs. The LED lamp arrangement further has a sensor circuit and a protection circuit. The sensor circuit and the protection circuit are adapted to increase the total load impedance of the LED lamp arrangement if the ballast is a constant power electronic ballast.
Methods for adjusting the light output of illumination systems
In accordance with various embodiments, an overall optical characteristic of light emitted by an illumination system having multiple strings of light-emitting elements, as well as an overall intensity of the light emitted by the illumination system, are independently selected via controlling the strings over multiple time intervals.
Lighting driver, lighting system and control method
A lighting driver is for receiving an alternating current power supply from a fluorescent lighting ballast and makes use of a closed loop control of a shunt device for selectively shunting the power supply for example to implement dimming control. The closed loop control is adapted based a detected current. This enables low frequency components of the ballast current to be removed or reduced so that a smaller output capacitor is needed.
A cooktop apparatus, in particular an induction cooktop apparatus, includes a switching unit configured to interrupt and establish current flow from a current supply, a first switching element receiving the current flow during an operating process, a control apparatus, which controls the switching unit during the operating process such that the switching unit interrupts the current supply during a first time interval which has a duration of less than of half a period of the power supply voltage. The control apparatus causes the current supply to be connected during the operating process immediately before and immediately after the first time interval. The first switching element begins switching and ends switching during the first time interval.
Method for controlling an induction heating system
A method for controlling an induction heating system, particularly an induction heating system of a cooktop on which a cooking utensil with a certain contents is placed for heating/cooking purposes, comprises the steps of carrying out a predetermined number “n” of electrical measurements of a first electrical parameter of the heating system on the basis of a predetermined electrical value of a second electrical parameter, “n” being ≥2, repeating the above set of measurements at a predetermined time after the first measurements, and estimating at least one thermal parameter of the heating system, particularly of the contents of the cooking utensil, on the basis of the above set of measurements.
Cord-shaped heater and sheet-shaped heater
A cord-shaped heater 10 has a plurality of conductive wires 5a that are covered with an insulating film 5b. The insulating film 5b includes a silicone resin. A quantity of the silicone resin included in the insulating film 5b is 40 to 80% by a weight ratio. The conductive wires 5a are wound around a core material 3 in a state of being paralleled together. An insulation body layer 7 is formed on an outer periphery of the conductive wires. A part or all of the insulation body layer 7 is formed of a heat-fusing material. A sheet-shaped heater 31 is wherein the cord-shaped heater 10 is arranged on a substrate 11.
Heat generating element
A heat generating element for an electrical heating device of a motor vehicle, including at least one PTC element and two contact plates which are in contact with opposite sides of the PTC element and are provided on their outer side facing away from the PTC element with an insulating layer. Shielding is provided, comprising a first shell-like shielding plate and a second shell-like shielding plate which are each provided on the outer side of the insulating layer and are connected thereto in a thermally conductive manner. The longitudinal wall sections, directed towards one another, of the first and second shielding plate form an overlapping region. In order to reduce EMC problems, two shielding plates are sealed by way of an adhesive which is received in one of the two shielding plates and into which the end of a rim of the other shielding plate dips.
Mobile terminated control method and related network devices
The invention provides for a method of controlling a mobile terminated procedure between a mobile terminal device and a network node device of a mobile radio communications network, and to a related terminal device, and particularly concerning a change in network node connection as part of a Circuit Switched Fallback procedure, and including the step of transmitting a connection-maintaining request such as a follow-on-request from the terminal device to the network node device during the mobile terminated procedure and seeking to maintain connectivity with the network node device so as to allow for a post location update procedure arriving from the network.
Enhanced access class barring mechanism in LTE
Systems, methods, and computer-readable media for providing enhanced access class barring in LTE are provided. In embodiments, the method includes receiving, on a mobile device, a SIB2 message. A barring factor associated with the SIB2 message is identified. In embodiments, the barring factor is dynamic based on traffic parameters associated with a network. An upper limit for a random number is set on the mobile device and the random number is generated. The random number is generated and compared to the barring factor. If the random number is less than the barring factor, access to the network is provided to the mobile device. In embodiments, an additional random number is generated for special users or devices if the random number is greater than or equal to the barring factor.
Server and data transmission method
A server is provided, which includes a terminal determining unit which determines a destination terminal to share a service when a service request sent by any terminal is received or when it is detected that a network-side needs to share the service, a generation unit which generates service network topology structure information corresponding to the service according to the destination terminal, and a network determining unit which determines a hosted network corresponding to the service according to the service network topology structure information. Correspondingly, a data transmission method is also provided.
Communication device and master station device
A communication device includes a processor and a memory storing wireless information used for establishing wireless connection with a specific access point and instructions. The instructions, when executed by the processor, cause the communication device to: search a first-type master station device for a first-type wireless network identified by a first predetermined character string; and search a second-type master station device for a second-type wireless network identified by a second predetermined character string in a case different from a case where the number of first-type target device found as a search result for the first-type master station device is one. The instructions, when executed, further causing the communication device to establish wireless connection with a second-type target device that is the second-type master station and join the second-type wireless network; and transmit the wireless information to the second-type target device by using the second-type wireless network.
Method for coupling subscriber identity module and electronic device thereof
A method for coupling a subscriber identity module in an electronic device and the electronic device thereof. The method includes sensing a request for changing from a currently coupled 1st SIM to a 2nd SIM among a plurality of SIMs. A 1st communication protocol between the 1st SIM and a short-range communication module is inactivated in response to the change request to release a 1st communication session with the 1st SIM. A 2nd communication protocol between the 2nd SIM and the short-range communication module is activated to couple a 2nd communication session with the 2nd SIM.
Application server for managing communications towards a set of user entities
An application server for managing communications towards a set of user entities, the set of user entities having a first user entity. The application server includes a receiver for receiving a first session initiation request, the first session initiation request having a public identification identifying the set of user entities, a processor for assigning a first user identification to the public identification, the user identification identifying the first user entity, and a transmitter for transmitting a second session initiation request to establish a communication link towards the first user entity, the second session initiation request including the first user identification.
User terminal, radio base station and adaptive modulation and coding method
In one aspect, the adaptive modulation and coding method includes, in a user terminal, receiving a modulation and coding scheme (MCS) index, acquiring a modulation order corresponding to the received MCS index as a modulation order of a downlink shared channel, from a first table in which MCS indexes are associated with modulation orders including 8 and transport block size (TBS) indexes, and a second table is provided in which MCS indexes are associated with modulation orders of less than 8 and TBS indexes, and the first table is provided by puncturing a combination of a modulation order and a TBS index in the second table so that the first table and the second table are equal in a number of bits for an MCS index. In other aspects, a user terminal and a radio base station are provided.
Techniques and apparatuses for voice over long term evolution (VoLTE) call prioritization for multiple carriers
Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive a plurality of resource block allocations corresponding to a plurality of carriers. The user equipment may identify a carrier, of the plurality of carriers, to be used for communication of at least one high priority communication based at least in part on a comparison of a plurality of frequencies corresponding to the plurality of resource block allocations. The user equipment may communicate the at least one high priority communication using the identified carrier. Numerous other aspects are provided.
Systems and methods of buffering application data operable at a delivery control server
A method of buffering application data operable at a delivery control server is provided. Related systems and computer program products are also provided.
Apparatus and method for transmitting and receiving beam information in wireless communication system
The present disclosure relates to transmitting and receiving beam information in a wireless communication system. An operation of a receiving end includes: generating a signal indicating two or more analogue transmission beams which are allocable to the receiving end; and transmitting the signal. In addition, the present disclosure includes other embodiments different from the embodiment described above.
Method and apparatus for use with a radio distributed antenna system having an ultra-wideband control channel
Aspects of the subject disclosure may include, for example, receiving, by a network element of a distributed antenna system, a reference signal, an ultra-wideband control channel and a first modulated signal at a first carrier frequency, the first modulated signal including first communications data provided by a base station and directed to a mobile communication device. The instructions in the ultra-wideband control channel direct the network element of the distributed antenna system to convert the first modulated signal at the first carrier frequency to the first modulated signal in a first spectral segment. The reference signal is received at an in-band frequency relative to the control channel. Other embodiments are disclosed.
System and method for adaptive transmission time interval (TTI) structure
Methods and devices are provided for communicating data in a wireless channel. In one example, a method includes adapting the transmission time interval (TTI) length of transport container for transmitting data in accordance with a criteria. The criteria may include (but is not limited to) a latency requirement of the data, a buffer size associated with the data, a mobility characteristic of a device that will receive the data. The TTI lengths may be manipulated for a variety of reasons; such as for reducing overhead, satisfy quality of service (QoS) requirements, maximize network throughput, etc. In some embodiments, TTIs having different TTI lengths may be carried in a common radio frame. In other embodiments, the wireless channel may partitioned into multiple bands each of which carrying (exclusively or otherwise) TTIs having a certain TTI length.
Data transmission using frequency resources determined from frequency resource numbers
Embodiments of the present invention provide a data transmission method and user equipment, where the method includes: sending, by first user equipment, an indication signal, where the indication signal indicates frequency resource numbers of one or more physical resources (S110); determining, by the first user equipment according to the frequency resource numbers, a frequency resource occupied by a data signal (S120); and sending, by the first user equipment, the data signal by using the frequency resource (S130). According to the embodiments of the present invention, a frequency diversity gain can be obtained.
Resource allocation method for communication between transmitting and receiving terminals in communication system supporting direct device-to-device communication and apparatus for same
The present specification relates to a method in which a base station efficiently notifies a transmitting terminal of a resource domain for transmitting control information and data in a wireless communication system supporting device-to-device (D2D) communication. To this end, the transmitting terminal receives resource allocation information associated with D2D communication from the base station, and transmits, to a receiving terminal, control information (SA) for D2D communication and data corresponding to the SA on the basis of the resource allocation information received from the base station, wherein a time domain location for transmitting the SA has a predetermined time domain pattern on the basis of the resource allocation information received from the base station, and a frequency domain location for transmitting the SA can be determined in advance by one of two specific hopping patterns.
Wireless conferencing system using narrow-band channels
A wireless-conferencing system enables two or more radios to communicate with each other in full-duplex communication, such as by using time division multiple access (TDMA). To use the wireless-conferencing system in a narrowband radio service system, such as GMRS having channel spacing of 25 kHz, one or more techniques are used to implement the wireless-conferencing system.
Apparatus and method of using time reuse frame structures for multi-hop communications
A system and method of using time reuse frame structures for improving multi-hop communications are disclosed. Namely, the system is networked and includes a superframe structure for multi-hop communication including tiers. The system also includes a computer-implemented device located in an initiator subframe of a first tier frame of the superframe. The device including a non-transitory memory including executable instructions for multi-hop communication and a processor operably coupled thereto for executing the multi-hop communication. The system also includes a second tier frame of the superframe including at least two hopper subframes. Each of the at least two hopper subframes including a contention access period and a contention free period.
Extended DSME MAC for low power utility monitoring service
A method of configuring a multi-superframe is provided. The method includes setting at least one parameter for configuring the multi-superframe, and configuring the multi-superframe corresponding to the at least one parameter, wherein the at least one parameter includes a superframe order (SO), a beacon order (BO), and a multi-superframe order (MO), in a form of positive integers, and the setting includes setting the MO to have a value higher than the BO.
Method and apparatus, in mobile communication system, for effectively providing configuration information about small cell that has small cell service region
A method and an apparatus, in a mobile communication system, for effectively providing configuration information about a small cell that has a small cell service region are provided. The method for transmitting reconfiguration information of a small cell base station in a mobile communication system includes: when deciding to reconfigure a small cell, obtaining the latest macro cell configuration information from a macro cell base station; generating reconfiguration information about the small cell on the basis of the obtained macro cell configuration information; and transmitting, to the macro cell base station, the regenerated reconfiguration information so that the macro cell base station can transmit the reconfiguration information to User Equipment (UE).
Carrier indication method, user equipment, and base station
This application discloses a carrier indication method, user equipment, and a base station. The method includes: receiving, by user equipment, first information sent by a base station; if the user equipment is capable of transmitting uplink data and downlink data on a carrier, determining, by the user equipment according to the first information, a carrier used for transmitting first-type information; and transmitting, by the user equipment, the first-type information on the determined carrier, where the first-type information includes at least one of the following: uplink data, downlink data, and scheduling information. In this application, user equipment determines, according to first information sent by a base station, a carrier used for transmitting information, and therefore, can normally transmit information.
System, security and network management using self-organizing communication orbits in distributed networks
In one aspect, machines in a managed network implements a set of rules that cause individual machines to directly interact with only a small number of machines in the network (i.e., a local neighborhood within the network), while the independent local actions of the individual machines collectively cause the individual machines to be self-organized into one or more communication orbits without any global control or coordination by a server or an administrator. The communication orbits are used for supporting network, security and system management communications in the managed network.
ARO values in PUCCH resource allocation for EPDCCH in TDD
Methods, apparatuses, and computer program products for defining ARO values in TDD are provided. One method includes defining acknowledgement (Ack)/negative acknowledgement (Nack) resource offset (ARO) values in time division duplex (TDD) with a first set of values and a second set of values. The first set of values contains negative values and is used to offset hybrid automatic repeat request (HARQ) acknowledgment (ACK) resource determination so that HARQ-ACK is transmitted on physical uplink control channel (PUCCH) resources corresponding to another downlink subframe, and the second set of values contains values between −2 and 2.
Communication control device with dynamic fragmenting of non-real-time data
There is provided a communication control device including: a real-time communication status extraction unit that acquires a communication timing of real-time data; a dynamic fragment size determination unit that acquires a fragment size of sending data which can be sent until the communication timing acquired by the real-time communication status extraction unit; a fragment processing unit that fragments non-real-time data to have at least a fragment size which is equal to or less than the fragment size acquired by the dynamic fragment size determination unit; and a communication unit that sends the non-real-time data, which is fragmented by the fragment processing unit, before the communication timing of the real-time data.
Efficient uplink timing synchronization for fixed-location M2M terminals
A method for determining synchronization of uplink timing in a machine type communication (MTC) system comprising a machine type communication device (MTCD) and a network element is disclosed that takes advantage of the MTCD being at a fixed location relative to the network element. The method includes receiving at the MTCD an uplink timing adjustment value from the network element and storing the uplink timing adjustment value at the MTCD. The MTCD then uses the stored uplink timing adjustment value from a previous uplink transmission for synchronizing uplink timing for a subsequent uplink transmission from the MTCD to the network element even following a period of inactivity of the MTCD, or expiration of any existing maximum uplink timing alignment period permitted for use of the timing adjustment value by the MTCD, or MTCD clock drift.
Apparatus and method for achieving synchronization in wireless communication system
A method of operating a terminal that is related to achieving synchronization in a wireless communication system is provided. The method includes receiving signals with a bandwidth comprising a plurality of channels, selecting at least one channel group to attempt to detect based on radio frequency level per a reception signal, wherein the channel group denotes a set of channels that belongs to one bandwidth, and performing a synchronization procedure on each of channels that belong to the at least one channel group selected.
System and method for co-located SAR control in an information handling system
A method and information handling system including a wireless interface adapter for communicating on a plurality antenna systems for connection to a plurality of concurrently operating wireless links and a processor executing code instructions for a co-located antenna dynamic power control system for detecting a first active wireless link operating via a first antenna system and a second active wireless link operating via a second, co-located antenna system, wherein the total transmission power between the first antenna system and the second antenna system is limited to a regulatory safety maximum. The processor determining relative transmission activity levels for the information handling system relative to the first active wireless link and the second active wireless link, including a first wireless link data rate transmission level for the first antenna system and a second wireless link data rate transmission level for the second antenna system and the co-located antenna dynamic power control system instructing the wireless interface adapter controller to increase transmission power to the first antenna and decrease transmission power to the second antenna relative to the regulatory safety maximum power level when the first wireless link data rate transmission level is greater than the second wireless link data rate transmission level.
Methods and apparatus for optimization of femtocell network management
Methods and apparatus that reduce network management overhead required for the operation of wireless femtocells. In one aspect of the invention, a central network entity governs the simultaneous operation of several femtocells by specifying modes of operation, and operational parameters for one or more of the femtocells. In one embodiment, at least one of the specified modes of operation directs a femtocell to operate in a substantially autonomous manner within the network-defined operational parameters. The network-defined constraints are provided to the femtocell for example, responsive to a successful registration attempt.
Control method for real-time scene detection by a wireless communication apparatus
A control method for real-time scene detection by a wireless communication apparatus equipped with at least one environmental measurement sensor is disclosed. A temporal adjustment of the instants of activation of the detection is based on measurement values delivered by the at least one environmental measurement sensor at instants of measurement.
System and method to enhance battery life in cell phone devices
A system that enhances life of a battery in cell phone devices that work in conjunction with a cellular telephone network has a Registration-Request Signal transmission management function that operates in the device and periodically detects change in physical location of the device from an immediate prior location, called an LchangeDelta. The function, if the LchangeDelta is below a threshold of change in location, suppresses an Registration-Request Signal transmission from the device to the cellular network, thus enhancing battery life.
Ready timer period splitting for extended coverage global system for mobile communications (EC-GSM)
A core network node (e.g., Serving GPRS Support Node (SGSN)), a radio access network node (e.g., Base Station Subsystem), a wireless device, and various methods are described herein for splitting a period of a ready timer to allow for different periodicities of reachability for the wireless device.
Methods and apparatus for performing buffer fill level controlled dynamic power scaling
Integrated circuits with wireless communications circuitry are provided. The wireless communications circuitry may include an input FIFO, an output FIFO, a processing module interposed between the input and output FIFOs, and dynamic power control circuitry that controls the performance of the processing module. The input and output FIFOs may provide fill level information to the processing module. The dynamic power control circuitry may analyze the current fill level information received from the input and output FIFOs and may increase the operating frequency and/or boost the power supply voltage of the processing module in response to detecting that the input FIFO is filling up faster than the output FIFO or may decrease the operating frequency and/or reduce the power supply voltage of the processing module in response to detecting that the output FIFO is filling up faster than the input FIFO.
Telecommunications apparatus and methods
A wireless telecommunications system supports a virtual carrier operation mode in which downlink communications are made by a base station while a terminal device can receive at least some communications from the base station within a restricted subset of transmission resources, and supports terminal devices in a radio resource control connected mode and radio resource control idle mode. When there is to be a change in system information the base station transmits to the terminal device an indication that updated system information is to be broadcast by the base station, the indication received by the terminal device while in the connected mode. Before seeking to acquire the updated system information, the terminal device transitions from the connected mode to the idle mode, and then seeks to acquire updated system information. The base station restricts transmission of user-plane data to the terminal device until the terminal device re-enters the connected mode.
Method and device for processing network access, and network access method and device
Provided are a method and device for processing a network access, and a network access method and device. The processing method includes: acquiring resource configuration information of an access signal group, the resource configuration information including: a sending resource required by a terminal for sending an access signal on a resource corresponding to the access signal group, and an access response resource corresponding to the access signal group, the access signal being used for accessing a network, the access response resource being used for indicating a resource used by a sending device of the access signal when receiving a response signal of the access signal; and notifying the terminal of the resource configuration information.
Relay station apparatus, mobile communication system, base station apparatus, and method for controlling relay station
A mobile communication system includes at least one upper radio station (1) and a relay station (2). The relay station (2) performs a radio relay between a lower radio station (3) and the upper radio station (1). The relay station (2) is configured to attach, when an attaching to a first upper radio station included in attaching configuration information indicating an upper radio station to which the relay station (2) should attach is unsuccessful, to a second upper radio station different from the first upper radio station, and to notify a network (4 and 5) of notification information via the second upper radio station, the notification information indicating that the attaching to the first upper radio station is unsuccessful.
Method for service data management, apparatus, and system
A service data management method. The method includes: receiving, by the NOA, a service request of a first user equipment UE, and forwarding the service request to the SP server by using the NOC, so that the SP server returns service data requested by the first UE; determining, by the NOA, that the service data has been stored in the NOA, and sending hit indication information to the NOC, so that the NOC replaces a data segment in the service data with preconfigured replacement information, where bandwidth occupied by the preconfigured replacement information is smaller than bandwidth occupied by the data segment; and determining, by the NOA, a corresponding data segment according to received replacement information, and sending the data segment, which has been stored, to the first UE. Solutions provided in embodiments of the present invention can reduce the backhaul bandwidth occupancy.
Relay UE selecting method performed by UE in wireless communication system and UE using the same
A method of selecting a relay user equipment (UE) performed by a remote UE in wireless communication system, and a UE using the method are provided. The method includes determining whether a measurement of a current relay UE is smaller than a threshold and selecting a candidate relay UE satisfying a specific condition as a relay UE when the measurement of the current relay UE is smaller than the threshold. Here, the candidate relay UE is selected as a relay UE only when a measurement of the candidate relay UE is greater than a minimum hysteresis value (minHyst) based on the threshold.
Method and apparatus for terminal to perform frequency measurement on basis of cell specific priority
Provided are a method for a terminal to perform frequency measurement on the basis of a cell specific priority in a wireless communication system, and an apparatus for supporting the same. The terminal may be configured to: receive the cell specific priority and a frequency specific priority from a network; compare a cell specific priority of a first cell and a frequency specific priority of the frequency to which the first cell belongs; determine whether to apply the cell specific priority of the first cell to the frequency to which the first cell belongs; and perform frequency measurement on the basis of the determined priority. The first cell is a cell for which a cell specific priority is set, and the cell specific priority may be set to be the same for each frequency.
Method for managing congestion of a transmission link in a packet communication network
In order to detect congestion on a transmission link, endpoint items of network equipment are associated with congestion-detection applications. Per class of service, one application sends to the other control messages indicating volumes of data transmitted by the concerned item of network equipment via the transmission link. On reception of the control messages, the other application obtains information on volumes of data received by the other item of network equipment. By determining a first divergence in volumes of data transmitted between two control messages and a second divergence in volumes of data received, between two control messages, this other application is able to detect a situation of congestion on the transmission link occurring for one or more classes of service, and to generate an alarm signal accordingly.
Mobile edge computing for tele-operation
An apparatus includes radio transceiver equipment configured to transmit and receive radio signals to and from mobile devices within a coverage area of a Radio Access Network. A Mobile Edge Computing server is integrated with the radio transceiver equipment. The Mobile Edge Computing server is configured to host at least one application instantiating a virtual Rendezvous Point operative to support a bidirectional data link between a predetermined pair of the mobile devices.
Method and apparatus for performing wireless communication based on heterogeneous interference alignment (IA) scheme in wireless local area network (WLAN)
Provided is a method and apparatus for performing a wireless communication based on a heterogeneous interference alignment (IA) scheme for a downlink multi-user multiple-input and multiple-output (DL MU-MIMO) communication in a wireless local area network (WLAN), and a wireless communication method employing a hybrid scheme that may include storing maximum throughputs of IA schemes, measuring an environment of a wireless network, calculating predicted throughputs of the IA schemes based on the measured environment of the wireless network, selecting an IA scheme from among the IA schemes based on the predicted throughputs, and communicating with a user terminal based on the selected IA scheme.
System and method for indicating channel assessment information
The embodiments provide a method implemented by a network device in a wireless local area network (WLAN) to provide a deferred clear channel assessment (CCA) from a physical layer to an upper layer within the network device. The deferred CCA enables the upper layer to make a final decision on the state of a wireless medium. The method identifies at least one condition on a wireless medium where an upper layer decision is required to determine a state of the wireless medium, and passes on requisite data to the upper layer to enable a decision on the state of the wireless medium. The deferred CCA process supports more complex CCA processes that may rely on information available in an upper layer.
Testing a mobile application
Systems, methods, and computer-readable and executable instructions are provided for testing a mobile application. Testing a mobile application can include simulating a cellular network condition for each of a plurality of locations utilizing a network simulation engine. Furthermore, testing a mobile application can include testing performance of the mobile application for each of the simulated cellular network conditions.
System and method to facilitate wireless network optimization
An example method is provided in one example embodiment and may include determining one or more outlier access points (APs) of a plurality of APs managed by a same service provider, wherein the determining is performed based on performance metrics calculated for each of the plurality of APs and wherein each outlier AP has a performance metric that fails to satisfy a performance metric threshold; identifying a Radio Frequency (RF) cluster to which each outlier AP belongs, wherein each outlier AP belongs to only one RF cluster; applying one or more optimization parameters to one or more APs for one or more RF clusters; and calculating new performance metrics for the plurality of APs to determine whether any of the plurality of APs fail to satisfy the performance metric threshold after the one or more optimization parameters are applied.
Wireless data concentrator systems and methods
A computer implemented method includes transmitting a transmit command to a first data concentrator to send out a predetermined signal of predetermined characteristics according to a transmission setting, receiving a received signal from at least one second data concentrator, and determining if there are any signal transmission effects between the first data concentrator and the second data concentrator based on a comparison of the predetermined signal and the received signal.
Base station and method thereof
There is provided a base station (BS) (1000) and a method at the BS that is capable of enhancing network capacity with low transmission power in a radio network. The method comprises serving a cell with one or more first carriers. The method further comprises serving a hot-spot within the cell with one or more beam-formed second carriers, wherein the first and second carriers share a total transmission power for serving the cell. Beam-forming based hot-spot carriers can efficiently save transmission power and contribute to the total power utilization efficiency. The base station (1000) thus can meet the capacity enhancement requirement with low transmission power.
Method and apparatus for reading verification information
The present invention discloses a method and apparatus for controlling an application to read verification information. The method comprises: setting, in a terminal, a safe application strategy for reading a verification information, wherein the verification information is a message for verifying identity or permission of the terminal or a user in the process of executing a specific service; after the terminal receives the verification information from a network device, the application requesting to acquire the verification information; judging whether the application satisfies the safe application strategy, and according to the judging result, allowing only the application that satisfies the safe application strategy to read the verification information; and using the verification information for verifying identity or permission of the terminal or a user in the process of executing the specific service. the present invention, effectively preventing an illegal application from stealing the verification information and ensuring information security.
Methods and apparatus to discover authentication information in a wireless networking environment
Examples to discover network authentication information in a wireless network involve transmitting during network discovery and prior to authentication, a Generic Advertisement Service (GAS) request to a network access point. The request requests authentication information. In addition, a response to the request is received from the network access point. The network authentication information is retrieved from the response. The network authentication information includes a re-direct frame.
Spectrum access server support of resource assignments based on radio access network coexistence information
Aspects of the present disclosure relate to methods and apparatus for spectrum access server support of resource assignments based on radio access network coexistence information. An example method generally includes obtaining information regarding capability of different entities requesting use of the shared radio resources, estimating compatibility between the different entities based on the information, and allocating the shared radio resources to the different entities based on the estimated compatibility.
Method and apparatus for using mobile subscriber identification information for multiple device profiles for a device
Aspects of the subject disclosure may include, for example, a system that manages reuse of mobile subscriber identity information. Further aspects may include mobile subscriber identity information used in a device having multiple device profiles indexed, directly or indirectly, by multiple ki (e.g. shared secret keys). Other embodiments are disclosed.
Method of establishing a connection between a mobile communicating object and a remote server
The present invention relates to a method of establishing a connection between a mobile communicating object and a remote server, by way of a mobile communication network where the communicating object has a list encompassing a determined number of preferred mobile communication networks with which the object can be made to connect. The method comprises a first step where the communicating object establishes a radio connection with one of the networks available so as to transmit a first series of audit information (such as quality of signal, error rate, base station cell identifier) to the remote server, a step of verification by the server of the data received and, in the event of anomaly, of engagement of a procedure for modifying the selection of the mobile communication network to which the mobile object is connected.
Device, system and method for public safety assistance detection
A device, system and method for public safety assistance detection is provided. The device comprises a communication interface; a location determining device; an input device; a memory storing keywords; and a controller. The controller implements: an assistance application; and at least one monitored application at which alphanumeric input is received using the input device, each of the assistance application and the at least one monitored application hosted by different respective servers. When the alphanumeric input is received at the at least one monitored application, the controller provides the alphanumeric input to the assistance application. When the alphanumeric input is received at the assistance application includes one or more keywords, the controller transmits, using the interface, at least a portion of the alphanumeric input to a server that hosts the assistance application, as well as a current location determined using the location determining device.
Devices and methods for efficient emergency calling
Disclosed are devices, systems, methods, and media for efficient emergency calling using digital devices. In some embodiments, a user is able to make an emergency call by a one-touch or dual-touch process. An authentication process may reduce inadvertent and unauthorized emergency calling. Persistent emergency buttons are also disclosed that may be used for calling emergency in different states of the device.
Inflight entertainment system that selects among passenger electronic devices for connection based on power measurements
An inflight entertainment system for use in an aircraft displays commands to a passenger to move a passenger electronic device (PED) between locations defined relative a seatback display device and the passenger's seat. The system measures received signal strength indications (RSSIs) from discoverable PEDs over time while the PED is moved between the locations, and selects one of the PEDs that satisfies a defined rule for an amount of change that is observed over time in the measured RSSIs for that PED. The system then establishes a connection through a Bluetooth transceiver with a Bluetooth transceiver of the selected PED.
Cross device information exchange using gestures and locations
A method, apparatus and software related product (e.g., a computer readable memory) are presented for exchanging information between two or more devices when they are in a close proximity using gestures and web technologies. According to an embodiment, the identification of one or more devices using gestures is asynchronous, so that the two or more devices do not have to be shaken together at the same time synchronously, which is one advantage over conventional approaches. Another advantage is that various embodiments described herein do not require a user to download any special software (application), and it can work on all platforms, for example, with HTML5-compliant browsers.
Terminal peripheral management method and M2M gateway
Provided is a method for managing a terminal peripheral, including that an M2M gateway obtains a policy definition of an event, and obtains, from the policy definition of the event, an operation priority indication corresponding to an operation in the event; and when the event is triggered by the M2M gateway and if it is determined that an operation of the same type as the operation in the event exists in a corresponding terminal peripheral, whether to deliver the operation in the event to the corresponding terminal peripheral is decided according to the operation priority indication in the policy definition of the event and a priority judgment policy. An M2M gateway is also provided. Processing priorities of operations of the same type can be determined according to priority indications of the operations by adopting the present disclosure, thereby avoiding operation conflict and system error reporting occurring on a terminal peripheral, and improving the efficiency of an M2M gateway in managing a terminal peripheral or a terminal peripheral group.
Offline charging for group communications using multimedia broadcast multicast service (MBMS) delivery
Systems and methods for performing offline charging for group communications. One embodiment is an application server that identifies data for a group communication, identifies an encryption code assigned to the group, encrypts the data for the group communication using the encryption code, and initiates delivery of the encrypted data for the group communication to the group of mobile devices over an MBMS bearer. The application server collects charging information related to the group communication using MBMS delivery, formats the charging information into an offline charging communication, and transmits the offline charging communication to an offline charging system.
Modality-centric mass notification system
A Modality-centric Mass Notification System (“Modality-centric MNS system”) for notifying a plurality of recipients of an Emergency Event is disclosed. The Modality-centric MNS system may include a Mass Notification System (“MNS”) Notification Engine, modality corridor (“MoCo”) dispatcher, and a plurality of modality corridors, wherein each modality corridor of the plurality of modality corridors establishes, for signal communication, a signal path from a plurality of signal paths, between the MNS Notification Engine and a recipient of the plurality of recipients. The MNS Notification Engine is configured to manage MNS Incidents and Notifications and the MoCo dispatcher is configured to select a first modality corridor from the plurality of modality corridors to establish a first signal path from the MNS Notification Engine.
Method and apparatus for generating an indication of remaining battery life for a wireless device
A method (100) for generating an indication of remaining battery life for a wireless device is disclosed. The wireless device is positioned in an installation location and operable for radio communication with a communication network node. The method comprises estimating a signal loss between the wireless device in the installation location and the communication network node (120) and mapping the estimated signal loss to an indication of remaining battery life for the wireless device (130). The mapping is based on remaining battery capacity for the wireless device and estimated energy consumption of the wireless device for radio communication, the estimated energy consumption being generated from the estimated signal loss and determined communication parameters for the wireless device. Also disclosed are an apparatus (300, 400) for generating an indication of remaining battery life for a wireless device and a computer program product configured to carry out a method for generating an indication of remaining battery life for a wireless device.
Automatically answering an incoming voice-call on a mobile device with no-touch user interface interaction
This disclosure describes techniques for automatically answering an incoming voice-call on a mobile device. A voice-call answering application, executed on the mobile device, may allow a user to answer an incoming voice-call by applying a movement or a biometric sample that is preconfigured to answer the incoming voice-call. In some examples, the user may preconfigure the voice-call answering application to recognize different movements or biometric samples based on a time of day, a day of the week, a geographic location, or a type of motion.
Device actions based on device power
In one embodiment, one or more computing devices determine, substantially in real time and locally at a mobile device, one or more current dynamic operating conditions of the mobile device related to energy consumption by the mobile device. The computing devices identify a pre-determined device state that corresponds to the current dynamic operating conditions of the mobile device and determine, based at least in part on the pre-determined device state, an action for the mobile device to take, the action being related to energy consumption by the mobile device.
Group communication service enabler (GCSE) group management
A communication method implemented on a 3rd Generation Partnership Project (3GPP) communication network includes providing an attachment between a group member of a communication group and a group application server, detecting a detachment between the group member and the group application server, and reestablishing the attachment by the 3GPP communication network. A Mobility Management Entity (MME) may provide the attachment. A Group Communication Service Enabler Application Server (GCSE AS) or a Multipoint Service (MuSe) functionality may detect the detachment. The attachment may be reestablished according to the MuSe functionality. A group communication bearer may have a first priority level for allocating resources to the group communication bearer, and a second priority level for allocating resources to the non-group communication bearer. The second priority level may be different from the first priority level. Different Quality Control Indexes (QCIs) may be provided to the group communication bearer and the non-group communication bearer.
Mobile communication system and communication apparatus
In a mobile communication system, a mobile communication apparatus in a vehicle includes a selected resource antenna permitting communication using a selected resource, establishing wireless communication with a target communication apparatus. The mobile communication system includes a propagation path characteristic acquirer section and a resource selector section. The propagation path characteristics acquirer section acquires propagation path characteristics information in association with a future communication position, the propagation path characteristics information being about propagation path characteristics between (i) the target communication apparatus and (ii) a reference antenna equal to the selected resource antenna in antenna characteristics including an antenna format. The resource selector section, based on the propagation path characteristics information, selects a resource to be used in communication at the future communication position before the selected resource antenna of the mobile communication apparatus comes to be placed at the future communication position.
Detecting movement in a physical environment
The present disclosure discloses a method and network device for detecting movement in a physical environment. Specifically, a network device obtains a first feedback information for a first set of wireless signals transmitted by a first device in a physical environment and received by a second device in the physical environment. Moreover, the network device obtains a second feedback information for a second set of wireless signals transmitted by the first device and received by the second device. The network device then compares the first feedback information to the second feedback information to identify a first set of one or more difference values. Based on the first set of one or more difference values, the network device determines that one or more physical entities within the physical environment have moved.
Method for determining the position of a portable user device around a vehicle and associated location device
Disclosed is a method of determining the position of a portable user device around a vehicle by a location device placed on board the vehicle and communicating with the portable device by radio waves, including the execution of the following steps whenever the portable device receives a signal from the location device: step E3: Measuring and storing a value of strength of the signal) thus received; step E4: Measuring and storing a value of acceleration) of the portable device; step E5: Calculating a ratio between a variation of the strength value thus measured, relative to a strength value stored at a preceding instant-RSSI, and a variation of the acceleration value thus measured, relative to an acceleration value stored at the preceding instant-AC; step E6: Comparing the ratio thus calculated with at least one predetermined threshold, in order to determine a distance between the portable device and the vehicle.
Method and apparatus for proximity sensing on a communication device
Aspects of the subject disclosure may include, for example, detecting, by a first receiver of the first group of receivers, a first disturbance in one of a first group of electromagnetic waves and detecting, by a second receiver of a second group of receivers, a second disturbance in one of the second group of electromagnetic waves. A processing system can determine a position of a physical object in proximity to the transmission medium according to locations of the first and second receivers with respect to the transmission medium. Other embodiments are disclosed.
System and method for tracking a vehicle's course by comparing geolocation data from a known course
A computer-implemented method and system for tracking a vehicle's course using geolocation data is provided. The method comprises obtaining a set of predetermined GPS locations representing a closed course; tracking movements of a user using a GPS controller; authenticating the movements of the user against the set of predetermined GPS locations while the client terminal is within a predetermined distance of at least one of the set of predetermined GPS locations; and presenting consolidated timing information about the user's movements along the set of predetermined GPS locations. The system comprises a central processing server in communication with a computer network and configured to obtain information from a central database; and one or more client terminals in communication with the central processing server via the computer network, and configured to provide a graphical user interface for user interaction with the central processing server.
Information distribution apparatus and method
Proposed are an information distribution apparatus and method capable of efficiently distributing information. Clustering processing of collecting time series position data, which is configured from position information of a plurality of mobile communication objects, and classifying the time series position data into a plurality of clusters based on the collected time series position data of each of the mobile communication objects is executed, profiling processing of determining, for each of the clusters, a dominant attribute of each user in which the time series position data was allocated to the relevant cluster based on pre-registered attribute information of each of the users of each of the mobile communication objects is executed, and, for each of the clusters, information to be distributed to each of the users in which the time series position data was allocated to the relevant cluster is determined based on a processing result of the profiling processing.
Information processing device, information processing system, information processing method, and program
There is provided an apparatus including a circuitry configured to initiate a reception of an information request that has been wirelessly transmitted from an information processing terminal, initiate, based on the information request, an obtaining of an information wirelessly from an external communication device, and initiate a wireless transmission of the obtained information to the information processing terminal.
Processing audio data to compensate for partial hearing loss or an adverse hearing environment
Methods a provided for improving an audio scene for people suffering from hearing loss or for adverse hearing environments. Audio objects may be prioritized. In some implementations, audio objects that correspond to dialog may be assigned to a highest priority level. Other implementations may involve assigning the highest priority to other types of audio objects, such as audio objects that correspond to events. During a process of dynamic range compression, higher-priority objects may be boosted more, or cut less, than lower-priority objects. Some lower-priority audio objects may fall below the threshold of human hearing, in which case the audio objects may be dropped and not rendered.
Capturing and reproducing spatial sound apparatuses, methods, and systems
A processor-implemented method for capturing and reproducing spatial sound. The method includes: capturing a plurality of input signals using a plurality of sensors within a sound field; subjecting each input signal to a short-time Fourier transform to transform each signal into a transformed signal in the time-frequency domain; decomposing each of the transformed signals into a directional component and a diffuse component; optimizing beamformer weights using vector based amplitude panning to determine an optimal directivity pattern for the diffuse component of each transformed signal; constructing a set of diffuse sound channels using the diffuse components of the transformed signals and the optimized beamformer weights; constructing a set of directional sound channels using the directional components of the transformed signals; and reproducing the sound field by distributing the directional and diffuse sound channels to a plurality of output devices.
Parametric stereo upmix apparatus, a parametric stereo decoder, a parametric stereo downmix apparatus, a parametric stereo encoder
A parametric stereo upmix method for generating a left signal and a right signal from a mono downmix signal based on spatial parameters includes predicting a difference signal comprising a difference between the left signal and the right signal based on the mono downmix signal scaled with a prediction coefficient. The prediction coefficient is derived from the spatial parameters. The method further includes deriving the left signal and the right signal based on a sum and a difference of the mono downmix signal and said difference signal.
Techniques for autonomously calibrating an audio system
One embodiment of the present invention sets forth a technique for calibrating an audio system. The technique includes transmitting information to a robotic vehicle for positioning a microphone at a plurality of different listening locations within a listening environment and, for each different listening location, acquiring a sound measurement via the microphone. The technique further includes calibrating at least one audio characteristic of the audio system based on the sound measurements acquired at the different listening locations.
Compact public address access point apparatuses
Apparatuses that operate as both a public address speaker and a wireless access point (AP) for mounting to a ceiling or wall. The compact public address access points described herein may include an AP housing, enclosing a radio (e.g., a 3×3 MIMO radio) and antenna, that is coupled to a speaker assembly including a speaker, a conical acoustic reflector positioned between a front of the speaker and the housing of the AP, and an annular region comprising a concave inner wall facing the conical acoustic reflector. Although the AP is nested atop the front of the speaker, the speaker may produce high-quality sound with accurate voice reproduction without interfering with the operation of the wireless transmission of the AP. Methods of operating and installing these apparatuses are also described.
Transducer protection system, hearing device and usage of a transducer protection system
A transducer protection system for the protection of at least one transducer opening in a housing of a hearing device, including a support and a plurality of fibers each fixed at one end to the support and free to move on the other end.
Changeable cartridge for hearing device docking stations
The present invention relates to a changeable cartridge for a hearing device docking station, said changeable cartridge comprising a flexible waste reservoir being adapted to receive waste products from hearing device fuel cell power packs, and a flexible fuel reservoir being adapted to hold and provide fuel to hearing device fuel cell power packs. The present invention further relates to a hearing device docking station and a hearing device docking station assembly.
RF antenna and hearing device with RF antenna
The present disclosure relates to an RF antenna adapted to receive and/or transmit electromagnetic RF signals within a first frequency range enclosing a first frequency of resonance of the RF antenna, the RF antenna comprising: an electrically conductive antenna element having a feed for electrically connecting to an RF transmitter and/or an RF receiver; an electronic component adapted to receive and/or provide one or more electric signals from/to an electronic circuit within a second frequency range not overlapping the first frequency range; and one or more electric leads electrically connected to lead the one or more electric signals between the electronic component and the electronic circuit, each of the one or more electric leads being electrically connected to the electronic circuit through a respective inductor adapted to reflect and/or attenuate signals within the first frequency range and pass signals within the second frequency range.
Hearing aid device and method for feedback reduction
A hearing aid device that is configured to be inserted into the bony region of an ear canal includes a receiver, a microphone, a processor for processing sound signals detected by the microphone, and a feedback suppressor for carrying out electronic feedback suppression by applying at least one of a frequency shift and a time delay to the sound signals detected by the microphone. The hearing aid device may be configured to carry out the electronic feedback suppression including at least one of the frequency shift and the time delay as function of the frequency of the detected sound signals.
Method of sound processing in a hearing aid and a hearing aid
A method of processing sound in a hearing aid (100, 300, 400) comprises separating the input transducer signal into a periodic and aperiodic signal for further processing in the hearing aid (100, 300, 400). The invention also provides a hearing aid (100, 300, 400) adapted for carrying out such a method of sound processing.
Control method and control system for audio device
A control method and a control system for an audio device are disclosed. The control method and control system are applied to a USB audio adapter that includes an analog audio interface and is connected to a host. The control method includes steps of: detecting whether the analog audio interface is connected to a target device or detecting a function of the target device, and generating a detection result accordingly; controlling the USB audio adapter to operate in a disconnected mode; and controlling the USB audio adapter to continue operating in the disconnected mode according to the detection result, or controlling, according to the detection result, the USB audio adapter to operate in a connected mode and transmit audio data to the host and/or receive audio data from the host.
Sound processing unit, sound processing system, audio output unit and display device
Practical speaker connection is identified using a device having a sound channel of a 5.1 channel or 7.1 channel, and a device is provided that can easily reproduce the optimum multiple channels. Actual speaker arrangement can be identified by, for example, measuring the impedance of a terminal at the side of an audio amplifier. If incorrect connection is found, a warning is issued. This information is transmitted to a signal source with an EDID and a signal with the optimum a number of sound channel is sent. The EDID is also used for the connection with a display unit and the speaker connection with which the display unit is provided uniquely. For example, a sound through the 7.1 channel is easily reproduced using the speaker of the display unit in the channel of the front speaker.
Microphone module with shared middle sound inlet arrangement
The present invention relates to a microphone module comprising a first directional microphone comprising a front sound inlet and a front membrane, a second directional microphone comprising a rear sound inlet and a rear membrane, and a middle sound inlet arrangement being acoustically connected to the front and rear membranes, said middle sound inlet arrangement comprising acoustical resistance means arranged at least partly therein. The microphone module aims at generating a cardioid and an anti-cardioid response, or alternatively any other back-to-back polar patterns.
Speaker device and audio output device including the same
A coaxial speaker device using a P-type speaker and an audio output device including the same are provided. The speaker device includes a first speaker configured to output a high-pitched audio, a second speaker including a P-type magnet and configured to output a low-pitched audio, and a holder configured to coaxially couple the first speaker and the second speaker. The holder includes a first protrusion configured to be coupled to a lower end of the first speaker and a second protrusion configured to be coupled to an upper end of the second speaker.
Method, apparatus, and system for supplying power to active noise reduction headset
Embodiments of the present invention provide a method, an apparatus, and a system for supplying power to an active noise reduction headset The method for supplying power to an active noise reduction headset includes: receiving a signal of first voltage transmitted by the terminal; processing the signal of the first voltage to obtain a signal of second voltage, where the second voltage is less than the first voltage, and the signal of the second voltage is transmitted to a noise reduction chip of the active noise reduction headset, so that the noise reduction chip of the active noise reduction headset acquires the signal of the second voltage to implement a noise reduction function. The method, apparatus, and system for supplying power to an active noise reduction headset provided in the embodiments of the present invention are used to supply power to the active noise reduction headset.
To enhance positional accuracy of a speaker unit and to prevent sound leakage of sound outputted from the speaker unit and air leakage. Included are: a display configured to allow an image to be displayed on a display screen; a front board mounted on a front side of the display; a mount frame that is mounted on a rear surface side of the front board and includes a speaker mount section; a speaker bracket that is mounted on the speaker mount section and includes a sound output hole; and a speaker unit that is attached to the speaker bracket and includes a sound output section. The speaker mount section is provided with an insertion hole. The front board is provided with a mount hole superposed on the insertion hole. The speaker bracket is provided with a mount protrusion that is inserted in the insertion hole and the mount hole and is positioned with respect to the mount hole. The speaker bracket is provided with a sealing cushion located around the sound output section.
Distributed antenna system architectures
Optical fiber-based wireless systems and related components and methods are disclosed. The systems support radio frequency (RF) communications with clients over optical fiber, including Radio-over-Fiber (RoF) communications. The systems may be provided as part of an indoor distributed antenna system (IDAS) to provide wireless communication services to clients inside a building or other facility. The systems incorporate various functions, such as optical network terminal (ONT), splitter, and local powering, in antenna coverage areas.
Optical transmission method and optical transmission apparatus
The present application discloses example optical transmission apparatuses, where one example apparatus includes a filter, a router, and an optical multiplexer. The filter is connected to the router, and the router is connected to the optical multiplexer. The filter performs parity optical demultiplexing on 2N input optical signal groups by using 2N comb filters to obtain 2N odd optical signal groups and 2N even optical signal groups, and sends the 2N odd optical signal groups and the 2N even optical signal groups to the router. The router separately routes the 2N odd optical signal groups and the 2N even optical signal groups to the optical multiplexer by using at least four AWGRs. The optical multiplexer performs, by using 2N optical multiplexers, optical multiplexing on 4N optical signal groups output by the router to obtain 2N output optical signal groups.
Connector element information detections
A device receives an analog voltage signal over a single physical electrical connection. The analog voltage signal can be converted into a digital value which can then be correlated to (i) an indication of a connection state of the primary device, and (ii) information about another device (or set of devices) which is connected to the device.
Supporting trickplay of streaming DLNA multimedia by HLS access device
Methods, systems, and computer readable media can be operable to facilitate the generation of a continuous multimedia stream during trickplay operations. When a trickplay request is received by a device that is processing a video stream for delivery to a media player, the device may modify the video stream to create a seamless delivery and playback of the underlying content at the media player. In response to a trickplay request such as a pause request or seek request, the device may identify a seek target based on the request and may initiate a new video stream that begins at the identified seek target. The device may further modify the new stream by trimming from the stream any content that is already stored or cached at the media player, thereby creating a video stream without any discontinuities.
Methods, systems, and media for recommending media content based on attribute grouped viewing sessions
Methods, systems, and media for recommending media content based on attribute grouped viewing sessions are provided. In some embodiments, the method comprises: receiving an authorization to access a media content consumption history associated with an authenticated user account, wherein the media content consumption history includes a plurality of viewing sessions that each include media content items that have been consumed during that viewing session and wherein each of the plurality of viewing sessions is associated with session attribute information; determining whether the session attribute information associated with the plurality of viewing sessions meets session attribute criteria; generating a plurality of session group profiles by grouping a subset of viewing sessions from the plurality of viewing sessions based on the session attribute information meeting the session attribute criteria; determining that a user device using the authenticated user account is consuming a media content item in a current viewing session; determining whether the user device is likely to view additional media content items associated with at least one of the plurality of session group profiles by comparing session attributes of the current viewing session with each of the plurality of session group profiles; in response to determining that the current viewing session matches a session group profile from the plurality of session group profiles based on the comparison, combining the media content items associated with the session group profile with the media content item in the current viewing session; and causing a recommended media content item to be presented on the user device for the user of the authenticated user account, wherein the recommended media content item is selected from the combined media content items.
Display of content in a program guide based on immediate availability of the content
Data associated with content available for immediate viewing is aggregated into a program guide. A plurality of content sources for content available for immediate viewing is mined to obtain data associated with the content available for immediate viewing from the plurality of content sources. The mined data is processed to create a program guide identifying the content available for immediate viewing. The program guide displaying the identified content available for immediate viewing is presented to a user.
Methods, systems, and media for presenting a suggestion to watch videos
Methods, systems, and media for presenting a suggestion to watch videos are provided. In accordance with some embodiments, a method for presenting a suggestion to watch videos is provided, the method comprising: receiving, from a user device, a message that includes a link to a video; determining whether the link has been selected; in response to determining that the link has not been selected, determining a probability value that indicates a likelihood that a user associated with the user device would be interested in viewing the video; in response to determining that the probability value is greater than a predetermined threshold value, determining a time to suggest that the user view the video based at least in part on information relating to movement of the user device; and causing a suggestion to view the video to be presented in a suggestion interface on the user device at the determined time.
System and method for detecting unknown TV commercials from a live TV stream
Unknown potential commercials are detected in a video data stream that contains segments of program type content, and blocks of commercial content. Each block includes a plurality of successive individual commercials. A library of known commercials is maintained in a first database. A video data stream is received in a video processing engine which includes a search engine that is in communication with the first database. The search engine identifies all known commercials in the video data stream and their respective start and end times. The video processing engine identifies all time segments that are sandwiched between the known commercials. The video processing engine filters out as a potential commercial any identified time segments that are significantly longer than the time length of a commercial. The video processing engine designates content of each of the time segments that were not filtered out as being one or more unknown potential commercials.
Methods and apparatus to detect people
Example apparatus disclosed herein include processor circuitry and memory including machine executable instructions which, when executed, cause the processor circuitry to generate a first presence indication based on a threshold number of portions of an image including a first human pulse waveform. The example instructions, when executed, also cause the processor circuitry to identify a first location associated with a face in the image based on thermal imaging data, and adjust a first count based on a comparison of the first location associated with the face and a second location associated with the first presence indication.
Presenting multimedia content from multiple sources at a same time
A device is configured to tune multiple tuners to multiple television channels. The device may receive image data and audio data for the television channels from the tuners. The device may provide the image data from the tuners for display on a display device and for display at a same time. The device may assign the audio data from a group of the tuners to respective audio channels. The device may provide the audio data from the group of tuners for output at the same time via the respective audio channels.
Intelligent device system and method for distribution of digital signals on a wideband signal distribution system
A plurality of intelligent device systems for use with a wideband signal distribution network, and methods for transmitting digital information and receiving digital and non-digital information onto and off of an RF carrier through a wideband signal distribution network, are disclosed. The intelligent device systems provide networks of intelligent devices that modulate and demodulate digital video, IP video/data/voice and digital wireless onto, and off of, a wideband signal distribution system, such as an analog carrier system, using existing EIA/TIA 568 standard wiring infrastructure. The methods modulate and demodulate digital video, IP video/data/voice and digital wireless onto, and off of, a wideband distribution system, such as an analog carrier system, and separate IP portions from non-IP portions.
Methods and systems for identifying a recording conflict for a media program scheduled to be recorded in the future
An exemplary method includes a web services provider system detecting an input command provided by a user during a scheduling session and representative of a request for a local digital video recording (“DVR”) system to record a media program during a presentation time period that is subsequent to the scheduling session. During the scheduling session and in response to the input command, the web services provider system identifies a maximum number of media programs other than the media program and that are already scheduled to be concurrently recorded by the local DVR system at any given time during the presentation time period, determines whether the maximum number equals a maximum recording limitation of the local DVR system, and performs, based on the determination whether the maximum number equals the maximum recording limitation of the local DVR system, a predetermined action with respect to the media program.
Method and apparatus for augmenting media services
A system that incorporates teachings of the present disclosure may include, for example, a media processor that includes a memory and a controller coupled to the memory. The controller can be programmed to receive media content from a set top box where the set top box is a separate device from the media processor and where the media content includes video content. The controller can also be programmed to receive supplemental content from a mobile communication device where the supplemental content is based on reading of a two dimensional bar code by the mobile communication device, and where the supplemental content comprises an image. The controller can further be programmed to generate augmented content by overlaying the supplemental content with the media content and to provide the augmented content to a display device for presentation.
Set top/back box, system and method for providing a remote control device
A set top/back box and system and method for providing a remote control device are disclosed. In one embodiment, one or more wireless transceivers are located within a housing, which also interconnectively includes television input/output, a processor, and memory. The set top/back box may establish a pairing with a programmable device, such as a proximate wireless-enabled interactive handheld device having a touch screen display, whereby formatted parallel audiovisual experience instructions, including virtual buttons, may be transmitted to the programmable device for display on the touch screen display to create an experience parallel to the experience on the television. The set top/back box receives and processes virtual remote control functionality input instructions from the programmable device to control amenities associated with the set top/back box.
Systems and methods for automatically recording content based on user web activity data
Systems and methods for automatically recording content based on user web activity data are provided. One such method includes receiving, by a receiving device, user web activity information associated with a user of the receiving device. The receiving device further receives content information associated with program content that will be available for viewing via the receiving device at a future time. The received user web activity information and the content information are compared to determine program content relevant to the user. A timer is automatically set, in advance of a time when the relevant program content will be available for viewing, to record the program content relevant to the user when the program content becomes available for viewing.
Systems and methods for non-linear optimization of audience reach
Methods and systems are disclosed for an optimization system that recommends amounts of resources for use in reaching viewers during a media asset. The optimization system, using control circuitry, receives a user input of a first value of a resource and determines a first rate at which a number of unique household viewers reached during a first media asset changes for the first value. The optimization system compares the first rate to a threshold rate and determines whether the first rate equals or exceeds the threshold rate. The optimization system, in response to determining that the first rate does not equal or exceed the threshold rate, recommends a second value to the user.
Digital broadcasting receiver and method for controlling the same
A method of processing broadcast data includes: performing RS encoding and CRC encoding on mobile service data to generate an RS frame belonging to an ensemble including a signaling information table including access information of the mobile service data and identification information for identifying a stream where keys to decrypt the mobile service data are obtained; mapping a portion of data in the RS frame to a group including known data sequences, FIC data, and TPC data, wherein the FIC data includes information for rapid mobile service acquisition, and the TPC data includes FIC version information for indicating an update of the FIC data; and transmitting a broadcast signal including the group. The group further includes data blocks. First, fourth, fifth and sixth known data sequences are inserted into third, fifth, sixth and seventh data blocks, respectively. Second and third known data sequences are inserted into a fourth data block.
Method and system for communicating inserted material to a client device in a centralized content distribution system
A system and method includes a local area network, a client device, a replacement metadata determination module and a server device in communication with the client device through the local area network. The server device communicates main content to a client device. The main content comprises a plurality of main content packets. The server device determines main content metadata from the main content prior to communicating main content to the client device and determines insert content metadata from insert content. The insert content comprises a plurality of insert packets comprising the insert content metadata. The replacement metadata determination module determines a replacement metadata for the insert content based on the main content metadata. The server device replaces the insert metadata with the replacement metadata to form modified insert packets and communicates modified insert packets to the client device thereafter.
Vehicle entertainment system
A vehicle entertainment system including a server storing media files, and smart monitors. Each smart monitor presents media selections corresponding to the media files and receives an input from passengers for playing a selection. Each smart monitor includes local content storage storing a subset of the media files. A network connects the smart monitors and server. Program logic executed by each smart monitor performs tasks including determining if a media file corresponding to an input is available from a first source, and if available, playing the media file from the first source; if the media file is not available there, determining if the media file required is available from a second source and if available, playing the media file from the second source; and if the media file is not available from the second source, determining if the media file is available from a third source.
Intra prediction method and apparatus using the method
An intra prediction method and a device using the intra prediction method are provided. The intra prediction method using a DC mode includes setting a bottom-right pixel to a DC-predicted value, interpolating the bottom-right pixel and an n-th top reference pixel to derive predicted values of an n-th column and interpolating the bottom-right pixel and an n-th left reference pixel to derive predicted values of an n-row, and performing bidirectional linear interpolation to derive predicted values of pixels included in a prediction unit other than the n-th row and the n-th column.
Motion compensation using a patchwork motion field
Techniques for direct mode video coding/decoding techniques. According to one embodiment, various blocks in B frames may use motion vectors from different reference frames (P frames or B frames), according to what is referred to herein as a patchwork motion field. Different blocks of a given frame may use motion vectors inherited from different frames for purposes of computing a predicted block for the given frame.
Method and apparatus for encoding residual block, and method and apparatus for decoding residual block
A decoding apparatus includes a splitter which splits the image into a plurality of maximum coding units, hierarchically splits a maximum coding unit among the plurality of maximum coding units into a plurality of coding units, and determines one or more transformation residual blocks from a coding unit among the plurality of coding units, wherein the one or more transformation residual blocks include sub residual blocks, a parser which obtains an effective coefficient flag of a sub residual block among the sub residual blocks from a bitstream, the effective coefficient flag of the sub residual block indicating whether at least one non-zero effective transformation coefficient exists in the sub residual block, and when the effective coefficient flag indicates that at least one non-zero transformation coefficient exists in the sub residual block, obtains transformation coefficients of the sub residual block based on location information of the non-zero transformation coefficient and level information of the non-zero transformation coefficient obtained from the bitstream, and an inverse-transformer which performs inverse-transformation on a transformation residual block including the sub residual block based on the transformation coefficients of the sub residual block.
Method and apparatus for managing buffer for encoding and decoding multi-layer video
Provided is a multi-layer video decoding method for efficiently obtaining, from a bitstream, information indicating a maximum size of a decoded picture buffer (DPB) regarding a layer set including a plurality of layers.
Method and apparatus of inter-layer filtering for scalable video coding
A method and apparatus for inter-layer prediction for scalable video coding are disclosed. Embodiments according to the present invention apply inter-layer adaptive filtering to the video data derived from the reconstructed BL video data to generate inter-layer adaptive filtered data. The inter-layer adaptive filtered data is then included as prediction data to encode or decode the EL video data. The video data derived from the reconstructed BL video data is up-sampled before applying inter-layer adaptive filtering. The up-sampling may also be included in the inter-layer adaptive filtering. In another embodiment, the inter-layer adaptive filtering comprises adaptive up-sampling. For up-sampled BL video data at locations not collocated with the EL video data, the up-sampled BL video data is divided into location types according to locations of the up-sampled BL video data. Each location type may have an individual filter for up-sampling video data in the group.
Advanced residual prediction in scalable and multi-view video coding
In an example, a method of coding video data includes determining a partition mode for coding a block of video data, where the partition mode indicates a division of the block of video data for predictive coding. The method also includes determining whether to code a weighting factor for an inter-view residual prediction process based on the partition mode, where, when the weighting factor is not coded, the inter-view residual prediction process is not applied to predict a residual for the block. The method also includes coding the block of video data with the determined partition mode.
Video decoder with enhanced CABAC decoding
A decoder receives a bitstream containing quantized coefficients representative of blocks of video representative of a plurality of pixels and decodes the bitstream using context adaptive binary arithmetic coding. The context adaptive binary arithmetic coding decodes the current syntax element using the first mode if the current syntax element is intra-coded and selecting between a first set of probable modes and a second set of probable modes, where the first set of probable modes are more likely than the second set of probable modes. The context adaptive binary arithmetic coding decodes the current syntax element using the second mode if the current syntax element is intra-coded and if selecting among one of the second set of probable modes.
Method to encode video with close multiple scene changes
A video encoding method is provided when three scenes are separated by two closely spaced scene changes. For scene changes spaced greater than a threshold, scene changes are programmed with I frames in a normal fashion. If less than the threshold, the method encodes depending on complexity of the first, second and third scene to determine how to encode the scene changes. To compare complexities, the process begins by using X1, X2, and X3 to note respectively the complexities of the first, the second and the third scenes. If the absolute difference of X1 and X2 is higher than a first threshold and the absolute difference of X2 and X3 is higher than a second threshold, the first scene change is more significant than the second scene change, so in that case the process encodes the first scene change as an I-frame and picks a quantization parameter (QP) based on the complexity blended from the complexity of scene 2 (X2) and scene 3 (X3).
Method and apparatus for encoding/decoding video using split layer
A method performed by an apparatus of decoding a video in the unit of blocks, includes: extracting and decoding a first information corresponding to a minimum block size and a second information corresponding to a difference between the minimum block size and a maximum block size, from a bitstream; calculating the maximum block size based on the first information corresponding to the minimum block size and the second information corresponding to the difference; decoding, from the bitstream, partition information of a square current block having the derived maximum block size to identify one or more subblocks in the current block which have sizes equal to or larger than the minimum block size; decoding a prediction mode information of each of the subblocks, the prediction mode information indicating whether a subblock is inter-predicted or intra-predicted; and reconstructing each of the subblocks in the current block by predicting each of the subblocks.
Cell-based compression with edge detection
An example embodiment may involve obtaining an a×b pixel macro-cell from an input image. Pixels in the a×b pixel macro-cell may have respective pixel values and may be associated with respective tags. It may be determined whether at least e of the respective tags indicate that their associated pixels represent edges in the input image. Based on this determination, either a first encoding or a second encoding of the a×b pixel macro-cell may be selected. The first encoding may weigh pixels that represent edges in the input image heavier than pixels that do not represent edges in the input image, and the second encoding might not consider whether pixels represent edges. The selected encoding may be performed and written to a computer-readable output medium.
Image transmission device, image transmission method, image reception device, and image reception method
In prior art documents, no consideration is given as to how to more faithfully preserve image (here and subsequently also termed “video”) data of larger size during transmission. Provided is an image transmission device for transmission of image data, characterized by having a compression processor for compressing image data, and an output section for outputting compressed data having been compressed by the compression processor, the output section outputting the compressed data separately during a first interval and a second interval different from the first interval.
Autostereoscopic 3-dimensional display
The present disclosure relates to an autostereoscopic three-dimensional (or, 3D) display using a switchable barrier. The present disclosure provides an autostereoscopic 3D display comprising: a display panel including a plurality of pixels arrayed in a matrix manner; and a switchable barrier disposed on a front surface of the display panel, wherein the switchable barrier includes: a lower substrate having first lower electrodes, a first passivation layer covering the first lower electrodes, second lower electrodes on the first passivation layer, a second passivation layer covering the second lower electrodes, and third lower electrodes on the second passivation layer; an upper substrate having an upper electrode facing with the first lower electrodes, the second lower electrodes and the third lower electrodes; and a liquid crystal layer disposed between the lower substrate and the upper substrate.
Projection display component and electronic device
A projection display component of an electronic device includes a carrier and a first cover. The carrier is arranged to carry the electronic device. The first cover is arranged to partially reflect a projected image from the electronic device. The first cover is attached to the carrier via a first hinge set.
Low-light image quality enhancement method for image processing device and method of operating image processing system performing the method
A method of enhancing a low-light image includes receiving a first image from an RWB image sensor, receiving a second image from an RGB image sensor, receiving an illumination value from an illumination sensor, and selecting at least one of the first and second images and generating a third image using the at least one selected image.
Image sensor including color separation element and image pickup apparatus including the image sensor
An image sensor includes a pixel array having a Bayer pattern structure including a first pixel row in which first pixels and second pixels are alternately provided and a second pixel row in which additional ones of the second pixels and third pixels are alternately provided, a first element to control light of a first wavelength band to travel in directions toward left and right sides of the first element and to control light of a second wavelength band of the incident light to travel in a direction directly under the first element, and a second element to control light of a third wavelength band to travel in the directions toward the left and right sides of the second element and to control the light of the second wavelength band to travel in a direction directly under the second element.
An imaging device includes a plurality of first pixels that includes pixels of a plurality of color components and generates a first signal from incident light, a plurality of second pixels that generates a second signal from light that has transmitted at least a part of the first pixels, and a signal generation unit that generates a signal obtained by combining the first signal and the second signal.
Train asset tracking based on captured images
A system for tracking train assets is disclosed. The tracking system may include an image capture device configured to collect an image data set of a train asset and an area surrounding the train asset. Furthermore, the image data set may be associated with a time stamp and in one non-limiting example, the time stamp provides a collection time of the image data set. In some embodiments, a controller may be configured to receive the image data set and to perform an analysis of the image data set and the analysis provides a track location of the train asset and an identification of the train asset.
Methods and apparatus for controlling one or more devices using a computing device, such as a wearable computing device, are disclosed. Using a sensor associated with a wearable computing device, one or more inputs are generated at the wearable computing device. As one example, the sensor can be an image capture device, and the inputs can be one or more images from a point of view of a person associated with the computing device. As another example, the sensor can be a motion sensor, and the input can be locations and/or orientations, and a gaze direction can be determined. The computing device can determine an object of interest based on the inputs. A control signal can be generated for the object of interest. The control signal can be transmitted from the computing device.
Integrity verification of an audio-visual data stream
Methods and systems are provided for integrity verification of an audio-visual data stream. The method includes inserting a watermark into a frame of the visual data stream or into an audio window of a corresponding audio data stream, where the watermark includes: a hash code of the previous frame of the visual data stream and a hash code of the audio window of the audio data stream, and where the audio window corresponds in time to the previous frame of the visual data stream.
Digital camera raw image support
RAW camera images may be processed by a computer system using either a particular application or a system level service. In either case, at least some parameters needed for the processing are preferably separated from the executable binary of the application or service, and are provided in separate, non-executable, data-only files. Each of these files can correspond to a particular camera or other imaging device. When a user of the system attempts to open a RAW image file from an unsupported device, the local system may contact a server for on-demand download and on-the-fly installation of the required support resource.
Image processing device, display device, and image processing method
A projector is configured so as to be able to perform a plurality of types of image processing on processing target data in the case in which one of still image data and data of a frame constituting video data is input as the processing target data. A video processing section includes a selector for controlling an execution sequence of the types of image processing to be executed, and a panel correction section for outputting the processing target data having been processed in the execution sequence controlled by the control section.
Display apparatus and method for controlling display apparatus
A display apparatus that displays an image includes a connection unit that is connected to an external apparatus and receives an image signal and a control signal from the external apparatus, a display unit that displays an image based on the image signal received by the connection unit, and a control unit that performs reconnection action of causing the connection unit to enter a first state in which the control unit recognizes that the external apparatus has not been connected to the connection unit and then causing the connection unit to enter a second state in which the control unit recognizes that the external apparatus has been connected to the connection unit.
Solid-state image pickup element and image pickup system
At least one solid-state image pickup element includes a plurality of pixels that are arranged in a two-dimensional manner. Each of the plurality of pixels includes a plurality of photoelectric conversion units each including a pixel electrode, a photoelectric conversion layer disposed on the pixel electrode, and a counter electrode disposed such that the photoelectric conversion layer is sandwiched between the pixel electrode and the counter electrode. In one or more embodiments, each of the plurality of pixels also includes a microlens disposed on the plurality of photoelectric conversion units.
Threshold-monitoring, conditional-reset image sensor
An image sensor architecture with multi-bit sampling is implemented within an image sensor system. A pixel signal produced in response to light incident upon a photosensitive element is converted to a multiple-bit digital value representative of the pixel signal. If the pixel signal exceeds a sampling threshold, the photosensitive element is reset. During an image capture period, digital values associated with pixel signals that exceed a sampling threshold are accumulated into image data.
Solid-state imaging element with latch circuits and electronic device equipped with the same
A pixel includes detection portions which detect transferred charges, a reset portion which resets the plurality of detection portions, a connection/separation control portion which controls connection and separation of the detection portions, and an output portion which outputs a signal corresponding to the potential of a detection portion. In a state where the connection/separation control portion connects the detection portions, the output portion outputs a connection-state reset level signal and a connection-state output signal and, in a state where the connection/separation control portion separates the detection portions, the output portion outputs a separation-state reset level signal and a separation-state output signal. A first pixel signal is generated by a difference between the connection-state reset level signal and the connection-state output signal, and a second pixel signal is generated by a difference between the separation-state reset level signal and the separation-state output signal.
Imaging device, imaging system, and imaging method
An imaging device is provided with a condition designating unit which designates, by time division, imaging conditions for capturing an image, and light emission conditions for emitting auxiliary light, an imaging section which captures an image including a subject according to the imaging conditions, a light emitting unit which emits auxiliary light with respect to the subject according to the light emission conditions, and an image composer which composes a first image that is captured under a first imaging condition during a light emission period in which the auxiliary light is emitted and a second image which is captured under a second imaging condition during a non-light-emission period which is continuous to the light emission period and in which the auxiliary light is not emitted, in which quality of an image which is captured in a low illumination environment is improved.
Compensation circuit for an x-ray detector
A pixel circuit includes a voltage compensation circuit connected to a body terminal of the pixel's switching TFT to compensate for a decreasing threshold voltage drift of the TFT.
Distribution-point-based adaptive tone mapping
A method for tone mapping includes configuring, by at least one processor, at least one tone mapping function based on a measure of a distribution of luminance values within video data. The measure of a distribution of luminance values represents a luminance level at which a predetermined percentage of pixels of the video data have luminance values satisfying a threshold condition. The method includes generating a tone mapped video by applying the at least one configured tone mapping function to the video data.
Method and apparatus for compositing image by using multiple focal lengths for zooming image
Provided are an image zooming method and an image zooming apparatus for optical zooming by using a plurality of lenses with different focal lengths. The image zooming method includes capturing an identical scene via a plurality of lenses; obtaining a first image and a second image of the identical scene that have different resolving powers; determining a first area of the first image and a second area of the second image which corresponds to the first area; and generating a composite image the second area and a remaining area of the first image from which the first area is excluded.
Method for the transformation of a moving image sequence and moving image sequence transformation device
A method is provided for the transformation of a moving image sequence and a moving image sequence transformation device designed for executing the transformation method. For a current individual image of the moving image sequence, the method forms a transformation basis (1) in which a first individual image, the current individual image, and a second individual image are arranged adjacent to each other. Intersection points (S1, S2) are determined for connecting lines (7, 8) which extend from image points corresponding to each other from the first individual image and the current individual image and from the current individual image to the second individual image, comprising image starting limits and image end limits (15, 16) of the current individual image. A new image point position of an image point in the current individual image results from averaging the intersection points.
Image processing apparatus and method of controlling image processing apparatus
An image processing apparatus comprising: a first obtaining unit configured to obtain a focal length of an imaging optical system; a second obtaining unit configured to obtain a distance to a subject; a setting unit configured to set a movable range for a correction unit configured to correct camera shake, based on the focal length and the distance to a subject; and a calculation unit configured to calculate a correction amount for correcting the camera shake within the movable range that was set by the setting unit, based on a camera shake signal from a camera shake detection unit configured to detect camera shake and output the camera shake signal.
Image stabilizing method and apparatus
Provided are an image stabilizing apparatus and method thereof. The image stabilizing apparatus performs image stabilization by using both an image sensor and a motion sensor. Image distortion and movement are stably corrected by using both the position of a feature point, which is extracted by the image sensor and image processing, and the movement position of the feature point, which is predicted by the motion sensor.
Information processing apparatus, mode selection method, and mode selection program
There is provided an information processing apparatus capable of setting a privacy mode intuitively and easily. The information processing apparatus capable of selecting the privacy mode includes: an imaging unit configured to acquire an image; a determination unit configured to acquire an output value related to the brightness of the image acquired by the imaging unit to determine whether the output value related to the brightness of the image meets a predetermined condition; and a mode selection unit configured to select the privacy mode when the determination unit determines that the output value related to the brightness of the image meets the predetermined condition.
Panoramic imaging apparatus and system, method of generating panoramic image using panoramic imaging system, computer-readable recording medium, and computer program stored in computer-readable recording medium
Provided are a panoramic imaging apparatus, a panoramic imaging system, a method of generating a panoramic image using the panoramic imaging system, a computer-readable recording medium, and a computer program stored in a computer-readable recording medium The panoramic imaging apparatus includes a first camera module capturing an omnidirectional image, a second camera module positioned a certain distance away from the first camera module and capturing an omnidirectional image, and a controller generating and storing an image frame based on the omnidirectional image captured by at least one of the first camera module and the second camera module Each of the first camera module and the second camera module includes two lenses having a viewing angle greater than or equal to 180°, sharing an optical axis, and formed to be convex in opposite directions of each other to capture the omnidirectional image.
Method for stitching together images taken through fisheye lens in order to produce 360-degree spherical panorama
The present invention is to provide a method for enabling an electronic device to read at least two images taken from different positions by a digital camera mounted with a fisheye lens; acquire internal and external parameters of the fisheye lens corresponding to the different positions as well as the vignetting coefficient for eliminating the vignetting on the images; perform exposure compensation and color calibration on the images for letting them have consistent brightness and hues; project the images onto a spherical surface and spread out the spherical surface to form a two-dimensional spread-out picture based on the parameters; register the overlapped images projected on the two-dimensional spread-out picture and adjust the offset of corresponding pixels thereof, register and adjust the brightness and hues of the overlapped images into consistency; and fuse overlapped images together to produce a 360-degree spherical panorama without having any noticeable stitching seam between the images.
System and method for controlling a specimen scanner remotely
This disclosure teaches a system and method for controlling a specimen scanner remotely. In one embodiment, a method for controlling a specimen scanner remotely can comprise the step of communicating with a specimen scanner to a network. The specimen scanner can comprise a camera, a stage, one or more lenses, and one or more light sources. The method can comprise the additional step of providing a graphical user interface to a remote computer connected to the network. The graphical user interface can be operable to control the camera, choose one of the one or more lenses, and adjust the one or more light sources. The method can further comprise the step of receiving instructions from the remote computer, and controlling the specimen scanner based on those instructions.
Methods and apparatus to capture photographs using mobile devices
Methods and apparatus to capture photographs using mobile devices are disclosed. An example apparatus includes a photograph capturing controller to capture a photograph with a mobile device. the example apparatus further includes a perspective analyzer, implemented by the mobile device, to analyze the photograph to determine a probability of perspective being present in the photograph. The example apparatus also includes a photograph capturing interface to prompt a user to capture a new photograph when the probability of perspective exceeds a threshold.
Imaging apparatus for imaging during panning imaging when a self-timer is set to on
A system control unit deactivates a self-timer imaging setting in a case where an imaging mode of panning imaging is set, an attitude detection unit has detected a movement of a main body corresponding to the panning imaging, or a panning imaging setting is ON.
Image acquisition and management using a reference image
A reference image of one or more objects is displayed on the display of a mobile device in a manner that allows a user of the mobile device to simultaneously view the reference image and a preview image of the one or more objects currently in a field of view of a camera of the mobile device. An indication is provided to the user of the mobile device whether the camera of the mobile device is currently located within a specified amount of a distance at which the reference image was acquired. In response to a user request, the camera acquires a second image of the one or more objects and optionally a distance between the camera and the one or more objects at the time the second image was acquired is recorded. An image management application provides various functionalities for accessing and managing image sequences.
System, method and computer program product for contextual focus/zoom of event celebrities
A contextual zoom control method, system, and computer program product, includes detecting faces in an area of interest when a user is performing an image capturing action, extracting a facial image for each of a set of key individuals attending an event where the user is performing the image capturing action, creating a ranked list of the set of key individuals according to a predetermined parameter of each key individual, pairing each detected face with a matching extracted facial image to label an identity of each key individual in the area of interest, and in a single individual capturing mode, performing a camera function to assist the user in performing the image capturing action on the identity that is paired with a highest ranked individual on the ranked list within the area of interest.
Speech and computer vision-based control
The present disclosure relates to a method for controlling a digital photography system. The method includes obtaining, by a device, image data and audio data. The method also includes identifying one or more objects in the image data and obtaining a transcription of the audio data. The method also includes controlling a future operation of the device based at least on the one or more objects identified in the image data, and the transcription of the audio data.
Capacitive auto focus position detection
Some embodiments include an electrically conductive capacitor plate mounted to a chassis supporting an actuator using one or more suspension wires. In some embodiments, the first electrically conductive capacitor plate is electrically connected with an electrically conductive coil of the actuator. Some embodiments include the electrically conductive coil. In some embodiments, a capacitance between the first electrically conductive capacitor plate and the electrically conductive coil varies as function of the position of the electrically conductive coil relative to the first electrically conductive capacitor plate.
An apparatus can include a processor; memory; a touchscreen display; a network interface; a camera that includes a lens; an operating system executable by the processor to establish an operating system environment; applications that execute within the operating system environment to establish corresponding application states where the applications include a camera application to establish a camera state; a housing that houses at least the processor and the camera and that includes a surface where the surface includes an opening for the lens of the camera; a cover that includes a flap where the flap includes a closed orientation with respect to the opening and an open orientation with respect to the opening; and circuitry that switches from an existing application state to the camera state responsive to a transition of the flap from the closed orientation to the open orientation.
Interchangeable mounting platform
A platform for interchangeably mounting a payload to a base support is provided. In one aspect, the platform comprises: a support assembly configured to be releasably coupled to a payload via a first coupling and configured to control a spatial disposition of the payload; and a mounting assembly configured to be releasably coupled via a second coupling to a plurality of types of base supports selected from at least two of the following: an aerial vehicle, a handheld support, or a base adapter mounted onto a movable object.
VLC-based video frame synchronization
A VLC signal representing an alignment identifier is detected by cameras (4) of multiple user devices (1, 2, 3) filming a scene. Encoded video frames (91, 92, 93) from the user devices (1, 2, 3) are decoded and light patterns representing the captured VLC signal are identified in at least some of the video frames following decoding. The light patterns are decoded into alignment identifiers that are used in order to time align video frames (91, 92, 93) from different user devices (1, 2, 3) to thereby achieve video frame synchronization of video data from multiple user devices (1, 2, 3) recording a scene. The embodiments thereby enable video frame synchronization without the need for accurate clock synchronization between the user devices (1, 2, 3) and a video synchronization system (10).
Techniques for advanced chroma processing
Image and video processing techniques are disclosed for processing components of a color space individually by determining limits for each component based on the relationship between each component in a color space. These limits may then be used to clip each component such that the component values are within the determined range for that component. In this manner, more efficient processing of images and/or video may be achieved.
Method and system for managing image forming apparatus through network
A method of managing an image forming apparatus through a network, the method including: logging in to a server through a diagnostic control unit application from a user terminal; receiving, by the user terminal, device information of an image forming apparatus from the image forming apparatus; requesting for and receiving, by the user terminal, diagnostic control unit information corresponding to the received device information from the server; performing a diagnostic control on the image forming apparatus through the diagnostic control unit application by using the received diagnostic control unit information; and uploading results of performing the diagnostic control on the server.
Control device performing error diffusion process using modified evaluated density value
In an error diffusion process, a control device determines a dot value of a target pixel by using a gradation value of the target pixel, and an error value. The control device determines distribution error value by comparing a gradation dependent value with a first evaluated density value indicating a density of a first dot. The control device determines the distribution error value by using the first evaluated density value when the dot value of the target pixel indicates formation of the first dot and when the gradation dependent value is smaller than or equal to the first evaluated density value. The control device determines the distribution error value by using a modified evaluated density value greater than the first evaluated density value when the dot value indicates formation of the first dot and when the gradation dependent value is greater than the first evaluated density value.
Image forming apparatus, method, and storage medium storing a program
A first conversion into pixels of an obtained object, for which the processing for widening the width of the object is performed, is performed, and a second conversion into pixels of the object, for which the processing for widening the width of the object is not performed, is performed. When the first conversion is performed, a pixel is filled or is not filled with color depending on a position of a boundary of the object in the pixel. When the second conversion is performed, a pixel is filled with color if the position of the boundary of the object exists in the pixel.
Image processing apparatus capable of generating image, method of controlling the same, and storage medium
An image processing apparatus capable of generating printed matter desired by a user. An MFP as the image processing apparatus generates or changes print data for printing print contents on a recording sheet to generate printed matter. Print data including information on pages is acquired from an external apparatus. Information designating ones of the pages, which are to be rotated through 180 degrees, is acquired. Based on the print data, image data for a surface of a sheet is generated by arranging two or more pages on the surface of the sheet. If a page is not to be rotated through 180 degrees, image data is generated by arranging the pages in a predetermined layout, whereas if all pages are to be rotated through 180 degrees, image data is generated by arranging the pages in a different layout from the predetermined layout.
Illumination apparatus, sensor unit, and reading apparatus
An illumination apparatus includes a light source and an elongated light guide, wherein the light guide includes an emission surface that emits light from the light source and a reflection surface that reflects the light to the emission surface, the reflection surface includes a plurality of diffusion portions that diffuse the light, the diffusion portions have a shape of part of a sphere recessed from the reflection surface, a depth of the diffusion portions from the reflection surface is equal to or greater than 16.5% and equal to or smaller than 50% of a diameter of the sphere, and a width of the diffusion portions is equal to or greater than 0.1 mm and equal to or smaller than 50% of a width of the reflection surface.
Image processing apparatus and control method therefor, and storage medium
An image processing apparatus that is capable of calculating an appropriate replacement guide value of a part even in a case where the image processing apparatus operates under different operating modes. The image processing apparatus is capable of operating in a plurality of operating modes of different image forming speeds and has a replacement guide default value showing a guide for replacement of a part for each of the operating modes. A degree of wear of the part for each of the operating modes is calculated based on the replacement guide default value. The calculated degree of wear is, in a case where the operating mode is changed, converted to a degree of wear for the operating mode after the change, and a replacement guide value of the part in the operating mode is calculated after the change based on the converted degree of wear.
Image reading apparatus equipped with automatic document feeder and image forming apparatus having a blank-page determination feature
An image reading apparatus that is capable of determining whether an original is a blank-paper original without stopping a reading operation. A feeding unit feeds an original to a read position. A read unit is equipped with a plurality of line sensors that read the original at the read position. An obtaining unit obtains dust-position information about dust adhering to the read position based on image information that is obtained by reading a guide member arranged corresponding to the read position with the read unit before reading the original. A determination unit determines whether the original is a blank-paper original using image information corresponding to pixels without being affected by the dust that is obtained by excluding image information corresponding to the dust-position information from image information read by the line sensors of the read unit.
Image reading apparatus
An image reading apparatus includes a sensor unit configured to move, a first driven pulley and a second driven pulley disposed apart from each other in a movement direction of the sensor unit, a drive pulley and a third driven pulley disposed between the first driven pulley and the second driven pulley in the movement direction, and a belt wound around the first driven pulley, the second driven pulley, the drive pulley, and the third driven pulley. The belt is bent at positions where each of the first driven pulley, the second driven pulley, and the drive pulley contacts an inner surface of the belt and is bent at a position where the third driven pulley contacts an outer surface of the belt.
Image processing device that processes an image by acquiring processing information based on a processing identifier
An image processing device including a reception unit, an acquisition unit, an image reading unit, and a transmission unit. The reception unit receives a processing identifier associated with image reading processing. The acquisition unit acquires processing information associated with the processing identifier, the processing information including at least information regarding a storing location. The image reading unit reads an image on the basis of the processing information. The transmission unit transmits data of the read image to the storing location according to the processing information.
Image forming system, image forming apparatus, and non-transitory computer readable recording medium storing guide program
Upon detecting an internal error, an image forming apparatus displays a 2-dimensional code obtained by encoding guide data corresponding to an error type of the detected internal error, the guide data indicating (a) a distance and a direction to a guide object and (b) a guide text. A mobile terminal apparatus (a) photographs the 2-dimensional code, (b) decodes the photographed 2-dimensional code to guide data, (c) detects a direction of the mobile terminal apparatus using a direction detecting device, and (d) displays a scene image being photographed by an imaging device and notifies a user of a location of the guide object by displaying a guide marker with the guide text onto the scene image, the guide marker corresponding to (dl) a difference between the detected direction of the mobile terminal apparatus and the direction to the guide object and (d2) the distance to the guide object.
Image forming apparatus, method for controlling image forming apparatus, and storage medium
An image forming apparatus includes a reception unit configured to receive image data obtained by reading the document by a first reading unit or a second reading unit, a storage unit configured to store the image data received by the reception unit, a determination unit configured to, while the reception unit is receiving the image data of the document obtained by the first reading unit, determine whether the second side is a blank page from the image data of the document read by the second reading unit, and a control unit configured to, in a case where the determination unit determines that the second side is a blank page, control the reception unit not to reserve a storage area for storing the image data of the document read by the second reading unit in the storage unit.
Method and system for digitization of document
A method and a system for digitization of a document are disclosed. The document is scanned to generate an electronic document. One or more characters in a first set of portions of the electronic document are identified, based on a character recognition technique. Each portion in the first set of portions is classified in one or more groups based on at least a status of identification of the corresponding one or more characters. Further, one or more tasks are created for each of the one or more groups. The one or more tasks are transmitted to one or more crowdworkers, based at least on the respective type of the one or more tasks. Further, a response for each of the one or more tasks is received. Based on the received response, a digitized document is generated.
Technologies for converting mobile communications network billing records
Technologies for converting mobile communications network billing records include a billing record converter system. The billing record converter system receives a data usage billing record associated with a mobile computing device communicatively coupled to a long term evolution wireless communications network. The received data usage billing record is formatted according to a real-time data usage billing record format. The received data usage billing record is converted into a new data usage billing record formatted according to a roaming data usage billing record format that corresponds to a legacy wireless communications network. The new data usage billing record is transmitted to a billing system of the legacy wireless communications network for processing. In some embodiments, the billing record converter system cumulates and converts multiple data usage billing records associated with the mobile computing device into the new data usage billing record. Other embodiments are described and claimed.
Display dependent analytics
Apparatus and methods are disclosed for display dependent analysis of call data in an IBPX. In an example embodiment, an apparatus communicatively coupled to an IPBX server is configured to route VoIP calls in the IPBX. An interface circuit is configured to selected parameters of interest based on capabilities of a set of devices and generate subscription requests to subscribe the devices to the parameters of interest. A first processing circuit is configured to generate call summary metrics from call event messages for calls routed by the IPBX server. A second processing circuit subscribes a device identified in the subscription request to the selected set of parameters of interest identified in the subscription request. The second processing circuit evaluates call summary metrics for each parameter of interest subscribed to by the devices and provides results of the evaluation to devices that are subscribed to the parameter of interest.
Method, device, and system for managing a conference
A method can include the steps of logging in of mobile devices of participants when they are located in the same physical conference environment and managing the resources of these devices such that the resources of the logged-in devices are combined into an audio system to output audio conference information using a sound output process in the conference environment. The conference environment may be a conference room. The audio conference information may be audio to be output to the participants at the conference environment. The formed audio system can include speakers of the user devices for outputting such audio. The microphones of the user devices may also be used to form an audio input system for the conference for allowing audio of the participants to be received and transmitted during the conference. A communication system can be configured to implement embodiments of the method.
Systems and methods for mitigating and/or avoiding feedback loops during communication sessions
Methods and systems for facilitating a communication session receive a sound signal and determine at least one contributing source to the received sound signal from among a plurality of communication endpoints, wherein each respective communication endpoint of the plurality of communication endpoints is associated with a corresponding participant in the communication session and includes a microphone and loudspeaker. Based on a determination of multiple communication endpoints being co-located, one or more embodiments perform at least one of processing the received sound signal by selectively altering the received sound signal, or initiating an instruction to inhibit further contribution, to the sound signal, from at least one of the co-located multiple communication endpoints.
Apparatus, system and method of call notifications to active communication devices
An apparatus, system and method for call notifications to active communication devices are provided. At an apparatus comprising a processor and a communication interface, a call for a first device is received via the communication interface. When it is determined that a second device is active, a notification of the call is transmitted to the second device.
Systems and methods for routing callers to an agent in a contact center
Techniques for handling contacts and agents in a contact center system are disclosed. In one particular embodiment, the techniques may be realized as a method for handling contacts and agents in a contact center system including determining a first caller grade for a first call, determining a first agent grade for a first agent, and matching the first caller and the first agent based on a comparison of the first caller grade with the first agent grade.
Originating calls in a contact center either in a voice dialing mode or a text dialing mode
A dialing list comprising call records can be processed by a call handling component(s) in a contact center in various dialing modes. A call record may be processed to originate a voice call, where the agent manually dials the call as a voice telephone call. In another embodiment, the call record can be processed to originate a SMS text call, where the agent also determines when the call originates. In each embodiment, the agent is presented with a graphical user interface tailored to the dialing mode. The dialing mode used may be defined by the dialing list the call record is retrieved from, information from within the call record itself, application of a rule, or input from the agent. Once the dialing mode is selected, it may be altered under certain conditions. When the call is originated, various compliance oriented tests, including calling windows and call attempts, are performed.
Systems and methods for optimization of interactive voice recognition systems
Methods and systems for optimization of interactive voice recognition (IVR) system processes are provided. One or more desired optimization parameters can be determined based on an IVR transaction log that includes a plurality of IVR journeys. The IVR journeys can be filtered, transformed into vectors and/or clustered.
Client-specific control of shared telecommunications services
Aspects of the present disclosure are directed toward apparatuses, systems, and methods for providing remote services for endpoint devices of a plurality disparate client entities. In an example embodiment, an apparatus includes a computing server configured to provide VoIP communications for a plurality of endpoint devices respectively associated with a plurality of disparate client entities according to and responsive to client-specific sets of control data. The apparatus also includes a processing circuit configured to adjust routing of the VoIP communications by the computing server, in response to call event data generated by the computing server, by generating the client-specific sets of control data for each client entity according to a respective set of directives.
System and method for acoustic echo cancellation
A system and method for acoustic echo cancellation is provided. Embodiments may include receiving, at one or more microphones, an audio reference signal from an audio speaker. Embodiments may also include filtering the audio reference signal using one or more adaptive audio filters. Embodiments may further include analyzing a level of signal energy of the audio reference signal with regard to time, frequency and audio channel to identify at least one maximum error contribution point. Embodiments may also include updating the one or more adaptive audio filters based upon, at least in part, the analyzed audio reference signal.
Invalid area specifying method for touch panel of mobile terminal
A touch-panel cellular phone specifies an invalid area not accepting a user's input operation on a touch panel in advance. The cellular phone detects a user's touch area on the touch panel so as to execute a function pre-assigned to the touch area not encompassed by the invalid area. Additionally, it is possible to reduce and display menu icons in the display area precluding the invalid area on the touch panel. Thus, it is possible to prevent an error operation when a user holding a cellular phone inadvertently touches the touch panel.
Mobile service information display method and apparatus, mobile service information server and system, and terminal
Disclosed are a mobile service information display method and apparatus, a mobile service information server and system, and a terminal, which can avoid a waste of resources of the mobile service information system. The method includes: determining mobile service information according to obtained location information of a mobile terminal at a current moment and obtained location information of the mobile terminal within preset duration prior to the current moment; and sending the determined mobile service information to the mobile terminal for display.
Mobile terminal and control method for the mobile terminal
A mobile terminal that may take images and a control method for the mobile terminal are disclosed. The mobile terminal comprises a display module; a camera provided with a plurality of lenses; and a controller configured to receive images through the plurality of lenses and outputting the received images on the display module, wherein the controller generates one moving image data by using an image received from the first lens of the plurality of lenses and an image received from the second lens different from the first lens.
Electronic device housing and manufacturing method thereof by die-casting an aluminum alloy
An electronic device housing (100) comprises outer frame (10) and a die casting inner frame (20). The die casting inner frame is shaped by means of die casting and is jogged in the outer frame. The present invention also comprises a method for manufacturing the electronic device housing.
Methods and systems for boundary placement in a data stream
A method can include detecting a cadence-changing event for a stream of data, the stream of data being provided in chunks having associated chunk boundaries according to an established cadence. An adjusted chunk boundary can be established at a location corresponding to the cadence-changing event to replace a closest scheduled chunk boundary in the stream of data.
Differentiated priority level communication
Provided are methods, apparatuses and systems for providing prioritized data distribution at a customer premise. A network access component may determine a particular hardware identifier associated with data received from a communication entity. The hardware identifier may uniquely identifying a piece of hardware originating data. The network access component may also determine a particular priority level associated with the data based on the particular hardware identifier. The network access component may also prioritize at least a portion of the data on a basis of the particular priority level.
Subscribing to event notifications using object instances
A method of handling event subscriptions and notifications may include receiving a request from a client system to subscribe to an event type, and receiving a template from the client system. The template may define data that should be returned to the client system when an event of the event type occurs. In response to the event of the event type occurring, the method may also include packaging data associated with the event according to the template received from the client system to generate an event notification. The method may further include sending the event notification to the client system.
Method and apparatus for sending delivery notification of network application-related product
A method and apparatus for sending a delivery notification of a network application-related product are provided. The method includes: selecting a delivery executing server in advance from multiple delivery servers of an application; acquiring quality of service information of the delivery executing server of the application; judging, according to a predefined judging rule, whether the quality of service information meets a requirement; and if the requirement is met, retaining the delivery executing server unchanged; otherwise, setting another delivery server of the application as a delivery executing server; and sending a delivery notification to a current delivery executing server of the application upon detecting the delivery notification of the application to be sent.
Personalized notifications are provided to a user. The notifications correspond to events, which can include information items, unaddressed or unnoticed by a user. The unaddressed events may be determined based on sensor data provided by a user device associated with the user including user activity pattern information. Further, an urgency level of the unaddressed event and user availability for responding to the event may be determined. The availably may comprise a model with score(s) corresponding to the user's capability for carrying out tasks associated with addressing the event. Additionally, notification content may be generated based on information about availability and the unaddressed event, and used to provide notification(s). The notification content may include a recommendation to present a notification to the user at a time determined likely to be convenient for the user to be notified of the event or where the user likely has capacity to address the event appropriately.
Systems and methods for web analytics testing and web development
A computer system for analyzing page tags of a website. The system may include a processor in communication with a database; and a storage medium. The storage medium may store instructions that, when executed, configure the processor to: access the website, the website comprising plurality of page tags; generate a collected tag record by aggregating the page tags, the collected tag record comprising collected elements; request, from the database, a benchmark tag record, the benchmark record comprising benchmark elements, the benchmark tag record being based on historic page tags stored in the database; generate a result tag record, the result tag record indicating at least one of matches or mismatches between the benchmark tag record and the collected tag record; and display at least one of the result tag record or an analysis result, the analysis result representing an aggregation of the result.
Apparatus and method for generating dynamic similarity audiences
A first plurality of data points related to visitors to at least one website is received. The data points comprise at least an identification of the visitor and an interaction of the visitor with the website. A target audience comprising at least some of the visitors having a known, desired interaction and a plurality of selection rules defining tolerances for a similarity audience are received. The selection rules include a correlation score and an audience composition index. A similarity audience from a plurality of clusters defined by a number of unique visitors is selected wherein at least some of the unique visitors share at least one interaction in common, and the similarity audience comprises at least one cluster of the plurality of clusters satisfying the plurality of selection rules. Digital content is generated for electronic transmission to a plurality of computing devices associated with members of the similarity audience.
Recommendations based on geolocation
In one embodiment, a method includes accessing geolocation data indicating a current geolocation of a client device of a user; identifying one or more categories of interest to the user based at least in part on social information of the user; identifying one or more objects based at least in part on the current geolocation; and determining one or more recommendations for the user based at least in part on a calculated interest value of each identified object. The calculated interest value is based at least in part on the identified categories of interest to the user. The method also includes providing the recommendations for transmission to the client device. The recommendations include one or more of the identified objects.
Data transfer method and system
A data transfer method is provided for a terminal coupled to a server by one or more networks. The method includes detecting a connection type of a current network between the terminal and the server and performing data transfer between the terminal and the server when it is detected that the connection type of the current network is a wireless fidelity (WiFi) connection. Further, the method includes suspending data transfer between the terminal and the server when it is detected that the connection type of the current network is a non-WiFi connection.
Granular sync/semi-sync architecture
Data consistency and availability can be provided at the granularity of logical storage objects in storage solutions that use storage virtualization in clustered storage environments. To ensure consistency of data across different storage elements, synchronization is performed across the different storage elements. Changes to data are synchronized across storage elements in different clusters by propagating the changes from a primary logical storage object to a secondary logical storage object. To satisfy the strictest RPOs while maintaining performance, change requests are intercepted prior to being sent to a filesystem that hosts the primary logical storage object and propagated to a different managing storage element associated with the secondary logical storage object.
System and method for announcing cryptographic keys on a blockchain
A method and apparatus is presented for announcing the existence of cryptographic key pairs within a distributed ledger system in which no central trusted authority is available, consisting of sending a key announcement message by a network connected device to other network connected devices over a peer-to-peer network for inclusion in the distributed ledger. Once a valid key announcement message for a public key is included in the ledger, any future transactions that reference an address associated with the public key or other messages concerning said public key are accepted by other network connected devices on the peer-to-peer network and are included in the distributed ledger. If transactions or other messages reference an address not associated with an announced public key, they may be rejected by the peer-to-peer network and may not be included in the distributed ledger.
Peer to peer browser content caching
Facilitating browser access to cached content available from a peer to peer network by receiving a request for content from a content server, receiving from the content server content metadata indicating that the requested content is available from at least one alternative user computing device via a peer to peer network, instantiating on the user computing device a browser helper application which facilitates access to the peer to peer network, and receiving from the content server a lookup table comprising a list of alternative user computing devices from which the requested content is available. The lookup table can be parsed to select an alternative user computing device from which the content, or portions thereof, is requested. The received content can the be stored for later use or presented to the user via the browser.
Integration of service scaling and external health checking systems
Systems and methods are described to enable integrating operation of a service record system with operation of a hosting system. The service hosting system can maintain a set of servers to provide a network-accessible service, and the service record system can maintain records identifying the set of servers as endpoints for the service. The service record system can periodically transmit health check data to servers within the set, to verify their health status. When the service record system determines that a server is unhealthy, it can notify the hosting system. If the hosting system removes the server from the pool, it can notify the service record system, so that the service record system can halt further health checking of the server.
Connection publishing in a distributed load balancer
A connection publishing method for a distributed load balancer in which a router receives packets from at least one client and routes packet flows to multiple load balancer (LB) nodes, which in turn distribute the packet flows among multiple server nodes. A load balancer (LB) module on each server node determines and publishes a list of active connections between client(s) and the server (a connection publishing packet) back to the LB nodes. The LB module may randomly select a LB node to receive the packet. Upon receiving the packet, the LB node processes the connection information in the packet, distributing the connection information among appropriate LB nodes. Receiving the connection publishing information from the server nodes refreshes leases for the connections on the LB nodes.
Integrated experience for applications within a mobile application
A system and method that supports an integrated user interface experience with third party hosted applications selected and installed by a user within a user-installed native application of a user communication device.
Cross-platform document presentation
An application executing on a target platform renders one or more widgets of one or more widget types that are specified by a document including, for each respective widget type from the one or more widget types: render, by a first widget renderer for the respective widget type, the one or more widgets of the respective widget type upon determining that the application includes the first widget renderer for the respective widget type, and render, by a second widget renderer for the respective widget type, the one or more widgets of the respective widget type upon determining that the application does not include the first widget renderer for the respective widget type. The second widget renderer may be different from the first widget renderer.
Maintaining control over restricted data during deployment to cloud computing environments
Releases to the production environment of a cloud computing environment are deployed in a manner that maintains control over restricted data and the data plane of the cloud computing environment. A DevOps personnel is tasked with developing the release. However, the DevOps personnel is not authorized to deploy the release to the cloud computing environment because the DevOps personnel does not have access to restricted data in the cloud computing environment or the ability to modify the cloud computing environment to gain access to restricted data. Operating personnel who has access to restricted data and the right to modify the cloud computing environment is notified of the release and given release specifications providing details of the release. If the operator approves the release, the release is transferred to the cloud computing environment. A deployment engine then automatically deploys the release to the production environment of the cloud computing environment.
Game for guessing whether a name is registered or available for registration
A game is provided that may be run on a client device of a customer. The game identifies one or more registered domain names and generates one or more available domain names for use in the game. In preferred embodiments, all of the registered and available domain names are linked in some manner to the customer and/or are in one or more categories selected by the customer. The domain names may be displayed one at a time and in a mixed order to the customer. The customer may guess whether each displayed domain name is registered or available for registration. The customer may be provided the correct answer after each guess and a “Results” page may display the results of all of the customer's guesses. The customer may be given the option at various points in the game to register any of the displayed and guessed upon available domain names. After registering one or more of the available domain names, the customer may be taken back into the game at the same point the customer left the game.
Method, terminal, and system for reproducing content
A method of reproducing content is provided. The method includes, when a sync terminal reproduces content by receiving the content from a source terminal via a certain network, reproducing the content in a mirroring mode during a certain time, buffering image data corresponding to the content to be reproduced after the certain time, during the certain time, and reproducing the content in a streaming mode after the certain time by using the buffered image data.
Systems and methods providing metadata for media streaming
Media devices streaming video from a server may use techniques to maintain presentation of content to one or more users. Described herein are systems and methods for determining which metadata to provide to the media devices for maintaining presentation of the content. The determination of which metadata to provide may be based on various factors such as the capabilities of the media device, the expected quality of service, and the amount of bandwidth between the server and the media device.
Method and apparatus for repeatedly transmitting segment based broadcasting contents
The present invention relates to a method and an apparatus for transmitting broadcasting contents which repeatedly transmits segment based broadcasting contents to easily develop next generation broadcasting service and system so that it looks as if the contents are continuously reproduced even when contents having a limited capacity are repeatedly reproduced and a test environment which is the same as an actual broadcasting environment is provided.
Multiple subscriber videoconferencing system
A system, method, and device for use in videoconferencing. The method typically includes installing a videoconferencing services switch at an access point to an IP network, and registering a plurality of subscribers for videoconferencing services. Each subscriber typically has a plurality of endpoints. The method further includes receiving subscriber-specific settings to be applied to multiple videoconferencing calls from the plurality of endpoints associated with each subscriber. The method further includes storing the subscriber-specific settings at a location accessible to the switch, and configuring the switch to connect calls from the plurality of endpoints at each subscriber based on the corresponding subscriber-specific settings.
Shared multimedia annotations for group-distributed video content
Synchronized multi-media annotations for shared video content is provided. According to embodiments, viewers of video content may be enabled to create multimedia annotations such as simple text comments, short videos, audio snippets, links to websites or other online content, etc., and associate the annotations with certain points or sections in the source video. When a user “shares” these annotations with a community of friends, the friends can then watch the source video and simultaneously view and/or listen to the comments their friend(s) have made. Friends may respond back with their own annotations, and again share those out to the group of friends. Later, users who have previously left comments may be able to go back and see other users' comments/annotations.
Method and device for retaining robust header compression (ROHC) compressor state
A method for retaining a Robust Header Compression (ROHC) state in a User Equipment (UE) during switching from a Voice over Long Term Evolution (VoLTE) call to a video call or vice versa is provided. When the VoLTE call is in progress and if a user switches the VoLTE call to the video call, then the RTP header information is sent to an Application Processor (AP) from a Communication Processor (CP). The ROHC compressor continues the compression of the RTP packets using the existing built context for the video call. Further, when the video call is in progress and if the user switches the video call to the VoLTE call, then the RTP header information is sent to the CP from the AP. The ROHC context is reused by exchanging the RTP header information between the AP and the CP.
Multiple-master DNS system
In some particular embodiments, DNS servers are operated to maintain consistency of DNS records between the multiple master servers in response to certain types of communication situations. Each master DNS server monitors network connectivity by periodically testing or checking network connections of the master server (e.g., to another server). In one such exemplary context and particular embodiment, a first DNS master server operates by maintaining consistency of DNS records with at least one other DNS server. In this manner DNS records are updated using communications over a network and between the servers. Network isolation is detected and, after other related steps, restoration of connections to the at least one second DNS server is detected, and then queued DNS update requests are sent to the second DNS server. This approach is used to establish consistency of the DNS records between the DNS servers.
Virtual private meeting room
A conference session is established. Different unique identifications and persistent dedicated virtual private network conference rooms are assigned to different recipients. A conference session using one of the persistent dedicated virtual private network conference rooms assigned to a recipient is established using a communication device with a processor and memory and in response to an instruction from the recipient assigned the persistent dedicated virtual private network conference room. A network resource is allocated to the conference session established, based on a participant in the conference session logging in to the conference session using one of the unique identifications.
Data sharing method and apparatus, and terminal
The present invention provides a data sharing method and apparatus, and a terminal. The method includes: acquiring shared data, where the shared data is data used to be shared with another person; determining a privacy degree of the shared data; determining a sharing group of the shared data according to the privacy degree, where the sharing group is a group that receives the shared data and includes a terminal allowed to obtain the shared data; and sending the shared data to the sharing group. In this way, in a case in which privacy degrees are different, that is, shared data is different, the shared data is sent to different sharing groups.
Service oriented software-defined security framework
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for service oriented software-defined security framework are disclosed. In one aspect, a system includes a security control device, one or more assets, and a security controller that communicates with the security control device and the one or more assets. The security controller includes a processing engine configured to register the security control device by creating a physical-logical attribute mapping for the security control device, and generating a security service description associated with the security control device. The processing engine is further configured to register the one or more assets by creating a physical-logical attribute mapping for each of the one or more assets, and generating security service requirements for each of the one or more assets. The processing engine is further configured to generate a security service binding based on a request for service.
Dynamically updated computing environments for detecting and capturing unauthorized computer activities
Disclosed is a computerized system for dynamically updating a honeypot computer environment. The system typically includes a processor, a memory, and a honeypot management module stored in the memory. The system for is typically configured for: creating a honeypot environment within a computer network, the honeypot environment comprising a software application, wherein the computer network has one or more other environments, the honeypot environment being isolated from the other environments of the computer network; receiving an update to the software application for implementation in at least one of the other environments of the computer network; and, based on receiving the update to the software application for implementation in at least one of the other environments of the computer network, automatically implementing the update to the software application within the honeypot environment.
Identifying a potential DDOS attack using statistical analysis
Embodiments can identify requests that may be tied to a DDOS attack. For example, the primary identifiers (e.g., a source address) of requests for a network resource (e.g., an entire website or a particular element of the website) can be tracked. In one embodiment, a statistical analysis of how often a particular source address (or other primary identifier) normally makes a request can be used to identify source addresses that make substantially more requests. A normal amount can correspond to an average number of request that a source address makes. According to some embodiments, a system can use statistical analysis methods on various request data in web server logs to identify potential attacks and send data concerned potential attacks to an HBA system for further analysis.
Latency-based policy activation
Techniques for latency-based policy activation are disclosed. In some embodiments, a system for latency-based policy activation includes collecting a plurality of latency measures associated with monitored network communications; correlating the plurality of latency measures associated with the monitored network communications to detect anomalous network activity based on a profile; and performing a mitigation response to the anomalous network activity based on a policy.
Testing security incident response through automated injection of known indicators of compromise
Disclosed are various embodiments for testing the security incident response of an organization through automated injection of a known indicator of compromise. A stream of event data generated by a network monitoring system of an organization is received. The stream of event data is modified to include data embodying a fabricated indicator of compromise. The stream of event data that has been modified is then provided to an intrusion detection system of the organization. Metrics are then generated that assess the response of the organization to the fabricated indicator of compromise.
Automated security enclave generation
Creating security enclaves includes determining one or more parameters of one or more applications and one or more services operating in the network. An optimal number of clusters for grouping the one or more applications and the one or more services is determined based on the one or more parameters. Then, the one or more applications and the one or more services are grouped into the clusters and one or more security enclaves are applied to each of the clusters so as to maximize operational security of the network.
Method for pattern processing
The invention relates to a method for pattern processing on a processor platform, the method comprising: compiling a plurality of patterns into a plurality of data structures using the first processing unit, wherein the compiling is such that at least head data parts of the plurality of data structures fit into local memories of computation units of a second processing unit; and uploading the plurality of data structures into the second processing unit such that at least the head data parts of the plurality of data structures are uploaded into the local memories of the computation units of the second processing unit and remaining data parts of the plurality of data structures not fitting into the local memories are uploaded into a global memory of the second processing unit.
Method, apparatus, and device for detecting e-mail attack
A method, an apparatus, and a device for detecting an E-mail attack. The device receives a data flow; obtains an E-mail traffic parameter of each statistic period within a predetermined number of statistic periods, where within each statistic period, the E-mail traffic parameter of each of the statistic periods is determined according to a protocol type of the received data flow; and determines that an E-mail attack is detected when the E-mail traffic parameter of each statistic period within the predetermined number of statistic periods matches a first threshold. By applying the disclosed embodiments, a detection result of the E-mail attack is more accurate.
Passwordless and decentralized identity verification
Techniques include receiving request for verification of an identity, where the request includes no authentication information associated with the identity; determining, based on a ledger shared by a plurality of decentralized verification services, a credibility score for the identity; where the ledger is developed based on receiving information associated with a plurality of different types of credibility-building actions taken by the identity in an environment; determining whether the credibility score for the identity can be validated by consensus by at least a subset of the plurality of decentralized verification services; and determining whether to verify the identity, where the determination of whether to verify the identity is performed without using authentication information associated with the identity.
System and method of executing operations in a social network application
Embodiments are directed to improving social network applications using the power of the blockchain (or other repository of facts as a service). The embodiments include methods and systems that register users with a social network application coupled to the blockchain, including providing respective user identifiers recorded in the blockchain. The methods and systems, for each user, configure a set of verification parameters enabled to filter the participation of the respective user identifier in operations. The methods and systems initiate, by a querying user, an operation that causes the social network application to: (a) query the blockchain to locate attested-to facts specific to user identifiers of the registered users and (b) filter participation of at least one user identifier in the operation based on the attested-to facts meeting the verification parameters. The methods and systems execute the operation based on the filtering and return results based on the attested-to facts meeting an operation parameter of the executed operation.
Privileged communication indication
Systems and methods, which can provide for an indication of a privileged communication, are provided. A method, according to an embodiment, uses at least one processor of a communication server device. Addressee information of one or more addressee(s) of a communication, sender information of a sender of the communication, or a combination thereof is received. The sender information, the addressee information, or a combination thereof is compared to registered user information maintained in a database. The registered user information corresponds to registered users to or from whom privileged communications may be sent or received. An indication that the communication is privileged is provided when the sender information, the addressee information, or the combination thereof corresponds to respective registered user information maintained in the database.
Utilizing transport layer security (TLS) fingerprints to determine agents and operating systems
A computer system receives, from a first set of computing devices, a first information. The computer system creates a model based on the first information, wherein the model correlates one or more TLS fingerprints to one or more agents. The computer system receives a second information, wherein the second information includes a TLS fingerprint and a declared agent. The computer system determines a predicted agent based on comparing the TLS fingerprint included in the second information to the model. The computer system determines whether the predicted agent matches the declared agent included in the second information.
System and method for secure machine-to-machine communications
Embodiments of the present invention include a method for providing a secure domain name system (DNS) for machine to machine communications. In one embodiment, the method includes storing policy information for machine to machine communications in a global DNS registry database server. The method further includes communicating the policy information for machine to machine communications from the global DNS registry database server to a machine DNS registry server located in an Internet service provider (ISP) network, wherein a control signaling gateway located in the ISP network is configured to utilize the policy information for machine to machine communications to allow only registered controllers associated with a machine to communicate with the machine.
Server based biometric authentication
A server-side biometric authentication system is disclosed that can split data knowledge and processes, so that extensive collusion would be required in order for a fraudster to compromise the system. Biometric data provided by a user during authentication can be matched with a combination of pieces of a biometric template stored across two or more server(s), rather than on a consumer device as is typically done. More specifically, at the time of enrollment, a biometric template can be split into two or more fragments. Each of the fragments can be encrypted and stored on a template storage server. At a later point in time, during authentication, biometric data provided by a user (e.g., from a fingerprint) can be compared against a reconstructed version of the biometric template where each fragment of the template is retrieved from a matcher computer and combined together.
Enhancing authentication and source of proof through a dynamically updatable biometrics database
The present invention provides for biometric authentication of users using current, updatable biometric data/standards. In this regard, the present invention provides for creation of a registry of authentication information that dynamically, over time, receives biometric authentication-related information (e.g., photographs, voice samples, fingerprints, signatures and the like) from diverse devices configured to capture/sense such. The devices may be devices associated with the user, such as mobile communication devices, devices locate in the user's residence or the like, or the devices may be public devices, such as security cameras, point-of-sale devices or the like, which are configured to capture and electronically communicate biometric authentication-related information. In response to invoking a biometric authentication application and receiving a user's biometric credentials/identifier, the registry is accessed so that a comparison may be made between the user's current biometric credentials and the biometric data stored within the registry.
Authenticating system, information processing device, authenticating method and non-transitory computer readable recording medium
An authenticating system comprises an information processing device and an authentication server connected over a network. The information processing device includes: a storage part for storing user registration information with which the identification information of each user and authentication information other than a password are registered; an authentication information acquiring part for acquiring the authentication information based on receiving a user's instruction; an identification information acquiring part for acquiring the identification information corresponding to the authentication information by running a search through the user registration information; an authentication requesting part for generating the authentication request including the identification information and sending the generated authentication request to the authentication server; a receiving part for receiving the result of the authentication from the authentication server; and a controlling part for putting the information processing device into a logged-in state in accordance with the result of the authentication.
Using temporary credentials in guest mode
A method may receive, over a network and at a host's media player that is logged in to a host's media account, a play request from a guest's device. The play request may include a request to play a guest's media item from the guest's media account and may be compliant with a first protocol. In response to receiving the play request, the method may initiate a guest mode on the host's media player, log out the host's media account, and securely store the host's credentials. The method may log in the guest's media account with fewer permissions than the host's permissions. The method may play the guest's media item and establish a connection between the host's media player and the guest's device in accordance with a second protocol. Upon completion of playback, the method may log out the guest's media account and log in the host's media account.
Method and system for creating a virtual SIP user agent by use of a WEBRTC enabled web browser
A method for creating a virtual SIP user agent by use of a webRTC enabled web browser (200) comprises a user logging in to a web application server (400) via a webRTC enabled web browser (200). The web application server (400) uses the logged on user identity to lookup an associated SIP user identity along with a registrar server address and the web application server (400) initiates a SIP registration procedure using its IP address as the registered contact.
Connected authentication device using mobile single sign on credentials
Systems and methods for device-based authentication are disclosed. In some implementations, a device receives a Single Sign On PIN from a backend server. The device transmits, to a token server, the Single Sign On PIN and credentials of a subscriber identity module (SIM) to request a token for accessing a network resource via a computer different from the device. The token is associated with a user account. The device receives the token from the token server. The device stores the token at a local memory of the device.
Dynamic identity switching
Techniques are disclosed for dynamically switching user identity when generating a web service request by receiving, at a client application, an invocation of a web service, the invocation associated with a first authenticated user identity of a first user, identifying a second user identity, verifying that a switch from the first user identity to the second user identity is permitted by switching rules, including the second user identity in a service request when the switch is permitted, and communicating the service request to the web service. The switching rules can include associations between initial user identities and permitted user identities. Verifying that a switch is permitted can include searching the associations for an entry having an initial user identity that matches the first authenticated user identity and a new user identity that matches the second user identity, wherein the switch is permitted when the entry is found.
Electronic discovery insight tool
An electronic discovery insight tool is presented. The tool is implemented in an apparatus comprising one or more processors, one or more memories communicatively coupled to the one or more processors and storing instructions which, when processed by the one or more processors, cause: displaying, on a user display device: an interactive object for selecting one or more data collections, a selectable search object for selecting search functionalities, a selectable report object for selecting report functionalities, and a selectable tag management object for selecting tag management functionalities; receiving, from a user via the interactive object, a selection of a data collection from the one or more data collections; in response to receiving the selection of the data collection: accessing the data collection to make the data collection available a user invoking one or more of: to the search functionalities, the report functionalities, or the tag management functionalities.
Method and system for the supply of data, transactions and electronic voting
A method and system for supply of data, including generating a first digital certificate referred (empowerment certificate) signed with a first signing entity's electronic signature. The empowerment certificate includes attributes of the described entity, information identifying the first signing entity, indication of data relating to the described entity, indication of a source of the data, and identification of a relying entity to which the data can be supplied. The relying entity forwards the empowerment certificate to a source supplying the data indicated in the empowerment certificate. The data may be supplied to the relying entity by a second digital certificate (custom certificate), signed with a second signing entity's electronic signature. Custom certificates may appear in custom certificate revocation lists. A system and method for transfer of ownership of electronic property from a first entity to a second entity, and a method and system for electronic voting are also provided.
Masking and unmasking data over a network
An apparatus with one or more masking rules stored in a memory receives unmasked data associated with a first session identifier via a network and converts the received unmasked data into masked data by applying the one or more masking rules to the unmasked data. The apparatus generates a first mapped identifier associated with the unmasked data and first session identifier. The apparatus also receives, via a network, a second mapped identifier associated with a second session identifier. Upon receiving the second mapped identifier and second session identifier, the apparatus determines whether the second session identifier corresponds to the first session identifier and finds the first mapped identifier corresponding to the received second mapped identifier. The apparatus retrieves and sends the unmasked data associated with the first mapped identifier.
Cryptographic communication device, cryptographic communication method, and non-transitory storage medium storing program
When a device is connected to a home gateway, if a common connection method is selected, a not-high-security connection method is inevitably selected even for a connection of a high-capability device. In a cryptographic communication system according to the present disclosure, it is possible to select a high-security connection method taking into account a processing capability of the device. Furthermore, the connection method is allowed to be updated and thus when the security level of the connection method hitherto selected is imperiled, the connection method may be updated so as to maintain a high security level.
Secure communications with internet-enabled devices
A network device allows inbound connections from external addresses to a computer on a local network while forbidding output connections from the computer to that external address unless preceded by an inbound connection therefrom. In some embodiments, the computer is allowed to accept inbound connections from external addresses but is not permitted to initiate outbound connections to other computers in the local network unless preceded by an inbound connection. In some embodiments, a request from an external address is processed by the network device by transmitting network information for the computer to the external address and temporarily changes network rules to allow connections from the external address. In some embodiments, if the computer attempts a disallowed connection, the connection attempt is routed through a proxy server by providing network data for the proxy server to the computer.
Secure communications with internet-enabled devices
A network device allows inbound connections from external addresses to a computer on a local network while forbidding output connections from the computer to that external address unless preceded by an inbound connection therefrom. In some embodiments, the computer is allowed to accept inbound connections from external addresses but is not permitted to initiate outbound connections to other computers in the local network unless preceded by an inbound connection. In some embodiments, a request from an external address is processed by the network device by transmitting network information for the computer to the external address and temporarily changes network rules to allow connections from the external address. In some embodiments, if the computer attempts a disallowed connection, the connection attempt is routed through a proxy server by providing network data for the proxy server to the computer.
Discovering and selecting candidates for sinkholing of network domains
Techniques for discovering and selecting candidates for sinkholing of network domains are provided. In some embodiments, a process for discovering and selecting candidates for sinkholing of network domains includes collecting passive DNS data from a plurality of security devices to discover candidates for sinkholing of domain names; selecting one or more domain names that are most commonly queried by distinct client devices based on the passive DNS data, wherein each of the one or more domain names is not yet registered; and automatically registering each of the one or more domain names with a domain registry to a sinkholed IP address in order to sinkhole each of the one or more domain names.
Verifying source addresses associated with a terminal
Verifying source addresses associated with a terminal is disclosed, including: receiving a packet from a terminal, wherein the packet comprises a source Internet Protocol (IP) address and a source Media Access Control (MAC) address associated with the terminal; determining whether a matching entry associated with the terminal is found in a local verification table storing valid source IP addresses and valid source MAC addresses; determine that the matching entry associated with the terminal is not found in the local verification table; generating a request based on the source IP address and the source MAC address; transmitting the request to a dynamic host configuration protocol (DHCP) server; and determining whether the source IP address and the source MAC address associated with the terminal are valid based at least in part on a response from the DHCP server.
Determining close contacts using communication data
One embodiment provides a method including: accessing, using a processor, communication data received at an electronic device of a first entity; identifying, using a processor, a communication between the first entity and a second entity; determining, using a processor, a strength of the communication between the first entity and the second entity; determining, using a processor, a directionality of the communication between the first entity and the second entity; and assigning, using a processor, the second entity as a close contact of the first entity based on the strength of the communication and directionality of the communication. Other aspects are described and claimed.
Dynamic re-configuration of a user interface based on transaction information
A device may receive transaction information that identifies a set of third parties. The device may process messages in an electronic messaging account using a set of processing techniques after receiving the transaction information. The device may identify, in the electronic messaging account, a first set of messages associated with the set of third parties. The device may determine a manner in which to configure a user interface of an application associated with a user device to display the first set of messages based on the transaction information. The device may provide a set of instructions to the user device to configure the user interface of the application to display the first set of messages.
System and method for secure and efficient communication within an organization
The present disclosure relates to system(s) and method(s) for enabling secure and efficient communication between user devices within an organization. Cloud-based messaging services are popular, but organizations hesitate to use them due to the risk of private data residing on public cloud servers. Organizations prefer to host the servers within the organization (on-premise). However, this approach is neither efficient nor cost-effective. The disclosure describes a system and method for secure and efficient communication within an organization that uses an on-premise server to tokenize user messages, i.e. replacing user data in messages with token to generate a tokenized message and sending the tokenized message to the cloud server. In response, the cloud server returns a processed tokenized message, which is then de-tokenized by the on-premise server before forwarding the message to the user. The proposed system is both secure and efficient.
Bidirectional group text messaging system and method
A bidirectional group text messaging system is disclosed having a group owner that initiates a group by obtaining a provisioned telephone number, the group owner establishes a list of group members using identifying information for each group member, text messages from any group member are sent to the provisioned telephone number and from that provisioned telephone number sent to each group member, wherein the group members' identifying information is not available to any other group member except the group owner. The group owner may add and delete members at any time. Further, a text message sourced from a group member may be prevented from being sent to the sourcing member. In addition, a billing member can create logic sets to calculate a value prior to the message being transmitted to each group member.
Switch device, control method, and storage medium
A switch device includes a plurality of ports respectively including a queue and transmits a flow including packets; and a processor configured to detect congestion in one of the plurality of ports, based on an amount of packets stored in the queues, receive, from another switch device, congestion information relating to the another switch device, specify a port coupled to a link where the congestion is not occurred, the link being one of a plurality of links coupled to the another switch device, based on the congestion information received from the another switch device, extract a target flow to which no packet stored in a queue of the specified port, from among a plurality of flows scheduled to be transmitted from the port in which the congestion is detected, and transmit a plurality of packets included in the extracted target flow from the specified port to the another switch device.
Flexible Ethernet chip-to-chip inteface systems and methods
A Chip-to-Chip (C2C) interface utilizing Flexible Ethernet (FlexE) includes circuitry configured to provide a packet interface on a single card or over backplane/fabric links between two devices, wherein the circuitry comprises flow control and channelization for the FlexE. Each of the two devices can include any of a Network Processor (NPU), a Fabric Interface Card (FIC), a framer, and a mapper. A rate of the FlexE can be increased to support additional information for the flow control and the channelization.
Context and power control information management for proximity services
Management of context and power control information enables different power control schemes for point-to-point or point-to-multipoint based on proximity services or applications. Context information may be defined as situation data about a service or application that is used to help define a power control scheme to be implemented. Power control information may be defined as control or status data for power control, which can be used for reporting or controlling the transmitting power of a peer in a P2P network. Context and power control information may be managed across multiple layers such as the application layer, service layer, media access control layer, or physical layer. Context and power control information is updated and exchanged between or among peers for context-related power control in proximity services.
Method for coordinating web communications
Method for coordinating web communications, executable at a browser coordination server in communication with a first electronic device and a second electronic device via a network, first electronic device executing a first browser and second electronic device executing a second browser, comprising receiving, from first electronic device, an indication that first browser obtained a first version of a web resource from a web server; receiving, from second electronic device, an indication that second browser obtained a second version of web resource from web server; determining that second version of web resource is an updated version of web resource relative to first version of web resource; and sending, to first electronic device, an indication that first version of web resource is out of date. Also described is a non-transitory computer-readable medium storing program instructions executable by a browser coordination server to carry out the method.
Expansion device for virtual interface and network server system thereof
An expansion device for a virtual interface is provided. The expansion device is disposed on a mainboard of a server and is configured to acquire control of a plurality of physical resources of the server. The expansion device includes a virtual interface demand control module and a resource management module. The resource management module includes a transmission unit and a physical resource protocol unit. The virtual interface demand control module is configured to acquire control of a plurality of client facilities and arrange a demand timing of each of the client facilities to generate a plurality of interface operation signals. The transmission unit is configured to manage datastreams of the interface operation signals transmitted from the mainboard to the physical resources to decrease central processing unit (CPU) usage on the server. The physical resource protocol unit is configured to control the physical resources according to the interface operation signals.
Distribution of synchronization packets over WIFI transport links
This disclosure provides methods and an access point node for ensuring proper and correct packet based synchronization in data communications systems and networks at distribution of synchronization packets from one Access Point over a WIFI transport link to another Access Point. The access point node provides dynamic transmission rate adaption with different coding and modulation schemes. The access point node comprises an identifier unit to identify each received synchronization packet, and further comprises a controller configured to set the transmission rate for said synchronization packet according to a predetermined synchronization packet transmission rule.
Network-based computational accelerator
A data processing device includes a first packet communication interface for communication with at least one host processor via a network interface controller (NIC) and a second packet communication interface for communication with a packet data network. A memory holds a flow state table containing context information with respect to multiple packet flows conveyed between the host processor and the network via the first and second interfaces packet communication interfaces. Acceleration logic, coupled between the first and second packet communication interfaces, performs computational operations on payloads of packets in the multiple packet flows using the context information in the flow state table.
Distributed load balancing systems
Some embodiments provide a novel method for load balancing data messages that are sent by a source compute node (SCN) to one or more different groups of destination compute nodes (DCNs). In some embodiments, the method deploys a load balancer in the source compute node's egress datapath. This load balancer receives each data message sent from the source compute node, and determines whether the data message is addressed to one of the DCN groups for which the load balancer spreads the data traffic to balance the load across (e.g., data traffic directed to) the DCNs in the group. When the received data message is not addressed to one of the load balanced DCN groups, the load balancer forwards the received data message to its addressed destination. On the other hand, when the received data message is addressed to one of load balancer's DCN groups, the load balancer identifies a DCN in the addressed DCN group that should receive the data message, and directs the data message to the identified DCN. To direct the data message to the identified DCN, the load balancer in some embodiments changes the destination address (e.g., the destination IP address, destination port, destination MAC address, etc.) in the data message from the address of the identified DCN group to the address (e.g., the destination IP address) of the identified DCN.
Dynamic trunk distribution on egress
A method, apparatus, and system are directed toward managing network traffic over a plurality of Open Systems Interconnection (OSI) Level 2 switch ports. A network traffic is received over the plurality of OSI Level 2 switch ports. At least a part of the network traffic is categorized into a flow. The categorization may be based on a IP address, an OSI Level 4 port, a protocol type, a Virtual Local Area Network (VLAN) number, or the like, associated with the network traffic. One of the plurality of OSI Level 2 switch ports is selected based on a load-balancing metric. The load-balancing metric may be a priority of the flow, a congestion characteristic, a prediction of a load usage for the flow, a combination thereof, or the like. A frame associated with the flow is sent over the selected one of the plurality of OSI Level 2 switch ports.
Remotely updating routing tables
A network device may receive an instruction to update a data structure implemented by the network device and update the data structure based on receiving the instruction. The data structure may include a routing instruction to direct the network device to provide a data flow to a server device for processing. The network device may receive the data flow destined for a destination device; determine the routing instruction based on at least a portion of an internet protocol (IP) address associated with the data flow and based on the data structure; execute the routing instruction to provide the data flow to the server device and to cause the data flow to be processed by the server device to form a processed data flow; and receive the processed data flow and provide the processed data flow towards the destination device.
Distributed gateway for local subnet
A computer readable medium storing instructions with functionality for: receiving a first request, from a first client device in a particular IP subnet, to identify a MAC address that corresponds to a particular IP address in the particular IP subnet; transmitting a first response to the first client device that identifies a first MAC address, of a first network device in the particular IP subnet, as the MAC address that corresponds to the particular IP address; receiving a second request, from a second client device in the particular IP subnet, to identify the MAC address that corresponds to the particular IP address; transmitting a second response to the second client device that identifies a second MAC address, of a second network device in the particular IP subnet, as the MAC address that corresponds to the particular IP address, the second MAC address being different than the first MAC address.
Partial switching of network traffic
Various embodiments of systems, computer program products, and methods to provide partial network traffic switching are described herein. In an aspect, a request addressed to a computer application is received for routing to a computing environment hosting the application. The computer application is provided simultaneously at a productive computing environment and a backup computing environment. In another aspect, a triggering associated with the application is executed in response to the request to determining whether the request is test request. The request determined as test request is routed for processing by the application provided at the backup computing environment. In yet another aspect, the request is determined as a test request based on a predefined correspondence between the application and a client application sending the request.
Technique for ethernet access to packet-based services
An Ethernet Metropolitan Area Network provides connectivity to one or more customer premises to packet-bases services, such as ATM, Frame Relay, or IP while advantageously providing a mechanism for assuring security and regulation of customer traffic. Upon receipt of each customer-generated information frame, an ingress Multi-Service Platform (MSP) “tags” the frame with a customer descriptor that specifically identifies the recipient customer. In practice, the MSP tags each frame by overwriting the Virtual Local Area Network (VLAN) identifier with the routing descriptor. Using the customer descriptor in each frame, a recipient Provider Edge Router (PER) or ATM switch can map the information as appropriate to direct the information to the specific customer. In addition, the customer descriptor may also include Quality of Service (QoS) allowing the recipient Provider Edge Router (PER) or ATM switch to vary the QoS level accordingly.
Layer-3 performance monitoring sectionalization
A method is disclosed for the collection of performance metrics by establishing service operations administration and maintenance (OAM) sessions between an actuator and a plurality of reflectors in a communication network. Test packets from an actuator simultaneously reach a plurality of reflectors along a test path. Each single test packet results into a plurality of test results, one per reflector, with quasi-synchronous performance metrics to sectionalize a network and more efficiently isolate fault or performance problems without the need for additional test packets to isolate the issue. Another method is disclosed wherein an actuator generates and transmits a plurality of simultaneous test packets, one per NID device, resulting into a plurality of test results, one per reflector, with quasi-synchronous performance metrics to sectionalize a network and more efficiently isolate fault or performance problems without the need for additional test packets to isolate the issue.
Auto-scaling software-defined monitoring platform for software-defined networking service assurance
Concepts and technologies disclosed herein are directed to an auto-scaling software-defined monitoring (“SDM”) platform for software-defined networking (“SDN”) service assurance. According to one aspect of the concepts and technologies disclosed herein, an SDM controller can monitor event data associated with a network event that occurred within a virtualized IP SDN network that is monitored by a virtualized SDM resources platform. The SDM controller can measure, based upon the event data, a quality of service (“QoS”) performance metric associated with the virtualized SDM resource platform. The SDN controller can determine, based upon the QoS performance metric, whether an auto-scaling operation is to be performed. The auto-scaling operation can include reconfiguring the virtualized SDM resources platform by adding virtual machine capacity for supporting event management tasks either by instantiating a new virtual machine or by migrating an existing virtual machine to a new hardware host.
Technologies for sideband performance tracing of network traffic
Technologies for tracing network performance include a network computing device configured to receive a network packet from a source endpoint node, process the received network packet, capture trace data corresponding to the network packet as it is processed by the network computing device, and transmit the received network packet to a target endpoint node. The network computing device is further configured to generate a trace data network packet that includes at least a portion of the captured trace data and transmit the trace data network packet to the destination endpoint node. The destination endpoint node is configured to monitor performance of the network by reconstructing a trace of the network packet based on the trace data of the trace data network packet. Other embodiments are described herein.
Information processing apparatus
An information processing apparatus includes a transmission module to transmit data quantity information and data frame sequences at a first transmission rate and a reception module to receive the information and data frames and to transmit a reception buffer free capacity value. The transmission module includes a unit to set the data quantity information according to the reception buffer free capacity value and a transmission unit to transmit a sequence of data frames after the data quantity information for the sequence has been transmitted. The reception module includes a buffer to store the data frame sequences from the transmission module and a unit to calculate an expected free capacity for the buffer with the transmitted data frames stored therein. The expected free capacity is calculated using the data quantity information and is transmitted as the reception buffer free capacity value at a second transmission rate.
Playout delay adjustment method and electronic apparatus thereof
An electronic apparatus and a playout delay adjustment method thereof are provided. The electronic apparatus includes a target playout delay estimator configured to estimate an initial target playout delay of a current frame by using network status information of a played packet and estimate a final target playout delay of the current frame by updating the estimated initial target playout delay based on real delay information of an unplayed packet, and an adaptation controller configured to determine an adaptation method for adjusting a playout delay of the current frame based on the final target playout delay.
Managing a communications system based on software defined networking (SDN) architecture
Embodiments of the disclosure relate to managing a communications system based on software defined networking (SDN) architecture. An SDN controller is provided in the communications system to manage a wireless distribution system (WDS) and a local area network (LAN) based on SDN architecture. The SDN controller is communicatively coupled to a WDS control system in the WDS and a LAN control system in the LAN via respective SDN control data plane interfaces (CDPIs). The SDN controller analyzes a WDS performance report and a LAN performance report and provides a WDS configuration instruction(s) and/or a LAN configuration instruction(s) to the WDS control system and/or the LAN control system to reconfigure a WDS element(s) and/or a LAN element(s) to improve quality-of-experiences (QoEs) of the communications system. Monitoring and optimizing the WDS and the LAN based on a unified software-based network management platform can improve performance at reduced operational costs and complexity.
Resource budget determination for communications network
Resources (10, 20, 30) of a communications network (40), are used to provide services, some are superordinate services (A, B) which depend on contributory services (C, D, E, F). Key performance indicators R-KPI are received based on measurements from the resources, of contributory services contributing to a corresponding key performance indicator KPI of the corresponding superordinate service. A selection (120) is made of the received R-KPIs which correspond to the normal operation of the superordinate service and a characteristic division is generated (130) of relative contributions of the R-KPIs to the KPI of the corresponding superordinate service for the times that the service was operating normally. This can be used as a basis for identifying differences with other R-KPIs to determine anomalies in behavior of contributory services for root cause analysis or in managing the network. Convergence evaluation and validation can be used to improve accuracy of the characteristic division.
Active panel demarcation
In general, this disclosure describes a configurable cable patch panel, or “active panel,” that serves as a demarcation point between a customer area of a communication facility and a provider area of the communication facility. As described herein, the active panel may be dynamically configured to interconnect existing customer-side and provider-side connections to active panel ports in order to facilitate on-demand virtual connections within the communication facility between facility customers and/or between a facility customer and communication facility services. In some examples, a programmable network platform for the communication facility exposes a collection of interfaces by which customers may request virtual connections, which the programmable network platform provisions, in part, by configuring the active panel to interconnect select customer-side ports of the active panel with select provider-side ports of the active panel.
Differential staging of devices in bulk enrollment
Disclosed are various examples for differential staging of devices in bulk enrollment. In one example, a computing environment can detect a network connection event where a client device establishes a connection with a network device that is communicatively coupled to the computing environment. A configuration file can be copied from a data store of the at least one computing device to local memory of the client device. The configuration file can comprise one or more predefined configuration settings. A configuration of the at least one client device can be caused using the configuration file. The configuration can include automating user interface events on the client device to cause a setting of the client device to conform to the predefined configuration settings.
Network offering in cloud computing environment
A cloud system may create and support multiple network offerings for virtual machines in a cloud zone. Physical networks comprising sets of network elements, such as routers, gateways, firewalls, load balancers, and other network hardware, may be created and updated within a zone. Network offerings may be defined and associated, using tags or other techniques, with virtual machine networks, physical networks and/or network elements. Cloud end users may request specific network offerings when creating virtual machines, or may request to move existing virtual machines from one network offering to another. The cloud system may use the requested network offering to identify the virtual machine network, physical network, and/or network elements corresponding to the requested network offering. The cloud system may allocate a new virtual machine network and configure the network elements within the associated physical network to provide network services to the virtual machine.
Mobile network IOT convergence
A method in a network device coupled with a packet data network (PDN) gateway of a mobile operator is described. The method includes transmitting configuration information to a low powered device gateway coupled with a plurality of low powered devices based on a received configuration request, wherein the low powered device gateway does not include a Subscriber Identity Module (SIM). The method further includes communicating with an AAA server to authenticate a selection of the plurality of low powered devices and establishing a GPRS Tunnel Protocol (GTP) tunnel with the PDN gateway. The method further includes receiving from the low powered device gateway collected data from the selection of the plurality of low powered devices and sending to the PDN gateway the collected data.
Wireless communication system with single-subband user equipment
A radio network node is configured to operate within a system bandwidth comprising multiple subbands and to serve a user equipment limited to operating within only one subband during any given subframe. The radio network node is configured to generate configuration information and to send that configuration information to the user equipment. In some embodiments, the configuration information indicates a location within the system bandwidth of a single subband within which the user equipment is to be operated during a subframe. Alternatively or additionally, the configuration information indicates a mode according to which the user equipment is to feedback channel state information to the radio network node. According to the indicated mode, in a subframe where CQI is reported, the user equipment shall report one wideband CQI value which is calculated assuming transmission on the subband within which the user equipment is configured to operate in that subframe.
Log data collection system, terminal device, and log data collection method
A log data collection system includes a terminal device accumulating log data; and a collection device collecting the log data from the terminal device through a network, wherein the terminal device includes transmission determination unit which determines a timing of transmitting the log data to the collection device, within a permissible transmission period, being a time span in which transmission of the log data is permitted, based on a state of the terminal device, a state of the network, and a remaining time of the permissible transmission period.
Response to an inoperative network device managed by a controller
In an example, a computer-readable medium may store executable instructions. The executable instructions may be to detect an inoperative network device in a communication network managed by a controller, determine a network switching function assigned to the inoperative network device, and provide the network switching function through the controller itself instead of the inoperative network device.
Method, device, system and network architecture for handling a service request
The present invention relates to a method for handling a service request within a local area network. First a service request is received from a user device. The service request comprising information regarding one or more requirements needed to perform the service. Then a download location is localized by means of a localization service within a public network to obtain computer executable information on the basis of the information in the service request. The computer executable information is then retrieved for performing the service from the download location and installed on a networked device within the local area network. Finally, a message is sent to the user device regarding the availability of the service within the local area network.
System and method for increased indoor position tracking accuracy
A method and system for increased position tracking resolution in a localized environment for use in GPS-denied areas such as within buildings or enclosed structures, comprising: multiple reference nodes each transmitting a synchronization pulse to a multitude of body-worn or device-mounted receiving units; a high speed clock circuit in each receiver capable of measuring the Time Difference of Arrival of said sync pulses to the resolution needed for precise positioning; a central processing computer used to calculate actual position of the receiving units relative to some fixed reference point; and a display system to monitor the position of the receiving units in real time as they move around within the target area overlaid onto available GIS data or building CAD drawings.
Transceiving method and apparatus for modulation signal transmission in filter bank multi-carrier communication system
The present invention relates to a transceiving method and apparatus that enable QAM signal transmission in a filter bank multi-carrier (FBMC) communication system and provides, in particular, a transceiving method and apparatus that enable quadrature amplitude modulation (QAM) signal transmission without intrinsic interference by separating filtering between a sub-carrier having an even index and a sub-carrier having an odd index, and superimposing and transmitting sub-carriers filtered by means of separation. The thus-rendered present invention is a transmission method in the FBMC communication system, the method comprising the steps of: dividing at least two QAM signals into a plurality of groups; performing filtering on each of the plurality of groups; and superimposing and transmitting the QAM signal in the plurality of groups filtered on a time axis. The present invention relates to a transmission method and apparatus, and a corresponding reception method and apparatus.
Transmitting apparatus and mapping method thereof
A transmitting apparatus is disclosed. The transmitting apparatus includes an encoder to perform channel encoding with respect to bits and generate a codeword, an interleaver to interleave the codeword, and a modulator to map the interleaved codeword onto a non-uniform constellation according to a modulation scheme, and the constellation may include constellation points defined based on various tables according to the modulation scheme.
Method for generating preamble sequence in wireless LAN system
Disclosed is a sequence generation method comprising: generating a basic sequence structure including C48 having 48 tones, X6 having six tones, and X5 having five tones; selecting any one of a plurality of phase rotation factors predetermined for a bandwidth; and generating a sequence to be inputted into a preamble to be transmitted to a terminal, by using the phase rotation factor, applied in basic sequence structural units, and the basic sequence structure.
Method and apparatus for generating code sequence in a communication system
A method for transmitting a synchronization signal by a transmitting side device to a receiving side device in a wireless access system. The method includes generating a concatenated code sequence in a frequency domain by concatenating a first code sequence having a first index (M1) and a second code sequence having a second index (M2). Each of the first code sequence and the second code sequence is obtained by cyclic shifting a code sequence. The concatenated code sequence is mapped to subcarriers for transmitting the synchronization signal via a secondary synchronization channel (S-SCH). The method further includes transforming the concatenated code sequence into a time domain signal; and transmitting the time domain signal to the receiving side device as the synchronization signal. The concatenated code sequence indicates a cell group identity (ID).
Enhanced clear channel assessment
In an example of multi-user wireless communications, an access point may send a downlink frame to a first station. The first station may generate and transmit an uplink frame. A second station in a same or different basic service set coverage area as that of the access point performs a clear channel assessment of a medium associated with the station for transmitting a frame without interrupting a frame exchange between the access point and the first station. The second station receives the downlink frame and the uplink frame of the frame exchange. The second station determines a signal measurement of the uplink frame, and determines a status of the medium based on the signal measurement and the downlink frame. The first station may update or ignore a network allocation vector timer based on the status of the medium. Other methods, apparatus, and computer-readable media are also disclosed.
Time variant antenna for transmitting wideband signals
A circuit for tuning a resonance frequency of an electrically small antenna. The circuit includes a first source configured for providing a modulation signal, a second source configured for providing a periodic electrical signal, an antenna, and a tuning circuit configured for modulating a resonance frequency of the antenna in response to the modulation signal. The tuning circuit includes first and second capacitors that are alternately coupled to the antenna to change the resonance frequency of the antenna. The capacitor currently coupled to the antenna is decoupled from the antenna and the other capacitor is coupled to the antenna when the voltage across the capacitor currently coupled to the antenna is momentarily zero. In an exemplary embodiment, the tuning circuit comprises first and second inductors rather than capacitors. The inductors are switched into and out of the circuit when the current through the currently coupled inductor is momentarily zero.
Systems and methods for performing multi-level coding in a discrete multitone modulation communication system
Embodiments described herein provide a method for performing multi-level coding in a discrete multitone modulation (DMT) communication system. A plurality of data bits are divided into a first number of un-encoded bits and a set of bits to be encoded. The set of bits to be encoded are encoded into a second number of encoded bits. The first number is different from the second number, and the first number is an even number or an odd number. The first number of un-encoded bits and the second number of encoded bits are mapped into a plurality of constellation points. The plurality of constellation points are transmitted as orthogonal frequency-division multiplexing (OFDM) symbols.
High-speed signaling systems and methods with adaptable, continuous-time equalization
A receiver includes a continuous-time equalizer, a decision-feedback equalizer (DFE), data and error sampling logic, and an adaptation engine. The receiver corrects for inter-symbol interference (ISI) associated with the most recent data symbol (first post cursor ISI) by establishing appropriate equalization settings for the continuous-time equalizer based upon a measure of the first-post-cursor ISI.
Far end crosstalk cancellation for serdes links
A serializer-deserializer (SerDes) integrated circuit (IC) chip includes a first SerDes receiver circuit having a first input for coupling to a first SerDes link, and a first output. A second SerDes receiver circuit has a second input for coupling to a second SerDes link. The second SerDes receiver circuit includes a second output. Crosstalk filter circuitry is disposed between the first SerDes receiver circuit and the second SerDes receiver circuit.
Multicarrier communication system and channel estimation method thereof
This invention discloses a multicarrier communication system that includes a transmitter equipment and a receiver equipment. According to a timing scheme, the transmitter equipment processes multiple original symbols for transmission on multiple subcarrier channels, and the receiver equipment processes and detects multiple received symbols from the multiple subcarrier channels. During a time frame of data transmission, the initial three of the original symbols for each of the subcarrier channels are three pilot symbols, forming a preamble. The three preambles of every consecutive three of the subcarrier channels form a preamble unit. All the pilot symbols of the preamble unit are expressed as a 3×3 matrix. When the center pilot symbol of the preamble unit is normalized to 1 or j (i.e., the imaginary unit), the matrix is [ - j - j - j j 1 - j - j j - j ] or [ 1 1 1 - 1 j 1 1 - 1 1 ] . A channel estimation method for the multicarrier communication system is also disclosed.
Method and apparatus for transmitting signal in communication system
A method for transmitting a signal in a communication system includes transmitting a signal using pre-generated matrix, wherein the pre-generated matrix is generated by repeating one matrix including zero elements by a predetermined number of times and a particular sequence is allocated to non-zero elements included in the pre-generated matrix. An apparatus for receiving a signal in a communication system includes at least one processor configured to make a control to receive a transmitted signal based on a pre-generated matrix and to receive the signal, wherein the pre-generated matrix is generated by repeating one matrix including zero elements by a predetermined number of times and a particular sequence is allocated to non-zero elements included in the pre-generated matrix.
Systems and methods for determining whether a user is authorized to perform an action in response to a detected sound
Systems and methods are described for determining whether a user is authorized to perform an action that meets a goal of a sound. A media guidance application may detect a sound generated by a first device external to a media equipment device. The media guidance application may retrieve, from a lookup table, a known goal that is associated with the sound. The media guidance application may detect a user in a viewing environment. The media guidance application may determine an identity of the user, and may modify playback to encourage or discourage the user from achieving the known goal based on the identity of the user.
System and method for coupling a wireless device to social networking services and a mobile communication device
A system enables digital appliances to couple to third party application services directly. The system includes a device regulation/support site configured to generate a script program and a data template, and a digital appliance that selectively couples to the device regulation/support site and receives the script program and data template from the device regulation/support site, the digital appliance executes the script program with reference to the data template to couple directly to a third party application service and query the third party application service for data.
Load control device user interface and database management using near field communication (NFC)
An energy control network may include a number of load control devices, such as dimmer switches, multi-button selector switch, occupancy sensors, and remote controllers, among others. These load control devices may be configured for wireless communication. Other wireless devices, such as laptops, tablets, and “smart” cellular phones may be configured to communicate with the load control devices of the energy control network. The load control devices and the other wireless communication devices may also be configured for Near Field Communication (NFC). NFC may be used to provide a load control device with its initial default configuration and/or an application specific configuration. Also, NFC may be used to transfer a configuration from one load control device that may have become faulty, to a replacement load control device. And NFC may be used to provide and trigger commands that may cause a load control load device to operate in a predetermined manner.
Power coupling circuits for single-pair ethernet with automotive applications
A circuit for power on data line (PoDL) injection includes a power source, a first and a second coupling component, and an interface. The power source provides one or more DC voltage levels. The first coupling component couples the power source to an interface for coupling to a transmission medium. An Ethernet device is coupled through the second coupling component to the interface. The first coupling component is a balanced component, and the Ethernet device is isolated from the power source via a pair of DC blocking capacitors connected between the first coupling component and the second coupling component.
Wireless sensor architecture
A Wireless Access Point (WAP) for enabling remote access to data generated by systems of an aircraft including a wireless interface having a transmitter and a receiver; and a processor. The WAP is configured to: wirelessly receive sensor data generated by a plurality of sensors on an aircraft; receive aircraft data from an avionics system of the aircraft; wirelessly receive a data request signal from a remote computing device; and, responsive to the data request signal, wirelessly transmit to the remote computing device data based on received sensor data and/or received aircraft data.
Method and system for checking revocation status of digital certificates in a virtualization environment
The present invention discloses a method and a system for checking revocation status of digital certificates in a virtualization environment. The method includes: 1) Setting up multiple virtual machines in a host computer; setting up a certificate revocation list manager within the virtual machine monitor of the host computer; 2) The certificates relying party in the virtual machines sends a service request for checking certificate revocation status to the certificate revocation list manager; 3) The certificate revocation list manager searches locally for the CRL file corresponding to the service request for checking certificate revocation status: a) If such a corresponding CRL file exists, the CRL file is returned to the certificate relying party in the virtual machines; or, the certificate revocation list manager checks whether the corresponding certificate serial number exists in the CRL file, then returns the result; b) if the corresponding CRL file does not exist, the corresponding CRL file is downloaded and verified according to the configuration file; then the CRL file is returned to the certificate relying party in the virtual machines; or, the certificate revocation list manager checks whether the corresponding certificate serial number exists in the CRL file, then returns the result. The present invention greatly improves the efficiency of checking revocation status of certificates.
Flexible provisioning of attestation keys in secure enclaves
A computing platform implements one or more secure enclaves including a first provisioning enclave to interface with a first provisioning service to obtain a first attestation key from the first provisioning service, a second provisioning enclave to interface with a different, second provisioning service to obtain a second attestation key from the second provisioning service, and a provisioning certification enclave to sign first data from the first provisioning enclave and second data from the second provisioning enclave using a hardware-based provisioning attestation key. The signed first data is used by the first provisioning enclave to authenticate to the first provisioning service to obtain the first attestation key and the signed second data is used by the second provisioning enclave to authenticate to the second provisioning service to obtain the second attestation key.
Methods, apparatus, and systems for secure demand paging and other paging operations for processor devices
A secure demand paging system (1020) includes a processor (1030) operable for executing instructions, an internal memory (1034) for a first page in a first virtual machine context, an external memory (1024) for a second page in a second virtual machine context, and a security circuit (1038) coupled to the processor (1030) and to the internal memory (1034) for maintaining the first page secure in the internal memory (1034). The processor (1030) is operable to execute sets of instructions representing: a central controller (4210), an abort handler (4260) coupled to supply to the central controller (4210) at least one signal representing a page fault by an instruction in the processor (1030), a scavenger (4220) responsive to the central controller (4210) and operable to identify the first page as a page to free, a virtual machine context switcher (4230) responsive to the central controller (4210) to change from the first virtual machine context to the second virtual machine context; and a swapper manager (4240) operable to swap in the second page from the external memory (1024) with decryption and integrity check, to the internal memory (1034) in place of the first page.
Integrated contactless MPOS implementation
Disclosed herein is a method for performing an integrated contactless point-of-sale transaction. More particularly, there is disclose a method comprising: receiving, by a mobile device 1, a seed number from a communications network; generating, by the mobile device 1, one or more session keys, in dependence on the received seed number, for use in encrypted communication with the mobile device 1; and/or generating, by the mobile device 1, a pre-image, in dependence on the received seed number, for use in generating an unpredictable number for use in secure communication with the mobile device. Advantageously, the generation of session keys and/or a pre-image in dependence on a seed number provided to the mobile device improves the security of the system since the source of the seed number can detect incorrect session keys and/or unpredictable number derived from an incorrect pre-image.
Distributed ledger interaction systems and methods
Distributed public ledger interaction methods and systems are presented by which one or more elements of a first smart contract are privately recorded on a secure ledger node. In some variants the first smart contract is executed so as to retrieve public ledger node data from a first public ledger node so as to configure at least one transaction that is thereafter executed at least to the first public ledger node or to a second public ledger node (or both).
Providing common point of control and configuration in IP-based timing systems
Embodiments herein describe a common point of control of local clocks in endpoint devices in a media production studio that are synchronized using an IP-based synchronization protocol. In one embodiment, a master clock generator outputs a master clock signal which is distributed to the endpoint devices in the media production studio. The endpoint devices include local clock generators that convert the master clock into an adjusted clock. A clock manager provides a common point of control for the local clock generators in the endpoints. The clock manager includes an input/output (I/O) interface which enables an engineer to adjust the jam time of the local clock generators as well as adjust a delay used when outputting media content to another endpoint device.
Frequency domain compression for fronthaul interface
Frequency domain compression of fronthaul interface for transporting frequency domain data over Ethernet includes applying Inverse Discrete Fourier Transform to frequency domain data contained in a frequency bandwidth to generate a time domain output signal in a time domain. The time domain output signal is compressed to generate a compressed time domain output signal. The compressed time domain output signal is transmitted over a fronthaul interface to a remote unit. The compressed time domain output signal is decompressable at the remote unit to generate a decompressed time domain output signal. Discreet Fourier Transform is applied to the decompressed time domain output signal at the remote unit to recover the frequency domain data.
Allocation signaling for wireless communication networks
Methods and apparatuses for communicating over a wireless communication network are disclosed herein. One method includes selecting one of a plurality of allocation schemas for allocation of wireless resources to wireless communication devices. The method further includes generating an allocation message comprising an identifier of the selected allocation schema and one or more allocations of wireless resources according to selected allocation schema. The method further includes transmitting the allocation message to one or more wireless communication devices.
Techniques for improving URLLC communications in new radio
Various aspects described herein relate to techniques for improving ultra-reliable low-latency communications (URLLC) used in wireless communication systems (e.g., 5G New Radio). In an aspect, a method of wireless communications includes identifying at least a first hybrid automatic repeat request (HARQ) transmission and a second HARQ transmission, wherein at least one of the identified HARQ transmissions is for URLLC, receiving an indication including information of reference signal handling for the identified HARQ transmissions, and performing the reference signal handling based on the information.
Inserting and extracting pilot sequences
Embodiments of the present disclosure provide methods and devices for inserting and extracting a pilot sequence according to a pilot mapping indicating a location for inserting the pilot sequence in a plurality of time-frequency resources. One example method includes inserting, by a transmitter according to pilot mappings corresponding to Nt transmit antenna ports by using Nt orthogonal pilot sequences that are different from each other, a pilot sequence corresponding to each of the transmit antenna ports into OFDM symbols that are included in the pilot mapping corresponding to the transmit antenna port. There is a one-to-one correspondence between the Nt pilot sequences and the Nt transmit antenna ports of the transmitter, where Nt is a positive integer greater than or equal to 2. The pilot mappings corresponding to the transmit antenna ports are the same among the Nt transmit antenna ports.
Mobile communication devices and methods for controlling wireless transmission and reception
A mobile communication device having a reception circuit, a transmission circuit, and a processing unit is provided. The reception circuit and the transmission circuit are configured to receive and transmit wireless signals, respectively. The processing unit activates the reception circuit for a portion of a downlink time interval for receiving Control Channel (CCH) data and one or more Reference Signal (RS) symbols or traffic data symbols beyond the CCH data, and deactivates the reception circuit for the remaining portion of the downlink time interval. Also, the processing unit activates the transmission circuit for a portion of an uplink time interval for transmitting traffic data, determines a radio signal quality with regard to the transmission of the traffic data, and deactivates the transmission circuit for the remaining portion of the uplink time interval when the radio signal quality exceeds a predetermined threshold.
Adaptive trellis coding enabling and disabling in discrete multitone data communications
In a transmitter, first and second sets of discrete multitone (DMT) sub-carrier signals or tones are identified. First and second bit groups of a payload data frame corresponding to the first and second sets of tones are selected. The first bit group is then trellis encoded. The second bit group is not trellis encoded. The first trellis coded tone group and the second bit group are then constellation mapped to produce a DMT symbol for transmission. A receiver may use an estimate of signal-to-noise ratio (SNR) of each tone to determine whether to select the tone for inclusion in the first or second set of tones. The receiver may provide the transmitter with information indicating whether a tone is included the first or second set of tones.
Priority based scheduling for LTE uplink transmissions
Systems and methods presented herein provide for an eNodeB operating in an RF band comprising a conflicting wireless technology. One exemplary eNodeB assigns an ID to a UE, processes a scheduling request for UL data from the UE, processes another scheduling request for second UL data from the UE, determines priorities of the first and second UL data based on priority indicators in the scheduling requests, and grants time and frequency for the UE to transmit the first and second UL data. The eNodeB also waits until the UE performs an LBT operation. The LBT determines whether the granted time and frequency are occupied by another wireless system comprising a different wireless technology. The eNodeB also determines that the first UL data is stale, and transmits the ID to the UE to reserve the granted time and frequency for the second UL data when unoccupied by the other wireless system.
Scalable service in a wireless communication system
A method for providing scalable service in a wireless communication system is disclosed. In this method, the transmitting side device transmits base layer signals and enhancement layer signals for one scalable service to a user equipment (UE) based on a HARQ (Hybrid Automatic Repeat Request) scheme. The base layer signals can be independently used at the UE without the enhancement layer signals. On the other hand, the enhancement layer signals cannot be used at the UE without the base layer signals. The transmitting side device also retransmits the base layer signals before a retransmission of the enhancement layer signals when there are both of the base layer signals and the enhancement layer signals to be retransmitted based on the HARQ scheme.
A receiver node is operable to receive rateless encoded data packets from a transmitter node. The receiver node includes estimation logic operable to estimate a transiting number of rateless encoded data packets transiting between the receiver node and the transmitter node; determining logic operable to determine an acknowledgement number of received rateless encoded data packets, the acknowledgement number of received rateless encoded data packets including a difference between a decoding number of rateless encoded data packets estimated to be required from a batch of rateless encoded data packets to decode the rateless encoded data packets from the batch and the transiting number of rateless encoded data packets; and acknowledgement logic operable to transmit an acknowledgement to the transmitter node to cause the transmitter node to cease transmission of rateless encoded data packets from the batch of rateless encoded data packets when a received number of received rateless encoded data packets from the batch of rateless encoded data packets achieves the acknowledgement number of received rateless encoded data packets.
Method and system for improved cross polarization rejection and tolerating coupling between satellite signals
Methods and systems for improved cross polarization rejection and tolerating of coupling between satellite signals may comprise receiving radio frequency (RF) signals on a chip, where the RF signals comprising a desired signal and at least one crosstalk signal. The received RF signals may be down-converted to baseband frequencies, and the down-converted signals are converted to digital signals. Crosstalk may be determined by estimating complex coupling coefficients between the received RF signals utilizing a de-correlation algorithm across a frequency bandwidth comprising the desired and crosstalk signals. The down-converted signals may be low-pass filtered and summed with an output signal from a cancellation filter. The complex coupling coefficients may be determined utilizing the de-correlation algorithm on the summed signals, and may be used to configure the cancellation filter. Crosstalk may be canceled in a receiver path from a cancellation filter receiving low-pass filtered down-converted signals from another path.
Reception failure feedback scheme in wireless local area networks
A novel feedback schemes are introduced to assistant link adaptation for re-transmissions and to improve the network throughput and efficiency. When reception failure is a type B failure, then a failure report (FR) frame is feedback from the destination STA to the source STA. In the failure report frame, link adaptation information and information on failure causes are included.
Multiplexing two separate optical links with the same wavelength using asymmetric combining and splitting
An optical communications system includes an optical transmitter and an optical receiver optically coupled to an optical combiner/splitter, the combiner/splitter coupled to optical media; and, another optical transmitter and another optical receiver optically coupled to another optical combiner/splitter, the another combiner/splitter remotely coupled to the optical media; wherein the optical transmitter and the another optical transmitter are configured to transmit optical signals at substantially the same wavelength.
Optical devices for the construction of compact optical nodes
Example embodiments of the present invention relate to optical wavelength directing devices used to construct compact optical nodes.
Wavelength-tunable pluggable optical module, optical communication system and wavelength change method of wavelength-tunable pluggable optical module
A pluggable electric connector can communicate a communication data signal and a control signal with an optical communication device. An optical signal output unit is configured to be capable of selectively output a wavelength of an optical signal. An optical power adjustment unit can adjust optical power of the optical signal. A pluggable optical receptor can output the optical signal to an optical fiber. A control unit controls a wavelength change operation according to the control signal. The control unit, according to a wavelength change command, commands the optical power adjustment unit to block output of the optical signal, commands the light signal output unit to change the wavelength of the optical signal after the optical signal is blocked, and commands the light signal output unit and the optical power adjustment unit to output the optical signal after the wavelength change operation.
System and method for Faster-than-Nyquist (FTN) transmission
Systems and methods are disclosed that attempt to increase spectral efficiency by using Faster-than-Nyquist (FTN) transmission. In one embodiment, a method at a transmitter includes partitioning bits into K bit streams, obtaining K power scaled symbol streams, combining the K power scaled symbol streams to obtain a stream of transmission symbols, and transmitting the stream of transmission symbols using FTN signaling. At the receiver, the received symbols are partitioned into K symbol streams, and demodulation and decoding is performed by: (i) demodulating and decoding the Kth symbol stream of the K symbol streams to obtain a Kth set of bits; (ii) mapping the Kth set of bits to a Kth set of symbols; and (iii) for each one of k=K−1, . . . , 1: demodulating and decoding a kth symbol stream of the K symbol streams to obtain a kth set of bits. The demodulating and decoding includes performing interference cancellation.
Signaling on a high-speed data connector
An apparatus and method for signaling and transmitting data through an optical link is described. The apparatus may include a connector including a first plurality of contacts compatible with an enhanced SFP (SFP+) connector. The connector further includes an additional contact formed at a space adjacent to the first plurality of contacts. A tone generator couples to the additional contact to receive a first signal and to generate a first distinct tone indicative of the first signal for transmission via the additional contact. The method may include generating a first distinct tone indicative of a first signal providing control or status of an apparatus and transmitting or receiving a differential data signal over a portion of a first plurality of contacts compatible with an enhanced SFP (SFP+) connector. The first distinct tone is transmitted over the additional contact formed in a space adjacent to the first plurality of contacts.
Analog distributed antenna systems (DASS) supporting distribution of digital communications signals interfaced from a digital signal source and analog radio frequency (RF) communications signals
Embodiments disclosed in the detailed description include analog distributed antenna system (DAS) supporting distribution of digital communications signals interfaced from a digital signal source and analog radio frequency (RF) communications signals. Analog RF communications signals received from analog RF signal sources are distributed in the analog DAS without being digitized. The analog DAS is also configured to interface with digital signal sources and compatibly distribute digital communications signals. Hence, a digital signal interface in head-end equipment (HEE) is configured to convert downlink digital communications signals to downlink analog RF communications signals for distribution to a plurality of remote units. The digital signal interface is also configured to convert uplink analog RF communications signals to uplink digital communications signals for distribution to the digital signal source(s). By providing the digital signal interface in the HEE, the analog DAS can be configured to distribute digital communications signals to analog DAS components.
Optical receiver and method of receiving an optical communications signal
An optical receiver (10) comprising: an input (12) arranged to receive a subcarrier multiplexing, SCM, optical signal (14) comprising an optical carrier and an optical subcarrier, each having a respective optical power; a carrier suppression element, CSE, (16) arranged to receive the SCM optical signal and having a rejection band that is tunable in frequency to partially suppress the optical carrier by a variable amount; an optical amplifier (18) having a variable gain and arranged to receive the SCM optical signal from the CSE and amplify the optical carrier and the optical subcarrier; a photoreceiver (20) arranged to receive the SCM optical signal from the amplifier; and a controller (24) arranged to cause frequency tuning of the rejection band and variation of the gain of the optical amplifier to adjust a ratio of the optical power of the optical carrier at the photoreceiver to the optical power of the optical subcarrier at the photoreceiver based on an indication of performance of the SCM optical signal.
Techniques for optical wireless communication
Optical wireless communication techniques are described and claimed. In one embodiment, the disclosure relates to method and apparatus to provide optical signaling with visible light having variable pulse position modulation (VPPM). The optical signal includes a Start Frame Delimiter (SFD) which indicates beginning of an asynchronous optical signaling. The VPPM signaling includes a lower frequency time varying amplitude component that when subsampled by a low frame rate camera results in alias induced flicker or blinking. Such signals are quickly recognizable as signals with modulated data. In another embodiment, the disclosure provides a system, device and method for decoding a Start Frame Delimiter (SFD) to indicate arrival of incoming VPPM optical data.
Receiver for communications systems
A receiver system (100) having at least one receiver (101) for receiving optical communications signals (103b) that encode or transmit information; wherein the receiver system (100) is adapted to produce one or more electrical signals (104) from the received optical signal (103b) and/or from ambient light (103a) such that the receiver system (100) is usable as a source of electrical power and the encoded or transmitted information from the received optical communication signal (103b) is recovered or recoverable from the electrical signal(s) (104). Embodiments of the invention also relate to a communications system (400) that further comprises one or more transmitters (406) and a device having the receiver systems (401), along with associated methods of using and producing. Particular embodiments relate to identification tags (1000) and user devices (300) having a display (301) that at least partially overlaps the receiver(s) (302).
Method of communication link acquisition using search pattern
Aspects of the disclosure provide for a method of forming a communication link between two communication devices using a primary search pattern and a secondary search pattern. A misalignment between a first optical system of a first communication device and a second optical system of a second communication device is detected. The first optical system is rotated according to the primary search pattern, and the second optical system according to the secondary search pattern. At the second communication device, a set of frames is captured. Then, it is determined whether a beacon beam transmitted from the first communication device is detected in the one or more of the captured frames. When it is determined that the beacon beam is detected, the communication link is formed between the first communication device and the second communication device.
A bandwidth throttling method is provided. The method includes receiving by a receiver from a QD Vcel cannon, a plurality of multi-frequency light pulses via a plurality of channels. The receiver determines that the plurality of multi-frequency light pulses comprises an out of band (OOB) signal transmitted over a first channel of the plurality of channels. The receiver receives from a first laser device of the QD Vcel cannon, a first light pulse of the plurality of multi-frequency light pulses. The first light pulse includes a first frequency for testing a visibility of the first light pulse at the receiver. The receiver determines if the first light pulse is visible at the receiver.
Transceiver array with adjustment of local oscillator signals based on phase difference
Aspects of methods and systems for transceiver array synchronization are provided. An array based communications system comprises a plurality of transceiver circuits and an array coordinator. Each transceiver circuit of the plurality of transceiver circuits comprises a plurality of wireless transmitters and a local oscillator generator. Each wireless transmitter of the plurality of wireless transmitters is able to modulate a local oscillator signal from the local oscillator generator based on a weighted sum of a plurality of digital datastreams. The array coordinator is able to adjust a phase of a first local oscillator signal based on a phase difference between the first local oscillator signal and a second local oscillator signal. The first local oscillator signal is generated by a first local oscillator generator of a first transceiver circuit. The second local oscillator signal is generated by a second local oscillator generator of a second transceiver circuit.
System and method of predictive satellite spot beam selection
An embodiment of the present invention is a system to maximize efficiency as a mobile terminal receives data signals transmitted through multiple satellite spot beams. The multiple spot beams can be broadcast via a single satellite or multiple satellites. As a mobile terminal travels throughout a region, the system determines which spot beam would delivers data in the most efficient manner possible. This system takes into account multiple factors, including but not limited to velocity of the mobile terminal, traffic within a spot beam, business affiliations, etc. Once the system takes into account the various factors, an embodiment of the present invention generates a relative weighted factor that is subsequently associated with various available spot beams. Based on rankings of the weighted factors associated with each spot beam, the system may choose to receive data from a different spot beam.
Method and device for operating beam mode in wireless communication system
According to one embodiment of the present invention, provided is a method for setting a beam mode of a base station in a wireless communication system, comprising the steps of: selecting the beam mode for at least one terminal, which is serviced by the base station, on the basis of a channel state of a transmission beam or a reception beam of the base station; transmitting, to the terminal, a control message including selected beam mode information; and performing data communication with the terminal by using the transmission beam and the reception beam corresponding to the selected mode. In addition, according to one embodiment of the present invention, provided is a communication method of the terminal in the wireless communication system, comprising the steps of: receiving a beam mode setting message from the base station; setting either a beam fixation mode or a beam sweeping mode on the basis of the received beam mode setting message; and performing data communication with the base station on the basis of the set mode.
Optimization of full-power broadcast beamforming
Systems, methods, and computer-readable media for dynamically optimizing the use of full-power broadcast beamforming within a wireless communication network are provided herein. Though full-power broadcast beamforming may result in increased interference and decrease throughput, the increased coverage area provided by full-power broadcast beamforming is favored under certain conditions, including the locations of user devices within a network cell. Accordingly, location data may be received from user devices within a network cell utilizing a plurality of beams, and the locations of each of the user devices may be used to determine whether to enable full-power broadcast beamforming where each beam within plurality of beams is at a maximum signal strength. Upon determining to enable full-power broadcast beamforming, a signal weight for one or more of the beams may be adjusted to full power.
Method and apparatus for generating common signal in multiple input multiple output system
Provided is a method for generating, by a base station, a common signal commonly required for surrounding terminals of the base station in a massive multiple input multiple output (MIMO) system. The base station generates data commonly required for the surrounding terminals. The base station generates a plurality of beamforming vectors using a time-domain constant amplitude (TCA)-frequency-domain constant amplitude (FCA) sequence having a constant size in a time domain and a frequency domain. Further, the base station generates a plurality of antenna streams corresponding to the common signal by multiplying the plurality of beamforming vectors by the data.
Low complexity flexible beam-width for directional modulation
Method and system for transmitting a directionally modulated data stream via an antenna array. A first signal processing circuitry receives a data symbol of a first data stream, maps the first data stream to a specified number of sub-beams based on a stream beam-width assignment, assigns a direction angle for transmission of the data stream, and transmits in parallel, for each of the specified number of sub-beams, an instance of the data symbol to a second signal processing circuitry. The second signal processing circuitry generates antenna array element weights based on the data symbol and a matrix having a DFT structure. The matrix is independent of the assigned direction angle. The data symbol is transmitted via the antenna array utilizing the antenna array element weights. The DFT is implemented as a fast Fourier transform. White noise is transmitted in the sub-beams beams outside the beam-width requirement of the data stream.
Techniques for MU-MIMO sounding sequence protection
The disclosure provides techniques for sounding sequence protection in multi-user multiple-input-multiple-output (MU-MIMO) communications for wireless local area networks (WLANs). An access point (AP) may select a station (STA) from multiple STAs in a MU-MIMO group. The AP may then transmit a request-to-send (RTS) frame, where the RTS is addressed to the selected STA. The AP may receive a clear-to-send (CTS) frame from the selected station and may perform, in response to receiving the CTS frame, a sounding sequence with the MU-MIMO group. After completion of the sounding sequence, the AP may transmit MU-MIMO data communications to at least one of the STAs in the MU-MIMO group.
Detection of spatially multiplexed signals for over-determined MIMO systems
Method and apparatus of obtaining better detection performance by improving matrix condition for an M×N over-determined MIMO system are disclosed. The condition of a matrix to be inverted for solving various detection problems is improved by reordering equations of the original MIMO system, resulting in a reordered channel matrix and reordered received signal vector so that the top N×N sub-matrix has the largest determinant among all N×N sub-matrices of the reordered channel matrix. The disclosed method may be used to obtain a more accurate estimate of the transmit data bits.
Method and apparatus for hierarchically cooperative V-MIMO in wireless communication system
A method is provided for determining, by a base station, a Virtual-Multiple-Input Multiple-Output (V-MIMO) cluster in a wireless communication system. The base station determines a transmission efficiency of a temporary cluster and selects one or more entry candidate nodes contained in the temporary cluster. The base station determines an entry transmission efficiency. The entry transmission efficiency is a transmission efficiency when the entry candidate node enters a V-MIMO unit cluster. The base station determines whether to make the entry candidate node enter the V-MIMO unit cluster by comparing the entry transmission efficiency with the transmission efficiency of the temporary cluster.
Methods and systems for a distributed radio communications network
The present disclosure is directed to methods and systems for providing a distributed radio communications network. Each of a first gateway and a second gateway may separately receive modulated signals comprising at least a portion of data from a first node of a plurality of geographically-dispersed nodes. The modulated signals may be wirelessly transmitted as radio frequency (RF) signals from the first node, the data gathered or generated by the first node at a first location. A server may receive the modulated signals from the first gateway and the second gateway. As configured by software-defined radio (SDR) software, the server may perform processing of the separately received modulated signals to recover the data. The processing may include demodulation of the modulated signals.
Near field, full duplex data link for use in static and dynamic resonant induction wireless charging
A full duplex, low latency, near field data link controls a static and/or dynamic resonant induction, wireless power transfer system used for recharging electric vehicles and other electrically powered devices. A coherent transponder configuration enables low complexity synchronous detection and positive rejection of signals originating from nearby and adjacent vehicles. A reference crystal oscillator in the ground side apparatus provides frequency synchronization for both the forward and the return data links. Transmission is by means of near field magnetic induction between pairs of loop antennas which, together with the effective waveguide below cutoff structure comprised by the vehicle underbody and the ground surface, largely restrict signal propagation to the area in the immediate vicinity of the system antennas.
Connection and synchronization with a device in a non-active state based on near field communication
Technologies for one-tap connection and synchronization with a device in a non-active state are disclosed. When a user brings a first device enabled for Near Field Communication (NFC) to close proximity of a second NFC-enabled device when the second device is in a non-active state, the second device may be awakened, or placed in an active state, for a period of time to perform one or more operations before returning to the non-active state. These operations include, for example, allowing the first device to access data stored in the second device and synchronizing one or more applications installed on the second device with remote servers.
High-frequency front-end circuit
A high-frequency front-end circuit includes first and second switching circuits, first, second, and third splitters, and first and second lines. The first line is connected to the second splitter. The second line is connected to the third splitter. An adjustment circuit is connected between the first and second lines. The frequency of a harmonic signal of a transmission signal transmitted through the first line has a frequency band that is close to or overlaps the frequency of a reception signal transmitted through the second line. The impedance of the adjustment circuit is set such that a harmonic signal transmitted from the adjustment circuit to the second line and a harmonic signal transmitted from the third splitter to the second line are not in same phase with each other at the connection point between the adjustment circuit and the second line.
Signal transceiving circuit and receiving circuit control method
A transceiving circuit, which comprises: a transmitting circuit, configured to transmit a test signal; a receiving circuit, comprising a mixer configured to receive a plurality of predetermined DC bias voltage groups, wherein the receiving circuit generates a plurality of output signals according to the test signal while the mixer operates at the predetermined DC bias voltage groups; a frequency domain analyzing circuit, configured to transform the output signals to a plurality of frequency domain signals; and a DC bias voltage generating circuit, configured to generate a function according to the frequency domain signals and the predetermined bias voltage groups, and configured to generate a first DC bias voltage group to the mixer according to the function.
Adaptive antenna selection for interference mitigation
This disclosure relates to performing antenna selection to reduce interference in a wireless device. According to some embodiments, it may be determined whether simultaneous communication according to first and second wireless communication technologies causes performance degradation to a third wireless communication technology. If the simultaneous communication according to first and second wireless communication technologies does cause performance degradation to the third wireless communication technology, selection of antenna(s) used for the communications may be based at least in part on the determination that the simultaneous communication according to the first and second wireless communication technologies causes performance degradation to the third wireless communication technology.
Transmitter/receiver module for millimeter wave 5G MIMO communication systems
A transmit/receive module includes an integrated control circuit. The integrated control circuit includes an RFIC input terminal, multiple pairs of I/O terminals, a power splitter/combiner having an input connected to the RFIC input terminal, a plurality of phase shifters connected between outputs of the power splitter/combiner and the I/O terminals, and a power sensor connected to each one of the I/O terminals. The integrated control circuit further includes a plurality of transmit/receive integrated circuits that each include a TX input terminal, an RX output terminal, an antenna interface terminal, a power amplifier connected, a low noise, and a switch connected between the power amplifier, the low noise amplifier and the antenna interface terminal. Gate and drain terminals of a final stage of each power amplifier of the transmit/receive integrated circuits are independently connected to and controllable by the integrated control circuit.
Radio frequency shielding within a semiconductor package
Radio frequency shielding within a semiconductor package is described. In one example, a multiple chip package has a digital chip, a radio frequency chip, and an isolation layer between the digital chip and the radio frequency chip. A cover encloses the digital chip and the radio frequency chip.
Coupling mechanisms for enhancing the functionality of smart phones and tablet computers
Simple coupling mechanisms for attaching electronic styluses to personal information display and input devices and their use as propping instruments to position these devices to various angles and orientations with respect to a base or resting surface.
Wideband millimeter-wave frontend integrated circuit
According to one embodiment, a millimeter-wave (mm-wave) frontend integrated circuit includes an array of mm-wave transceivers, where each of the mm-wave transceivers transmits and receives coherent mm-wave signals with variable amplitudes and phase shifts. The mm-wave frontend IC chip further includes a wideband frequency synthesizer coupled to the mm-wave transceivers. The full-based or wideband frequency synthesizer generates and provides a local oscillator (LO) signal to each of the mm-wave transceivers to enable the mm-wave transceiver to mix, modulate, and/or demodulate mm-wave signals. The array of mm-wave wideband transceivers and the wideband frequency synthesizer may be implemented within a single IC chip as a single mm-wave frontend IC chip or package.
An electronic device includes an antenna configured to receive a wireless transmission. The wireless transmission includes noise and data to be received. The electronic device includes a signal splitter that splits the wireless transmission into a first signal and a second signal. The electronic device includes a filter configured to filter the data to be received in the first signal. Furthermore, the electronic device includes merging circuitry configured to subtract the first signal from the second signal to reduce the noise in the second signal.
Dynamic low-latency processing circuits using interleaving
Systems and methods for processing a multitude of variable and varying signals in real time with low latency using fixed hardware with fixed processing resources, such as those within an application-specific integrated circuit (ASIC) or a field-programmable gated array (FPGA). The signal processing systems and methods allow the resource allocation to continuously adjust their processing as a result of changing signal conditions. In accordance with various embodiments, fixed processing resources in ASIC or FPGA form are dynamically allocated through an intelligent interleaving methodology that efficiently maps the signal processing of incoming signals while essentially preserving the same latency as if each signal channel were processed at the full sample rate. This is accomplished by multiplexing under the control of a resource sharing algorithm.
System and method to auto-configure a transmitter for a sensor
An apparatus includes a memory element and a processing device. The memory element is configured to store a plurality of configurations for different sensors in an industrial process and control system. The processing device is configured to identify at least one wired connection to a sensor in the industrial process and control system. The processing device is also configured to detect a type of the sensor based on the at least one wired connection. The processing device is also configured to identify a configuration of the plurality of configurations based on the type of the sensor.
Uplink and downlink carrier aggregation
Improved switched multiplexer architecture for supporting carrier aggregation in front-end applications. In some embodiments, an N-plexing system can include an assembly of filters configured to provide N filtered paths, and a switching circuit in communication with the assembly of filters. The switching circuit can be configured to provide a plurality of switchable paths between the assembly of filters and an antenna port to allow simultaneous operation between the N filtered paths and the antenna port. In some embodiments, N can be 4 for a quadruplexing system or 2 for a duplexing system, and such a system can be implemented in a front-end module (FEM) for wireless devices.
Decoder and method for physically unclonable functions using threshold decoding
A decoder includes a feedback shift register having a plurality of register elements that implement a simplex code and take a register vector for determining an appropriate syndrome fed into the feedback shift register and stored in the plurality of register elements. A combination device algebraically combines a subset of the register elements and provides a combination result vector. A majority decision-making unit ascertains a most frequently occurring value within the combination result vector and provides it as a decision result. An input selector connects an input of the feedback shift register to an input interface arrangement or to an output of the majority decision-making unit, and provides an input vector by the input interface arrangement and corresponds to the ascertained form of the physical unclonable properties as a register vector and, and provides a decision vector comprising the decision result and further decision results as a register vector.
Error correction methods and apparatuses using first and second decoders
Apparatuses and methods for error correcting data are provided. A first error correction code (ECC) decoder is configured to decode a first codeword to provide a first result and to decode a second codeword to provide a second result. The decoder is configured to run up to a particular number of iterations to provide each of the results. A second ECC decoder is configured to decode a third codeword to provide decoded data, wherein the third codeword comprises the first result and the second result. An evaluation module is configured to initiate a recovery scheme responsive to the decoded data including an error.
Reliability-assisted bit-flipping decoding algorithm
A method for decoding low-density parity check (LDPC) codes, includes computing an initial syndrome of an initial output, obtaining an initial number of unsatisfied checks based on the computed initial syndrome, and when the initial number of unsatisfied checks is greater than zero, computing a reliability value with a parity check, performing a bit flip operation, computing a subsequent syndrome of a subsequent output, and ending decoding when a number of unsatisfied checks obtained based on the computed subsequent syndrome is equal to zero.
Apparatus and method for multilevel coding (MLC) with binary alphabet polar codes
A method includes receiving multiple bits to be transmitted. The method also includes applying a first binary alphabet polar code to a first subset of the multiple bits to generate first encoded bits. The first encoded bits are associated with a first bit level of a multilevel coding scheme. The method further includes generating one or more symbols using the first encoded bits and bits associated with a second bit level of the multilevel coding scheme. The first binary alphabet polar code is associated with a first coding rate. In addition, the method could include applying a second binary alphabet polar code to a second subset of the multiple bits to generate second encoded bits. The second encoded bits are associated with the second bit level. The second binary alphabet polar code is associated with a second coding rate such that the bit levels have substantially equal error rates.
Digitally calibrated successive approximation register analog-to-digital converter
A system can include an analog input port; a digital output port; and a successive approximation register (SAR) analog-to-digital converter (ADC). The SAR ADC can include a voltage comparator Vd having a first input, a second input, and an output; a first plurality of capacitors Cp[0:n] that are coupled with the analog input port and each have a top plate and a bottom plate; a second plurality of capacitors Cn[0:n] that are coupled with the analog input port and each have a top plate and a bottom plate; and a SAR controller coupled between the output of the voltage comparator Vd and the digital output port.
Phase-locked loop (PLL) with charge scaling
An integrated circuit is disclosed that implements a phase-locked loop with charge scaling. In an example aspect, the integrated circuit includes a charge pump, a filter, and a charge manager. The charge pump generates a current signal, and the filter includes a filter capacitor. The charge manager is coupled between the charge pump and the filter. The charge manager includes current-sampling capacitance circuitry and a charge manager controller that is coupled to the current-sampling capacitance circuitry. The current-sampling capacitance circuitry receives the current signal from the charge pump and retains charge from the current signal to create stored charge, with the stored charge including a first charge portion and a second charge portion. The charge manager controller causes the current-sampling capacitance circuitry to communicate the first charge portion to the filter capacitor and causes the current-sampling capacitance circuitry to divert the second charge portion away from the filter capacitor.
Semiconductor device and method of driving semiconductor device
A semiconductor device using a programming unit with is provided. A highly reliable semiconductor device using the programming unit is provided. A highly integrated semiconductor device using the programming unit is provided. In a semiconductor circuit having a function of changing a structure of connections between logic cells such as PLDs, connection and disconnection between the logic cells or power supply to the logic cells is controlled by a programming unit using an insulated gate field-effect transistor with a small amount of off-state current or leakage current. A transfer gate circuit may be provided in the programming unit. To lower driving voltage, a capacitor may be provided in the programming unit and the potential of the capacitor may be changed during configuration and during operation.
Switching system and method
The invention relates to a Radio Frequency System and method. A Radio Frequency (RF) system comprising a RF switch comprising a plurality of transistor switching elements implemented on Silicon on Insulator (SOI) for switching at least one or more RF signals and said SOI comprises a bulk substrate region and a buried oxide region. At least one filter is adapted to isolate the RF signal from the substrate and/or other high frequency signals or control signals present in the RF system. There is also provided a coupling capacitor adapted to cooperate with the filter to improve linearity of the transistor switch elements.
Drive control apparatus
Parallely connected first and second switches respectively have first and second on resistances. The second on resistance is higher than the first on resistance in a lower range of current, and lower than the first on resistance in a higher range of current. A current obtaining unit obtains a current parameter indicative of an input current flowing through both the first and second switches. A low-current control unit controls, based on the obtained current parameter, switching operations of the first and second switches to correspondingly increase the number of times of turn-on of the first switch relative to the number of times of turn-on of the second switch, and prevent simultaneous turn-on of the first and second switches while a value of the input current is located within a predetermined low-level current region, the low-level current region being lower than the threshold current.
Electronic circuit for controlling a half H-bridge
Disclosed is an electronic circuit for controlling a half H bridge, the half split H bridge including first and second MOSFET transistors of different respective types, with sources connected respectively to a supply line and to an electric mass, and with respective drains connected to a load. Moreover, the control circuit includes first and second bipolar transistors of different respective types, with collectors connected to the supply line and to the electric mass, respectively, and with respective bases connected to a control module for controlling the MOSFET transistors, as well as first and second arms mounted parallel relative to one another between the gates of the MOSFET transistors, connected to the emitter of the first bipolar transistor and of the second bipolar transistor, respectively, the first arm including a first diode and a first resistor, and the second arm including a second diode and a second resistor.
Adjusting drive strength for driving transistor device
A system that can include a detector that can monitor a voltage at an input of a transistor device over a period of time and provide a signal having a value representative of a capacitance between the input and an output of the transistor device. The system can further include a driver that can have a programmable drive strength and be coupled to input of the transistor device to drive the transistor device at the input thereof. The system can further include a controller that can configure the driver based on the signal to drive the transistor device with a corresponding drive strength.
Digital filter with confidence input
A finite impulse response (FIR) digital filter has an assigned filter function with assigned filter coefficients, an input receiving input samples, another input receiving confidence information values, and an output. Each input sample value is associated to an input confidence value and the filter output depends on both the input samples and the input confidence values.
90 degree hybrid with varactor diodes for low loss, simple bias and zero power consumption phase shifter
An apparatus and method for continuously shifting the phase of an input signal includes a quadrature hybrid having an input/output port for receiving an input radio frequency (RF) signal and outputting a phase shifted RF signal. An analog shifting unit is connected to the quadrature hybrid for performing an intermediate phase shift on the input RF signal. An additional analog shifting unit is connected to an isolation port of the quadrature hybrid to receive an intermediate output signal based on the intermediate phase shift, and shifting a phase of the intermediate output signal to produce an intermediate input signal. The analog shifting unit performs a final phase shift of the intermediate input signal and the final phase shifted intermediate input signal is output, at the input/output port, as the phase shifted RF signal.
Filter devices having improved attenuation characteristics
A filter device having improved attenuation and isolation characteristics. In one example the filter device has a common terminal, a first terminal, and a second terminal, and includes a first filter connected between the common terminal and the first terminal, a second filter connected between the common terminal and the second terminal, and an additional circuit including at least three IDT electrodes each connected to a respective one of a corresponding at least three connection points within the filter device, the at least three connection points being selected from a group consisting of the common terminal, the first terminal, the second terminal, a first node disposed between the plurality of first filter elements along a path extending between the common terminal and the first terminal, and a second node disposed between the plurality of second filter elements along a path extending between the common terminal and the second terminal.
Common mode filter
A common mode filter includes a body portion including a plurality of external electrodes disposed externally on the body portion, a first filter portion disposed within the body portion and including a plurality of coil electrode layers, and a second filter portion disposed within the body portion and including a plurality of coil electrode layers. The first filter portion and the second filter portion are connected to each other in series, and an area of the plurality of coil electrode layers of the first filter portion and an area of the plurality of coil electrode layers of the second filter portion are different from each other.
Method to reduce frequency distribution of bulk acoustic wave resonators during manufacturing
A method of tuning the resonant frequency of embedded bulk acoustic resonators during manufacturing of an integrated circuit. The rate of change in the resonant frequency of BAWs vs rate of change in top electrode thickness is determined and used to tune the resonant frequency of embedded bulk acoustic resonators during integrated circuit manufacturing.
Amplifier with termination circuit and resonant circuit
Aspects of this disclosure relate to efficient power amplifiers, such as class-F power amplifiers. A power amplifier transistor can provide an amplified RF signal. A termination can be coupled to an output of the power amplifier transistor and configured to provide a short circuit at a second harmonic. In some instances, the termination circuit can provide an open circuit at a third harmonic. A resonant circuit can be coupled to the output terminal of the power amplifier transistor and configured to provide an open circuit at the third harmonic. In certain embodiments, an input termination circuit coupled to an input terminal of the power amplifier transistor can provide a short circuit at the second harmonic. The power amplifiers of this disclosure can be implemented, for example, in envelope tracking applications.
Calibration of push-pull amplifier to a low second order distortion
An integrated circuit comprises a first amplifier circuit with a push-pull amplifier configured to be calibrated to a low second order distortion. The integrated circuit further comprises a second amplifier circuit with at least one push-pull amplifier, wherein a size ratio between sizes of the transistors is adjustable by adjusting the size of at least one transistor device. The size ratio can be consecutively adjusted to a plurality of values, and for each value, a first output signal of a push-pull amplifier with an applied test signal and a second output signal of a push-pull amplifier without applied test signal, are determined. The size ratio for which a difference between the push-pull amplifier output signals is closest to zero is determined, and the push-pull amplifier of the first amplifier circuit is calibrated in dependence of the determined size ratio.
Method and apparatus for improving signal quality in electronic device
A method and an apparatus for improving signal quality through noise detection in an electronic device are provided. The electronic device may include a power amplifier configured to amplify and output a transmitted signal, a noise detector configured to detect noise in a receiving band by the power amplifier and to output a power level of the detected noise, and a processor configured to acquire the power level of the noise through the noise detector, acquire control information to change the output power of the power amplifier based on the power level of the noise, and control the output power of the power amplifier based on the control information.
Fiber-optic node with forward data content driven power consumption
Methods and systems for modulating an amplifier power supply to efficiently attain amplified RF output power with much lower power dissipation than existing amplifiers. In a cable television (CATV) network, a processor receives a signal to be amplified by an amplifier at a location remote from the processor. A bias point of the amplifier may be variably modulated based on peaks of an input signal to reduce amplifier dissipation.
Oscillation circuit, electronic apparatus, and moving object
An oscillation circuit includes an oscillating circuit adapted to oscillate a resonator element, a capacitance circuit connected to the oscillating circuit, and capable of correcting an oscillation frequency of the oscillating circuit, a logic circuit to which a signal output from the oscillating circuit is input, and which is capable of correcting a frequency of the signal, and a control circuit adapted to control an operation of the capacitance circuit and an operation of the logic circuit.
Photovoltaic sleeve for street lights and the like
A photovoltaic panel system for assembly to an outdoor column which is ergonomic in design, modular in structure and has features of connection that are protected from the outdoor elements. The assembly comprises one or more housings, each housing comprising a photovoltaic panel extending between two collars and each collar being hinged to allow the collars to be placed around the column. The also includes an extension section extending beyond one collar at one end of the housing, and which has means to secure the section to the column and having a dimension of less than each collar. The collar of one housing extends over the extension piece of the neighboring housing to cover the column securement means and protect the securement means from the outside environment.
Motor control device
A motor control device calculates a velocity difference based on a velocity command and a velocity detection value of a motor and an excitation current common phase voltage difference based on an excitation current command value and an excitation current detection value, and judges that demagnetization occurs when the following conditions are all met: the excitation current common phase voltage difference exceeds a voltage threshold; the velocity difference exceeds a velocity threshold; and acceleration is being performed.
State display device of industrial machinery and power conversion device
An LED indicator 4 connected to industrial machinery including an inverter 1, includes: an LED substrate 8 into which a display control signal according to a state relating to the industrial machinery is input; and a plurality of displays 31, 32, and 33 configured to display in a lighting state corresponding to a state of the industrial machinery, on the basis of the display control signal input by the LED substrate 8. The plurality of displays 31, 32, and 33 each include a partially circular-arc shape, and are generally arranged in an approximately annular shape. The plurality of displays 31, 32, and 33 include the two displays 31, 32 that generally configure a half ring at one side of the approximately annular shape, and the one display 33 that generally configures a half ring at the other side of the approximately annular shape.
V/F control method for suppressing current oscillation of induction motor
The present invention provides a V/F control method for an induction motor comprising: extracting a reactive current and an active current and performing a differential calculation on them respectively to obtain a differential of the reactive current and a differential of the active current; multiplying the differential of the reactive current and the differential of the active current by a first coefficient and a second coefficient respectively; obtaining the sum of the result of multiplying the differential of the reactive current by the first coefficient and the result of multiplying the differential of the active current by the second coefficient; applying low-pass filtering on the sum to obtain a compensation; and superposing the compensation onto an original given angular frequency to perform V/F control.
Methods and apparatus for soft operation of transformers using auxiliary winding excitation
An apparatus includes a magnetizing circuit configured to be coupled to a transformer and to selectively provide a magnetizing current to the transformer and a control circuit configured to cause the magnetizing circuit to provide the magnetizing current following disconnection of the primary winding of the transformer from the power source. The magnetizing circuit may be configured to provide the magnetizing current from a first source following disconnection of the primary winding from a second source. The transformer may include a first transformer and the apparatus may further include a second, higher impedance transformer coupled between the second source and the first transformer. In further embodiments, the magnetizing circuit may include a solid-state converter.
Door opening/closing device and door opening/closing method
A door opening/closing device includes: a motor; and a control unit that is configured to control a rotation rate of the motor by pulse-width modulation (PWM) control. The door opening/closing device opens and closes a door of a vehicle with power of the motor. The control unit is configured to perform the PWM control on the motor at a PWM frequency set so as to deviate from a resonance point of an installation body on which the motor is installed.
Interface circuit and electrical appliance system comprising the same
An interface circuit, including: a micro control unit (MCU), an isolated power supply, and a signal isolating circuit. The MCU, the isolated power supply, and the signal isolating circuit are integrated on a circuit board. The output end of the isolated power supply supplies power for circuits. The input end of the isolated power supply is connected to an external input power supply. The A/D conversion input port of the MCU is connected to the analog voltage signals. The MCU is configured to convert the analog voltage signals into pulse width modulation (PWM) signals or variable frequency signals with certain duty cycles, and output the PWM signals or the variable frequency signals to the input end of the signal isolating circuit. The signal isolating circuit is configured to output the PWM signals or the variable frequency signals with certain duty cycles.
Linear hall effect sensors for multi-phase permanent magnet motors with PWM drive
Low cost linear Hall Effect sensors are used for determining motor shaft positions and generating voltages proportional to the motor shaft positions. The voltages from the linear Hall Effect sensors are compared to a triangle waveform and PWM signals are generated therefrom. A constant current source and constant current sink are used in the triangle waveform generator. The voltages from the linear Hall Effect sensors are adjusted to change the PWM duty cycles used to startup and vary the speed of the motor. Comparators compare the voltages from the Hall Effect sensors and product the PWM signals having duty cycles proportional to the voltage drive requirements of the motor.
Torque ripple cancellation algorithm involving supply voltage limit constraint
A system for reducing a torque ripple cancellation command is provided and includes a current regulator that provides motor voltage commands to a motor, and a torque ripple cancellation module that generates a torque ripple cancellation command based on input currents to the current regulator. A ramp-down command generator module that provides a ramp-down command to the torque ripple cancellation module is also provided. The ramp-down command is based on a voltage saturation indicator, and a voltage saturation indicator generator that generates a voltage saturation indicator signal. The voltage saturation indicator signal is based on a supply voltage signal and a motor voltage command.
Systems and methods for generating high voltage pulses
A high voltage pulse generating system has a latching element coupled in between a ferroelectric generator (FEG) and a load, such as a vector inversion generator. Such a latching element prevents the return of current to the FEG when the FEG undergoes mechanical destruction after depolarization, thereby increasing the useful amount of energy extracted from the FEG. In some embodiments, multiple FEGs are configured with multiple latching elements to deliver multiple high-voltage, high-current pulses.
A third power supply circuit subjects a reference voltage to DC-DC conversion to generate a power supply voltage common to a second driver circuit for driving a second switching device and a fourth driver circuit for driving a fourth switching device. Wirings from a substrate on which the third power supply circuit is provided to a substrate on which the second driver circuit and the fourth driver circuit are provided are used by the third power supply circuit to supply the power supply voltage commonly to the second driver circuit and the fourth driver circuit. A first impedance device, a second impedance device, a third impedance device, and a fourth impedance device are provided in a substrate on which the second driver circuit and the fourth driver circuit are provided.
Hybrid full bridge-voltage doubler rectifier and single stage LLC converter thereof
A hybrid rectifier that works as either a hybrid full bridge or a voltage doubler. Under 220 V AC input condition, the hybrid rectifier operates in full bridge mode, while at 110 V AC input, it operates as voltage doubler rectifier. The hybrid rectifier may be used with a DC-DC converter, such as an LLC resonant converter, in a power supply. With this mode switching, the LLC converter resonant tank design only takes consideration of 220 V AC input case, such that the required operational input voltage range is reduced, and the efficiency of the LLC converter is optimized. Both the size and power loss are reduced by using a single stage structure instead of the conventional two-stage configuration.
Switching regulator operable to alter feedback based on load
A switching regulator has: a switching device; a rectifying device having the anode thereof connected to an output terminal from which an output voltage is output; an inductor arranged between the switching device and the output terminal; a controller having an error amplifier configured to produce an error signal commensurate with a difference between a voltage commensurate with the cathode voltage of the rectifying device and a reference voltage, the controller using the cathode voltage of the rectifying device as a supply voltage and turning ON and OFF the switching device according to the cathode voltage of the rectifying device; a monitor configured to monitor a current that flows through the inductor; and a current varier configured to increase, based on the result of monitoring by the monitor, a current that flows through the rectifying device with increase in the current flowing through the inductor.
Inverter DC bus bar assembly
Power inverter assemblies are provided herein for use with motor vehicles. An inverter assembly may have a symmetrical structure configured to convert DC input power to AC output power. The inverter assembly may include a housing enclosing a symmetrical DC input portion, a symmetrical AC output portion, a DC link capacitor, and a gate drive portion having a pair of power modules. The symmetrical DC input portion can include a DC input bus bar sub-assembly to which the DC link capacitor is coupled, and a second DC bus bar sub-assembly that may electrically couple the DC link capacitor with the power modules. The symmetrical AC output portion may include a three phase output AC bus bar sub-assembly to which the power modules can be electrically coupled. A cooling sub-assembly may be provided for cooling the power modules with fluid transfer using a coolant.
Unidirectional matrix converter with regeneration system
An AC-to-AC matrix converter includes a controlled rectifier input stage, an inverter output stage, and a regenerative unit. The controlled rectifier input stage is electrically connected to a power source and configured to convert AC input power from the power source into DC power. The controlled rectifier input stage may be unidirectional. The inverter output stage is electrically connected to a load and operates to convert the DC power into AC output power, which is then fed into the load. The regenerative unit is electrically connected to the inverter output stage and operates control energy generated by the load in a regenerative mode within the inverter output stage. The controlled rectifier input stage may be isolated from the inverter output stage in the regenerative mode.
AC/DC converters with wider voltage regulation range
A converter is provided. The converter includes a first DC/DC converter, a non-isolated DC/DC converter and a control circuit. The first DC/DC converter includes a transformer, a primary side inverter and a secondary side rectifier. The primary side inverter and a secondary side rectifier are operable at multiple operating modes. The control circuit determines an operating mode for the primary side inverter or the secondary side rectifier, and controls the primary side inverter or the secondary side rectifier to change its respective operating mode.
Power supply regulation and bidirectional flow mode
A power converter circuit includes a transformer. The transformer includes a primary winding and a secondary winding. The power converter circuit uses energy conveyed from the primary winding of the transformer through the secondary winding of the transformer to produce an output voltage to power a load. Control circuitry of the power converter circuit initiates conveying a portion of the received energy through the secondary winding back through the primary winding to control a magnitude of the output voltage. For example, if the magnitude of the output voltage is above a desired setpoint value, such as due to a transient load condition or change in the setpoint of the output voltage, the control circuitry reduces the magnitude of the output voltage by conveying excess energy from an output capacitor (that stores the output voltage) through the secondary winding to the primary winding.
Load responsive jitter
A controller for use in a power converter that includes a current limit generator coupled to receive a feedback signal representative of an output of the power converter and generate an initial current limit signal. The controller includes a modulation circuit coupled to output a modulation signal which is a percentage of the initial current limit signal. An arithmetic operator is coupled to receive the initial current limit and selectively receive the modulation signal and output a current limit. A comparator is coupled to receive a current sense signal representative of a switch current conducted by a primary switch. A drive circuit is coupled to generate a drive signal to control switching of the primary switch to regulate the output of the power converter in response to the comparator output signal, and the drive circuit turns off the primary switch when the switch current has reached the current limit.
Pass through regulation of buck-boost regulator
A controller may control a buck-boost regulator having an input voltage and an output voltage. The controller may include: circuitry that causes the output voltage of the buck-boost regulator to be at the bottom of a pre-determined voltage window when the input voltage goes below the bottom of the pre-determined voltage window: circuitry that causes the output voltage of the buck-boost regulator to be at the top of the pre-determined voltage window when the input voltage goes above the top of the pre-determined voltage window; and circuitry that causes the buck-boost regulator to pass the input voltage through the buck-boost regulator so as to cause the voltage output of the buck-boost regulator to be at the same level as the input voltage when the input voltage is within the pre-determined voltage window.
High-speed open-loop switch-mode boost converter
An open-loop switch-mode boost converter includes a switching signal generator circuit that receives a time-varying input signal and outputs a switching signal. A duty-cycle of the switching signal has a first non-linear relationship to an amplitude of the time-varying input signal. An amplifier receives the switching signal and outputs a time-varying output signal, an amplitude of which has a second non-linear relationship to the duty-cycle of the switching signal. The time-varying output signal has a linear relationship to the time-varying input signal based on the first non-linear relationship and the second non-linear relationship. A filter circuit receives the time-varying output signal and outputs a filtered time-varying output signal which has a maximum frequency component that is substantially the same as a maximum frequency component of the time-varying input signal. The switching signal generator circuit is communicatively isolated from the voltage output node and the filter output node.
Enhanced conduction for p-channel device
A technique for enhancing the conduction of a p-channel device is disclosed. Specifically, a negative charge pump is configured to provide a gate drive voltage to a p-channel device. The negative charge pump creates a negative voltage potential below ground and facilitates increased gate drive for the p-channel device. The gate drive voltage output by the negative charge pump may be selected such that it is optimal for the p-channel device operation.
Distributed driving system
A step down convertor with a distributed driving system. In one embodiment, an apparatus is disclosed that includes an inductor coupled to an output node. The apparatus also includes first and second circuits. The first circuit can transmit current to the output node via the inductor, and the second can transmit current to the output node via the inductor. The apparatus also includes a third circuit for modifying operational aspects of the first circuit or the second circuit based on a magnitude of current flowing through the inductor.
Heatsink design with thermal insulator to reduce encoder temperature
An electric motor assembly including a housing, an electric motor supported in a motor compartment of the housing, an encoder operatively coupled to the electric motor and supported in an encoder compartment of the housing, and a heat sink surrounding at least a portion of the encoder, the heat sink in thermal contact with an end cap of the housing at least partially defining the encoder compartment, whereby the heat sink is adapted to absorb heat from the encoder and conduct heat to the end cap.
Variable performance electric generator
Described is a large, thin frame gas cooled electric generator for power generation, having a gas cooled rotor arranged along a centerline of the generator; a gas cooled core arranged coaxially and surrounding the rotor; a plurality of coils arranged within the core; a support frame arranged to fixedly support the core and rotationally support the rotor; a gas cooling system that circulates a cooling gas within the generator; a pressurizing system that variably pressurizes the cooling medium to a maximum pressure of one bar relative to atmospheric pressure; and a pressure boundary member that surrounds a plurality of the rotor and an entirety of the core and stator windings, the frame configured to operatively contain an internal cooling medium pressure of 2 bar relative to atmospheric pressure.
Electric machine for vehicle
A vehicle electric machine includes a stator having an end face and a yoke region defining a channel. End windings are adjacent to the end face. An annular cover has inner and outer walls defining an annular cavity configured to receive the end windings. The channel opens into the cavity, and a radial distance between the inner and outer walls is less than or equal to a radial length of the end face.
Relating to generating your own power
An exercise apparatus for generating electrical power is disclosed comprising a rotor comprising a flywheel comprising a plurality of alternatingly poled magnets arranged radially towards a circumference of the wheel in a circumferential, circular or arc-like configuration and a stator comprising a disc or annulus comprising one or more radially arranged coil units arranged to have a circumferential, circular or arc-like configuration, wherein the stator comprises a printed coil laminate comprising a sheet of insulator material and a printed conductor comprising conductive ink printed upon the sheet of insulator material, wherein the printed conductor is arranged to form a coil unit. The flywheel rotates, in use, relative to the disc to cause the magnets to move relative to the coil unit(s) and generate electrical power in the stator.
Rotary power generating apparatus and electric generating apparatus
Obtaining of a secure reciprocation of piston magnets and enhance the continuity to obtain a continuous rotary power. The rotary power generating apparatus has the first, second piston magnet members the first, second connecting rods the crankshaft, the first, second guide members and the first, second fixed magnet members and it has the first, second demagnetizing member including demagnetizing rotating boards respectively. The first, second piston magnet members and the first, second fixed magnet members are arranged so that the top pole surfaces and fixed pole surfaces, having the same polarity, opposes each other. The demagnetizing rotating boards has demagnetizing magnet parts, having magnetic forces weaker than the magnetic poles of the top pole surfaces and different from the polarity of the top pole surfaces and the non-magnetic force parts.
System and apparatus for modular axial field rotary energy device
An axial field rotary energy device can include a housing having coupling structures configured to mechanically couple the housing to a second housing of a second module. In addition, the housing can include electrical elements configured to electrically couple the housing to the second housing. A rotor can be rotatably mounted to the housing. The rotor can include an axis and a magnet. A stator can be mounted to the housing coaxially with the rotor. The stator can include a printed circuit board (PCB) having a PCB layer comprising a coil.
Electrical machine having a flux-concentrating permanent magnet rotor and reduction of the axial leakage flux
A rotor having a number of tangentially magnetized permanent magnets tangentially evenly distributed and arranged both in the center region and in the outer regions in the axial direction is disclosed. Flux-guiding elements between the permanent magnets guide the magnetic fields of the permanent magnets radially toward the center region of the stator. The flux-guiding elements comprise a plurality of sheets stacked on one another in the axial direction. The sheets in the outer regions are smaller than the sheets in the center region. The sheets arranged in the outer regions are surrounded on their radially outside end by a retaining apparatus. Form-fitting elements transmit centrifugal forces acting on the sheets arranged in the center region are transmitted to the sheets arranged in the outer regions.
Reluctance motor and flux barrier structure thereof
A reluctance motor and a flux barrier structure thereof are provided. The flux barrier structure is disposed in a rotor, and the flux barrier structure has at least one flux barrier space and a plurality of support bars. The flux barrier space is formed by at least one surrounding wall of the rotor. The support bars are intersected with each other in the flux barrier space, and the support bars are extended from one side of the enclosure wall to the opposite side thereof.
Multi-mode wireless power transmitter
Some embodiments relate to a multi-mode wireless power transmitter. The transmitter includes an inverter configured to produce at its output a first signal having a first frequency or a second signal having a second frequency. The transmitter also includes a first transmit coil coupled to the output of the inverter and configured to wirelessly transmit power at the first frequency. The transmitter also includes a second transmit coil coupled to the output of the inverter and configured to wirelessly transmit power at the second frequency. The transmitter further includes at least one matching network coupled to the first transmit coil, the second transmit coil, and the output of the inverter. The at least one matching network is configured to provide power to the first transmit coil in response to the first signal and inhibit providing power to the second transmit coil in response to the first signal.
A supporter includes a housing and a guide member formed at one side of the housing. The guide member has an inclined surface. A fixing member faces the guide member to fix an object and a transmission coil is disposed in the housing to wirelessly transmit power.
Operating a wireless power transfer system at multiple frequencies
A transmitter device in an inductive energy transfer system includes a first transmitter coil operatively connected to a first resonant circuitry. A receiver device includes a first receiver coil operatively connected to a first resonant circuitry. The first transmitter coil and the first receiver coil form a first transformer. The transmitter device, the receiver device, or both the transmitter and receiver devices can also include an auxiliary coil or inductor, which may form an auxiliary transformer. Energy can be transferred from the transmitter device to the receiver device using the first transformer or the auxiliary transformer. The transfer of energy may be adaptively adjusted based on the efficiency of the energy transfer. For example, the transfer of energy can be adjusted based on the operating conditions of the load.
Non-contact power reception apparatus
A non-contact power reception apparatus comprises a power reception coil which receives AC power supplied from a power transmission apparatus in a non-contact manner; a diode full-wave rectifier circuit which inputs AC power from a resonance circuit to first and second input ends and outputs DC power between an output end and a reference potential end; a common mode filter which comprises first and second coils wound around a common magnetic body in parallel in the same direction for only the same number of turns, connects one end of the first coil with the output end of the diode full-wave rectifier circuit and connects one end of the second coil with the reference potential end; a smoothing capacitor connected between the other end of the first coil of the common mode filter and the other end of the second coil; and a load connected with the smoothing capacitor in parallel.
Elevator wireless power transfer system
An elevator system includes a car arranged to move along a hoistway and a wireless power transfer system that includes a secondary resonant coil mounted to the car and configured to induce an electro-motive force and output a voltage or current, and a plurality of primary resonant coils distributed along the hoistway and configured to transmit power to the secondary resonant coil when a primary resonant coil is adjacent to the secondary resonant coil and is selectively energized. A control system of the wireless power transfer system is configured to select and energize the plurality of primary resonant coils, and includes a plurality of switches with each one being associated with a respective one of the plurality of primary resonant coils. The plurality of switches are configured to selectively close to energize a selected one of the plurality of primary resonant coils associated with a location of the car.
Variable frequency receivers for guided surface wave transmissions
Disclosed herein are various embodiments for a guided surface waveguide probe and a guided surface wave receiver, where the guided surface wave receiver comprises processing circuitry that (a) identifies at least one frequency from a plurality of available frequencies associated with a transmission of Zenneck surface waves along a terrestrial medium, and (b) adjusts a frequency at which the guided surface wave receiver receives electrical energy from the Zenneck surface waves via the terrestrial medium to a predetermined frequency.
Coil structure for wireless power transmissions and wireless power transmitter including the same
A coil structure for wireless power transmissions includes: a body having a cylindrical shape; an upper transmission coil formed on the body and configured to generate an electromagnetic field passing through an upper surface of the body; and at least one side transmission coil formed on the body and configured to generate an electromagnetic field passing through a side surface of the body.
Method for charging one or more electronic devices and charging device therefor
A charging device for charging one or more electronic devices is provided. The charging device includes a charging unit configured to include a first charging unit, and a second charging unit, the second charging unit protruding upward from a surface of the charging unit at an angle greater than or equal to a predetermined reference angle with respect to the surface of the charging unit, wherein, if at least one of the first charging unit and the second charging unit is arranged to face at least one electronic device in a face-to-face manner, the at least one of the first charging unit and the second charging unit supplies a wireless power to the at least one electronic device.
Wireless power receiver and method for controlling the wireless power receiver
A wireless power receiver and a method for controlling the wireless power receiver are provided. The wireless power receiver includes a resonant circuit configured to receiving electromagnetic waves from a wireless power transmitter and output alternate current (AC) power, a rectifier configured to rectify the AC power received from the resonant circuit into direct current (DC) power, a DC/DC converter configured to convert the DC power received from the rectifier and output the converted DC power, a battery, a charger configured to charge the battery with the converted DC power, and a controller configured to, upon detection of an event indicating a change in impedance at an output end of the DC/DC converter, control the impedance at the output end of the DC/DC converter and keep the impedance constant by adjusting voltage at the output end of the DC/DC converter.
Storage battery control apparatus, power storage system, and method for charging storage battery
A storage battery control apparatus is provided with which a system capable of charging a storage battery using power from an electric power system and also charging the storage battery using power from a power generation system is inexpensively built. A storage battery control apparatus includes a switching control unit and a switch for connecting a CT to a current sensor connecting portion in a power generation system during a period during which a storage battery is charged using power from an electric power system, and for connecting a CT to the current sensor connecting portion during a period during which the storage battery is charged using power from the power generation system.
Method and apparatus of battery charging
Embodiments of the present application provide a method of battery charging, which relates to the field of battery charging and is capable of effectively improving safety performance of the battery. The method includes: obtaining an anode open circuit voltage curve, an anode impedance curve, a lithium deposition potential threshold and a state of charge, corresponding to a battery; determining a current anode open circuit voltage according to the anode open circuit voltage curve and the state of charge; determining a current anode impedance according to the anode impedance curve and the state of charge; determining a current charging current according to the current anode open circuit voltage, the current anode impedance and the lithium deposition potential threshold; and charging the battery according to the current charging current. Embodiments of the present application are applicable to a rapid battery charging process.
Controller charging adapter and method for charging mobile terminal
The present disclosure provides a charging method and a charging system. The charging system includes a charging adapter and a mobile terminal, the charging adapter includes a second controller and an adjusting circuit, and the mobile terminal includes a cell detection circuit and a cell. The cell detection circuit acquires a voltage value of the cell, and sends the voltage value of the cell to the second controller, the second controller searches a threshold range table for a current adjusting instruction matched with a threshold range containing the voltage value of the cell, and sends the current adjusting instruction to the adjusting circuit, and the adjusting circuit performs a current adjustment according to the current adjusting instruction and outputs a power signal after the current adjustment, in which the threshold range table records threshold ranges and current adjusting instructions having a one-to-one mapping relation with threshold ranges.
Discharging circuit with voltage detection that selectively couples second node to ground
A discharging circuit discharging electrical charges of an external energy storage device coupled to a power transmission line coupled between a power supply device and a load is provided. The discharging circuit includes a current-limiting unit, an internal energy storage unit, a voltage detection unit and a discharge unit. The current-limiting unit is coupled between the power transmission line and a first node. The internal energy storage unit is coupled between the first node and a ground node. The ground node receives a ground level. The voltage detection unit detects a level of the first node. The discharge unit is coupled between the power transmission line and a second node. When the level of the first node is less than a pre-determined level, the voltage detection unit directs the second node to couple to the ground node.
Charging circuit and electronic device having the same
A charging circuit for charging a battery of an electronic device includes a first switch having one side connected to an interface into which external power is input, a second switch having one side connected to the other side of the first switch, a third switch having one side connected to the other side of the second switch, a fourth switch having one side connected to the other side of the third switch, a flying capacitor located between the other side of the first switch and the other side of the third switch, an inductor having one side connected to the other side of the second switch, and a control circuit for controlling a charging function of the battery by controlling on/off of the first switch, the second switch, the third switch and the fourth switch.
Multi-functional portable power charger
A portable charger capable of jump starting a 12 V car battery includes a charger battery, a jump start circuit operatively electrically connected with the charger battery and with an ignition power outlet, and a microcontroller for coordinating safety functions to establish or interrupt the operative electrical connection of the jump start circuit with the ignition power outlet. The ignition power outlet comprises a positive power socket, a negative power socket, a positive sensing socket and a negative sensing socket. The sensing sockets are electrically isolated from the power sockets, and the microcontroller senses voltage across the sensing sockets and is configured to interrupt the operative electrical connection of the jump start circuit to the ignition power outlet until proper voltage is sensed across the sensing sockets.
Secondary battery system
Provided is a secondary battery system capable of suppressing degradation of a battery capacity. When it is determined that a battery pack is brought into a non-use state, a battery state detection unit in a battery controller compares an SOC of the battery pack calculated by a battery state operation unit and a standard SOC. When the SOC of the battery pack is higher than the standard SOC, the battery state detection unit in the battery controller calculates a capacity value in which the SOC of the battery pack becomes lower than the standard SOC, from a difference of the SOC of the battery pack and the standard SOC, and transmits the calculated capacity value to a cell controller. The cell controller discharges the battery pack, on the basis of the capacity value transmitted from the battery state detection unit.
Battery system for motor vehicle with loss-free switching and automatic charge equalization
A battery system having a battery having at least one first battery element, at least one second battery element and a center tap between the at least one first and the at least one second battery element, a power changeover switch having a plurality of switching elements for changing over between the at least one first battery element and the at least one second battery element, and at least one pair of output terminals that is electrically connected to the battery, wherein the center tap has a first capacitive store arranged on it that has a store voltage that appears over an appropriate period in accordance with a first and/or second battery element voltage provided by the first and/or second battery element, wherein during the period in which the store voltage appears, a store current decreases from a maximum value to a value of zero.
Electric power supply system for vehicle
An electric power supply system for a vehicle includes a first battery, a second battery connected in parallel with the first battery, a voltage sensor configured to detect a voltage value of the second battery, a current sensor configured to detect a current value of the second battery, an electronic control unit configured to make a voltage of the alternator fluctuate according to a predetermined voltage waveform, and calculate internal resistance of the second battery using the voltage value and the current value of the second battery respectively detected by the voltage sensor and the current sensor while the electronic control unit is making the voltage of the alternator fluctuate according to the predetermined voltage waveform.
Method and apparatus for charging a battery
A method is provided comprising: detecting a connection between an electronic device and a battery charger; transmitting to the battery charger a first request for at least one of a first voltage level and a first current level; receiving from the battery charger a signal; and charging a battery of the electronic device with the signal.
Authorization in a networked electric vehicle charging system
Networked electric vehicle charging stations for charging electric vehicles are coupled with an electric vehicle charging station network server that performs authorization for charging session requests while the communication connection between the charging stations and the server are operating correctly. When the communication connection is not operating correctly, the networked electric vehicle charging stations enter into a local authorization mode to perform a local authorization process for incoming charging session requests.
Power transmitting apparatus, power receiving apparatus, control methods thereof, and program
A power transmitting apparatus that transmits power to a power receiving apparatus executes intermittent wireless transmission of power. The power transmitting apparatus operates according to one of a first power transmitting method including detecting a signal load-modulated by the power receiving apparatus using an ID in response to the transmitted power during the intermittent transmission and a second power transmitting method including transmitting the power having modulated the power according to an ID determined in advance so that the power receiving apparatus detects the ID determined in advance.
Method for avoiding signal collision in wireless power transfer
A wireless power transmitter is provided that includes a power conversion unit configured to form a wireless power signal for power transmission, and a power transmission control unit. The power transmission control unit is configured to control the power conversion unit to receive a first packet from a first wireless power receiver and a second packet from a second wireless power receiver in the same time slot, detect a collision between the first packet and the second packet, and control the power conversion unit to receive at least one of the first packet from the first wireless power receiver and the second packet from the second wireless power receiver in at least one time slot if the collision is detected at the same time slot.
Wireless power transfer—near field communication enabled communication device
Various configurations and arrangements of various communication devices are disclosed. Various integrated circuits that form these communication devices can be fabricated onto one or more semiconductor substrates, chips, and/or dies using a high voltage semiconductor process, a low voltage semiconductor process, or any combination thereof. Some of these high voltage and/or low voltage semiconductor process integrated circuits can be fabricated along with other high voltage and/or low voltage semiconductor process integrated circuits of other modules onto a single semiconductor substrate, chip, and/or die. This allows the low voltage semiconductor process integrated circuits and/or high voltage semiconductor process integrated circuits of one module to be combined with low voltage semiconductor process integrated circuits and/or high voltage semiconductor process integrated circuits of another module of the communication device.
Intra-module DC-DC converter and a PV-module comprising same
The present invention relates to an intra-module DC-DC power converter and a Photovoltaic (PV) module comprising same. The switching frequency of said intra-module DC-DC power converters may be 500 kHz. The PV module may have a controller and a plurality of switches for allowing each individual string of said PV module to be connected to one corresponding DC-DC converter, or for allowing two or more strings of said module to be connected in series and to apply the voltage of the combined string to a single DC-DC converter. The input voltage range of the DC-DC converters may be 10V to 30V, and the output voltage range may be 120V. The DC-DC converters may be connected in series or in parallel. Multiple such PV panels may be connected in a DC-grid.
Apparatus and method for controlling a microgrid
Aspects and embodiments described herein are directed to power interface devices and methods. In one aspect, a method for controlling a microgrid is provided. The microgrid includes a power interface device coupled to one or more microgrid elements comprising power sources and loads. The method includes determining, by the power interface device, a mode of operation of the microgrid, determining a power load of the one or more microgrid elements, and based on the mode of operation of the microgrid and the power load of the one or more microgrid elements, adjusting, by the power interface device, a frequency of a voltage of the power interface device to control the one or more microgrid elements.
Apparatus and method for controlling the energy usage of an appliance
A system and method for controlling an appliance with respect to the appliance's energy usage, in which a signal relating to the energy used by the appliance is received, and a determination of whether to continue or interrupt a cycle of operation being conducted by the appliance is made based at least on part upon the receipt of the signal.
Management device and power storage system
In management device (10) for managing power storage device (20) in which a plurality of power storage blocks (B1 to B3) in which a plurality of series circuits of fuses and power storage cells is connected in parallel is connected in series, equalization controller 15 performs, when a voltage difference among the power storage blocks exceeds a set voltage difference, a control for equalizing power storage blocks (B1 to B3). Fuse blowout determination unit 18 determines, based on a frequency of equalization performed by equalization controller 15, whether one of the fuses is blown.
Power converter for a solar panel
A solar array power generation system includes a solar array electrically connected to a control system. The solar array has a plurality of solar modules, each module having at least one DC/DC converter for converting the raw panel output to an optimized high voltage, low current output. In a further embodiment, each DC/DC converter requires a signal to enable power output of the solar modules.
Monitoring circuit and electronic device
A monitoring circuit includes a configuration interface, a control circuit, a detection circuit, a direct current voltage source, a switch circuit, and a first resistor. A first end of the configuration interface is separately connected to the direct current voltage source and an input end of the switch circuit; a second end of the configuration interface is separately connected to a first end of the first resistor and an output end of the switch circuit; a control end of the switch circuit is connected to the control circuit; a second end of the first resistor is grounded; the detection circuit is connected to the first end of the first resistor; the configuration interface is configured to connect to a dry contact; the control circuit controls closing or opening of the switch circuit; and the detection circuit detects a voltage between two ends of the first resistor.
Connector for an electrical device housed in a recessed box
A connector (1) adapted to connect at least one electrical conductor to an electrical accessory that is intended to be housed in an electrical box (200) for flush mounting in a wall (300), the connector including: a base (10) that defines an inlet opening for the electrical conductor; and at least one connection element that is fastened to the base and that includes an inlet terminal for connecting the electrical conductor, and an outlet terminal that is accessible via the front of the base for connecting the electrical accessory. The connector includes at least two distinct arms (14, 16) that extend from the base, towards the front, and having free ends that present catch elements (15, 17) for catching on the wall.
Electrical connector with removable spacer
An electrical connector for receipt of EMT or rigid conduit has a body with first and second body portions, the first portion having a hollow interior with an inner smooth cylindrical surface having a radius of curvature dimensioned for receipt of a rigid electrical conduit, a removable spacer having an inner smooth surface with a radius of curvature substantially corresponding to a radius of curvature of an outer surface of an EMT, the removable spacer also having an outer surface corresponding to the inner smooth cylindrical surface of the first body portion, and wherein the second body portion forms a stop adjacent the second end of the first body portion so as to contact a terminating end of a rigid conduit or EMT. The second body portion has a central bore for the passage of electrical conductors.
Protector and wire harness
A protector is equipped with a first bent portion protecting part protecting a horizontally-bent first bent part of a wire group; a second bent portion protecting part protecting a downwardly-bending second bent part; a first cover part; a second cover part; and a first locking part, the first cover part being integrally linked to the first bent portion protecting part and being closed and locked, and the second cover part being integrally formed with, and developed on the same plane as, the first cover part and being bent downwardly and closed and locked after the first cover part is closed, and the second cover part being equipped with a second locking part.
Apparatus and method of forming chip package with waveguide for light coupling having a molding layer for a laser die
An apparatus and method of forming a chip package with a waveguide for light coupling is disclosed. The method includes depositing an adhesive layer over a carrier. The method further includes depositing a laser diode (LD) die having a laser emitting area onto the adhesive layer and depositing a molding compound layer over the LD die and the adhesive layer. The method still further includes curing the molding compound layer and partially removing the molding compound layer to expose the laser emitting area. The method also includes depositing a ridge waveguide structure adjacent to the laser emitting area and depositing an upper cladding layer over the ridge waveguide structure.
An optical module includes: a wiring substrate that has a wiring pattern including a connecting portion and is arranged on an optical subassembly so as to be electrically connected thereto; and a flexible insulating layer formed between the optical subassembly and the wiring substrate. The optical subassembly includes: a conductive stem that has a surface opposed to the wiring substrate, the conductive stem being shaped so that the surface has a through hole opened therein and being connected to a reference potential; and a signal lead for transmitting a signal, the signal lead passing through the through hole while being electrically insulated from the conductive stem. The signal lead passes through the flexible insulating layer to be joined to the connecting portion. The flexible insulating layer is in contact with the connecting portion, the signal lead, and the surface of the conductive stem.
VCSELs and VCSEL arrays designed for improved performance as illumination sources and sensors
A VCSEL package including a VCSEL, a housing, containing the VCSEL, and a diffuser operably attached to the housing and configured to receive an emitted beam of light from the VCSEL and produce a beam of predetermined angular divergence. The housing may be a PLLC package, a ceramic package, or a TO-style package. The diffuser could be a substantially planar diffuser sheet, which in some cases may be comprised of glass or plastic. In some embodiments, the diffuser could be a diffractive optical element or holographic light shaping diffuser. In some embodiments, the diffuser can be designed to produce a beam with an illumination full angle of up to about 90 degrees.
Gain control for arbitrary triggering of short pulse lasers
A device may include a transient optical amplifier having stored energy associated with a lower boundary and an upper boundary of a dynamic equilibrium, and a target level defining stored energy for amplifying a high energy input pulse to a higher energy output pulse. The device may include a pump to increase the amplifier's stored energy, and a source to pass low energy control pulses or the high energy input pulse to the amplifier. The device may include a controller configured to maintain the amplifier's stored energy in the dynamic equilibrium by requesting low energy control pulses for the amplifier at a high repetition frequency. The controller may wait to receive a trigger. Based on receiving the trigger, the device may stop passing low energy control pulses to the amplifier, and may pass the high energy input pulse to the amplifier when the amplifier's stored energy reaches the target level.
Optical device and excimer laser annealing equipment
The embodiments of the present disclosure provide an optical device and an excimer laser annealing equipment. The optical device includes: a light source; a transparent window spaced apart from the light source by a distance; and an optical system disposed between the light source and the transparent window. The transparent window is configured such that emergent light of the light source is vertically incident onto the transparent window after passing through the optical system.
Monitoring method and apparatus for surgical laser fibers
A method and apparatus for detecting excess absorption of therapeutic radiation at a bend in a fiber, and the possibility of imminent fiber failure, by monitoring stimulated radiation emission by phosphors in a coating of the fiber, the stimulated emission being caused by leakage of an aiming beam through the cladding into the coating. To accomplish the detection, a conventional monitoring method and equipment are modified to detect the absence of, or an interruption in, the stimulated emission, which is caused by separation of the coating from the cladding in the area of the bend as a result of the excess absorption.
Wearable sensor system with an article of clothing and an electronics module, article of clothing for a wearable sensor system, and electronics module for a wearable sensor system
A wearable sensor system has an article of clothing and an electronics module. The electronics module includes a housing, a circuit board, and a contact element. The article of clothing includes a glove, an operational element, and a holder for attaching the electronics module having a receiving space and a mating contact. The guide being configured such that the contact element performs one of a linear movement and a pivoting movement toward the bottom when moving to the final position with respect to the mating contact. Further, an article of clothing and an electronics module for the wearable sensor system are shown.
Hinged low profile modular electrical power bar for a vehicle
Systems and apparatus are disclosed for a hinged low profile modular electrical power bar of a vehicle. An example disclosed vehicle power bar includes a connector including first and second sockets. The vehicle power bar also includes first and second pins. Additionally, the vehicle power bar includes a first busbar rotatably coupled to the connector via the first pin coupled to a first terminal of the first busbar and inserted into the first socket, and a second busbar rotatably coupled to the connector via the second pin coupled to a second terminal of the second busbar and inserted into the second socket.
Electrical connector having a base with an inverted T-shaped channel
Electrical connectors are described. More particularly, electrical connectors including a plurality of contacts are described. Both connector plugs and sockets are described. Electrical connectors that are suitable for mounting on a printed circuit board and electrical connectors that include a printed circuit board are described.
In a communication cable having a multi-core cable with a plurality of core cables in which a pair of signal lines are covered with an insulator, in which the insulator is covered with a shield tape, and in which the shield tape is covered with a wrapping tape, and having a connector formed on an end portion of the multi-core cable, the communication cable further has a substrate to which each core cable is connected; a first joint portion at which the signal line and the substrate are solder-joined to each other; a second joint portion at which the shield tape and the substrate are solder-joined to each other; and a resin portion which molds a connection portion between the core cable and the substrate, and the connection portion excluding the first joint portion and the second joint portion is molded by the resin portion.
Embedded platform in electrical cables
A platform embedded in an electrical cable that stores and transmits data or information related to the electrical cable is designed. The embedded platform includes a non-volatile memory element to store product data describing at least one of electrical characteristics and certifications of the electrical cable. The platform also includes a current detector to detect a current that flows in the electrical cable based on a magnetic field generated by the current. The platform further includes a communication circuit to transmit at least one of the stored product data and information related to the detection of the current to a remote device.
Electrical connector assembly
An electrical connector assembly includes: a circuit board; a connector, located in front of the circuit board and electrically connected to the circuit board; a chip, provided on the circuit board, and electrically connected to the circuit board; a metal shell, covering the connector and the circuit board; and an inner film, made of a high heat conductive material, and wrapping the chip and the circuit board. At least a part of the inner film is located between the metal shell and the circuit board. When the chip generates a great amount of heat, the inner film, serving as a medium, can absorb the heat rapidly and conduct the heat to the metal shell so as to dissipate the heat outside.
Electrical connector having common grounding
An electrical connector includes an insulative housing defining a front cavity for receiving a plug and a rear cavity, a terminal assembly assembled in the rear cavity, and a ground member. The terminal assembly includes an upper terminal module, a lower terminal module, and a shielding module sandwiched therebetween. The upper terminal module includes a pair of upper ground terminals. The lower terminal module includes a pair of lower ground terminals. The shielding module includes a metallic shielding plate. The ground member is associated with the shielding module to mechanically and electrically connect at least one of the upper ground terminals and the lower ground terminals with the shielding plate.
RJ-45 plug for high frequency applications
A communications plug, for high frequency applications, includes a housing, a plurality of contact conductor blades and insulation displacement contacts. A printed circuit board has a plurality of transmission paths connecting corresponding blades and insulation displacement contacts. The plug has a major coupling including coupling between the blades. The PCB further includes a compensation coupling arrangement that provides a smaller coupling as compared to the major coupling. The compensation coupling is no more than one half of the major coupling and has a different polarity from that of the major coupling. The compensation coupling is connected to a set of transmission paths at a location between the major coupling and the insulation displacement contacts.
Electrical plug and socket securement system
An electrical plug fastener or retention mechanism comprising a system of binding or securing electrical plugs or other connectors to avoid unintentional or accidental disconnection. The retention mechanism comprises a base for connecting to a first cord and a clamp for connecting to a second cord. The clamp and base may be connected via at least one extension bar. The base may be two separate halves with means for connecting to one of the power cords and the clamp may comprise a fixed half and a moveable half enabled to lock to the fixed half.
Electrical connector assembly and electrical connector assembly pair
A plug connector includes a locking member of the plug having extension bases fixed to a second plug housing and cantilever extensions extending from the respective extension bases in the direction of a plugging operation. The cantilever extensions each have an engaged hole to receive corresponding one of protrusions protruded from a receptacle housing. The cantilever extensions are each resilient enough to bend in the protruding direction of the corresponding protrusion. A releasing member allows the protrusions to relatively move in the directions of plugging and unplugging operations. When the releasing member is slid relative to the second plug housing, the releasing member bends the cantilever extensions in the protruding directions of the respective protrusions and thereby release engagement of the protrusions with the engaged holes.
Electrical connection device
An electrical connection device includes: a first insulating body; a first conductor is accommodated in the first insulating body, a foremost end of a lower surface of the first conductor is provided with a lower edge, and a contact area extends backward from the lower edge; a second mating element including a second conductor located below the first conductor and provided with a front edge and a rear edge and a top surface connected to the front edge and the rear edge; an elastic body located above the first conductor; and a pressing member presses the elastic body and provides a downward acting force such that the first conductor downward abuts the second conductor, the contact area is fully attached to the top surface, the lower edge is located between the front edge and the rear edge and abuts the top surface, and the rear edge abuts the contact area.
Provided is a connector unit which can prevent damage to respective parts during rotation of a lever member. A fitting portion of a female outer housing fits with a to-be-fitted portion of a male outer housing, wherein timing of the fitting is after timing of insertion of a guide projection into a guide groove and timing of releasing of a restriction arm by a release projection. Fitting of the fitting portion with the to-be-fitted portion allows an operator to feel a change in force required for operation during moving the male outer housing and the female outer housing toward each other. By rotating the lever member after the operator felt the change in the force, damage to the guide projection and the restriction arm and such can be prevented.
A lever-type connector (10) includes a lever (40) provided with a cam groove (41), a first housing (30) having the lever (40) movably mounted thereon, and a second housing (60) provided to be connectable to the first housing (30). The second housing (60) includes a lever shaft (64) movable along the cam groove (41) according to a movement of the lever (40), a lever fitting portion (72) to which a peripheral edge part of the lever (40) is fit, and a bracket mounting portion (66) disposed behind an entrance space (71) for the lever (40) and provided with a locking claw (67). The locking claw (67) is disposed between the lever shaft (64) and the lever fitting portion (72) when the second housing (60) is viewed from a connecting direction.
Power supply system
A system for providing power to a cordless appliance is provided. The system includes a coupler, and a complementary coupler on the appliance is also present. The coupler has symmetrically configured concentric power terminals, which are connected to a main power source in use, and a magnetic coupling region disposed concentrically around an outer periphery of the power terminals. The complementary coupler has complementary power terminals configured to engage with the symmetrically configured concentric power terminals of the coupler, and an engaging region disposed concentrically around an outer periphery of the complementary terminals. A magnetic force provides a mutual attraction between the magnetic coupling region and the engaging region, thereby engaging the power terminals and complementary power terminals and establishing an electrical connection between the coupler and the appliance.
Electrical device assembly and electrical connector therewith
An electrical device assembly includes a first connector assembly coupled with a second connector assembly via a sliding arrangement. The first connector assembly includes a first terminal module and a first coupling device. The first terminal module includes a first mating face and the first contacts exposed thereon. The first coupling device includes the sliding rail forming a sliding slot with an insertion opening including a sliding opening so as to expose the sliding slot to an exterior.
Connector position assurance member
A connector position assurance device having a base portion and a pair of resiliently deformable beams. Cam engaging members extend from side walls of the pair of resiliently deformable beams. A first lockout projection engagement member is provided proximate the beam front ends of the pair of resiliently deformable beams and extends between the first beam and the second beam. A second lockout projection engagement member is spaced from the base front end and spaced from the first lockout projection engagement member. The second lockout projection engagement member extends between the first beam and the second beam. A lockout projection receiving opening is formed by the first lockout projection engagement member, the second lockout projection engagement member, and portions of the pair of resiliently deformable beams.
It is aimed to provide a connector capable of preventing the breakage of side walls (18). A housing (10) includes a mounting hole (17) into which a retainer (60) is mounted, and side walls (18) for closing the mounting hole (17) from opposite sides. The side wall (18) is provided with lock receiving portions (22). Lock protrusions (68) configured to slide while deflecting the side walls (18) in the process of inserting the retainer (60) into the mounting hole (17) and release the side walls (18) from a deflected state and enter the lock receiving portions (22) when reaching positions corresponding to the lock receiving portions (22) are provided on outer surfaces of the retainer (60). Both end corner parts of the lock protrusion (68) in a sliding width direction (Y) perpendicular to a sliding direction on the side wall (18) are chamfered.
Contact lamella part and plug connector with contact lamella part
A contact lamella part for transmitting an electrical current or signal between a first contact element, such as a contact socket, and a second contact element which can be coupled thereto, such as a contact pin, having a plurality of contact lamellae extending substantially parallel to one another in a longitudinal direction (L), each having a contact zone for contacting the first contact element and/or the second contact element, wherein the contact zone of a first contact lamella is arranged offset in the longitudinal direction (L) in relation to the contact zone of a second contact lamella.
Contact structure for high reliability electrical connector
This application relates to electrical connectors. An electrical connector, according to some embodiments, comprises a housing, a slot formed in the housing, the slot comprising an entrance, and first and second rows of conductive elements arranged in the housing. Each conductive element comprises a mounting end, a mating end opposite the mounting end, and an intermediate portion that extends between the mounting end and the mating end. The mating end comprises first and second contact portions projecting into the slot, and the first contact portion is closer to the entrance than the second contact portion. The first and second contact portions are capable of flexing along a width direction of the slot between a first position and a second position, the second contact portions form a receiving space between the first and second rows of conductive element, and the receiving space is smaller at the first position than the second position.
Electrical connector with adjustable insertion height and orientations
An electrical connector with adjustable insertion height and orientations includes a first circuit board, an insulating base with a plurality of conduction terminals electrically connected to the first circuit board, a USB type-C connector been set on the insulating base having an opening and twenty-four connection terminals, and a second circuit board with twenty-four connection terminals and a plurality of transferring terminals for electrically connecting to the USB type-C connector and the insulating base, wherein the height of the insulating base with respective to the first circuit board can be adjusted. The height of the USB type-C connector with respective to the first circuit board therefore can be adjusted. The relative orientation between the opening of the mentioned USB type-C and the normal of the first circuit board plane also can be adjusted through re-arranging the configuration of the plurality of conduction terminals on the insulating base.
Electrical connector having an improved power terminal
An electrical connector includes: an insulative housing defining a mating cavity upwardly communicating with an exterior through a top mating face thereof along an up-to-down direction, the mating cavity including a pair of side walls facing each other in a lengthwise direction perpendicular to the up-to-down direction; and a pair of flat power terminals retained in the two side walls of the mating cavity, respectively; wherein each flat power terminal includes a pair of elastic arms extending on two opposite sides thereof in the up-to-down direction, the pair of elastic arms of each flat power terminal are staggered in a transverse direction perpendicular to the up-to-down direction and the lengthwise direction.
Split connector with circular dove tail
An electrical connector is disclosed. The electrical connector has a first body and a second body. The second body is mechanically coupled to the first body in a coupling state and enters the coupling state through a lateral side of the first body.
Binding screw for a wire connection assembly and wire connection assembly
A binding screw for a wire connection assembly comprises a driving section, a threaded section, and a contact section. The contact section has a tapered penetration portion establishing electrical contact with a stranded wire. A length of the penetration portion is at least three-quarters of a diameter of the binding screw in the threaded section.
Multi-mode composite antenna
A multi-mode composite antenna includes two crossed dipole elements each consisting of a bow-tie antenna having two bow-tie antenna segments, and a conductive tube which houses signal transmission lines connected to each bow-tie antenna segment. A conductive flared portion surrounds the conductive tube and forms a monopole element. The bow-tie antenna segments are shaped so that slots extend between each adjacent bow-tie antenna, each slot forming a tapered slot antenna that has a pair of non-linear curved edges that diverge from each other.
Antenna device and electronic device
An antenna device includes a power supply coil coupled to a first power supply circuit operating in a first frequency band, a first conductive member including a first main surface, a second conductive member including a second main surface, a third conductive member, and first connections. The second main surface of the second conductive member is disposed with at least a portion thereof opposing the first main surface. The third conductive member has an area that is smaller than an area of the first conductive member when viewed in a direction perpendicular or substantially perpendicular to the first main surface. The first conductive member, the third conductive member, and the first connections define a loop of a magnetic field antenna in the first frequency band. The power supply coil is closer to the third conductive member than to the first conductive member when viewed in the Z-direction.
High-efficiency broadband antenna
Techniques for tuning a crossed-field antenna are provided. An example of an antenna system includes a D-plate with a D-plate feed conductor, such that the D-plate is a horizontal conductor raised above and insulated from a ground plane, an E-cylinder with an E-cylinder feed conductor, such that the E-cylinder is a vertical hollow conductive cylinder of smaller diameter than the D-plate, which is mounted concentrically above and insulated from the D-plate, a transmitter tuning circuit configured to receive a signal from a transmitter, an E-cylinder tuning circuit operably coupled to the transmitter tuning circuit and the E-cylinder feed conductor, and a D-plate tuning circuit operably coupled to the transmitter tuning circuit and the D-plate feed conductor.
An antenna includes antenna coil having a magnetic-material core and a coil conductor. The antenna coil is arranged toward a side of a planar conductor, such as a circuit board. Of the coil conductor, a first conductor part close to a first main face of the magnetic-material core and a second conductor part close to a second main face of the magnetic-material core are provided such that the first conductor part is not over the second conductor part in view from a line in a direction normal to the first main face or the second main face of the magnetic-material core. In addition, a coil axis of the coil conductor is orthogonal to the side of the planar conductor.
Time delay device and phased array antenna
The present invention provides a time delay device which allows changing, in accordance with a frequency of a local signal, a delay in a radio frequency signal supplied to an antenna element and also allows reducing a degree of dependency of the delay on a radio frequency in a band which is used. Each of (i) dispersion caused by a first dispersion imparting filter which gives a delay to a first local signal and (ii) dispersion caused by a second dispersion imparting filter which gives a delay to an intermediate frequency signal generated from the first local signal and the radio frequency signal is set to have a positive or negative sign which is opposite to the sign of the other.
Apparatus and methods for reducing mutual couplings in an antenna array
A device is presented for improving radio frequency (RF) and microwave array antenna performance. The device sits in the near field, the reactive region, of the antenna array with a pattern of electrically isolated rectangular, cross-shaped, ell, and/or similarly-shaped patches of flat metal or other conductor in a flat plane. The patches are segmented into smaller shapes no greater than 0.3 of a shortest wavelength of the nominal operating range of the antenna and/or the height of the plane is greater than 0.25 and/or less than 0.4 of the center frequency's wavelength. Mutual coupling S-parameters between neighboring elements are either simulated or measured, and the patch sizes or height are designed such that |S21Refl| is in a range of |S21Array|±20% of |S21Array|; and Phase(S21Refl) is in a range of Phase(S21Array)+180±30 degrees, where S21Array is an S-parameter between antenna two neighboring antenna elements measured or simulated without the device, where S21ADS is the same with the device, and S21Refl=S21ADS−S21Array.
Electromagnetic-wave transmitting cover
To provide an electromagnetic-wave transmitting cover which can achieve range extension and angle widening of a sensing radar and is excellent in design property. An electromagnetic-wave transmitting cover of the invention includes a base material made of an electromagnetic-wave-transmissive material, a light-transmitting base material formed on a surface of the base material and made of a light-transmissive material, and a design layer disposed between the base material and the light-transmitting base material, the electromagnetic-wave transmitting cover transmitting an electromagnetic wave, the electromagnetic-wave transmitting cover has an electromagnetic-wave transmitting area which transmits the electromagnetic wave, the base material and the light-transmitting base material in the electromagnetic-wave transmitting area has an interval of 0.12 mm or less, an adhesive layer is formed on an entire surface between the base materials, and a deviation in angle when the electromagnetic wave is transmitted is 0.3° or less.
Enclosure for electronic equipment on pole
A system for concealing electronic equipment on a utility pole, the utility pole having an arm supporting at least one lamp. The system includes a mounting bracket, to be positioned on the utility pole; at least one equipment mounting plate, attachable to the mounting bracket. Each at least one equipment mounting plate is constructed and adapted to support a corresponding piece of communication equipment attached thereto; a concealment shroud having at least one slot and attachable to the mounting bracket; a bottom portion, attachable to the mounting bracket. A top part of the bottom portion has substantially the same shape as a bottom part of the concealment shroud. A cap is attachable to the mounting bracket. A bottom part of the cap has substantially the same shape as a top part of the concealment shroud.
Low-cost ultra wideband LTE antenna
An antenna system capable of operating among all LTE bands, and also capable of operation among all remote side cellular applications, such as GSM, AMPS, GPRS, CDMA, WCDMA, UMTS, and HSPA among others. The antenna provides a low cost alternative to active-tunable antennas suggested in the prior art for the same multi-platform objective.
System and apparatus for driving antenna
A multiple-antenna positioning system with a single drive element, providing reduced weight and complexity over systems that have a drive element for each antenna. In certain examples, each antenna can be coupled with a rotating spindle, with each antenna spindle being coupled with a pair of link arms. By driving a single drive spindle, each of the antenna spindles in the system can be rotated by the associated pair of link arms. The link arms can have an adjustable length, such as through a turnbuckle mechanism, to reduce backlash in the system, and in some examples can apply a preload to the system. By reducing backlash, the multiple antenna positioning system can have improved responsiveness to a rotation of the single drive element, as well as improved stability of the positioning of each antenna when the drive element is held in a fixed position.
Ultra-wideband (UWB) antenna
A small-sized ultra-wideband (UWB) antenna includes a radiating unit configured to have a contour of a first shape, a ground unit configured to have a contour of a shape substantially equal to the first shape, and disposed parallel to the radiating unit, at least one shorting pin connected orthogonal to the ground unit and the radiating unit to connect a first area of the ground unit and a first area of the radiating unit, and a feeding unit connected orthogonal to the ground unit and the radiating unit to connect a second area of the ground unit and a second area of the radiating unit.
Directional coupler and diplexer
In a directional coupler, a rectangular waveguide includes a second narrow wall and has a width varying part resulting from the second narrow wall protruding toward a first narrow wall, the width varying part including at least a portion of an opening, the protruding part protruding by a protrusion amount larger at the center of the width varying part than at both ends thereof.
Method for recovering lead oxide from waste lead paste
A method for recovering lead oxide from a pre-desalted lead paste, comprising the following steps: a. dissolving the pre-desalted lead plaster by using a complexing agent solution, and making all of PbO therein react with the complexing agent to generate lead complexing ions, obtaining a lead-containing solution and a filter residue; b. adding a precipitant to the lead-containing solution, and then the precipitant reacting with the lead complexing ions to generate a lead salt precipitate and the regenerated complexing agent; c. calcining the lead salt precipitate to obtain lead oxide and regenerate the precipitant. The final recovery rate of lead oxide of the method can reach 99% or more.
Method and system for dynamically adjusting battery undervoltage protection
The present invention provides a method for dynamically adjusting battery undervoltage protection, including: real time acquiring a current operation environment temperature value of a battery; real time selecting a preset undervoltage protection voltage and a preset undervoltage protection delay time according to the temperature value; real time determining whether an output voltage of the battery is less than the undervoltage protection voltage; if yes, then: determining whether a time interval when the output voltage of the battery is less than the undervoltage protection voltage satisfies the undervoltage protection delay time, if yes, then: enabling the battery undervoltage protection. The present invention is capable of performing a flexible battery undervoltage protection according to a current operation environment temperature of the battery. The present invention also provides a system for dynamically adjusting battery undervoltage protection.
High voltage solid electrolyte compositions
An electrochemical cell having an anode, a solid electrolyte, and a cathode. The solid electrolyte includes a polymer gel formed from an ethylene oxide polymer combined with a liquid precursor. The liquid precursor contains at least 15 molar percent of a lithium salt in a solvent.
Polymer electrolyte, lithium secondary battery using same, and method for manufacturing lithium secondary battery
Provided are a polymer electrolyte, a lithium secondary battery using the same, and a manufacturing method thereof, in which a gel polymer electrolyte is formed from a monomer for forming a gel polymer by a rapid polymerization reaction, when using a porous nanofiber web as an electrolyte matrix, and injecting an organic electrolytic solution formed by mixing the gel polymer forming monomer and a polymerization initiator, to induce an addition polymerization reaction, but the porous nanofiber web maintains a web-like shape. The polymer electrolyte includes: a separator made of a porous nanofiber web having a plurality of nanofibers; and a gel polymer portion impregnated in the porous nanofiber web. the gel polymer portion is formed by impregnating an electrolytic solution containing a non-aqueous organic solvent, a lithium salt solute, a gel polymer forming monomer, and a polymerization initiator in the porous nanofiber web and polymerizing the gel polymer forming monomer.
Solid electrolyte battery, electrode assembly, composite solid electrolyte, and method for producing solid electrolyte battery
A lithium secondary battery (solid electrolyte battery) includes a positive electrode which includes a positive electrode active material layer containing lithium oxide, a negative electrode which includes a negative electrode active material layer, a first solid electrolyte layer which is provided in contact with the positive electrode active material layer between the positive electrode and the negative electrode and contains lithium and oxygen, and a second solid electrolyte layer which is provided in contact with the negative electrode active material layer between the positive electrode and the negative electrode and contains lithium, nitrogen, and oxygen. It is preferred that each of the first solid electrolyte layer and the second solid electrolyte layer further contains boron.
Method for manufacturing electrode assembly
Provided is an electrode assembly manufacturing method including a radical unit manufacturing stage in which a radical unit having a four-layer structure is manufactured by sequentially stacking a first electrode, a first separator, a second electrode, and a second separator, and a radical unit stacking stage in which the radical unit as a unit is repeatedly stacked to manufacture an electrode assembly, and whenever a predetermined number of radical units are stacked, the radical units are adhered to each other by heating and pressing an outermost one of the radical units.
Battery cell of vertically stacked structure
A battery cell is configured to have a structure in which an electrode stack is configured to have a structure in which positive electrodes and negative electrodes are stacked in a height direction. Separators are disposed respectively between the positive electrodes and the negative electrodes, and when mounted in a battery case in a sealed state. The electrode stack is configured to have a structure in which a length in a height direction, which is a stacked direction of the electrode stack, on the basis of the ground is greater than that in a width direction perpendicular to the height direction, and the battery case is formed in the shape of a pipe corresponding to an outside of the electrode stack.
Fuel cell system and control method of fuel cell system
A fuel cell system includes: a fuel cell outputting a current; a supply unit supplying oxidant gas; a flow-amount measurement unit measuring a flow amount of the oxidant gas; and a controller that feed-back controls the supply unit such that a measured flow-amount value converges toward a target flow-amount value, wherein the controller determines an acceptable current value in accordance with the measured flow-amount value, restricts the current to the acceptable current value or less, controls the current in accordance with a requested current value of the fuel cell; and performs a changing-suppression processing, when a condition continues for a predetermined period, the condition including that a changing width of the requested current value is equal to or less than a first value and a difference between the requested current value and the acceptable current value is equal to or less than a second value.
Warming feature for aircraft fuel cells
A system and method for warming a fuel cell on an aircraft, the system includes at least one fuel cell. The fuel cell includes an anode and a cathode for creating thermal and electrical energy. A temperature sensor measures a first temperature of the fuel cell. A control unit is coupled to the temperature sensor. The control unit increases the first temperature to a second temperature in response to the first temperature being at least equal to a selected temperature threshold. Increasing of the first temperature is indicative of the control unit operating in a warming mode. The second temperature is higher than the selected temperature threshold.
Tear-activated micro-battery for use on smart contact lenses
A body-mountable device includes an electrochemical battery configured to provide power when exposed to an aqueous fluid. The aqueous fluid could be blood, sweat, tears, or some other bodily fluid. The electrochemical battery includes an anode that includes zinc metal and is configured to provide an electrical potential relative to a cathode when the anode and cathode are exposed to oxygen and an aqueous fluid. The electrochemical battery could provide power to electronics configured to measure a physiological parameter at a plurality of points in time, to record such measured parameters, to transmit such measured parameters to an external system, or to perform some other functions. Components of the body-mountable device could be embedded in a polymeric material configured for mounting to a surface of an eye. Components of the body-mountable device could be disposed on a flexible substrate configured for mounting to a skin surface.
Method for manufacturing a composite
A method for manufacturing a composite is disclosed. The method includes steps of (a) providing a powder in a first weight ratio, a graphene oxide in a second weight ratio, a first modifying agent having a negative electric charge, and a second modifying agent having a positive electric charge; (b) reacting the first modifying agent with the powder so that a surface of the powder has the negative electric charge; (c) reacting the second modifying agent with the graphene oxide so that a surface of the graphene oxide has the positive electric charge; and (d) mixing the powder having the negative electric charge and the graphene oxide having the positive electric charge to form a composite.