Multifunction coolant manifold structures
A cooling system is provided which includes, for instance, a coolant supply manifold, a multifunction coolant manifold structure, and multiple cooling structures. The multifunction coolant manifold structure includes a coolant-commoning manifold and an auxiliary coolant reservoir above and in fluid communication with the coolant-commoning manifold. The multiple cooling structures are coupled in parallel fluid communication between the coolant supply and coolant-commoning manifolds to receive coolant from the supply, and exhaust coolant to the coolant-commoning manifold. The coolant-commoning manifold is sized to slow therein a flow rate of coolant exhausting from the multiple cooling structures to allow gas within the exhausting coolant to escape the coolant within the coolant-commoning manifold. The escaping gas rises to the auxiliary coolant reservoir and is replaced within the coolant-commoning manifold by coolant from the auxiliary coolant reservoir.
System and method of providing computer resources
A data center system can include a mobile support structure; one or more enclosures for removable electronic equipment where the enclosures are housed by the support structure; a cooling system in fluid communication with the enclosures for cooling of the electronic equipment where the cooling system is housed by the support structure; and a power system operably connected to the electronic equipment and the cooling system for supplying power thereto where the power system comprises a generator housed by the support system. Other embodiments are disclosed.
Apparatuses and methods for cooling high density arrays of non-volatile memory mass storage devices
One feature pertains to cooling of a high density array of non-volatile memory mass storage devices within a computer enclosure. A coolant is moved through the enclosure through two separate air paths, each serving approximately half of the mass storage devices. The two air paths are interleaved in a central duct ported to a frontal and a rear plenum. The central duct contains two groups of fans with a flow axis perpendicular to the plane of the server enclosure but with opposite flow direction with the two groups vertically offset relative to each other. The two paths are separated from each other through dividers. Both paths intake coolant from the cold isle and exhaust the coolant to the hot isle. The non-volatile memory mass storage devices include electromechanical and solid state devices.
Datacenter aisle containment structure
An air containment system for a datacenter. The air containment system includes horizontally slidable vertical rails that engage the rear rails to two adjacent server racks. The vertical rails can include a front face that is compressible to provide an airtight connection with the server racks. Filler plates attach to adjacent vertical rails and fill the space between a top of the server rack and the top of the rails.
Cooling systems for devices arranged in rows
Cooling systems for devices arranged in rows are disclosed. An example cooling system includes an inflatable air duct to be positioned above a cold aisle defined between two rows of electronic equipment. The inflatable air duct is to be air permeable to deliver conditioned air into the cold aisle. The electronic equipment has fans to force cool air within the cold aisle through the electronic equipment to adjacent hot aisles on opposite sides of the two rows of the electronic equipment. The inflatable air duct to be spaced apart from the rows of computers such that the cold aisle is in unobstructed fluid communication with the adjacent hot aisles over top of the rows of electronic equipment. The conditioned air delivered from the inflatable air duct to substantially prevent a mixing of warm air in the hot aisles with the cool air in the cold aisle.
Split coil cooler for an electronic rack
A cooling system for cooling air in a rack mounted equipment such as computer systems. The cooling system includes a split and staggered cooling system where the cooling is carried out by two different parallel coolers. One of the coolers is pressed against the walls of the cooling duct, but allows some amount of the air to pass around the cooler. The output of that first cooler is also constricted to a similar amount as the air output that passes around the first cooler. The second cooler is downstream of the first cooler, and receives all the air that passes around the first cooler and provides cooling to that air. In this way, two different split coolers can be used to cool the air stream.
Electronic apparatus with thermally-conductive stand
The invention relates to electronic equipment including the following steps: a box including a thermally-conductive chassis; a thermally-conductive stand in contact with the chassis and including a plastics covering that covers it at least in part; and electronic components inside the box including a hottest electronic component that is the greatest source of heat inside the box and/or that presents the highest temperature from among the electronic components, the hottest electronic component being arranged in contact with the thermally-conductive chassis.
Cooling device for electronic components using liquid coolant
There is provided a device for cooling a component, including a support configured to receive a component to be cooled, the support including a fluid network configured for liquid circulation therein, the network including a first cavity, a second cavity, and a first channel connecting the first cavity to the second cavity, a first deformable membrane and a second deformable membrane configured to form a mobile wall of the first cavity and a mobile wall of the second cavity respectively, the device further including an actuating device configured to actuate the first membrane and the second membrane, and a thermal conducting element close to the channel or in contact with the channel.
Water cooling heat dissipation structure
A water cooling heat dissipation structure includes a first and a second plate, a water cooling heat dissipation body, which is composed of a plurality of stacked heat dissipation members. The first plate, the heat dissipation members, and the second plate are in sequence stacked up into one and another to integrally form the water cooling heat dissipation structure by heat treatment. The water cooling heat dissipation body has a top side attached to one side of the first plate and a bottom side thereof attached to the second plate, so as to secure two sides of a flow passage of the water cooling heat dissipation body. A first and a second connecting portion is respectively provided on two sides of the first plate or the water cooling heat dissipation body, and the first and the second connecting portion is communicable with the flow passage.
Lightweight electronics rack
A lightweight plastic housing with metal rack rails attached within to support industry-standard electronics modules. The plastic is preferably corrugated plastic folded from a single cut sheet and secured with adhesive. The sheet is folded to make an enclosure having a rectangular cross section, and a fifth short panel overlaps a first panel. Box closures, possibly auto-locking box closures, form the top and bottom of the housing. Metal rack rails and supports for the rack rails are installed through a front opening of the housing and are attached to and supported by the plastic housing. Supports include lengths of asymmetric channel stock extending between the top and the bottom of the housing at four corners to maintain the rack rails spaced apart from the sides of the housing. Upper and lower cross supports extend between front and rear supports.
14G portfolio bezel lock and latching mechanism
A bezel lock system includes a bezel, convert bracket (CB), and lock. The bezel attaches to a chassis panel. The CB slideably secures a latching bracket (LB) of the bezel to a chassis, when in a locked position. The CB slides a length of a release gap along a transverse path from the locked position to a released position. The lock restricts removal of the bezel from the chassis when the lock is engaged in a locked orientation (LO). The lock includes a cam bracket (CamB) that rotates between locked and unlocked orientations. In the LO, the CamB constrains the CB from moving inward on the path by abutting the CB; CB is confined between the LB and CamB. In the unlocked orientation, the CamB is disposed out of the CB's path, allowing the CB to retract inward to the release position, which allows the bezel to detach from the panel.
Printed circuit board housing including guiding ribs
A cover of a housing for an electronic control unit (ECU) includes a planar end portion, sidewall portions that surround a periphery of the end portion, and guide ribs that protrude inward from a base-facing surface of the end portion. Each rib includes a free edge that is spaced apart from the base-facing surface of the end portion and extends between the rib first end and the rib second end. The free edge height varies between the rib first and second ends such that the free edge follows a curvilinear path between the rib first and second ends. The free edge is configured so that, during insertion of a printed circuit board (PCB) of the ECU into the housing, the angular orientation of the PCB relative to housing changes as the PCB slides along the free edge whereby interference between the PCB and the housing during insertion is avoided.
Smart USB modules and method of making
A system and method for data storage are disclosed. In a first aspect, the system comprises a printed circuit board, a central processing unit (CPU) coupled to the printed circuit board, an USB connector coupled to the CPU, and an USB receptacle connector coupled to the CPU. In a second aspect, the system is a smart USB device that includes a smart USB module and a USB drive coupled to the smart USB module.
Tamper-respondent assembly with vent structure
Tamper-respondent assemblies, electronic packages and fabrication methods are provided which incorporate a vent structure. The tamper-respondent assembly includes an electronic enclosure to enclose, at least in part, an electronic component(s) to be protected. The electronic enclosure includes an inner surface, and an air vent. A tamper-respondent electronic circuit structure is provided which includes a tamper-respondent sensor disposed to cover, at least part, the inner surface of the electronic enclosure, and define, at least in part, a secure volume about the electronic component(s). The vent structure includes at least one air passage coupling in fluid communication the secure volume and the air vent of the electronic enclosure to allow air pressure within the secure volume to equalize with air pressure external to the tamper-respondent assembly.
Medical implant as well as method for the production thereof
Disclosed are a housing for a medical implant, a medical implant for a human or animal organism, a method for manufacturing a medical implant, and a system comprising a medical implant and a transceiver unit that can be coupled to the medical implant.
Electronic apparatus unit
A second seal material is coated on an annular seal surface constituted by a partition wall of a connector housing and a three-sided outer peripheral surface of a cover, and is joined with an annular base outer peripheral surface on the base, and the cover and the base are integrated with fastening screws at the four corners, and hold the three sides of a circuit board therebetween. Fastening surfaces of the base are embossed with a first depth so that bending strength is reinforced whereby a stable seal gap is generated, and corner outer walls and a connection outer wall are disposed at four corners and one side of the cover, so as to generate a retention gap to prevent outflow of the second seal material.
Easy assembly control panel
An easy assembly control panel and method is disclosed. In one example, an enclosure is provided having a pilot device coupled to the enclosure. A pre-assembled control panel is inserted into the enclosure, quick coupling the control panel to the pilot device and providing control communication between the pilot device and the control panel. No additional manual wiring or manual mechanical coupling is needed to couple the user interface device to the control panel. The control panel can be used as part of a system, such as a submersible pump system.
A bridge section 12 is disposed in an area where mounting sections 11 are opposed to each other such that it is displaced toward a predetermined side. Accordingly, even if the line width of the bridge section 12 is formed larger than that in the related art, the self-alignment phenomenon can occur appropriately in a reflow process. It is thus possible to provide a resin-sealed module having high resin-charging properties and including a circuit substrate on which the bridge section 12 is not broken even if the size of a common land electrode 10 is reduced in accordance with a smaller size of a circuit component 5 and on which a sufficient gap between plural circuit components 5 mounted on the circuit substrate is reliably secured.
Printed circuit board and a method for producing a printed circuit board
The disclosure relates to a printed circuit board for an electronic component. The printed circuit board includes: an electrically insulating substrate; a number of electrically conductive conductor tracks; and at least one sensor dome having a sensor head and having a carrier body for accommodating the sensor head. The carrier body is formed integrally with the substrate. The disclosure also relates to a method for producing the printed circuit board.
Control circuit board and robot control device
A control circuit board includes first and second elements on each surface of a board member. The first and the second elements respectively have first and third edge portions, which are opposite to each other and second and fourth edge portions which are opposite to each other. A plurality of signal input pins are provided to the first edge portion, a plurality of signal output pins are provided to the third edge portion, a plurality of between-element communication input pins are provided to the second edge portion, and a plurality of between-element communication output pins are provided to the fourth edge portion, respectively. A common signal is input to the first and second elements and a communication is performed between the first element and the second element. Loss of control function can be surely prevented while suppressing enlargement of the board and increase of development/production cost.
Wiring board, electronic device, and light emitting apparatus
A wiring board includes a ceramic insulating base; a recessed portion provided on a side surface of the insulating base, the recessed portion being connected to one main surface of the insulating base; an internal wiring conductor disposed in an interior of the insulating base; an external wiring conductor disposed on one main surface of the insulating base; a recessed portion wiring conductor disposed in the recessed portion, the recessed portion wiring conductor being connected to the internal wiring conductor and the external wiring conductor; and a through conductor disposed in an interior of the insulating base, the through conductor electrically connecting the internal wiring conductor and the external wiring conductor. In a see-through plan view of the insulating base from a one main surface side, the recessed portion extends in one direction, and the through conductor is disposed in a periphery of an end portion of the recessed portion.
Wearable flexible printed circuit board and method of manufacturing the same
Provided is a wearable flexible printed circuit board, in which a conductive circuit pattern is formed on a fiber web formed by accumulating fibers, and thus a base substrate has flexibility, resilience, waterproofness and air-permeability so as to be applied to future-oriented devices, a manufacturing method thereof, and a wearable smart device using the same. The wearable flexible printed circuit board includes: a base substrate made of a fiber web that is formed by accumulating spun fibers made of a fiber-forming polymer material and having a diameter of 3 μm or less; and a conductive circuit pattern formed on the base substrate.
A circuit structure includes a circuit substrate surface having a circuit pattern; a plurality of bus bars are fixed to another surface of the circuit substrate with an interval therebetween; an electronic component straddles an interval between two adjacent bus bars, a first terminal is electrically connected to one bus bar and a second terminal is electrically connected to the circuit pattern; and a flexible sheet member is fixed to the bus bar to insulate the bus bar and the second terminal from each other, while electrically connecting the second terminal and the circuit pattern. The flexible sheet member includes: an adhesive layer fixed to the bus bar; a terminal conductor foil piece electrically connecting the second terminal and the circuit pattern; and an insulating layer that is interposed between the adhesive layer and the terminal conductor foil piece insulating the bus bar and the terminal conductor foil piece.
Dielectric waveguide core between ground planes secured in a channel
An apparatus is provided. There is a circuit assembly with a package substrate and an integrated circuit (IC). The package substrate has a microstrip line, and the IC is secured to the package substrate and is electrically coupled to the microstrip line. A circuit board is also secured to the package substrate. A dielectric waveguide is secured to the circuit board. The dielectric waveguide has a dielectric core that extends into a transition region located between the dielectric waveguide and the microstrip line, and the microstrip line is configured to form a communication link with the dielectric waveguide.
Heat dissipating structure
The present invention provides a heat dissipating structure with high heat dissipation performance while reducing the electric resistance. A heat dissipating structure includes: a heat sink having a base portion, and a plurality of heat dissipating fins provided upright on a first surface of the base portion; a first heat generating component provided on a side of the first surface of the base portion while being in contact with at least one heat dissipating fin of the plurality of heat dissipating fins; a circuit board joined to a second surface, opposite to the first face, of the base portion while being electrically connected to the first heat generating component; a second heat generating component provided on the circuit board, the second heat generating component generating a smaller amount of heat than the first heat generating component; and a connector electrically connecting the first heat generating component and the second heat generating component. The connector has a first outlet into which a first connecting terminal on a side of the first heat generating component is insertable, and a second outlet into which a second connecting terminal on a side of the second heat generating component is insertable.
System and method for generating extreme ultraviolet light
A system includes a chamber, a laser beam apparatus configured to generate a laser beam to be introduced into the chamber, a laser controller for the laser beam apparatus to control at least a beam intensity and an output timing of the laser beam, and a target supply unit configured to supply a target material into the chamber, the target material being irradiated with the laser beam for generating extreme ultraviolet light.
Extreme ultraviolet light generation device
An extreme ultraviolet light generation device may include a chamber in which a target is irradiated with laser light and extreme ultraviolet light is generated, and a target supply unit configured to eject a target into the chamber. The target supply unit may be provided with a nozzle member including an ejection face having an ejection port configured to eject the target into the chamber. An angle θ1 defined by the ejection face and the gravity axis may satisfy a condition of “0 degrees<θ1<90 degrees”.
Mobile X-ray apparatus
A mobile X-ray apparatus includes: an X-ray radiation device configured to emit X-rays; a controller configured to control the X-ray radiation device; a power supply configured to supply operating power to the X-ray radiation device and the controller from a lithium ion battery and control overcurrent that occurs during emission of the X-rays by the X-ray radiation device; and a charger configured to charge the power supply.
Methods and apparatus for providing DC power for low voltage lighting
A DC power supply for lighting includes low voltage driver electronics for any suitable load such as lighting along with a supervisory controller that communicates to the driver electronics via any suitable digital communication protocol. Each driver's output ports include a 3rd wire that communicates to the low voltage load fixture for the purpose of auto-negotiating the appropriate power level without first having to energize the fixture.
Automatic mapping of devices in a distributed lighting network
A method includes the steps of obtaining distance measurements between a device and a number of lighting fixtures, processing the distance measurements to assign coordinates to each one of the lighting fixtures, and facilitating registration of the coordinates of a subset of the lighting fixtures to obtain registered coordinates for all of the lighting fixtures. The coordinates indicate a relative location of each one of the lighting fixtures with respect to one another. The registered coordinates indicate a location of each lighting fixture in a desired coordinate space. Accordingly, a location of a lighting fixture within a desired coordinate space can be easily obtained, which may enable significant additional functionality of the lighting fixture.
Information and hub lights
Techniques for employing an enhanced light device to determine desirable information to a user are presented. Such light device(s) can comprise or be associated with a light management component (LMC) that can employ sensors to monitor respective characteristics or conditions of a device, an environment, and/or a user to determine respective contexts for the device, environment, or user, wherein the user can interact with or be in proximity to the device or environment. The light device(s) collects data, including sensor data, relating to the device or environment from the device, the environment, or other data sources. The LMC determines a desirable subset of information to present to the user based on the respective contexts. The LMC facilitates presenting the desirable subset of information to the user via the light device or a communication device of the user that is communicatively connected to the light device.
Gesture-based control techniques for lighting systems
Techniques and architecture are disclosed for gesture-based control techniques for lighting systems. In some cases, the lighting system may include a camera and/or other suitable componentry to interpret gestures made by a user for controlling light output. In some such cases, the gesture performed and/or the location of the gesture may determine how the light output is controlled. In some cases, the gestures may be performed by moving a mobile computing device, such as a smartphone, tablet, or dedicated light controller device. In some such cases, sensors included in or otherwise operatively coupled to the computing device (gravitational sensors, accelerometers, gyroscopic sensors, etc.) may be used to detect the movement of the device and the related gestures. The gestures may be used to navigate a user interface that allows a user to control light output by adjusting different attributes of the light output, such as light intensity and color.
DC concentrated illumination system and method for measuring the state of the lamps thereof
The present disclosure provides a DC concentrated illumination system, including a DC distribution box configured for converting a command specification that controls the state of lamps into a voltage signal with a varying amplitude, and outputting the voltage signal via a power line; and a plurality of lamp units, each includes a lamp, a power conversion unit and a simulated load unit, wherein the power conversion unit is coupled to the lamp and the simulated load unit, and is coupled to the DC distribution box via the power line. The power conversion unit receives the voltage signal and collects the state information of the lamps when the voltage signal matches a preset convention rule successfully; and the power conversion unit controls the action of the simulated load unit to get a current signal, the DC distribution box parses the current signal to obtain the state information of the lamps.
Electroluminescent device and method of forming the same
In various embodiments, a stretchable electroluminescent device may be provided. The electroluminescent device may include a first contact structure. The first contact structure may include an ionic conductor layer. The electroluminescent device may also include a second contact structure. The electroluminescent device may additionally include an emission layer between the first contact structure and the second contact structure. The emission layer may be configured to emit light when an alternating voltage is applied between the first contact structure and the second contact structure.
Light device and method for controlling a light device
A light device comprises at least one light module having a front side and a rear side, as well as a lighting means arranged for emitting light from the front side, a lighting means arranged for emitting light from the rear side, and a control unit. The control unit is configured for adjusting the front-side lighting means and the rear-side lighting means. In particular, the control unit is configured to calibrate the light module to a light level that can be preset, to dynamically adjust the front-side lighting means for the display of information, and to adjust the rear-side lighting means such that it is adapted to the dynamically adjusted front-side lighting means, so that the calibrated light level is constant. In this way, the light device can influence the lighting properties in a target area in such a way that an impairment of the illumination of the target area is minimal for displaying the information even with varying lighting properties of the front lighting means.
Thermoelectric thermal management system
A thermal management system for an object comprising: one or more thermoelectric elements, one or more light emitting sources, electricity transport medium; electrical energy storage, and a controller. Heat energy that is generated or absorbed by the object is converted by said thermoelectric element to electrical energy. This energy is transferred to light emitting source to emit the energy to the environment or delivered to the electrical energy storage or back to the thermoelectric elements using the electricity transport medium and the controller to achieve the thermal goal of the thermal management system.
Light engine and lighting apparatus with first and second groups of LEDs
A LED based lighting apparatus is disclosed. The light engine used in the lighting apparatus may use printed circuit board and have a plurality of LED groups that are independently controllable by a control unit. The power supply input and return paths connected to each LED group may be implemented on different layers to allow a compact footprint that may be used with traditional fluorescent encasements with relatively little modification. The LEDs may comprise a subset of LEDs having a first color and a subset of LEDs having a second color different from said first color intertwined on the light engine.
Multi-mode power supply for an LED illumination device
An illumination device includes a light emitting diode (LED) module and a control circuit. The control substrate comprises at least one essential circuit component and at least one non-essential circuit component. The device also includes a multi-mode power supply configured to supply power to the LED module and the control circuit. The multi-mode power supply comprises: (i) a primary power supply component configured to supply power to the at least one essential circuit component, the LED module, and the at least one non-essential circuit component; and (ii) a secondary power supply component configured to supply power to only the at least one essential circuit component.
Display module and method for coating the same
The present disclosure provides a display module and a method for coating the same, which can prevent and/or reduce the occurrence of black seam between display modules that are arranged adjacent to each other. According to an example aspect of the present disclosure, a display module includes a printed circuit board; a plurality of luminous elements arranged at predetermined intervals on the printed circuit board; and a coating layer comprising a coating disposed between the respective luminous elements, disposed around side surfaces of the respective luminous elements positioned at an outermost, and formed to have a height that is substantially equal to a height of the side surfaces of the luminous elements, the coating being configured to block side light of the respective luminous elements.
Apparatus for providing customizable heat zones in an oven
An oven may include a cooking chamber configured to receive a food product, a radio frequency (RF) heating system configured to provide RF energy into the cooking chamber; and an energy conversion assembly provided as a cooking surface of the oven. The energy conversion assembly may be configured to convert at least some of the RF energy into thermal energy for heating the food product, while at least some other portion of the RF energy is directly applied to the food product to heat the food product.
Defrosting glass, defrosting lamp and vehicle using the same
A defrosting glass includes a glass substrate, at least one carbon nanotube composite wire, and at least one first electrode and at least one second electrode. The carbon nanotube composite wire is disposed on the surface of the glass substrate. A carbon nanotube composite wire includes a carbon nanotube wire and a metal coating layer. Each carbon nanotube composite wire includes a carbon nanotube wire and a metal coating layer on the surface of the carbon nanotube wire.
Appliance heating element
A heating element that limits the maximum temperature readied by a cooking utensil or food items placed on the heating element is provided. A cooktop appliance with features for limiting the maximum temperature reached by a cooking utensil or food items placed on a heating element of the cooktop appliance also is provided. In particular, a cooktop appliance with a positive temperature coefficient heating element and a controller for regulating the heating element to a selected temperature or heat output is provided.
Molybdenum disilicide-based ceramic heating element holding structure
A molybdenum disilicide-based ceramic heating element holding structure includes a holding member that is attached to a base portion and that holds an elongated support member, for mounting a molybdenum disilicide-based ceramic heating element of an elongated shape at intervals in a long axis direction thereof. The molybdenum disilicide-based ceramic heating element mounted on the support member can be exchanged without breaking the holding structure. A plurality of elongated support members can be provided, and a U-shaped portion of an elongated molybdenum disilicide-based ceramic heating element having a meandering shape can be inserted and extracted from a uniaxial direction in a space partitioned by the base portion. The plurality of support members and the holding member holding the plurality of elongated support members are detachable and the support member is removable from the holding member.
Control unit, control method, and recording medium storing a control program
A control device includes an AC-DC converter that converts power supplied from a commercial power source into DC, a DC-DC converter that supplies the DC to a fixing heater, an calculator that calculates a target DC voltage of the DC to be supplied to the fixing heater, based on detected temperature of the fixing heater, an overcurrent detection unit that outputs an interruption signal when an overcurrent detection value is detected in a circuit including a switching element, and a controller that calculates switching time for switching the switching element so that an output of the DC-DC converter reaches the target DC voltage. When the interruption signal is output causing stopping of the switching of the switching element, the controller causes the calculator not to calculate the switching time to continuously use the previously calculated switching time after resuming switching of the switching element at a next switching cycle.
A cooktop appliance includes a bimetallic switch is positioned adjacent an electrical heating element. A first electrical conduit is coupled to a first terminal of the electrical heating element and is configured to operate at a first voltage, L1, with respect to ground. A second electrical conduit is configured to operate at a second voltage, L2, with respect to ground. A relay is configured such that the relay connects the second electrical conduit to a second terminal of the electrical heating element when the bimetallic switch is in the first configuration and is also configured such that the relay connects a neutral electrical conduit to the second terminal of the electrical heating element when the bimetallic switch is in the second configuration.
A smart 3GDT schema has been disclosed, in detail, a method for controlling the communication of a network system has been disclosed. The network system comprises a UE, a NodeB, a RNC, a SGSN, and a GW. The UE is arranged to be in communication with the RNC via the NodeB, and the RNC is arranged to be in communication with the SGSN which in turn being arranged to be in communication with the GW for non-3GDT communication of the network system, or the RNC is arranged to be in communication with the GW for 3GDT communication of the network system. In this method, statistics of payload transferred between the UE and the GW has been monitored, and if the statistics of payload within a predetermined time period exceeds a first threshold, and the UE is in the non-3GDT communication, then switching the non-3GDT communication to the 3GDT communication. The present application has also disclosed the SGSN, GW, and the network system adaptive to perform the method.
Communication device and a method therein for determining a contention window size in a communication network
The disclosed embodiments relate to a method performed by an apparatus and also relate to an apparatus. The method includes transmitting to a communication device a burst including a subframe; receiving from the communication device a HARQ values associated with the subframe; and determining a random backoff contention window size based on the received HARQ values and also based on previously unused HARQ feedbacks. The apparatus is configured to perform the method steps described above.
Clear channel assessment threshold configuration
A method is disclosed of an access point adapted to operate in association with a communication standard with application of a sense-before-transmit principle (a.k.a. a listen-before-talk principle, e.g. CSMA/CA) and adapted to communicate with one or more wireless communication devices associated with the access point. The method comprises (for each of the one or more wireless communication devices) maintaining (a respective clear channel assessment threshold value for the wireless communication device based on one or more parameters of the wireless communication device, wherein the respective clear channel assessment threshold value is for application in channel sensing related to an intended transmission to the wireless communication device. Corresponding computer program product, arrangement, physical layer convergence protocol (PLCP) sublayer, and wireless communication device are also disclosed.
Method and apparatus for scheduling request in a wireless communication system
Provided are a method and apparatus for requesting scheduling for an uplink data transmission in a wireless communication system. The method may include receiving, by a user equipment, an additional scheduling request (SR) resource configuration information including additional SR resource information and buffer size information configured to the additional SR resource in addition to a default SR resource from a base station, transmitting, by the user equipment, an SR through the default SR resource or the additional SR resource to the base station, receiving, by the user equipment, an uplink resource allocation information which is determined according to the resource in which the SR is transmitted from the base station, and transmitting, by the user equipment, the uplink data to the base station through a physical uplink shared channel (PUSCH) resource which is allocated by the uplink resource allocation information.
Resource allocation for D2D discovery in an LTE network
Embodiments of user equipment (UE), an enhanced node B (eNB), and methods of signaling for proximity services and device-to-device (D2D) discovery in an LTE network are generally described herein. In some embodiments, the UE receives configuration information for a D2D discovery resource pool of a cell. The configuration information includes an indication that the D2D discovery resource pool has been logically divided into a plurality of sub-discovery resource pools. The UE performs an initial transmission of a discovery signal in a discovery period using a single D2D discovery resource from a first sub-discovery resource pool of the plurality of sub-discovery resource pools. The UE performs a number of additional transmissions of the discovery signal in the discovery period using additional D2D discovery resources from sub-discovery resource pools of the plurality of sub-discovery resource pools other than the first sub-discovery resource pool. Other apparatuses and methods are also described.
Allocating partially overlapping resources to communication devices
A method of assigning transmission resources by an access node includes allocating first transmission resources to a first device, and allocating second transmission resources to a second device, wherein the second transmission resources partially, but not completely, overlap the first transmission resources. An amount of overlap between the first transmission resources and the second transmission resources may be based on a target error rate for decoding transmissions received from the first device and the second device and/or a signal to interference plus noise ratio (SINR) of transmissions from the first device and the second device. Related access nodes are disclosed.
Methods and apparatuses for buffer status reporting for device-to-device communications
Embodiments described herein relate to a wireless device, a method therein for buffer status reporting, a network node and a method therein for assigning resources. The method for the wireless device includes determining an amount of data in the buffer to be transmitted in addition to an amount of data previously transmitted but not acknowledged, transmitting a buffer status report to the network node in which the report includes information on the determined amounts, and receiving from the network node a scheduling assignment for enabling the wireless device to transmit of the unacknowledged data and the remaining data in the buffer.
Grid design for introducing gaps in transmission for DL NB-IOT
A method in a network node includes communicating, over a narrowband Internet of Things downlink, a first message to a first wireless device during repetition periods of at least a first time frame and a second time frame of a plurality of time frames of a transmission time of a narrowband physical downlink control channel (NB-PDCCH) or a narrowband physical downlink shared channel (NB-PDSCH). Each time frame of the plurality of time frames includes a repetition period and a gap. The method also includes communicating a second message to a second wireless device during a gap of the first time frame.
Method and apparatus for allocating wireless resource in order to prevent interference in wireless LAN
Disclosed is a method and apparatus for allocating a wireless resource in order to prevent interference in a wireless LAN. A method for allocating a wireless resource in a wireless LAN may comprise the steps of: allocating, by an AP, a plurality of wireless resources for a plurality of STAs included in a BSS, in the entire bandwidth, respectively; and transmitting, by the AP, a PPDU to the plurality of STAs through the plurality of wireless resources, respectively, wherein each of the plurality of wireless resources is a combination of a plurality of wireless units defined in different sizes on a frequency axis, and each of the plurality of wireless resources can be determined in consideration of the size of the bandwidth of at least one STA supporting a bandwidth smaller than the size of the entire bandwidth from among the plurality of STAs.
Sub-frequency band sharing method and base station, and user terminal
The present disclosure discloses a sub-frequency band sharing method, a base station and a user terminal. The method includes: assigning a unique terminal sequence code to a user terminal, and sending the terminal sequence code to the user terminal; receiving a user data packet sent by a core network; parsing the user data packet to acquire a destination user terminal to which the user data packet is to be sent; acquiring a terminal sequence code corresponding to the destination user terminal; acquiring an idle sub-frequency band in a frequency band; and modulating the user data packet and the acquired terminal sequence code to the idle sub-frequency band according to a predetermined sequence to form modulated data, wherein upon completion of the transmission of the modulated data, the sub-frequency band occupied by the modulated data is released.
Transmitter, receiver, transmission method, and reception method
Provided is a transmitter which improves the flexibility of SRS resource allocation without increasing the amount of signaling for notifying the cyclic shift amount. In the transmitter, with regard to each basic shift amount candidate group having a basic shift amount from 0 to N−1, a transmission control unit (206) specifies the actual shift amount imparted to a cyclic shift sequence used in scrambling a reference signal transmitted from each antenna port, said specification being performed based on a table in which cyclic shift amount candidates correspond to each antenna port, and based on setting information transmitted from a base station (100). With regard to basic shift amount candidates for shift amount X, the table differentiates between an offset pattern comprising offset values for cyclic shift amount candidates corresponding to each antenna port and an offset pattern corresponding to basic shift amount candidates of X+N/2.
Supporting different numerology configurations
In wireless communication systems that support 5th generation wireless systems (5G) or New Radio (NR) protocols, subframes used for communication may have different numerology options. Numerology options may refer to the characteristics of the subframe such as a tone spacing within each symbol of the subframe, a symbol duration for each symbol of the subframe, a number of symbols in the subframe, etc. A subframe may include a control channel (e.g., the Physical Downlink Control Channel (PDCCH)) and a data channel (e.g., the Physical Downlink Shared Channel (PDSCH)). In an aspect, the control channel and the data channel within the subframe may have different numerologies. As such, a need exists to signal the numerology of the subframe to users and to determine whether and how to multiplex the control channel and the data channel into the subframe.
Method, base station and user equipment for subframe configuration in time division duplex system
Disclosed are a method, a base station and a user equipment for subframe configuration in a time division duplex system. The method comprises: a base station determining a subframe number of a flexible subframe in a radio frame; the base station determining a feature of the flexible subframe corresponding to the subframe number, where the feature indicates that the flexible subframe is an uplink subframe or a downlink subframe; and the base station sending to a user equipment a first signaling via a downlink control channel, where the first signaling includes the feature of the flexible subframe corresponding to the subframe number.
Integrated circuit and control channel allocating method
A wireless communication base station apparatus that allows the number of times of blind decodings at a mobile station to be reduced without increasing the overhead caused by notifying information. In this apparatus, a CCE allocation part allocates allocation information allocated to a PDCCH received from modulation parts to a particular one of a plurality of search spaces that is corresponding to a CCE aggregation size of the PDCCH. A placement part then places the allocation information in one of downstream line resources, reserved for the PDCCH, that is corresponding to the CCE of the particular search space to which the allocation information has been allocated. A radio transmission part then transmits an OFDM symbol, in which the allocation information has been placed, to the mobile station from an antenna.
Communication protocol preferences
Systems and methods for the management of communications related to telecommunications-based devices are provided. Telecommunications-based devices initiate requests to gateway computing devices corresponding to a radio communication network to establish data communications. The gateway computing device accepts the communication request and specifies an ordered preference of one or more communication protocols that will be used telecommunications-based devices accessing the wireless communication network. The telecommunications-based device processes the acceptance and selects a communication protocol from the ordered preference provided by the gateway computing device.
Distributed antenna system measurement receiver
Certain features relate to configuring a remote unit in a distributed antenna system (DAS) to switch between a baseband mode of operation and a measurement receiver mode of operation. In the baseband mode of operation, the remote unit can transmit a subset of baseband channels to a head-end unit or an extension unit of the DAS. The subset of baseband channels can carry wireless communication information. In the measurement receiver mode, the remote unit can transmit wideband data to the head-end unit or the extension unit of the DAS. The wideband data can include one or more of a measurement data for additional baseband channels other than the subset of baseband channels and information for use by the head-end unit to modify a configuration of the distributed antenna system.
Paging method, paging message obtaining method, base station, and terminal
Disclosed are a paging method, paging message obtaining method, base station, and terminal, relating to the telecommunication technology. For a terminal requiring enhanced coverage, upon paging, repeating the paging in at least one paging cycle including the current paging cycle, such that the terminal requiring enhanced coverage determines the paging message by combining the content received during the first paging and the repeated paging, thereby reducing the occurrences of situations in which the terminal misses the paging and cannot be called.
Haptic functionality for network connected devices
A system provides haptic functionality over a networked system. The system receives information from a first device registered at the networked system and determines a notification to be provided to a user based on the information. The system then selects a second device registered at the networked system and provides the notification to the user by producing a haptic effect on the second device.
Method for locating a terminal connected to a cellular telecommunications network
A method for locating a terminal equipped with a UICC card, connected to a cellular telecommunications network and located in a current cell, the terminal storing in the UICC card an identifier of the current cell and at least one identifier of a previous cell in which the terminal was previously located. This method comprises the following steps, implemented by a processing server connected to the network: receiving said identifiers received from the terminal via the communication network; estimating location information for the terminal using location coordinates associated with at least one previous cell identified by an identifier stored in the terminal.
User equipment and method for time and frequency synchronization
User Equipment and method for time and frequency synchronization, the method includes: a UE measuring a primary measurement reference signal transmitted on at least one basic sub-band, where the at least one basic sub-band has a preset carrier numerology and a preset waveform configuration; calculating a first time deviation and a first frequency deviation between the UE and a base station on the at least one basic sub-band, based on a measurement result obtained by measuring the primary measurement reference signal; and keeping the UE in time and frequency synchronization with the base station on the at least one basic sub-band, based on the first time deviation and the first frequency deviation. Accordingly, time and frequency synchronization between UE and base station in a 5G system can be achieved.
User apparatus, mobile communication system, and maximum transmission power determination method
A user apparatus in a mobile communication system including a base station and the user apparatus, including: reception means configured to receive, from the base station, first system information including a first maximum transmission power value and a second maximum transmission power value, and second system information including a first signaling value and a second signaling value; and control means configured, when determining that the second signaling value included in the second system information is a value defined as a transmission condition in a cell where the user apparatus resides, to determine the second maximum transmission power value corresponding to the second signaling value as a maximum transmission power value for use in the cell.
Device and method of handling uplink power control for unlicensed serving cell
A communication device of handling an uplink (UL) transmission for an unlicensed serving cell comprises a storage unit for storing instructions and a processing means coupled to the storage unit. The processing means is configured to execute the instructions stored in the storage unit. The instructions comprise receiving a UL grant for scheduling a plurality of consecutive subframes of an unlicensed serving cell of a network; and transmitting a sounding reference signal (SRS) in a subframe of the plurality of consecutive subframes according to an indication transmitted by the network.
Adaptive and static keep alive message detection and simulation
An aspect provides a method, including: in a low power mode of an electronic device, examining, using a network component, an application specific network connection; in response to the examining, using the network component to consult a policy to determine a communication on behalf of the specific application to be sent over the application specific network connection; and sending, using the network component, the communication on behalf of the specific application without waking one or more main processors of the electronic device. Other aspects are described and claimed.
Proximity and low power usage based ad hoc wireless inter-device communication system and method
A system of mobile devices, smartwatches, wearable devices, beacon devices and implemented method that make use of embedded network connection module capable of short distance connection range and low power consumption, and invented concepts of virtual service channel, virtual band, virtual user group and virtual poster, to create proximity based ad hoc inter-device communication systems such as building real-time inter-resident communication system, media information display-broadcasting system, remote emergency help request activation system, indoor short message communication system, mobile poster slideshow display stand system, object monitoring system, virtual device searching system, virtual coupon based marketing system, virtual media source exchange system, object activity alert system and waiting list registration system.
Communication control method, user terminal, and processor
A communication control method according to the present embodiment is used in a mobile communication system that supports a D2D proximity service. The communication control method comprises: an operation step of performing an operation for energy saving by a base station managing a cell in which a fixed-type user terminal, whose movement is restricted, exists; and a switching step of switching an operation mode from a normal mode to a power saving mode, by the user terminal, so that power consumption of an operation in the D2D proximity service is reduced, when the base station performs the operation for energy saving.
Extending sleep mode in wireless device
A method for extending sleep mode in a first tag may include: determining a next transmission time to transmit data to the first tag via a communication network based on a reception schedule associated with the first tag and a paging schedule associated with the communication network, wherein the first tag is configured to transition between sleep mode and active mode based on the reception schedule associated with the first tag and the paging schedule associated with the communication network; receiving data destined for the first tag; and in response to determining that a current time does not correspond to the next transmission time to transmit data to the first tag, extending sleep mode in the first tag by storing the data destined for the first tag in a first queue associated with the first tag.
Receiver start of packet optimization for wireless networks
In one embodiment, a method implemented on a computing device includes: selecting a wireless access point (AP) to process from among a deployment of wireless access points (APs), defining a neighborhood based on the AP and neighboring APs, where the neighboring APs are within a one-hop radius of the AP, calculating a client distribution optimal received signal strength indicator (RSSI), where the client distribution optimal RSSI (CD optimal) is a minimum receiver start of packet detection threshold (RX-SOP) setting for maintaining existing client device coverage by the AP, calculating a neighbor relations optimal RSSI threshold (NR optimal), where the NR optimal is a function of at least a transmit power control threshold (TPC) for maintaining visibility between the AP and the neighboring APs, calculating an RX-SOP setting for the AP as a function of CD optimal and NR optimal, and applying the RX-SOP setting to the AP.
Method for switching from a first to a second mobile network operator and corresponding device
A device comprises a chip storing a first subscription relating to the first mobile network operator in a home country. The chip stores a second subscription relating to a second mobile network operator and associated with a preferred communication technology. The chip receives location information and analyses whether an extended cell identity value is present within the location information. The chip detects, based upon the analysis, a currently available communication technology relating to a second mobile network. The chip compares the currently available communication technology to at least one preferred communication technology. If the currently available communication technology matches at least one preferred communication technology, then the chip switches to a second subscription associated with the preferred communication technology. The chip sends to the device at least one identifier relating to the second subscription related to the second mobile network.
Method and apparatus for handling reject
Aspects of the disclosure provide a method for handling reject in wireless communication. The method includes receiving, at an electronic device, a reject message indicative of a forbidden resource of a service provider network to use by the electronic device for wireless communication, determining a reliability attribute of the reject message, storing the forbidden resource associated with the reliability attribute, and maintaining the stored forbidden resource based on the reliability attribute.
Data processing method and system
A data processing method when the handover or change appears between systems includes: a Mobility Management network element sends a data forwarding tunnel identifier of a target side processing network element to a user plane anchor network element, obtains a data forwarding tunnel identifier of the user plane anchor network element, and sends the data forwarding tunnel identifier of the user plane anchor network element to a source data forwarding network element.
Method and detection system for automatically detecting cellular mobile channels
A method for automatically detecting cellular mobile channels of a certain cellular mobile standard and their respective center frequencies is described. A spectrum assigned to said cellular mobile standard is received via at least one receiving antenna. Said spectrum received is automatically analyzed by a detection system. A peak detection is performed during said automatic analysis in order to obtain a list of cellular mobile channels and their respective center frequencies for said cellular mobile standard. Further, a detection system is described.
User terminal and method for reselecting target cell
A user terminal according to an embodiment includes a controller configured to select a target cell to be used as a serving cell from among a plurality of cells operated at different frequencies. The controller is configured to measure qualities of neighbor cells adjacent to a current serving cell at a predetermined timing even when a quality of the current serving cell satisfies predetermined quality criteria.
Method and system for adaptive channel access in unlicensed spectrum
A method and a device for adaptive channel access are disclosed. In an embodiment includes adaptively adjusting, by a small base station (SBS), access parameters for small cells to ensure quality of service (QoS) to cellular users while minimizing collision probability for WiFi users.
Method for performing interworking of terminal in wireless communications system, and terminal using same
Provided are a method for performing interworking of a terminal in a wireless communications system, and a terminal using said method. The method comprises the steps of: receiving a threshold value with respect to a single parameter in which a plurality of parameters for determining whether a traffic control is performed between a first network and a second network are combined; measuring the value of the single parameter with respect to the second network; and determining whether traffic control has been performed by comparing the result of the measurement of the single parameter to the threshold value.
System and method for communication between programmable base stations and software-defined radio access network controllers
Base stations as well as Radio Access Network (RAN) controllers have embedded communication agents that are responsible from control messaging between these entities that enable creation and management of RAN Slices. At a given time, it is possible that multiple active RAN slices co-exist on the same base station, where each RAN slice may run its own scheduler, its own admission control and have its own handoff management parameter values.
Overshooting cell detection
In one embodiment, a system includes: an input/output (I/O) module operative to receive operational data for features associated with at least inter-cell performance in a mobile network, processing circuitry, a model generator application to be executed by the processing circuitry and operative to: use at least one prediction model to analyze training sets comprising examples of values for the features for at least overshooting cells, and to generate a scoring model for detection of the overshooting cells from among cells in the mobile network, and a boomer detection application to be executed by the processing circuitry and operative to: use the scoring model with the operational data to detect the overshooting cells from among cells in a mobile network, and reduce interference by the overshooting cells.
Method and apparatus for enhancing inter-MeNB handover without SeNB change in wireless communication system
In an inter-master eNB (MeNB) handover procedure without secondary eNB (SeNB) change, a user equipment (UE) receives a SeNB kept indicator indicating that a SeNB has been kept successfully from a source MeNB. Upon receiving the SeNB kept indicator, the UE determines that the SeNB has been kept successfully in the inter-MeNB handover without SeNB change, and skips the random access procedure to the SeNB.
User equipment and circuit-switched fallback method thereof
A user equipment and a circuit-switched fallback method thereof are provided. An initial base station sends a radio resource control connection release message containing the redirection frequency list to the UE. The redirection frequency list includes at least one redirection frequency. The UE determines a priority of the at least one redirection frequency according to a current registered LAI, a learning database and a piece of signal reference information of the redirection frequency list. Accordingly, the UE executes a circuit switch fallback procedure according to the priority of the at least one redirection frequency.
Cellular system selection frequency scan scope
Apparatuses, systems, and methods for user equipment (UE) devices to perform more efficient frequency scans for potential base stations. According to techniques described herein, the UE may determine that it does not have cellular service and determine first information based on a last camped cell. A time period during which the first information was acquired may be determined and one or more frequency scans may be performed. The frequency scans may be limited to a set of frequencies based in part on the time period. Thus, if the time period is less than a first value, the set of frequencies may include a first set of frequencies and if the time period is greater than the first value but less than a second value, the set of frequencies may include the first set of frequencies and a second set of frequencies.
Method and system for selecting communication parameters in a wireless network
The present invention relates to a method and system for selecting communication parameters in a wireless network comprising a plurality of nodes configured to wirelessly communicate with each other over a plurality of communication channels The method comprises: establishing 43 a channel quality index for each node in the wireless network, arranging 42 the plurality of nodes into one master node configured to select communication parameters in the network and at least one sub-node, configuring the wireless network in a tree structure, calculating 44 in each node a modified channel quality index based on the channel quality index established in the node, and an accumulated channel quality index based on the channel quality index established in the child nodes, transmitting 46 the modified channel quality index to the parent node, and selecting and communicating 49 updated communication parameters based on the modified channel quality index calculated in the master node.
Predictive load balancing
Managing connections to be established between clients and access points for the purposes of accessing wireless services is contemplated. The connections may be managed according to a predictive load balancing strategy where connections may be established and adjusted in anticipation of predicted client demands, such as to achieve an optimized throughput.
Methods to signal current MIMO stream interference mitigation status
A first user equipment is configured to mitigate multi-antenna inter-stream interference. A method by the first UE includes determining, based on one or more criteria, a number of multi-antenna streams whose interference can be currently mitigated by the first UE, and transmitting information based on the number of multi-antenna streams to a first network node, to a second network node, and/or to a second UE. A related method by a first network node serving or managing the first UE includes obtaining information based on a number of multi-antenna streams whose interference can be currently mitigated by a first UE at the first UE, and performing one or more radio operational tasks using the information based on the number of multi-antenna streams whose interference can be currently mitigated.
Disruption tolerance in contested environments
A method includes determining that a first receiver of a node of a mobile ad-hoc network (MANET) is in an electromagnetic contested environment for a first frequency. The method also includes scanning a frequency coverage range of a second receiver of the node for unused frequencies. The method additionally includes selecting a frequency from the unused frequencies, the selected frequency to be used for communication of messages from another node of the MANET to the node via the second receiver. The method further includes transmitting, to the other node, a message including information of the selected frequency via the transmitter.
Measurement configuring method and device for dual connectivity, measuring method and device for dual connectivity, scheduling method and device for dual connectivity, storage medium, base station and terminal
Measurement configuring method and device for dual connectivity, measuring method and device for dual connectivity, scheduling method and device for dual connectivity, storage medium, base station and terminal are provided. The measurement configuring method includes: after an RRC connection is set up with a UE, a master base station sending master network measurement configuration to the UE; determining first secondary network measurement configuration for a secondary base station; sending to the secondary base station a dual connectivity configuration request which comprises the first secondary network measurement configuration; and receiving second secondary network measurement configuration and a secondary network measurement gap configured by the secondary base station, wherein the secondary network measurement gap is determined based on the first secondary network measurement configuration and the second secondary network measurement configuration. NR measurement may be executed with a shorter time period of service interruption without changing an LTE baseband circuit of UE.
A method of estimating the proximity of a first device to a second device in a network causes the first device to perform a first measurement in a first period during which a control message broadcasted over the network instructs devices in the network to not transmit during the first period, wherein the second device disregards the control message and transmits a first signal during the first period which is measured by the first device during the first period, and forms a measure of the proximity of the first device to the second device in dependence on a strength of the first signal.
Self-care self-tuning wireless communication system
A customer self-service tuning system assists a mobile device user in adjusting his network settings and device configuration. Device, network and performance metrics are stored for a population. Over time all of these suggest changes in the device or network that change measured performance. The potential improvement(s) are presented to the user for selection. Performance measurements are taken and the user can choose to go forward with the new configuration or to revert. Each time a user requests self-care service, a new cohort is extracted from the then current overall population and analyzed for similarity to the user at that point in time. Each time an improvement is selected, the history of device states and network states is augmented. Identified variances are transformed into an action plan specific to a user and implemented on the device or network upon concurrence.
Systems and methods for coverage and capacity optimizing nodes
A Component Carrier (“CC”) controller may monitor usage, by a set of user equipment (“UE”), of radio resources provided by an access node, of a wireless telecommunications network, that utilizes one or more CCs. The CC controller may optimize coverage and/or capacity of the access node by adjusting the number of CCs that are active at the access node, and the power that is allocated for each active CC in response to monitoring radio resource usage that exceeds one or more first thresholds, or monitoring radio resource usage that is below one or more second thresholds.
Spectrum access for fixed LTE user equipment
Spectrum access allocation processes and systems are described in which multiple tiers of predetermined transmission powers are enforced, and where access is established by transmission at or below the lowest predetermined transmission power. The allocation processes include provisioning a wireless interface between a spectrum access system and a user equipment that is not registered with the spectrum access system. The wireless interface permits data transfer at or below a first predetermined power setting. A request to register the user equipment with the spectrum access system is transmitted to a spectrum access server. The spectrum access server receives a message from the spectrum access server indicating that the user equipment has been registered with the spectrum access system. The user equipment is controlled to transmit data at a second predetermined power setting that is greater than the first predetermined power setting.
Methods and apparatus for interference aware spatial reuse
A first communication device maintains respective spatial reuse information for respective pairs of second communication devices, the respective spatial reuse information for determining whether the first communication device can simultaneously transmit during respective transmissions between the respective pairs of second communication devices. The first communication device determines whether the first communication device can transmit a spatial reuse transmission to a third communication device simultaneously with one or more ongoing transmissions between one or more pairs of second communication devices using the spatial reuse information. Responsive to determining that the first communication device can transmit the spatial reuse transmission, the first communication device transmits a packet to the third communication device simultaneously with the one or more ongoing transmissions between one or more pairs of second communication devices.
Securing communications between interconnected devices
Systems, methods, and devices for forming networks of interconnected devices are provided. Individual devices of the network are configured to utilize multiple wireless communication standards which may include wireless LAN communication standards, short-range wireless communication standards, and low-power wireless communication standards. User utilize access devices to monitor and control the devices of the network. Communications transmitted to devices of the network may be routed through a server located remotely relative to the network as well as through other devices of the network. The devices of the network are configured with multiple security modes having different security features resulting in different response times. The security mode a device utilizes when communicating with an access device or another device of the network is selectable by the user.
Modifying access to a service based on configuration data
In one example, a system for accessing services comprises a processor to detect a change in a topology of the system and request configuration data or a firmware image stored in secure storage of a wireless credential exchange or EEPROM, wherein the configuration data indicates an authorized stackable topology map for the system. The processor can also determine the change in the topology is allowed based on the authorized stackable topology map and execute an internet or local based service comprising a modification based on the change to the topology of the system, the service with the modification to be executed in response to a transmission of the change to the service.
Cross-layer authentication method based on radio frequency fingerprint
A cross layer authentication method based on radio frequency fingerprint, it includes the following steps: S1. In the first time slot, the legitimate transmitter A sends the first packet to the legitimate receiver B, and then B identifies the first data packet by the upper layer authentication; S2. The legitimate recipient B extracts the RF fingerprint eigenvector of the legitimate sender A, and stores it in the memory of the legitimate receiver B; S3. In the next time slot, the sender X sends the second packet to the legitimate receiver B, and the legitimate recipient B extracts the RF fingerprint eigenvector of the sender X; S4. Set sample of the RF fingerprint eigenvector; S5. legitimate receiver B estimates the similarity between the RF fingerprint eigenvector of the sender X and sample of the RF fingerprint eigenvector. This invention is in advantage of low computational complexity, small delay and high precision.
Authentication for device connection using visible patterns
Wireless communication is established between electronic devices by an initiating device transmitting a wireless communication request to a peripheral device; the initiating device detecting a visible electromagnetic pattern displayed on the peripheral device in response to the wireless communication request; the initiating device decoding the visible electromagnetic pattern to generate a passcode; and the initiating device echoing the passcode to the peripheral device to authenticate the wireless communication request without user intervention.
Method and apparatus for managing packet data network connection on basis of local area in wireless communication system
A method and an apparatus for providing, setting, maintaining, and releasing a packet data network (PDN) connection on the basis of a local area in a wireless communication system are provided. The method includes receiving the PDN subscription information on the basis of the local area from a business operator server, inspecting whether the current location information for the terminal exists in the PDN subscription information on the basis of the local area, and starting a procedure for setting the PDN on the basis of the local area when the current location information exists therein.
Method for performing scanning in wireless communication system, and apparatus therefor
The present specification relates to a method for performing, by a first device, scanning in a wireless communication system, comprising the steps of: receiving a scan request which orders at least one neighboring device to perform scanning; and performing the scan negotiation procedure with a second device. According to the present specification, it is possible to enable a device with an insufficient energy source to perform a scanning function at lower power than a conventional wireless communication technique by performing a search function by another device.
System and method for two-way message transmission on mobile platforms for emergency and non-emergency communications
A method of transmitting emergency and non-emergency communications between a system backend facility (system) and at least one mobile platform (platform), the method comprising establishing a communication link between the system and the platform, providing a single-action voice calling module of the platform for communicating with the system, providing a message reception module of the platform for receiving a message sent from the system, providing a single-action location information transmission module of the platform for sending location information of the platform to the system, providing a single-action location information extraction module of the system for locating at least one recipient associated with the platform based on a predetermined attribute of the platform, and providing a single-action information dispatch module of the system for sending information to the located at least one recipient associated with the platform via the first protocol.
Network architecture implementing convergence of small cell and M2M system, related method, and related device
Embodiments of the present invention disclose a network architecture implementing convergence of a small cell and an M2M system, a related method, and a related device. The network architecture includes: a small cell in a small cell system and an M2M platform device in an M2M system. The small cell is connected to a service interface of the M2M platform device by using a first interface, service data in the M2M system is transmitted between the small cell and the M2M platform device by using the first interface, and when the service data needs to be sent to a user terminal served by the small cell, the small cell sends the service data to the user terminal.
Propagation of application context between a mobile device and a vehicle information system
A method, device, and a vehicle information system are provided for persisting application context from the mobile device to the vehicle information system. An operating context is determined for at least one application executing on the mobile device. A user interface view for display by the vehicle information system is generated and provided to the vehicle information system. The user interface view comprises at least one application user interface element associated with the at least one application, and the application user interface element comprises an application entry point defined by the operating context for the at least one application.
Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
The present invention provides an apparatus of transmitting broadcast signals. The apparatus includes, an encoder encoding service data, a constellation mapper mapping the encoded service data by either QAM, NUQ (Non Uniform QAM) or NUC (Non Uniform Constellation), a mapper mapping the mapped service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a modulator modulating data in the built at least one signal frame by an OFDM scheme and a transmitter transmitting the broadcast signals having the modulated data.
Method for controlling a wireless link in a local area network including a wireless bridge, respective wireless bridge, program storage medium and computer program
A method for operating a wireless link in a local area network is described. The wireless link includes a LAN access point, a wireless bridge linked with the LAN access point and a receiver linked with the wireless bridge. The wireless bridge includes a bridge access point and a bridge station. A multicast data connection is established between the LAN access point and the receiver via the wireless bridge by forwarding a multicast data stream, received by the bridge access point from the LAN access point, to the bridge station, restoring the wireless link after a connection loss of the wireless link, and sending a query message by the bridge station to the receiver, when the wireless link is restored.
Positioning method and apparatus based on electronic device or application
A positioning method and apparatus based on an electronic device or application are disclosed. A particular embodiment of the method comprises: receiving a positioning request from an unpositionable electronic device or application, the positioning request comprising a timestamp acquiring location information of a positionable electronic device or application having a network identification identical to a network identification of the unpositionable electronic device or application, and a timestamp corresponding to the location information; and estimating location information of the unpositionable electronic device or application at a time corresponding to the timestamp of the positioning request, based on the location information of the positionable electronic device or application, the timestamp corresponding to the location information, and the timestamp of the positioning request. According to this embodiment, a high-accuracy positioning for an unpositionable electronic device or application is achieved. Thus, a content pushing or a pushing for an ordered search result based on location information can be customized and optimized, for an unpositionable electronic device or application with an accurate location, and the user may obtain more precise pushing information.
Adaptive position indicator
Methods, systems, computer-readable media, and apparatuses for determining a position indicator are presented. In some embodiments, position data indicating a position of a mobile device is obtained. A position indicator is determined based on at least one region of a map. The position of the mobile device is located within the at least one region. The position indicator indicates a map-feature-dependent region of the map. The position indicator is provided.
Proximity-based configuration of a device
Some embodiments of the invention provide techniques which enable a mobile computing device to seamlessly configure an auxiliary device without a user having to provide input to an application or other component(s) executing on the mobile computing device to select the auxiliary device for configuration. The mobile computing device may determine, in the absence of such input, whether the auxiliary device is in sufficiently close physical proximity to the mobile computing device for the mobile computing device to configure the auxiliary device. If so, configuration of the auxiliary device may proceed automatically, or may be performed semi-automatically or manually by the user of the mobile computing device.
Audio propagation in a virtual environment
The methods described herein are configured to accurately propagate sound through a virtual environment. During runtime of an application using the virtual environment, a shortest path is calculated from a sound source in a first zone to a sound destination in a second zone that passes through at least one portal. The direction of the calculated shortest path from the portal to the sound destination is determined. Then, a virtual sound source is generated based on the length and determined direction of the calculated path. Further, obstructions in the virtual environment are processed to determine an attenuation of audio data associated with the sound source. The generated virtual sound source and the attenuated audio data are provided to an audio engine for rendering to a user. Propagating sound using a combination of these methods provides an accurate, realistic sound experience in the virtual environment.
System and method for rendering an audio program
A method, apparatus, and medium for rendering an audio program to a number of loudspeaker feed signals are provided. The audio program may include one or more audio objects, and metadata associated with each of the one or more audio objects. The metadata may include position information indicating a time-varying position of the audio object and a parameter indicating whether the audio object should be reproduced at the time-varying position, or at one of a plurality of fixed positions. In response to the position and the parameter, a position at which to reproduce each audio object may be determined. The determined position may be one of the plurality of fixed positions that is nearest to the time-varying position indicated by the position information. Each audio object may be reproduced at the determined position by rendering the audio object into one or more of the loudspeaker feed signals.
Sound distribution apparatus, sound reproduction terminal, authentication device, sound distribution system, and sound distribution method
[Object] To enable simply viewing of a performance even at a location away from a hall where the performance takes place. [Solution] A sound distribution apparatus is connected to a sound reproduction terminal that detachably holds an authentication device storing decoding information, the sound distribution apparatus including: a sound distribution unit configured to streaming-distribute sound information, which has been encrypted with a decodable code on the basis of the decoding information, to the sound reproduction terminal.
Integrated personal amplifier system with howling control
With regards to a hearing assistive device, a the user's speech can be picked up by the microphone and feed through the speaker causing an acoustic feedback effect. The user may have to constantly adjust the volume of the hearing assistive device to achieve a more comfortable volume based on where the speech is coming from. Furthermore, the when the hearing assistive device experiences feedback, the amplification of the feedback can cause damage to the user's hearing. Therefore, mitigating the acoustic feedback effect of assistive hearing devices can generate a more efficient and comfortable hearing device. The acoustic feedback can be mitigated by leveraging a dynamic range controller and a howling detector which comprises a user interface and a status indicator.
Carbon fiber dome and manufacturing method for same
The present disclosure provides a carbon fiber dome. The carbon fiber dome includes at least two carbon fiber prepreg layers. The at least two carbon fiber prepreg layers include carbon fiber prepregs made by at least two weaving methods. In addition, the present disclosure provides a method for manufacturing the carbon fiber dome as described above. The method includes the following steps: using prepreg resin to pre-impregnate carbon fiber materials made by at least two weaving methods; and pre-impregnating the carbon fiber materials made by at least two weaving methods for bonding each other.
Audio decoder for audio channel reconstruction
A method performed by an audio decoder for reconstructing N audio channels from an audio signal containing M audio channels is disclosed. The method includes receiving a bitstream containing an encoded audio signal having M audio channels and a set of spatial parameters, the set of spatial parameters including an inter-channel intensity difference parameter and an inter-channel coherence parameter. The encoded audio bitstream is then decoded to obtain a decoded frequency domain representation of the M audio channels, and at least a portion of the frequency domain representation is decorrelated with an all-pass filter having a fractional delay. The all-pass filter is attenuated at locations of a transient. A matrixed version of the decorrelated signals are summed with a matrixed version of the decoded frequency domain representation to obtain N audio signals that collectively having N audio channels where M is less than N.
Distributed and upgradable audio system
The systems and methods described herein provide an audio system and modules that include speakers that can be packaged in new locations, and/or that can be driven by a local amplifier (amp). The new audio system can be easily upgraded with more modules inserted into the speaker network. For example, the custom system can increase capacity by replacing a trim panel with a new integrated trim panel having a module with one or more smaller speakers and the local amp. A control processor can detect the modules, which may include a digital signal processor (DSP), an amp, and/or at least one speaker.
Sound source apparatus
A sound source apparatus for receiving an audio signal and displaying the audio signal is provided. The sound source apparatus includes at least two sound source output devices, at least two distance sensors, and a processor. Each distance sensor is installed respectively corresponding to each sound source output device, and is configured to respectively detect at least one target to generate sensing signals. The processor receives the audio signal, and when the processor determines that the at least one target meets a sensing range through respectively receiving the sensing signals generated by each distance sensor, the processor calculates output volume of each sound source output device respectively according to a relative distance between each distance sensor and the at least one target.
Electromagnetic acoustic transducer excitation source with programmable tone burst generator
The present invention relates to an electromagnetic acoustic transducer excitation system comprising a tone burst generator, the tone burst generator comprising: an oscillator device configured to produce a radio frequency signal; an analog switch configured to produce an output based on the radio frequency signal produced by the oscillator device and a control signal; a pre-amplifier configured to amplify the output of the analog switch and produce a tone burst output signal; and a control module configured to produce the control signal for providing to the analog switch.
Dual-use bilateral microphone array
A pair of earphones have microphone arrays each including a front microphone and a rear microphone. A processor uses a first set of filters to combine the four microphone signals to generate a far-field signal that is more sensitive to sounds originating a short distance away from the earphones than to sounds close to the apparatus, and provides the far-field signal to the speakers for output. The processor also uses a second set of filters to combine the four microphone signals to generate a near-field signal that is more sensitive to voice signals from a person wearing the earphones than to sounds originating away from the earphones, and provides the near-field signal to a communication system.
Intelligent conversation control in wearable audio systems
An apparatus is configured to rest on a wearer's neck or shoulders, and has a first microphone positioned at a first position located on the right side of the wearer, when the apparatus is worn, and a second microphone positioned at a second position located on the left side of the wearer. A processor receives audio signals output by the first and second microphones, and compares the audio signals from the first microphone to the audio signals from the second microphone. Based on the comparison, the processor determines whether the wearer's head is rotated to the right, left, or center, during an instance of the user speaking. Based on the determination, the processor selects a first one of at least two audio signal destinations, and provides the audio signal from at least one of the microphones to the first selected audio signal destination.
Phase plug having non-round face profile
A phase plug having an input face circumscribed by a round profile and an output face circumscribed by a non-round profile, is described. The phase plug may include several arms radiating from a central axis and separated by radial channels extending axially from the input face to the output face. Planes containing the round profile and the non-round profile may be nonparallel, and sound ports at the output face may be asymmetrically disposed about a midline of the output face. Other embodiments are also described and claimed.
The present application discloses a speaker box. The speaker box includes a lower cover; an upper cover engaging with the lower cover for forming an accommodating space; a speaker accommodated in the accommodating space, and including a diaphragm with a dome attached to the diaphragm; a front sound cavity formed by the diaphragm and the upper cover; an air adsorbent plate attached to the dome; and an auxiliary film attached to the dome. The dome forms a through-hole communicating with the front sound cavity, and the air adsorbent plate strides over the through-hole, while the auxiliary film covers the through-hole on another surface of the dome.
A multimedia system includes at least a first pair of satellite loudspeakers for radiating left and right channel signals, the satellite loudspeakers having a first lower cutoff frequency. The loudspeaker system also includes a separate subwoofer having a first upper cutoff frequency. The first lower cutoff frequency is higher in frequency than the first upper cutoff frequency. The loudspeaker system also includes a center loudspeaker array. The center loudspeaker array radiates center channel signals, and also directionally radiates left and right channel signals in the frequency range between the first lower cutoff frequency and the first upper cutoff frequency. The multi-channel loudspeaker system may also incorporate additional satellite loudspeakers for reproduction of surround channel signals.
Speaker modules having different module housing geometries and similar acoustic properties
An array of speaker modules includes a first speaker module having at least one electroacoustic driver and a housing that together define a first acoustic cavity having a first cavity volume. The array also includes a second speaker module having at least one electroacoustic driver and a housing that together define a first enclosed volume that is greater than the first cavity volume by a first volume difference. The second speaker module includes a first internal enclosure having a first internal volume that is substantially equal to the first volume difference. The portion of the first enclosed volume that is outside the first internal volume defines a second acoustic cavity having a second cavity volume that is substantially equal to the first cavity volume. This configuration enables the performance of low frequency acoustic drivers in the speaker modules to be substantially matched without requiring complicated alternative approaches for matched performance.
System for continuous monitoring of body sounds
A wearable monitoring system includes a microelectromechanical (MEMS) microphone to receive acoustic signal data through skin of a user. An integrated circuit chip is bonded to and electrically connected to the MEMS microphone. A portable power source is connected to at least the integrated circuit chip. A flexible substrate is configured to encapsulate and affix the MEMS microphone and the integrated circuit chip to the skin of the user.
Package structure of MEMS microphone
The present invention discloses a package structure of a MEMS microphone. The package structure comprises a closed inner cavity formed by a package shell in a surrounding manner, as well as a MEMS chip and an ASIC chip which are located in the closed inner cavity, wherein a sound hole allowing sound to flow into the closed inner cavity is formed in the package shell; the MEMS chip comprises a substrate as well as a vibrating diaphragm and a back plate which are provided on the substrate; the vibrating diaphragm divides the closed inner cavity into a front cavity and a back cavity; and a sound-absorbing structure is provided in the back cavity.
Optical and RF techniques for aggregation of photo diode arrays
An active receiver structure that combines a large number of detectors without bandwidth penalty may provide a better signal-to-noise ratio (SNR) than conventional Radio Frequency over Glass (RFoG) networks. A transmission line receiver is used to combine a large number of optical detectors into a single radio frequency (RF) signal without a bandwidth penalty and a modest penalty in noise performance that results in an SNR that is much better than traditional optical combining techniques that are followed by a single detector. An optical multiplexer structure may be designed around the active splitter such that passive optical network (PON) operation is not impeded.
Optical network-on-chip, optical router, and signal transmission method
An optical network-on-chip, an optical router, and a signal transmission method. The optical network-on-chip includes: N2 intellectual property IP cores, N2/2 gateways, and N2 optical routers. The N2 optical routers form two subnets, and every N2/2 optical routers form one subnet. Each gateway in the N2/2 gateways is connected to every two IP cores in the N2 IP cores, where IP cores connected to different gateways are different, and the two IP cores connected to each gateway are in one-to-one correspondences with the two subnets. The N2/2 gateways are in one-to-one correspondences with the N2/2 optical routers in each subnet in the two subnets, where each gateway is connected to an optical router that is in each subnet and that is corresponding to each gateway.
Electronics module for coupling to a module arrangement and module arrangement
An electronics module for coupling to a module arrangement, in particular valve island, in a line-up direction, comprises a casing which comprises a front side, a back side, an upper side, a bottom side and two opposite lateral surfaces extending along the line-up direction in relation to a state mounted on the module arrangement. In the casing an electronics is accommodated and at least a first bus connection and two second bus connections are provided, which are connected to the electronics within the casing. The at least one first bus connection is arranged either on the upper side or on the bottom side, while a second bus connection is arranged on each of the lateral surfaces, respectively. A module assembly comprises a module arrangement, in particular a valve island, and an electronics module, wherein the electronics module directly abuts on the module arrangement in the line-up direction, and is detachably connected thereto in a non-destructive manner.
Systems and methods for planning, executing, and reporting a strategic advertising campaign for television
Systems and methods are disclosed for planning, executing, reviewing, and reporting the results of an advertising campaign to be run on TV. A demand-side platform receives ad slot opportunities from TV programming sources, and analyzes the ad slots to produce a prioritized list of placement opportunities for the advertising campaign to be presented to advertiser/clients. Each ad slot is analyzed with respect to past viewership data and with respect to desired targeting characteristics that may include conventional age and gender targeting, or additionally strategic targeting characteristics. Scores are established for each ad slot with respect to numbers of projected on-target impressions and/or a cost for projected on-target impressions. The scores are sorted to produce the prioritized list. Projected results can be viewed with respect to any or all of network, day, and daypart. After a campaign has completed, viewership data representing actual results is acquired, processed, and reported.
Method and device for determining redress measures for TV service outages based on impact analysis
Techniques for use in determining redress measures for a television (TV) service outage based on impact analysis are described. A TV service outage may be associated with a TV system apparatus including a TV user interface (UI). In one illustrative example, one or more subscribers impacted by the TV service outage are determined. An impact score is determined for each one of the subscribers. A redress measure for each one of the subscribers is then determined in accordance with their corresponding impact scores. An impacted subscriber and/or an impact score may be determined based at least in part on subscriber TV usage data or subscriber TV UI usage data.
Social media with optical narrowcasting
Systems and methods for using optical narrowcasting with social media applications are described herein. One system may include an optical receiver to receive optically narrowcast content extracted from an optical beam transmitted by an optical transmitter; and a first user device to capture a media representation of a real-world environment in which the optical beam is detected. The system may be configured to create an enhanced media dataset including the optically narrowcast content and the media representation; and post the enhanced media dataset on a social media platform. The system may set one or more filters to be applied to optically narrowcast content posted on the social media platform; and apply the one or more filters to the optically narrowcast content of the enhanced media dataset that is posted on the social media platform.
Meeting system that interconnects group and personal devices across a network
Systems and methods are provided for hosting collaboration between multiple clients. The system includes a network interface able to communicate with clients, and a control unit. The control unit is able to receive a screen capture that represents visual content at a display of a client, to identify multiple clients for receiving the screen capture, and to transmit the screen capture to the multiple clients for presentation at displays of the multiple clients. The control unit is further able to receive instructions in parallel from the multiple clients representing marks made upon the screen capture, and to transmit the instructions in parallel to the multiple clients to apply the marks onto the screen capture as presented at the displays of the multiple clients.
Replaying system and replaying method
A replaying system includes a playing device and a processor. The playing device is configured to play multimedia data. The processor is coupled to the playing device. The processor is configured to control the playing device to replay data from a second time stamp to a first time stamp of the multimedia data according to a first instruction corresponding to the first time stamp. The processor is further configured to release the data from being replayed according to a second instruction.
System, method, and recording medium for providing notifications in video streams to control video playback
A video stream control method, system, and a computer program product include analyzing a video stream to identify a section of the video stream where a condition will occur, delivering a notification that the condition will occur in the section of the video stream and modifying the video stream before the section of the video stream is played, and selecting a type of delivery of the section of the video stream based on a set of rules factoring the condition and user data at a time of the notification.
Masking of deceptive indicia in a communications interaction
Systems, methods, computer-readable storage mediums including computer-readable instructions and/or circuitry for masking deceptive indicia in communications content may implement operations including, but not limited to: receiving one or more signals associated with communications content provided by a first participant in a communications interaction; modifying the communications content according to at least one indicia of deception; and providing communications content modified according to the at least one indicia of deception to a second participant in the communications interaction.
Price driven multimedia content video time-bandwidth product improvement (VTBPI) reception
A customer premises equipment can include a receiver, a video demultiplexer, and an assembly engine. The receiver can receive a subscriber content price, for multimedia content, based on a scheduled lead-time of electronic delivery of the multimedia content via at least one transport provider servicing the customer premises equipment, and receive a scheduled delivery of the multimedia content within the scheduled lead-time in response to a subscriber request to deliver the multimedia content to the customer premises equipment. The video demultiplexer can demultiplex the received multimedia content and store selected demultiplexed multimedia content that is received by the customer premises equipment within the scheduled lead-time. The assembly engine can retrieve the stored multimedia content from a storage device and output retrieved multimedia content to a display device.
Determining a playback rate of media for a requester
A method, a system, and a computer program product for providing media to a requester at a particular playback rate associated with the requester. The method includes receiving a request from a requester for a playback session of media that includes a time varying content. In response to receiving the request, a profile associated with the requester is accessed to determine a playback rate of the media for the requester. In response to determining the playback rate of the media for the requester, the media is provided to the requester at the determined playback rate. The method further includes monitoring the playback session of the media for playback changes by the requester and dynamically adapting the playback rate associated with the requester based on the type and frequency of playback changes.
Adaptive media transmission processing
Provided are methods and systems for processing information. In one example method a first frame of a first group of frames of an information transmission can be processed. The first frame can be encoded without reference to other frames of the information transmission. Additionally, a second frame can be processed in the first group of frames. The second frame can be processed with reference to a frame from a second group of frames of the information transmission.
Intelligent video streaming system
A system for intelligent video streaming a video controller having at least one processor and non-transitory computer readable media having a set of instructions executable by the at least one processor to receive a playback request from a user device for a live stream, determine, from the playback request, whether source streaming content for the live stream is being transcoded, and allocate an available transcoder to transcode the source streaming content. The system further includes a transcoding having at least one processor and non-transitory computer readable media having a set of instructions executable by the at least one processor to join the multicast stream, retrieve the source streaming content, and transcode the source streaming content, and provide transcoded streaming content for delivery to the user device.
Method and system for remotely controlling consumer electronic devices
A media system replaces content in a first sequence of media content. The media system presents the first sequence of media content to an end-user and generates a fingerprint of the sequence of media content. The fingerprint is for comparison with a plurality of reference fingerprints so as to identify the first sequence of media content and determine a reference position within the first sequence of media content. The media system sends a request for a replacement sequence of content to a content replacement system, and receives replacement media content selected based on the identified first sequence of media content. The media system presents the replacement media content to the end-user instead of the first sequence of media content. Presenting the replacement media content begins at a position in the first sequence of media content that is determined based on the reference position.
Method and device for generating and detecting a fingerprint functioning as a trigger marker in a multimedia signal
A device is configured to perform a method that detects a trigger marker for an action corresponding to a segment of a multimedia signal. A fingerprint is generated based on the segment of the multimedia signal at a trigger time point. The generated fingerprint is stored in a database and communicated to the device. During playback of the multimedia signal, fingerprints of segments of the multimedia signal are generated and matched against fingerprints in the database. When a match is found, one or more associated actions for the segment are retrieved by the device. The trigger time point may be determined as a time point near or at the segment of the multimedia signal with the matched fingerprint. In this way, trigger markers for actions may be enabled without modifying the multimedia signal.
Systems, methods, and software for mobile video display and management
A system, method, and software for mobile video display and management includes acquiring a plurality of streams of video data from a plurality of cameras. The plurality of streams of video data are stored and plurality of selected streams of video data that includes at least one stream of recorded video data and at least one stream of live video data are presented in a graphical user interface of a remote device.
Providing a start trigger for a live video broadcast
The present disclosure is directed toward systems and methods for providing a start trigger for a live video broadcast. In particular, in some embodiments the systems and methods described herein provide a live video stream received from a broadcaster client device to one or more viewer client devices. Additionally, the systems and methods described herein determine whether an audience satisfies a triggering event to provide the video stream to an audience of viewers. The systems and methods provide content for a wait screen in response to determining that the audience does not satisfy the triggering event, and provide the video stream in a live broadcast in response to determining that the audience does satisfy the triggering event.
Image processing device and method
An image encoding apparatus that performs filter processing on an image using a number of taps of filter coefficients set based on an orthogonal transform size, the number of taps of filter coefficients being further set based on at least one flatness measure of the image; and encodes encode the image obtained by performing the filter processing, wherein the filter coefficients and the number of taps of filter being set concurrently.
Intra-frame pixel prediction method, encoding method and decoding method, and device thereof
Provided are an intra-frame pixel prediction method, encoding method and decoding method, and an intra-frame pixel prediction device. The intra-frame pixel prediction method comprises: defining a target template of a pixel to be predicted currently; comparing the target template with candidate templates in a search region of the frame, and determining, from the candidate templates, at least one matching template matching the target template; and based on the at least one matching template, determining a prediction value of the pixel to be predicted currently. In the intra-frame pixel prediction method in the embodiments of the present invention, the template matching is conducted by taking a pixel point as a unit, so that a pixel can be predicted accurately.
Image processing apparatus, image processing method and non-transitory computer readable storage medium
An image processing apparatus comprising a supply unit configured to supply image data one piece of pixel data at a time, and an encoding unit configured to encode the image data supplied by the supply unit, the encoding unit selecting, as prediction pixel data, locally decoded data of one pixel out of n pixels (n is an integer greater than or equal to 2) that were encoded immediately before a pixel to be encoded and have been locally decoded, and encoding a difference between the prediction pixel data and data of the pixel to be encoded, wherein the supply unit supplies pixel data to the encoding unit in a predetermined order according to which all of the n pixels are pixels that are adjacent to the pixel to be encoded.
Apparatus and method for overlapped motion compensation for video coding
A method and apparatus for overlapped block motion compensation (OBMC) for video coding are provided. A current prediction block and a plurality of adjacent prediction blocks including an above prediction block, a below prediction block, a left prediction block, and a right prediction block are received and blended to generate a blended prediction block. Weighted samples of the current prediction block are combined with corresponding weighted samples of the above and below prediction blocks to generate an intermediate prediction block. Weighted samples of the intermediate prediction block are combined with corresponding weighted samples of the left and right prediction blocks to generate the blended prediction block.
Decoding device and encoding device
According to an embodiment, a decoding device includes, an acquiring unit configured to acquire first format information, encoded data, and first filter information, the first format information indicating a resolution of a color-difference component of the encoded data; a decoding unit configured to decode the encoded data to obtain a decoded image; and a converting unit configured to convert a color-difference format of the decoded image represented by a first color-difference format by using a filter identified by the filter information.
Method and device for encoding both a high-dynamic range frame and an imposed low-dynamic range frame
The present disclosure generally relates to a method and device for encoding a frame. The method includes the steps of determining a backlight frame from the frame, calculating a residual frame responsive to the frame and the backlight frame, and predictive-encoding of the residual frame using a predictor of the residual frame calculated from an imposed frame (IMF), where the imposed frame is a low-dynamic version of the frame to be encoded. The disclosure relates also a method and device for decoding at least one bitstream representing a frame.
Method, apparatus and system for encoding and decoding the significance map for residual coefficients of a transform unit
Disclosed is a method of decoding residual coefficients of a transform unit from a bitstream of video data. The method receives the transform unit (1500) from the bitstream of video data in which the transform unit has upper (1503) and lower (1502) level square layers. The upper level layer represents a square arrangement of at most four significant coefficient group flags with each of the significant coefficient group flags representing a non-overlapping region of the lower level layer. The method determines determining the significant coefficient group flags of the square upper level layer for the received transform unit, and determines values of residual coefficients of the square lower layer according to the determined significant coefficient group flags to decode the transform unit of the bitstream of video data. Corresponding encoding methods are also disclosed.
System, method and computer readable medium for providing visual content to a user
A system for providing visual content to a user, the system includes: a memory unit for storing information representative of a large image; an input for receiving a request to view a first portion of the large image; an encoder for processing the large image in order to generate macro-blocks and for generating an MPEG compliant video stream representative of the first portion of the large image; wherein the generating includes processing the macro-blocks that form the first portion; and a transmitter for transmitting over a cable network to the user the MPEG compliant video stream.
Electronic device configured to non-uniformly encode/decode image data according to display shape
An electronic device includes an operation processor for encoding image data that is generated by capturing an object, and a communication circuit for communicating with an external device. The operation processor divides an image represented by the image data into a first region and a second region based on an information signal that is received from the external device, encode first image data corresponding to the first region by a first encoding manner, and encode second image data corresponding to the second region by a second encoding manner. An outline of the first region varies depending on a shape of a display device of the external device.
Chroma quantization in video coding
A method of signaling additional chroma QP offset values that are specific to quantization groups is provided, in which each quantization group explicitly specifies its own set of chroma QP offset values. Alternatively, a table of possible sets of chroma QP offset values is specified in the header area of the picture, and each quantization group uses an index to select an entry from the table for determining its own set of chroma QP offset values. The quantization group specific chroma QP offset values are then used to determine the chroma QP values for blocks within the quantization group in addition to chroma QP offset values already specified for higher levels of the video coding hierarchy.
Method for determining predictor blocks for a spatially scalable video codec
The invention relates to a method for determining predictor blocks of a first resolution layer image from blocks of a second resolution layer image of a spatially scalable video codec, wherein a resolution of the first resolution layer image is higher than a resolution of the second resolution layer image, the method comprising: up-scaling each block of the second resolution layer image to a corresponding block of an up-scaled second resolution layer image; and filtering each block of the up-scaled second resolution layer image by a sharpening filter to obtain a predictor block of the first resolution layer image.
Method and device for coding an image block, corresponding decoding method and decoding device
A method is described for reconstructing a current block of a current image from at least one block of a reconstructed reference image at a different size from the size of the current image. The method comprises the steps: motion compensate the reference block with at least one interpolation filter that depends on the size of said reference image and on the size of said current image, decode, for the current block, a residue block, and reconstruct the current block from the residue block and from the motion compensated reference block.
Systems and methods for dynamic calibration of array cameras
Systems and methods for dynamically calibrating an array camera to accommodate variations in geometry that can occur throughout its operational life are disclosed. The dynamic calibration processes can include acquiring a set of images of a scene and identifying corresponding features within the images. Geometric calibration data can be used to rectify the images and determine residual vectors for the geometric calibration data at locations where corresponding features are observed. The residual vectors can then be used to determine updated geometric calibration data for the camera array. In several embodiments, the residual vectors are used to generate a residual vector calibration data field that updates the geometric calibration data. In many embodiments, the residual vectors are used to select a set of geometric calibration from amongst a number of different sets of geometric calibration data that is the best fit for the current geometry of the camera array.
Method of driving a display device operably switchable between 2D and 3D display modes
A method of driving a display device operably switchable between a two-dimensional (2D) display mode and a three-dimensional (3D) display mode. The display device has four electrodes alternatively arranged between first and second substrates. The method includes applying a first voltage to the first electrodes of the first electrode structures and the second electrode structures, a second voltage to the second electrodes of the first electrode structures and the second electrode structures, a third voltage to the third electrodes of the first electrode structures and the second electrode structure; and a fourth voltage to fourth electrodes of the first electrode structures and the second electrode structure, respectively.
Apparatus and method for dual image acquisition
A dual image capture assembly for acquiring and transmitting images from a binocular scope for three-dimensional (3D) viewing on a user computing device. The dual image capture assembly includes a pair of eyepiece adaptors each configured to attach on the pair of eyepieces of a binocular scope, and a dual-camera apparatus including a pair of image capture devices respectively coupled with the pair of eyepiece adaptors. The dual-camera apparatus also includes a linker connecting the first and second camera components.
A projector includes a projection lens, a distance information acquiring section that acquires distance information relating to the distance from the projector to a projection surface, a first imaging section that captures an image of the projection surface, a second imaging section that has an angle of view wider than the angle of view of the first imaging section and captures an image of the projection surface, and a control unit. The second imaging section is disposed in a position closer to the optical axis of the projection lens than the first imaging section. The control section causes the first imaging section to capture an image in a case where the distance from the projector to the projection surface is greater than or equal to a predetermined threshold and the second imaging section to capture an image in a case where the distance is smaller than the threshold.
Stage lamp based on TCP/IP protocol and control system thereof
The present invention discloses a stage lamp based on the TCP/IP protocol and its control system. The control system comprises a control terminal and a stage lamp. The control terminal and the stage lamp access a same local area network; a lamp control operation module is installed on the control terminal, and a user controls the stage lamp by performing a corresponding operation on the stage lamp control operation module, and sends a control instruction of the operation according to an agreed data communication format to the stage lamp via wireless wifi or a wired network based on the TCP/IP protocol; and the stage lamp parses the control instruction to obtain a corresponding control signal and performs a corresponding mechanical action and light output according to the control signal. The present invention, by using communication over the TCP/IP protocol, not only features openness for convenience of expansion, operation, and maintenance, but also simplifies an operation process and decreases professional skill requirements for each operator.
Electronic device and method
An electronic device including an optical module, a method of operating the electronic device including the optical module, and a non-transitory computer-readable recording medium having recorded thereon a program for performing the method. The electronic device includes an optical module configured to project content on a projection surface and a processor configured to determine whether the electronic device is positioned within a predetermined range of a projection surface and control the optical module to project the content onto the projection surface based on the determination.
Wireless endoscope system, endoscope, display device, image transmission method, image display method, and program
A wireless endoscope system includes: a data storage unit that stores imaging data as storage data at a time at which a still image display signal is switched from a first state indicating an execution of a moving image display to a second state indicating an execution of a still image display; an image quality control unit that controls image quality of a plurality of pieces of still image data such that an image quality of a piece of still image data generated later a becomes higher; a data-selecting unit that selects the moving image data or the plurality of pieces of still image data on the basis of the still image display signal; and a transmission unit that transmits the moving image data or the plurality of pieces of still image data selected by the data-selecting unit in a wireless manner.
Automatic sensing RF combiner
An automatic RF combiner receives signals from an over-the-air antenna, a cable television signal source and at least two satellite antennae, and combines the signals for output to one or more television receivers. The combiner includes a first signal combiner connected to the input for the over-the-air antenna and the cable television signal source and providing an output signal. The output from the first signal combiner is supplied to a second signal combiner together with signal at the input for the at least two satellite antenna. A conflict module prevents conflicts from more than one antenna being connected at an input. A switch or filter is connected between the input for the over-the-air antenna and the first signal combiner, and a logic controller is connected between the input for the cable television signal source and the switch or filter that is configured and operable to open the switch or activate the filter when a signal is detected at the input for the cable television signal source, and to close the switch or deactivate the filter when no signal is detected, thereby controlling whether the over-the-air signal passes to the first signal combiner
Remote collaboration system with projector-camera based robot device and head mounted display, and remote interaction method using the same
In a remote interaction method performed by a remote collaboration system comprising a robot device and a head mounted display, the robot device is located in a remote space and comprising a projector, a panoramic camera and a high resolution camera. The head mounted display is located in a local space apart from the remote space. A communication between the robot device and the head mounted display is established based on a communication request. The remote space is observed by the head mounted display based on first image information and second image information. The first image information is collected by the panoramic camera and received from the robot device. The second image information is collected by the high resolution camera and received from the robot device. Necessary information to be provided to the remote space is searched by the head mounted display based on a result of observing the remote space. The necessary information received from the head mounted display is provided by the robot device to the remote space using the projector.
Signal processing device and method
There is provided a signal processing device including a signal generation unit that generates a control signal for controlling an imaging device connected via one cable, a signal superimposition unit that superimposes the control signal generated by the signal generation unit on a video signal received from the imaging device via the cable without an influence on display of a video corresponding to the video signal, and a transmission unit that transmits the signals superimposed by the signal superimposition unit to the imaging device via the cable.
Imaging device including pixel region having isolated region and shaded region and imaging system including imaging device
An imaging device includes a pixel region in which a plurality of pixels and a plurality of charge-to-voltage conversion circuits are arranged in matrix. The pixels include photoelectric conversion elements that output charges in accordance with intensity of received light. The charge-to-voltage conversion circuits convert the charges output from the pixels into voltage signals. The pixel region includes an isolated region including isolated shaded pixels covered with a first shading metal of the same layer as a layer of wiring metals of the charge-to-voltage conversion circuits, and an isolated pixel that is not covered with the metal. All the pixels surrounding the isolated pixel in the isolated region are the isolated shaded pixels.
Timestamp calibration of the 3D camera with epipolar line laser point scanning
Using the same image sensor to capture a two-dimensional (2D) image and three-dimensional (3D) depth measurements for a 3D object. A laser point-scans the surface of the object with light spots, which are detected by a pixel array in the image sensor to generate the 3D depth profile of the object using triangulation. Each row of pixels in the pixel array forms an epipolar line of the corresponding laser scan line. Timestamping provides a correspondence between the pixel location of a captured light spot and the respective scan angle of the laser to remove any ambiguity in triangulation. An Analog-to-Digital Converter (ADC) in the image sensor operates as a Time-to-Digital (TDC) converter to generate timestamps. A timestamp calibration circuit is provided on-board to record the propagation delay of each column of pixels in the pixel array and to provide necessary corrections to the timestamp values generated during 3D depth measurements.
Solid-state imaging device, image reading device, and image forming apparatus
A solid-state imaging device includes: a valid area including pixels that are not shielded from light; a first light-blocked area and a second light-blocked area each including pixels that are shielded from light; an analog-to-digital converting unit to convert the electric charge accumulated by the pixels belonging to the first light-blocked area, the valid area, and the second light-blocked area, to image data at a time; a signal reading unit to read light-blocked data obtained from the first light-blocked area and the second light-blocked area, and valid data obtained from the valid area, in units of pixels; a reference black level estimating unit to estimate a reference black level of the light-blocked data; and a level correction unit to correct, based on the estimated reference black level, a size of the valid data obtained simultaneously with the light-blocked data used in estimating the reference black level.
Image sensors having extended dynamic range
In various embodiments, an electronic image sensor having extended dynamic range comprises, for example, a pixel circuit and a column readout circuit. The column readout circuit includes, for example, a correlated double-sampling (CDS) capacitor, one or more CDS clamp switches, a single slope analog-to-digital converter (ADC) circuit, and a column memory. Other devices and methods are disclosed.
Camera sensor with event token based image capture and reconstruction
The subject matter described herein includes a camera sensor with event token based image capture and reconstruction. The sensor includes a photodetector for capturing light from a portion of a scene and for producing a signal indicative of the light. An integrator is coupled to the photodetector for accumulating charge resulting from the signal output by the photodetector and can be reset each time the charge reaches a predetermined level. An in-pixel processor is coupled to the integrator for resetting the integrator and generating an event token each time the predetermined level of charge is accumulated. A communication pipeline communicates the event tokens for downstream processing. A postprocessor is coupled to the pipeline for receiving the event tokens and for determining output intensity for the portion of the scene being reconstructed based on a number of reset events and a time between at least two of the event tokens.
Wearable apparatus with integrated infrared imaging module
Various techniques are disclosed for providing a wearable apparatus having an integrated infrared imaging module. In one example, a wearable apparatus implemented as a self-contained breathing apparatus (SCBA) may include a shield to protect a user from an external environment, one or more infrared imaging modules, a projector, a processor, and a communication module for projecting a user-viewable thermal image onto a surface of the shield. Such infrared imaging modules may be positioned internal to the SCBA for protection from a hazardous external environment. In another example, a wearable apparatus implemented as a welding mask may include one or more infrared imaging modules, a projector, a processor, and a communication module, so as to project a user-viewable thermal image onto a surface of a shield of the welding mask, while at the same time protecting these components and the welder's face from a harsh welding environment.
Electronic device and method for controlling the electronic device
An electronic device and a method for controlling thereof are provided. The device includes a light emitter, an image sensor including first pixels controlled based on a first parameter and second pixels controlled based on a second parameter, a sensor, and a processor. The processor detects a first object and a second object in an image area, determines the first and second parameters based on a first property of the first object and a second property of the second object, said determination is based on a light intensity that is outputted from the light emitter and reflected by the first and second objects, acquires a first image of the first object according to the first parameter and a second image of the second object according to the second parameter, and synthesizes a first area corresponding to the first object with a second area corresponding to the second object.
Shading object, intelligent umbrella and intelligent shading charging system integrated camera and method of operation
An intelligent shading umbrella comprises a base assembly, a stem assembly coupled to a base assembly, and a center support assembly coupled to a stem assembly, the center support assembly comprising one or more arm support assemblies. The intelligent shading umbrella further comprises one or more blades, coupled to the arm support assemblies, a shading fabric, coupled to at least the one or more blades; and a camera, the camera to capture images of an area in proximity to the intelligent shading umbrella. The camera may be located in the center support assembly and the center support assembly may rotate with respect to the base assembly, allowing the camera to capture a variety of images of an area in proximity to the intelligent shading umbrella.
Methods and systems for sharing views
A method at a first device with a display includes: receiving image information from a camera device, the image information corresponding to a first field of view associated with the camera device; receiving sensory information from a second device, the sensory information corresponding to a second field of view associated with the second device; and displaying on the display the image information and a visualization of at least one of the first field of view and the second field of view.
Display system for machine
A display system for displaying image data of an environment of a machine includes a display screen and a plurality of imaging devices communicably coupled to the display screen. Each of the plurality of imaging devices generates image data of the environment of the machine and has an associated operating parameter. The plurality of imaging devices stores the image data in an uncompressed form. The plurality of imaging devices compresses the image data and generates signals indicative of the compressed image data. The plurality of imaging devices receives the operating parameter associated with at least one another imaging device. The plurality of imaging devices transmits the compressed image data to the display screen based on the associated operating parameter and the received parameter of the at least one another imaging device. The plurality of imaging devices displays an image on the display screen based on the transmitted image data.
Single piece optical image stabilization actuator coil assembly
In some embodiments, an image sensor mechanically coupled to a base of a camera module. A coil assembly is mechanically coupled to the base of the camera module. The coil assembly includes terminals for connections to respective ones of coils through leads routed through thin areas leading to coil housings. The coils include optical image stabilization coils mounted perpendicular to the image sensor on each of a plurality of faces of the camera actuator module.
Electronic device and method for controlling image shooting and image outputting
The present disclosure relates to an electronic device, and particularly, to an electronic device and a method for controlling image shooting and image outputting. To this end, the present disclosure provides a method for controlling image shooting and image outputting in an electronic device. The method includes: determining whether the electronic device is in an image shooting or image outputting; and controlling a function associated with the determined image shooting or image outputting to be performed through a single lens contained in the electronic device.
An induction-powered camera capable of being installed external to a building without any building alterations is described. The induction-powered camera may include a continuous power source. The induction-powered camera may transmit one or more images to a control panel associated with security and/or automation systems. The induction-powered camera may be movable and/or removable with undue burden. An apparatus for a security and/or automation system is described. The apparatus may include a first half of the apparatus and an electricity transmission unit positioned within the first half. An electricity receiving unit may be positioned a predetermined distance away from the electricity transmission unit. The electricity receiving unit proximate a second half of the apparatus and a camera may be proximate the second half of the apparatus, the camera powered by the electricity receiving unit.
Video generating system and method thereof
A video generating system includes: a storage device, a camera device, and a processor. The camera device obtains a 360-degree panoramic video. The processor determines a plurality of meaningful angles of the 360-degree panoramic video, separates the 360-degree panoramic video into a plurality of durations according to the meaningful angles, and generates a normal video according to the durations associated with the meaningful angles. Each duration corresponds to one of the meaningful angles.
Enablement and disablement of cameras
Examples of an apparatus, method, and instructions included on a machine-readable non-transitory storage medium are disclosed herein. In an example of the method, a first state is provided to enable a camera to record an image, a second state is provided to disable the camera, and a third state is provided to permit the camera to be enabled and disabled. Also in this example of the method, a button is actuated in the third state to an on position to enable the camera to record an image or an off position to disable the camera. Additionally in this example of the method, a signal is generated via an input device in the on position of the button to enable the camera to record an image or disable the camera.
Thin multi-aperture imaging system with auto-focus and methods for using same
Dual-aperture digital cameras with auto-focus (AF) and related methods for obtaining a focused and, optionally optically stabilized color image of an object or scene. A dual-aperture camera includes a first sub-camera having a first optics bloc and a color image sensor for providing a color image, a second sub-camera having a second optics bloc and a clear image sensor for providing a luminance image, the first and second sub-cameras having substantially the same field of view, an AF mechanism coupled mechanically at least to the first optics bloc, and a camera controller coupled to the AF mechanism and to the two image sensors and configured to control the AF mechanism, to calculate a scaling difference and a sharpness difference between the color and luminance images, the scaling and sharpness differences being due to the AF mechanism, and to process the color and luminance images into a fused color image using the calculated differences.
Identifying a focus point in a scene utilizing a plurality of cameras
A method, system, and computer program product to obtain a focus point of a current scene. The method includes performing a first focus procedure in a first direction via a main lens of a main camera of an image capturing device having at least two cameras. The method further includes concurrently performing a second autofocus procedure in a second direction that is opposite the first direction via at least one auxiliary lens of at least one auxiliary camera. The method further includes identifying a focus point within autofocus data collected during the first and second focus procedure. The method further includes, in response to determining the focus point was identified by the at least one auxiliary camera: terminating the first focus procedure; and automatically synchronizing a position of the main lens to that of the at least one auxiliary lens.
Unmanned aerial vehicles, videography, and control methods
Videography of climbing surfaces and improved positional control of unmanned aerial vehicles (UAV) are disclosed. Currently, videography using UAVs (e.g. drones) avoid vertical structures. Rather, such drones are designed to navigate open aerial spaces. For example, UAVs often include sensors and piloting programming to avoid vertical walls. In climbing scenarios, however, a UAV provides improved videography of the vertical surface as described herein. As such, attributes of a vertical, semi-vertical, or non-uniform vertical surface can be recognized by a UAV. These surface attributes can be used to pilot and/or control a UAV. In certain embodiments, a transmitter is disposed on the climber, a normal climbing surface vector is determined, and UAV control settings are generated thereby to position the UAV. And, improved communication can be provided so as to relay real-time video capture of climbing activity to one or more persons on the ground.
Mobile-based personal content protection apparatus and method thereof
Provided are a mobile-based personal content protection apparatus and method, in which a user sets a mobile terminal to prevent another user from photographing and using personal content with a camera included in the mobile terminal. The mobile-based personal content protection apparatus may include a camera view estimator, a peripheral information receiver, a personal content detector, and a personal content masking unit. A view which is to be photographed by a user is estimated in a space where photographing is allowed by using sensor information included in a mobile terminal, information about whether to allow photographing by each mobile device is collected by cooperating all mobile terminals in a camera view, and a disallowed area is masked in photographing, thereby fundamentally protecting personal content.
Camera module with heat dissipation arrangement and manufacturing method thereof
A camera module includes an optical lens unit and a light sensing unit. The light sensing unit is provided along a light outgoing path of the optical lens unit so that the light sensing unit is able to sense light emitted from the optical lens unit. The light sensing unit further includes a photoelectric converting element and a conducting unit connected to the photoelectric converting element. The conducting unit transfers electrical signals converted and generated during operation of the photoelectric converting element, and conducts heat generated during operation of the photoelectric converting element outside.
Image processing apparatus, image processing method, and program
The image processing apparatus (10) includes an image matching unit (14) that performs a process of matching a positional relationship between read image data which is any one of the first read image data (24) and second read image data obtained by color conversion of the first read image data (24) and original document image data (20) of the target printed matter (22); a statistical processing unit (16) that generates statistical information that reflects a distribution of read image signal values of the read image data in each image region of the read image data corresponding to an image region having the same original document image signal values in the original document image data (20); and a mismatching detection unit (18) that detects color mismatching between the original document image data (20) and the target printed matter (22) on the basis of the statistical information.
Content transmitting method and apparatus therefor
A method for transmitting content and an apparatus therefor are provided. The apparatus includes a transceiver configured to transmit content to an external source, a display configured to display receiver information about the content, and a user interface (UI) element, a memory configured to store identification information of the electronic apparatus, and at least one processor configured to generate a code comprising the identification information, based on a user input of selecting the UI element, receive the receiver information from an external device, and control the display to display the receiver information on the display. The electronic apparatus can use address information stored in the external device, without a separate communication setting with the external device that provides the receiver information.
Image reading device, image forming apparatus, and method for controlling image reading device
An image reading device includes a contact glass, a first lamp, an image sensor, a first lamp, a light absorbing member, and a second lamp. When reading a document, in a first period, the first lamp is turned on while the second lamp is turned off. In a second period, the second lamp is turned on while the first lamp is turned off. On the basis of first image data obtained by reading in the first period and second image data obtained by reading in the second period, the control unit determines whether each pixel in the first image data is a pixel having read document data or not.
Image forming apparatus calculating movement of recording medium
An image forming apparatus includes: a conveying path on which a recording medium is conveyed; an image capturer that includes a light source and radiates light from the light source to capture the recording medium being conveyed at different timings to generate at least two images including a first image and a second image; and a movement amount calculator that calculates a movement amount of the recording medium between capturing timings of the first and second images, wherein the movement amount calculator: calculates an index distance which is a distance in a conveying direction of a pattern formed by reflected light from the recording medium; calculates a ratio between the index distance and a reference distance used for comparison with the index distance; and calculates a movement amount of the recording medium between the capturing timings of the first and second images.
Method and device for changing display language of application
An imaging device includes an information processing terminal acting as an operation unit and a main unit implementing an imaging function. The information processing terminal includes: a language acquisition unit configured to obtain a predetermined selectable language of an operating system and a language of a character string added to an application program by a terminology module; a display unit configured to display the predetermined selectable language of the operating system and the language of the character string added to the application program by the terminology module, as a list of selectable language candidates, on a language setting screen provided to a user to select a display language of the operating system; and a language setting unit configured to change the display language of the operating system into the language selected from the list of the selectable language candidates by the user.
Input device, image forming apparatus, and non-transitory computer readable medium
An input device includes a display on which an operation screen is displayed, at least one protrusion displayed along an outer edge of the display, and a detector in which a display region of the display is set as a detection region. In a case where a continuous operation input in a direction provided with the protrusion is detected, a function corresponding to the continuous operation input is enabled faster than in a case where a continuous operation input in a direction different from the direction is detected.
Mobile cloud-based registration ssytem
Allowing for event attendees to print customized event badges may include receiving registration information associated with a particular attendee of a specified event. In response to receiving the registration information, a confirmation message that includes at least one user-selectable link is sent to the particular attendee. In response to interaction with the user-selectable link, information associated with an individual attempting to print a badge associated with the specified event is received. Based on the received information, the individual is determined to be the particular attendee. In response to determining, a user interface that allows for selecting a particular printer to be used for printing the customized event badge associated with the particular attendee is provided. A selection of the particular printer to be used for printing the customized event badge associated with the particular attendee is received. The customized event badge at the particular printer is printed.
Image handling apparatus, image processing system, image process controlling method, and image process controlling program product
An image handling apparatus is disclosed, including an operation panel, hardware resources, a transferring part, and an image generation controlling part. The transferring part transfers image handle information input at the input screen to an external apparatus. The image generation controlling part receives and parses image generation information for at least one of the hardware resources to execute an image generation based on the image handle information, from the external apparatus in response to an instruction of the image generation, so that at least one of the hardware resources executes the image generation.
Systems and methods for providing renewable wireline and wireless services and goods
Methods for provisioning wireline or wireless services and goods to at least one prepaid or postpaid customer in a communications network are provided. In one such method, a request is received for at least one service or good from a prepaid customer and it is determined based upon the request if sufficient funds are available to pay for the requested service and, if not, a warning message is sent to the customer. If funds are available a payment for the requested service or good is deducted from the customer's account, the account balance is updated, and an authorization is sent to the service node that facilitates the requested service or good. Upon receipt of the authorization, the service node is permitted to access the requested service or good in accordance with a parameter. Other similar methods are provided for postpaid customers.
Network resources brokering system and enforcement function network entity
The disclosure relates to a network resources brokering system, comprising: a communication network with at least one enforcement function for preferential treatment and charging; and a brokering entity, configured to receive requests from a plurality of network entities for providing preferential treatment during usage of chargeable resources within a predefined charging period, each request comprising an electronic bid value competing with other network entities for preferential treatment during the usage of chargeable resources in the charging period, wherein the brokering entity is configured to rank each network entity from the plurality of network entities into one of a multiplicity of success classes based upon their electronic bid values offered and to interwork with the at least one enforcement function for preferential treatment and charging.
A telecommunication network 30 for telecommunications between telecommunication end point devices 36,37,38, such as telephones or video phones, the telecommunication network 30 comprising a plurality of telecommunication device control systems 40 implemented by a computer system. Each telecommunication device control system 40 is shared by telecommunication end point devices 36,37,38 allocated to it and is configured to control communication connections involving telecommunications originating from telecommunication end point devices 36,37,38 allocated to it and other telecommunication end point devices. At least some functionality of the plurality of telecommunication device control systems 40 is shared by at least some parts of the computer system.
System and method for unified calling
Systems and methods for unified calling are disclosed. According to one embodiment, the method may include (1) using a soft phone application executed by a computer processor, communicating, to a telephony server, an agent status indicating a readiness of the agent to manually make a telephone call; (2) receiving, on a computer terminal, an indication of a telephone number to call; and (3) manually dialing the telephone number using a telephone. The soft phone application emulates an analog connection with the telephony server.
Method and system for group communication across electronic mail users and feature phone users
Method and system for group communication across electronic mail users and feature phone users. A method for receiving electronic mails on a feature phone includes receiving a text message on the feature phone in response to a first electronic mail. The method also includes calling a telephonic number embedded in the text message to listen to an audio clip of the first electronic mail and providing a voice input as a response to the first electronic mail. The system includes a feature phone that receives a plurality of electronic mails. The system also includes one or more electronic devices, and a communication interface in electronic communication with the feature phone and the one or more electronic devices. The system further includes a memory that stores instructions, and a processor responsive to the instructions to receive a text message in response to an electronic mail transmitted by an electronic mail user.
Echo path change detector
An echo path monitoring system for controlling an adaptive filter configured to estimate an echo of a far-end signal comprised in a microphone signal, the system comprising a comparison generator configured to compare the microphone signal with the estimated echo to obtain a first comparison and compare an error signal, which represents a difference between the microphone signal and the estimated echo, with the estimated echo to obtain a second comparison, and a controller configured to combine the first and second comparisons to form a parameter indicative of a state of the microphone signal and, in dependence on said parameter, control an operating mode of the adaptive filter.
Displaying relevant user interface objects
Techniques for displaying relevant user interface objects when a device is placed into viewing position are disclosed. The device can update its display in response to user input. Display updates can be based on a logical arrangement of user interface information along a z-axis.
Screen interface for a mobile device apparatus
In various embodiments, different mobile phone apparatuses are provided, comprising: a touchscreen a near field communication interface; at least one non-transitory memory storing instructions; and one or more processors in communication with the touchscreen, the near field communication interface, and the at least one non-transitory memory, wherein the one or more processors execute the instructions to initiate various capabilities and/or functionalities in connection with a lock screen displayed on the touchscreen.
Lock screen interface for a mobile device apparatus
In various embodiments, different mobile phones are provided, comprising: a touchscreen including a backlight; a near field communication interface; at least one non-transitory memory storing instructions; and one or more processors in communication with the touchscreen, the near field communication interface, and the at least one non-transitory memory, wherein the one or more processors execute the instructions to initiate various capabilities and/or functionalities in connection with a lock screen displayed on the touchscreen.
Software upgrade in a home network using lower layer messaging
Principles, apparatuses, systems, circuits, methods, and computer program products for performing a software upgrade in a MoCA network includes receiving an image of a software upgrade at a server and sending the image in the MoCA network using an L2ME message channel to a client that is enabled to receive the image and store the image in a client memory. The image may be broken up into packets, and a sequence number may be assigned to each packet to assist the client in assembling them. CRC information may also be appended to the packets to enable the client to verify their contents.
System and method for testing applications with a load tester and testing translator
According to one embodiment, the invention comprise a Translation Tool, that translates messages in a client/server system into a form compatible with a Load Testing Tool, which are used to create a script for the Load Testing Tool. The Load Testing Tool utilizes the script created with the messages converted by the Translation Tool to generate emulated messages to test and evaluate the performance of the client/server system. The Translation Tool (possibly the same as the first translator) translates the messages generated by the Load Testing Tool into a form compatible by the client/server system.
Sharing in an augmented and/or virtual reality environment
In a system and method for sharing items in an augmented and/or virtual reality environment, selected virtual items may be virtually propelled using, for example, a tossing or throwing motion, to a target recipient, so that the selected item may be shared with the target recipient without direct physical and/or virtual contact with the target recipient. Movement of a user's hand may be detected and tracked, so that the intended target recipient for the shared item may be identified based on a projected trajectory of a throwing motion of the user's hand. Associations between the user and different target recipients may cause different possible target recipients to exhibit different attractive forces, or different levels of magnetism, for particular items being tossed or thrown by a user for sharing, to further differentiate between the possible target recipients, and resolve recipient ambiguity.
Information processing apparatus, control method, and recording medium
An information processing apparatus instructs a plurality of print plug-ins having at least a printer search function to search for a printer and displays, if the plurality of print plug-ins are instructed to perform the search, a first screen which includes (1) a printer detected by search processing performed by the plurality of print plug-ins instructed to perform the search and includes (2) an object for shifting to a second screen but does not include (3) a link to a download page of a print plug-in that is not installed, and displays, in response to an instruction given to the object in the first screen, the second screen which includes (3) the link to the download page of the print plug-in that is not installed.
System and method to support codec delivery models for IMS networks
An architecture (system) and method is provided for transcoding codec information to be sent in a Session Initiation Protocol (SIP) signaling stream for rendering rich digital media content. The method is implemented on a computer infrastructure and includes: determining a codec associated with content to be sent to one or more requesting devices; determining that at least one of the one or more requesting devices do not have the codec associated with the content to be sent to the one or more requesting devices; providing codec information to the at least one of the one or more requesting devices; and sending the content to the one or more requesting devices.
Scaling cloud rendezvous points in a hierarchical and distributed manner
A method implemented in an inter-provider cloud rendezvous point (CRP-IP). The method includes receiving, via a receiver of the CRP-IP, a Register request from a first service provider cloud rendezvous point (CRP-SP) in a first service provider (SP) network domain, the Register request indicating a first portion of a virtual extensible network (VXN) with a global scope is hosted by the first SP network domain; and transmitting, via a transmitter of the CRP-IP, a Report message to a second CRP-SP in a second SP network domain hosting a second portion of the VXN, the Report message indicating the first portion of the VXN is hosted by the first SP network domain.
Priority-driven boxcarring of action requests from component-driven cloud applications
Improved perceived load time for browser and mobile application pages is achieved by adjusting boxcarring of action requests from coupled data consuming applications on the user device, using the priority level of regions and components in component-driven cloud applications. Priority labels differentiate among display regions rendered by the data consuming application and the priority labels further differentiate among components within respective display regions. The middleware application batches the action requests into batches based at least in part on the priority labels, into boxcars segregated by priority label according to a predetermined segregation schedule, and dispatches the boxcars of batched action requests to the server. Performance is also dynamically speeded up, by adjusting inter-boxcar intervals used to dispatch batches of action requests from the user device to a production server, based on the dynamically measured network communication latency between the user device and the server.
Page redirection method, routing device, terminal device and system
A page redirection method, a routing device, a terminal device and a system. The routing device receives based on a first access request sent a first access response fed back by a network server; according to a redirection determination indication, modifies a return code of the first access response and adding at least one second access address of a redirected-to page and the first access address to the first access response; and sends the first access response on which redirection processing is performed to the terminal device, so that the terminal device sends a second access request according to the modified return code, and the terminal device opens, according to a second access response returned for the second access request, the page that a user needs to access and the redirected-to page.
Managing contact status updates in a presence management system
A system configured to perform operations to receive, via a network communication interface, an indication of a power event occurring at a first device. The first device is for an online identity. The power event causes the first device to switch from an external power source to an internal battery. The first device represents that the online identity is online while the first device receives power from the internal battery. The system is further configured to perform operations to hold, at a second device, at least one status update for an online contact of the online identity while the first device receives power from the internal battery. Furthermore, the system is configured to perform operations to release, for transmission to the first device, the at least one status update in response to determining that the first device switches back to the external power source.
Systems and methods for caching of managed content in a distributed environment using a multi-tiered architecture including off-line access to cached content
Embodiments as disclosed provide a distributed caching solution that improve the performance and functionality of a content management platform for sites that are physically or logically remote from the primary site of the content management platform. In particular, according to embodiments, a remote cache server may be associated with a remote site to store local copies of documents that are managed by the primary content management platform. Periodically, a portion of the remote site's cache may be synchronized with the content management platform's primary site using an extensible architecture to ensure that content at the remote cache server is current.
System and method for securing pre-association service discovery
A method for operating a station when discovering a service includes generating a first identifier of the service, generating a second identifier of the service in accordance with a first parameter, and transmitting a request instructing a generating of a third identifier, the request including the first identifier of the service and the first parameter. The method includes receiving a first response including the third identifier, determining that the first response is not valid when the second and third identifiers are not equal, and determining that the first response is valid when the second and third identifiers are equal.
Mitigation of processing loops in a communication network
Aspects of the disclosure relate to error prevention in a communication session traffic environment. One or more embodiments of the disclosure relate to mitigation of processing loops during establishment of a communication session in a network. A network node at the boundary of the network can mitigate processing loops by monitoring formation of such loops and proactively terminating communication processing in response to expiration of a timer. The timer can be initiated in response to formation of a loop.
Maintaining distributed state among stateless service clients
Techniques for managing distributed state for stateless transactions are disclosed herein. In some embodiments a distributed state manager detects a state-changing event that corresponds to a stateless transaction between a node and an application server. The stateless transaction is generated from a first instance of an application that is executing on the node and hosted by the application server. The distributed state manager records the event in a blockchain comprising blocks that each record a batch of one or more events associated with execution of the application. The distributed state manager detects an update to the blockchain associated with the recorded event and modifies a state of a second instance of the application executing on at least one other node based, at least in part, on the update to the blockchain.
Security monitor for a vehicle
A method and system for securing a controlled area network (CAN) of a vehicle is disclosed, where the CAN has a number of electronic control units (ECUs) that control vehicular systems. An on-board diagnostic port of the vehicle is monitored for suspicious activity which does not fit within the baseline profile of the destination ECU. If suspicious activity is detected, countermeasures are taken to minimize harm, such as placing the vehicle in safe mode, reducing the functionality or disabling non-critical ECUs, resetting the targeted ECU, and notifying the driver and non-targeted ECUs.
Methods and systems for determining performance capacity of a resource of a networked storage environment
Methods and systems for a network storage environment are provided. One method includes retrieving stored performance data associated with a resource used in the networked storage environment, where the stored performance data includes latency data, utilization data and a service time; filtering the stored performance data by removing any observations that are beyond a certain value of the service time; grouping the filtered stored performance into utilization bins and identifying a representative of each utilization bin; generating by the processor a hybrid latency versus utilization curve comprising a first portion that is based on the representative of each utilization bin and a second portion generated using a model based technique and determining by the processor available performance capacity of the resource using the hybrid latency versus utilization curve; where the available performance capacity is based on optimum utilization of the resource and actual utilization of the resource.
Gateway management using virtual gateways and wildcards
Systems, methods, and media for managing gateways. In an embodiment, a virtual gateway is generated which comprises a representation of each of one or more active scripts and/or device information (e.g., device drivers, and/or definitions and/or configurations for devices, device types, and/or device groups) stored on at least one remote physical gateway. At least one user interface is provided for editing each of the one or more active scripts and/or device information represented in the virtual gateway. Synchronization is automatically maintained, across at least one network, between the one or more active scripts and/or device information represented in the virtual gateway and the one or more active scripts and/or device information stored on the at least one remote physical gateway.
A system is described to create and transmit a streamable ZIP file container. The streamable ZIP file container contains stream metadata, files, and a central directory. The stream metadata, files, and central directory can be saved in a contiguous stream without any intervening bytes. When the streamable ZIP file container is read by a client device that supports streamable ZIP file containers, the client device can exit the data stream without receiving the central directory. Interruptions during transmission of the ZIP file container can be resumed.
Multi-domain configuration handling in an edge network server
An Internet infrastructure delivery platform operated by a provider enables HTTP-based service to identified third parties at large scale. The platform provides this service to one or more cloud providers. The approach enables the CDN platform provider (the first party) to service third party traffic on behalf of the cloud provider (the second party). In operation, an edge server handling mechanism leverages DNS to determine if a request with an unknown host header should be serviced. Before serving a response, and assuming the host header includes an unrecognized name, the edge server resolves the host header and obtains an intermediate response, typically a list of aliases (e.g., DNS CNAMEs). The edge server checks the returned CNAME list to determine how to respond to the original request. Using just a single edge configuration, the CDN service provider can support instant provisioning of a cloud provider's identified third party traffic.
Distribution control system, distribution system, distribution control method, and computer-readable storage medium
A distribution control system is connected to one or more communication terminals that output image and/or sound data indicating at least one of an image and sound and transmits the image and/or sound data to the communication terminals. The distribution control system includes a browser management unit configured to start up a browser appropriate for the communication terminals; a browser configured to generate the image and/or sound data by rendering content data; and a transmitter configured to transmit the image and/or sound data to the communication terminals. The browser management unit is configured to start up the browser for open use when outputting the image and/or sound data permitted to be open to the other communication terminals. The browser management unit is configured to start up the browser for personal use when outputting the image and/or sound data not permitted to be open to the other communication terminals.
Method, system and apparatus for the transmission and adaption of data
A method for the transmission and adaption of data can include the steps of generating generic requirement documents, identifying a plurality of suitable communication patterns on the basis of the generic requirement documents, determining currently available transport options and their service quality across at least one communication network, and selecting a communication pattern from a plurality of suitable communication patterns based on the network transmission qualities of the at least one communication network. The method can utilize a first functional layer and a second functional layer that are integrated between a software application layer and a network access layer that each receive input documents that are independent of each other. The input documents of the second functional layer can contain transport-related information while the input documents of the first functional layer can contain application-related information. Systems and devices can be configured to facilitate use of embodiments of the method.
Hybrid media stream delivery using multiple network connections
Example methods, systems, and machine-readable mediums to facilitate a hybrid media stream delivery using multiple network connections are disclosed. An example method may include receiving, from a destination device, a request for data to be delivered to the destination device over one of a network pathway or a satellite pathway. The method may further include determining a first cost of transmission of the data over the network pathway to the destination device and determining a second cost of transmission of the data over the satellite pathway to the destination device. The method may then determine a least costly pathway for transmission of the data between the network pathway and the satellite pathway using the first cost and the second cost and transmit the data over the least costly pathway of the network pathway and the satellite pathway to the destination device.
Streaming media optimization
Disclosed are various embodiments for a streaming media application. Media blocks of a media stream may be buffered at a quality level determined by an amount of available bandwidth. When excess bandwidth is made available, a higher quality replacement for a buffered media block may be obtained concurrent to streaming the media blocks. The replacement media block then replaces the lower quality media block in the buffer such that the higher quality replacement media block is rendered.
Proximity service signaling protocol for multimedia broadcast multicast service operations
Methods, systems, and devices are describe for signaling protocols for proximity service functions in a wireless communication system. A first wireless device may identify a group identity parameter associated with a multicast transmission of multimedia content. The first wireless device may map the identified group identity parameter to an identification parameter associated with at least one proximity service (ProSe) relay wireless device. The first wireless device may receive the multicast transmission of the multimedia content via the at least one ProSe relay wireless device based on the mapping of the identified group identity parameter to the identification parameter.
Discovery playlist creation
One embodiment provides a non-transitory medium containing computer program code that performs an operation that includes retrieving, for each of two or more identified users, a respective musical preferences model representing a plurality of acoustical characteristics of musical content determined based on preferences of the respective user. Additionally, the operation includes generating a common musical preferences model representing a set of common acoustical characteristics of musical content for the two or more identified users, based on the musical preferences models for each of the two or more identified users. The operation also includes identifying a library of available musical content. Furthermore, the operation includes creating a playlist of two or more musical selections from the library of available musical content, based on the common musical preferences model.
Method and device for establishing channel
Embodiments of the present disclosure provide a method and a device for establishing a channel, capable of reducing data transmission path length when two WEBRTC terminals transmit data based on an IMS network, reducing network delays, and reducing load of a media gateway device. The method includes: receiving, by a WEBRTC signaling gateway device, a session request message transmitted by a WEBRTC terminal serving as a calling terminal, where the session request message comprises an identifier of a called terminal, determining that the called terminal is a WEBRTC terminal according to the access mode in which the called terminal accesses a WEBRTC signaling terminal, and transmitting the session request message to the called terminal via the WEBRTC signaling gateway device accessed by the called terminal, to enable the calling terminal to establish an end-to-end media channel between the calling terminal and the called terminal according to the session response message.
Intelligent controlled-environment facility resident communication and media device interfaces with multitasking
A controlled-environment facility resident interface runs on top of, or as part of, an operating system of a controlled-environment facility resident communication and/or media device. Application programs (apps) available for use by a resident of the controlled-environment facility operating the device are presented on the device, via the interface. The interface may provide functionality to enable switching between apps by the resident, such as selectable open application program indicator(s) displayed on a screen of the device, and/or the interface may assign a function to device hardware button(s) to provide a mechanism for switching between apps. The app switching functionality may also resolve conflicts between apps for device resources and apply such resolutions as a result of the resident switching between apps. Also, the resident may be logged into one or more resident-selected apps using stored app login information for resident-selected apps in the interface, in combination with identity verification.
Natural language dialog-based security help agent for network administrator
Network management technology as disclosed herein conducts conversational natural language dialog with a user to facilitate the user's analysis of network activity and the implementation of network security measures and other actions in furtherance of network operations, management, or security.
Information infrastructure management data processing tools with tags, configurable filters and output functions
Method of organizing and storing data in an information infrastructure by either processing data throughput or a method for processing data throughput or data mining in a distributed computing system works using a tagging routine. The system and method operates on sensitive content (e.g., trade secrets) or select content (e.g., critical content) and applies configurable filters (expanding, contracting, hierarchical/orthogonal classifier filters) to separate and store sensitive/select data in designated, distributed data stores or to supplement data collections. Sensitive/select data stores may have security clearance requirements. Data output is controlled to provide one or more of storage in predetermined data stores, data mining, coping, transfer to other storage sites, supplemental data searches, and presentation subject to data inquiry.
System and method of pre-establishing SSL session connections for faster SSL connection establishment
An appliance and a method of pre-establishing SSL session connections for SSL connection establishment are provided. The appliance comprises a secure session pre-handshake establishment module configured to facilitate a secure session connection between an appliance and a server associated with a website, wherein the facilitation causes the appliance to receive session information, determine whether session information corresponding to the secure session connection request has been cached, determine whether the server is associated with a server group based on the determination that session information has not been cached, and form secure session connections between the appliance and servers listed in the server group based on the determination that the server is associated with a server group.
Apparatus, system, and method for protecting against denial of service attacks using one-time cookies
The disclosed apparatus may include (1) a storage device that stores a set of cookies that facilitate authenticating packets received from a node within a network and (2) a processing unit communicatively coupled to the storage device, wherein the processing unit (A) receives at least one packet from the node, (B) identifies a cookie included in the packet received from the node, (C) searches the set of cookies stored in the storage device for the cookie included in the packet received from the node, (D) identifies, during the search of the set of cookies, the cookie included in the packet and (E) protects against a DoS attack by authenticating the legitimacy of the packet based at least in part on the cookie included in the packet being identified in the set of cookies stored in the storage device. Various other apparatuses, systems, and methods are also disclosed.
Web service testing
Disclosed is a computer-implemented method and system of inferring a web service infrastructure from a web service hosted on a web server. The method includes: downloading a web service description language (WSDL) file describing the web service from a location on the web server identified by a uniform resource locator (URL); identifying at least one of a web service design technology and a web service design technology provider from character strings indicative of the technology and implementation, respectively, in at least one of the URL and WSDL file; and inferring the web service infrastructure from the identified web service design technology and web service design technology provider. A computer program product having aspects of the method as program code is also disclosed.
Generating analytical data from detection events of malicious objects
A security server tracks malicious objects detected by malware detection applications that scan for malicious objects on clients. The security server also receives client information from the clients indicating client states. The client state describes one or more protection applications executing on the client that seek to identify and prevent malicious objects from taking malicious actions based on real-time monitoring. Thus, the security server may identify when the protection application fails to detect a malicious object. In addition, the security server maps detection events of malicious objects with corresponding client states to generate aggregate detection information for a population of clients. Analytical data can be derived from the aggregate detection information to identify trends useful for evaluating different types of protection applications. Furthermore, the security server may initiate automated actions based on the identified trends to improve detection and remediation of the malicious objects on the clients.
Safe code for signature updates in an intrusion prevention system
Described is a technology by which a signature used by network traffic intrusion prevention/detection systems includes logic that helps a prevention/detection engine detect that signature. A signature to detect is compiled into executable logic that is executed to communicate with an engine that evaluates network traffic. The signature logic provides an expression set (such as group of regular expressions) for the engine to match against a token corresponding to the network traffic. When matched, the engine notifies the logic and receives a further expression set to match, or a communication indicative that that the signature was detected. The signature thus directs the analysis, facilitating a lightweight, generic engine. Safety of the signature logic is described as being accomplished through layers, including by publisher signing, and by compilation and execution (e.g., interpretation) in safe environments.
Active validation for DDoS and SSL DDoS attacks
Methods and systems for detecting and responding to Denial of Service (“DoS”) attacks comprise: detecting a DoS attack or potential DoS attack against a first server system comprising one or more servers; receiving, at a second server system comprising one or more servers, network traffic directed to the first server system; subjecting requesting clients to one or more challenge mechanisms, the challenge mechanisms including one or more of challenging requesting clients to follow through HTTP redirect responses, challenging requesting clients to request Secure Sockets Layer (SSL) session resumption, or challenging requesting clients to store and transmit HTTP cookies; identifying one or more non-suspect clients; and forwarding, by the second server system, traffic corresponding to the one or more non-suspect clients to the first server system. Once a client has been validated, clients may communicate directly with application servers in a secure manner by transparently passing through intermediary proxy servers.
Analog security for digital data
Disclosed are various examples of providing analog security for digital data. Content is split into a plurality of framelets. A first framelet is sent to a first client device. A second framelet is sent to a second client device. When the first and second client devices are oriented such that the first and second framelets are aligned in a particular manner, the content is made viewable to a user.
Data access method based on cloud computing platform, and user terminal
A data access method based on a cloud computing platform, and a user terminal, are provided. The method is performed by a user terminal, and the method includes obtaining an access request for a data ciphertext of the cloud computing platform, the access request including a decryption key, and the decryption key including a user precise identity identifier and a user attribute identifier. The method further includes decrypting the data ciphertext into a data plaintext, in response to the user precise identity identifier belonging to an identity identifier set included in an access structure of the data ciphertext and/or in response to the user attribute identifier belonging to a user attribute identifier set included in the access structure of the data ciphertext.
Monitoring encrypted communication sessions
A method for monitoring encrypted communication sessions between computing devices includes intercepting messages of a handshaking procedure between a client and a server device, the handshaking procedure establishing an encrypted communication session between the client and server. The method further includes determining, from the messages, a session context for the encrypted session and an identifier associated with the session context. The method further includes storing the session context in a database indexed by the identifier. The method further includes intercepting, subsequent to the storing, second messages of a second handshaking procedure between the client and a second server device, the where second handshaking procedure resumes the encrypted communication session after an interruption. The method additionally includes determining that the second messages includes the identifier associated with the session context, retrieving, from the database, the session context using the identifier, and monitoring the resumed encrypted communication session using the session context.
System and method for protecting access to authentication systems
A system and method for protecting access to authentication systems. A mediator may accept original authentication credentials from a client, may process the authentication credentials to provide processed authentication credentials and may forward the processed authentication credentials to an authentication system. Processing original authentication credentials may include encrypting at least one portion of original authentication credentials.
Systems and methods for determining reputations of digital certificate signers
The disclosed computer-implemented method for determining reputations of digital certificate signers may include (i) identifying a group of endpoint devices that have accessed files to which a digital certificate signer has attached digital certificates that assert the files are legitimate, (ii) determining, for each endpoint device, whether a security state of the endpoint device is compromised or uncompromised based on a security analysis of computing events detected on the endpoint device, (iii) classifying the digital certificate signer as potentially malicious by determining that the files were accessed more frequently by endpoint devices with compromised security states than by endpoint devices with uncompromised security states, and (iv) protecting a security state of an additional endpoint device by preventing the additional endpoint device from accessing a file with a digital certificate signed by the digital certificate signer. Various other methods, systems, and computer-readable media are also disclosed.
Detecting malicious usage of certificates
The misuse of public key, private key, and public/private key certificates poses significant security challenges to computer networks that are addressed by certificate monitoring. Certificate monitoring allows network administrators to detect and remedy poor security practices related to public key certificates and to detect and combat the malicious use of public key certificates in a centralized environment. Best practices and detection methods and systems are developed over time via machine learning to improve network security, and any detected misuse may be brought to a network administrator's attention or automatically remedied.
Identity migration between organizations
Disclosed are various embodiments for identity data migration from one organization to another. An authentication service operated by a first organization receives user login information from a client device. The authentication service identifies a second organization for which the authentication service authenticates users. The user login information is verified according to an identity data associated with the second organization. An authentication token is returned to the client device and used by the client device to access resources of a network site operated by the second organization.
Client, server, radius capability negotiation method and system between client and server
Disclosed are a client, a server, an RADIUS capability negotiation method and system, and the method includes: a client transmits to a server a first message carrying RADIUS capability parameters of the client; the server captures the RADIUS capability parameters in the first message, matches the RADIUS capability parameters in the first message with RADIUS capability parameters of the server to obtain a matching result, and transmits the matching result to the client through a second message; and the client determines whether to establish effective communication with the server according to the matching result in the second message. By means of the technical solutions of the disclosure, it is possible to extend the RADIUS protocol, and to solve the problem existing in the current RADIUS protocol that both sides in communication cannot perform RADIUS capability negotiation.
Internet key exchange (IKE) for secure association between devices
Aspects may relate to performing an Internet Key Exchange (IKE) to create an IPsec security association (SA) between a first device and a second device based upon both an authentication header (AH) and an encapsulating security payload (ESP), free of creating a child security association. Information exchange may then be allowed between the first device and the second device based upon the IPsec SA.
Communication of messages over networks
A method is provided for communicating messages between sender and receiver computers, connectable via a network to a system of servers, based on authentication of receiver passwords, associated with respective receiver IDs, by the system. A method is also provided for receiving a message from a sender based on authentication of a receiver password, associated with a receiver ID, by a system of servers, in a network, wherein each server stores for the ID a ciphertext produced by encrypting the receiver password under a public key via a homomorphic threshold encryption scheme having a threshold, and a key-share of a secret key corresponding to that public key, and stores an encrypted message from the sender encrypted under the public key. Systems are provided including servers, for communicating messages between sender and receiver computers based on authentication of receiver passwords, associated with respective receiver IDs, by the system.
Utility meter for metering a utility consumption and optimizing upstream communications and method for managing these communications
A utility meter and method for metering consumption of at least one utility including: a metering unit, a communication unit for sending/receiving messages to/from a management center, a memory to store a unique identifier pertaining to the utility meter and a first key, an encryption unit for encrypting the utility consumption as a first cryptogram, a message generator for generating a utility message containing the first cryptogram, a key generator for generating a payload key to be used by the encryption unit for encrypting the utility consumption, a second cryptogram generated by the encryption unit by encrypting the payload key with the first key, the second cryptogram being intended to be included, by the message generator, at least once into the utility message to be sent to the remote management center.
Systems and methods for encoded communications
Systems and methods for encoded communications are disclosed. In some embodiments, a server system may be configured to receive a communication from a user interface at an encoded communication module that includes an artificial intelligence based natural language processing module, determine whether the received communication is an encoded communication, decode the encoded communication to generate a financial query when it is determined that the received communication is an encoded communication, retrieve financial data associated with the user, determine an answer to the financial query based on the retrieved financial data, encode the determined answer to generate an encoded responsive communication, and transmit the generated encoded responsive communication to the user interface for providing to a user of the user interface.
Separated intelligent control system and method thereof
The present invention provides a separated intelligent control system comprising a WiFi intelligent controller. The WiFi intelligent controller comprises: a WiFi unit for performing network communication; a microprocessor connected with the WiFi unit for data transmission via the WiFi unit, the data comprising programs or instructions; and at least one multi-use interface. The multi-use interface comprises a plurality of pins. The plurality of pins is connected to the microprocessor. The microprocessor is used to change function of the plurality of pins of the multi-use interface via firmware. The WiFi intelligent controller can be independently and freely combined with external modules with different functions so as to achieve the desired functions of users. The combination of application is strengthened, so that users can freely combine or restructure each module at any time to be used in different appliances and situations.
Service layer device location management and privacy control
A machine to machine (M2M) service layer can facilitate acquiring and providing location information for use by M2M devices. The service layer can also ensure that privacy controls are maintained and enforced for location information. A device can report its location and its privacy preferences to a service layer device. Other devices can receive this location information subject to qualifying to receive it based on the privacy preferences. Devices in an area may advertise services with the service layer acting as a filter and relay point ensuring that such advertisements satisfy the privacy policies of the devices involved.
Secure device and proxy for secure operation of a host data processing system
Secure device and proxy operation include generating, using a processor, a first proxy and a first proxy companion paired with the first proxy and providing the first proxy to a host data processing system for installation therein. The first proxy in the host data processing system and the first proxy companion communicate. A proxy change event for the host data processing system is detected. Responsive to the detecting, a second proxy and a second proxy companion paired with the second proxy are generated. The second proxy is provided to the host data processing system for installation therein.
Systems and methods for allocating communication resources via information technology infrastructure
The present disclosure is directed to allocating communication resources via information technology infrastructure. A system can provide a communication tag and an analytics tag for integration in a web site. The system can receive a request to allocate a phone number generated based on an interaction between the communication tag and the analytics tag. The request can include the communication endpoint identifier, the site identifier for the web site, and a bucket identifier formed from bucketing criteria corresponding to a network activity session of the computing device. The system can determine a virtual phone number to assign to a combination of the values of the fields provided in the request, and create a link between the assigned virtual number and the combination. The system can provide the assigned virtual phone number to the computing device that initiated the request.
Methods, systems, and products for monitoring domain name servers
Methods, systems, and products infer performance of a domain name system. Queries to, and responses from, the domain name system are logged and categorized. Each category is associated with a different performance issue related to the domain name system. The number of entries in each category may be used to infer the performance of the domain name system.
L3VPN service with single IGP/BGP session from a multi-homed CE with fast convergence using EVPN
Various embodiments of the present disclosure discuss how EVPN can be used to offer a multi-homed L3VPN service leveraging its Layer 2 access redundancy. The solution offers single IP peering to the Customer Edge (CE) nodes, rapid failure detection, minimal fail-over time and make-before-break paradigm for maintenance.
Social message monitoring method and apparatus
A social message monitoring method is implemented by receiving, from a social network server, a social message, and obtaining a theme probability vector of the social message, comparing the theme probability vector of the social message with a theme probability vector of each representative message to obtain a theme similarity, and acquiring a similarity between the social message and each representative message according to the theme similarity, and saving the social message in a message class that contains a representative message most similar to the social message, and outputting the message class to a social network client when a quantity of social messages in the message class reaches a first threshold or themes of social messages in the message class are consistent.
Electronic message organization via social groups
A mechanism for automatically organizing electronic messages is described herein. Social groups of a particular user that may be representative of topics, people, projects, and the like can be automatically learned based at least in part upon historical correspondence of the user. Moreover, messages can be automatically prioritized based at least in part upon historical correspondence patterns. Electronic messages may be presented to the user in accordance with group information and how important the messages are to the user.
Social media engagement engine
Described herein is a social media engagement engine. In accordance with another aspect of the framework, a social media message from a person (e.g., customer, prospect) is received via a social media data connector plugged into a social media interface. The social media message may be analyzed to generate processed data. At least one predefined rule is identified based on the processed data. The framework then facilitates engagement with the person according to the predefined rule.
Method, system and computer readable medium for notification delivery
In a system, method and computer readable medium for managing message delivery, message delivery jobs are dynamically prioritized into a plurality of priority queues based on a delivery timeframe for each job. A delivery manager controls delivery of the message delivery jobs through a number of delivery channels and ports. A priority manager reviews jobs pending in the queues. If the priority manager determines that a message delivery job will not be completed within its delivery timeframe, the priority manager assigns a higher priority to the message delivery job.
Electronic equipment, system including electronic equipment and management device, and method executed by electronic equipment
There is provided electronic equipment including: an instruction receiving unit that receives an instruction of a setting modification regarding the electronic equipment; and an electronic mail sending unit that sends an electronic mail including access information on a web page for permission of the setting modification by the modification instruction to a mail address corresponding to a predetermined administrator in a case of receiving the modification instruction. The electronic equipment further includes: a setting modification unit that modifies the setting according to the modification instruction based on the access to the web page.
Idea generation platform for distributed work environments
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for displaying a challenge question in a challenge user interface displayed on a mobile device, displaying an idea user interface in response to user selection of the challenge question from the challenge user interface, receiving an idea based on user input to the idea user interface, the idea addressing subject matter of the challenge question, and transmitting an idea data set digitally representing the idea to a back-end system, the back-end system hosting an idea generation platform.
Methods and apparatuses for animated messaging between messaging participants represented by avatar
A messaging system communicates animated messages. The system generates personalized avatars of messaging participants. These avatars can be made to represent visible attributes of the participants in different art styles. For example, a tall, thin, bespectacled, brunette might be represented as a tall, thin, bespectacled, brunette avatar rendered in the style of a favorite cartoon. Messaging participants can then send messages in which the avatars of the sender and the recipient or recipients interact. For example, a message sender might convey a message “hug” that is displayed on a message recipient's device as an animation in which the sender's avatar embraces the recipient's avatar.
Flexible buffer allocation in a network switch
Communication apparatus includes multiple interfaces configured to be connected to a packet data network for receiving and forwarding of data packets of multiple types. A memory is coupled to the interfaces and configured as a buffer to contain packets received through the ingress interfaces while awaiting transmission to the network via the egress interfaces. Packet processing logic is configured to maintain multiple transmit queues, which are associated with respective ones of the egress interfaces, and to place both first and second queue entries, corresponding to first and second data packets of the first and second types, respectively, in a common transmit queue for transmission through a given egress interface, while allocating respective spaces in the buffer to store the first and second data packets against separate, first and second buffer allocations, which are respectively assigned to the first and second types of the data packets.
Data stream identifying method and device
A data stream identifying method and device is presented, which may include receiving a data stream of a first application and a data stream of a second application; extracting a common resource address in the data stream of the first application and the data stream of the second application; determining that the data stream of the first application belongs to the second application when the common resource address includes an address of a server of the first application; and determining that the data stream of the second application belongs to the first application when the common resource address includes an address of a server of the second application. Further, an application to which a data stream belongs can be more correctly identified, so that more accurate data is provided for services, such as traffic statistics and charging, thereby improving user experience.
Customer engagement platform and portal having multi-media capabilities
A system for managing a customer engagement portal associated with a site includes a media manager associated with the site and at least one network device associated with the site. The network device and the media manager are in communication to wirelessly transfer streams of media. The network device is configured to output streams of media. The site also has a mobile device associated therewith that is configured to initiate a change in an operating condition of the at least one network device for a location remote from the site. The network device is configured to output the streams of media simultaneously with the operating condition of the network deceive being changed.
System and method for supporting a distributed data structure in a distributed data grid
A system and method can support a distributed data structure in a distributed data grid. The distributed data grid includes a plurality of buckets, wherein each said bucket is configured with a capacity to contain a number of elements in the distributed data structure. Furthermore, the distributed data grid includes a state owner process, which is configured to hold state information for the distributed data structure and provides the state information for the distributed data structure to a client process.
Apparatus and method for scheduling packet in communication system
The present disclosure relates to a sensor network, machine type communication (MTC), machine-to-machine (M2M) communication, and technology for internet of things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method for scheduling a packet in a communication node in a communication system is provided. The method includes detecting a parameter value of a parameter related to a delay characteristic that is related to at least one packet; comparing the detected parameter value and a preset threshold parameter value; determining a priority for the at least one packet based on the compared result; and transmitting the at least one packet corresponding to the determined priority.
Systems, methods, and devices for addressed data communications
According to one aspect, a communications system for sending a data packet, including a first device, comprising a processor, the processor configured to compose an addressing bitmask and, address the data packet with the bitmask; and, a transmitter connected to the processor for transmitting the addressed data packet; and a second device, comprising a receiver for receiving the addressed data packet; and a processor attached to the receiver, the processor configured to perform a bitmask test on the bitmask contained in the addressed data packet such that, if the test is failed, then the addressed data packet is discarded.
Persistent flow identifiers enabling disparate applications
Embodiments provide a system and method for network tracking. By using packet capture applications having a flow identifier and a time stamper, one or more raw packets from one or more packet flows intercepted from a network can be tagged with a unique identifier and timestamp that can later be used to aggregate packet flows that have been analyzed by one or more capture applications. The unique identifier can relate to the network interface of the particular capture application and can also have an increasing value, where the increase in value can be monotonic. Later capture applications, while capable of generating secondary timestamps, can disregard those secondary timestamps for the primary timestamp of the first capture application in order to remove complications arising from latency issues.
Persistent connection rebalancing
Disclosed is a computer-implemented method of rebalancing persistent client connections to a cluster of servers. The method comprises identifying an increase in a total client connection capacity of the cluster of servers with a network connection balancing component; and for each server in a selection of servers in the cluster of servers calculating a current client connection capacity utilization of the server from the number of persistent connections to the server and the current capacity of the server; comparing the current client connection capacity utilization with the target client connection capacity utilization; and terminating a selection of its persistent client connections by a server based on its current client connection capacity utilization exceeding the target client connection capacity utilization. Also disclosed are a computer program product and a computer system for utilizing the computer-implemented method.
Emergency signal for M2M devices
A method includes receiving, at a server connected to a network, a plurality of emergency alerts from a plurality of devices connected to the network. The method also includes analyzing, by the server, the plurality of emergency alerts to determine an emergency type of each of the plurality of emergency alerts. The method includes categorizing, by the server, the plurality of emergency alerts based on the emergency type of each of the plurality of emergency alerts. The method includes prioritizing a first category of the plurality of emergency alerts and consolidating the plurality of emergency alerts of the first category into a consolidated alert. The method includes causing the consolidated alert to be provided to an emergency responder.
Longest prefix matching operations on a value in multiple interspersed prefix length search spaces to determine an overall longest prefix matching result in a packet switching system
In one embodiment, longest prefix matching (LPM) operations are performed on a value in multiple interspersed prefix length search spaces to determine an overall longest prefix matching result in a packet switching system. A first LPM lookup unit performs a first LPM operation on the particular lookup value in a first search space finding a first longest matching prefix, and a second LPM lookup unit performs a second LPM operation on the particular lookup value in a second search space finding a second longest matching prefix. The longer of the first and second longest matching prefixes determines the overall LPM. In one embodiment, the first search space and the second search space include non-default route prefixes with interspersed prefix lengths matching a same value, such as, but not limited to the particular lookup value (e.g., a destination address of a packet).
Routing method and wireless node for wireless mesh network
A routing method for a wireless mesh network and a wireless node performing the method are provided. The method includes performing a route algorithm and finding available paths to reach a destination node, recording the available paths, a parent-child node relationship, and a link-state in a route table, and transmitting or transferring data by using an optimal path among the available paths. The method also includes selecting another available path as the optimal path when the optimal path is not operable, updating the route table, and notifying a parent wireless node. The method further includes performing a block route algorithm when receiving a node-added message for creating a block route table in a block where the newly-added node belongs, updating the route table according to the block route table for acquiring updated available paths, selecting one of the updated available paths as the optimal path, and notifying the parent wireless node.
Multicast transmission using programmable network
A system and method are provided for transmitting data via a network. Upon receiving a request for unicast transmission of the data, the system and method respond to the request by i) formatting the data in accordance with a transport protocol to obtain formatted data and ii) providing the formatted data to the network, the formatted data comprising a destination address field. The network is a programmable network comprising one or more forwarding nodes that are remotely controllable. In order to effect a multicasting of the formatted data, the one or more forwarding nodes are controlled to i) replicating the formatted data to obtain replicated formatted data, and ii) setting the destination address field of the replicated formatted data to an address originating from a further request for the unicast transmission of the data. An advantage of the system and method is that multicasting may be provided for ‘off-the-shelf’ unicast receivers.
Session aggregator brokering of data stream communication
A system for proving secure streamed data sessions is disclosed. The system comprises a first computer system executing an orchestrator virtualized network function (VNF). The orchestrator VNF collects performance metrics on routers, receives a request for a secure streamed data session, analyzes the metrics based on the request, determines a secure routing path, creates a routing instruction set that defines the secure routing path, and transmits the routing instruction set to a session aggregator. The system further comprises a second computer system that executes the session aggregator in a trusted security zone. The session aggregator establishes trusted end-to-end communication links with a first edge router, a second edge router, and at least one of the plurality of routers and configures the routing instruction set into each of the CPE node, the first edge router, the second edge router, and the at least one router via the trusted end-to-end communication link.
Avoiding false duplicate network address detection in virtual router redundancy protocol (VRRP) scenarios
A first network device may activate the first network device as being associated with a Virtual Router Redundancy Protocol (VRRP) group. The first network device may receive, from a second network device, a duplicate address detection message. The first network device may compare a data link layer address associated with the duplicate address detection message and a Virtual Media Access Control (VMAC) address of the VRRP group. The first network device may disregard the duplicate address detection message after comparing the data link layer address and the VMAC address of the VRRP group.
Segment recovery in connection-oriented network
A connection-oriented network has a working path and a segment recovery path for a segment of the working path. The working path has a branch node at an end of the segment where the segment recovery path connects to the working path. The branch node is not located at an end node of the working path. Control plane signalling is received at an end node of the working path from a node along the working path, indicating that a failure has occurred along the working path. The end node determines, from the received control plane signalling, if the failure has occurred outside the segment of the working path. When it is determined that the failure has occurred outside the segment of the working path, a notification is sent to the branch node. The notification is an instruction not to reroute to the segment recovery path.
Method and network node for routing backhaul packets
The disclosure provides a method and a radio access network node for routing backhaul packets. The method comprises: forwarding to a core network node an attach request originated from a User Equipment (UE); receiving from the core network node a response message indicating that the UE is a backhaul UE, the response message containing an attach response destined to the UE; and routing, upon receiving an Internet Protocol (IP) packet from the UE, the IP packet based on a destination IP address of the IP packet.
Multi-chassis link aggregation learning on standard ethernet links
A stacked switch packet communication system is connected to a Multi-Chassis Link Aggregation Group (MLAG). Devices in the system include a designated device for receiving packets that are destined for the MLAG. A new MLAG device is enabled while continuing packet communication by identifying an address of a single port in the new MLAG device. In first updates of the devices the single port is established in the forwarding databases of the devices and the packets transmitted through the devices to the single port. Thereafter, in second updates the single port is replaced in the forwarding databases by another port of the new MLAG device. Upon completion of respective second updates, the packets are transmitted through the devices to the other port in the MLAG.
Link aggregation management with respect to a shared pool of configurable computing resources
Disclosed aspects relate to managing link aggregation with respect to a shared pool of configurable computing resources. A set of workloads of the shared pool of configurable computing resources can be monitored to identify a set of networking data. Based on the set of networking data, a link aggregation arrangement for dynamic adjustment may be determined. The link aggregation arrangement may be established by dynamic adjustment with respect to the shared pool of configurable computing resources.
Dynamic modification of bypass label-switched paths based on monitoring network traffic conditions
A device may configure a dynamic set of bypass label-switched paths (LSPs), to protect one or more protected LSPs, based on configuration information. The dynamic set of bypass LSPs may be initially configured to include zero or more bypass LSPs. The configuration information may indicate a first condition for adding a bypass LSP to the dynamic set of bypass LSPs, and a second condition for removing a bypass LSP from the dynamic set of bypass LSPs. The device may determine that a network traffic condition, associated with the dynamic set of bypass LSPs, is satisfied. The device may modify the dynamic set of bypass LSPs to add, remove, or reconfigure one or more bypass LSPs based on determining that the network traffic condition is satisfied.
System and method thereof for dynamically testing networked target systems through simulation by a mobile device
A method and system for dynamically testing a networked target system (NTS) through simulation by a mobile device. The method comprises: receiving at least one test specification designating at least a type of the test and a number of step repeater devices (SRDs) required for the test; receiving, from the mobile device, a request to establish a secure connection; establishing the secure connection with the mobile device by impersonating the NTS; capturing each step performed by a user of the mobile device on an application installed thereon, wherein the application operates in conjunction with the NTS; setting all SRDs designated in the test specification with each captured step, thereby causing the SRDs to perform the captured step; receiving, from the SRDs, information respective of performance of the NTS; and generating a performance testing report based on the received information.
Dynamic network monitoring
Approaches for monitoring performance in a networked environment are provided. An approach includes monitoring, using a first metric, performance of a first host running a virtual machine. The approach also includes determining, using a computer device, a second metric based on the virtual machine being migrated from the first host to a second host, wherein the second metric is a function of: (i) the first metric and (ii) a comparison of the first host and the second host. The approach further includes monitoring, using the second metric, performance of the second host running the virtual machine.
Detecting patterns of events in information systems
There is provided a system having a plurality of information processing apparatuses, each of which includes a storage device where at least one piece of pattern data indicating an occurrence pattern of events to be detected in the information processing apparatus is stored, a generation section that specifies a collection of events to be detected in the occurrence pattern based on the pattern data read from the storage device and generates necessary event data indicating the specified collection of events, a selection section that selects an event included in the necessary event data from events which have occurred in the information processing apparatus and events transferred from another information processing apparatus, and a detection section that detects if the selected event matches with the occurrence pattern indicated by the pattern data, and outputs a detection result.
Measurement of application response delay time
A method and system for measuring application response delay is described. The method may commence with receiving a Domain Name System (DNS) request from a client DNS server. The method may include measuring round trip time between the client DNS server and a first Global Server Load Balancing (GSLB) controller, between the first GSLB controller and a server load balancer (SLB) collocated with the first GSLB controller, and between the SLB and an application server. The method may further include receiving measurements of round trip time between the client DNS server and a second GSLB controller, between the second GSLB controller and an SLB collocated with the second GSLB controller, and between the second GSLB controller and a further application server. A cumulative response time associated with the application servers may be calculated based on the measurements to select an application server having a lowest cumulative response time.
Calculating latency in computer networks
In one implementation, data is communicated along a communications route in a network. A mediatrace request is generated for the communications route. Responses to the mediatrace request are received from along the communications route. The hop-by-hop latency is passively measured, from the responses, with one-way delay along the communications route in the network.
Anonymization of traffic patterns over communication networks
A computer-implemented method of obfuscating communication traffic patterns may include detecting, at a first communications device, data communication sessions with a second communications device via the computer server using a network protocol. At the first device, a first traffic pattern is accessed based on the data communication sessions over a first predefined time period. At the first communications device, a second traffic pattern is accessed based on the data communication sessions over a second predefined time period that occurs after the first predefined time period. At the first communications device, based on a randomization process, a dummy data communication pattern is generated for transmission to the second communication devices, whereby the dummy data communication pattern is appended to the second traffic pattern for obfuscating a traffic pattern change between the first and the second traffic pattern at the computer server used to establish the communication sessions.
Method and apparatus for monitoring activity of an electronic device
An apparatus and method for monitoring activity of a device. The method includes associating one or more monitoring devices with an electronic device. Rules that have been established to define acceptable content that can be accessed by the electronic device are accessed. Requested content, which is requested by the electronic device, is identified. The requested content is compared to the established rules. An alert condition is generated when the requested content violates the established rules. An alert signal is provided to the one or more monitoring devices based on the alert condition.
Network traffic monitoring and classification
Presented herein are network traffic/flow monitoring techniques for identifying a primary/core domain that is representative of the service being accessed by a series/set of network flows, and grouping networking traffic flows that result from the user's accessing of the core domain. In one example, a plurality of core domains each corresponding to a primary web service configured to be directly accessed by network flows via one or more networks is identified. For each of the plurality of core domains, one or more models of traffic activity resulting from access to the corresponding primary web service by a network flow is generated. Based on the models of traffic activity, real-time network traffic flows are associated to a selected one of the core domains.
Methods and systems for online monitoring using a variable data sampling rate
A method for online monitoring of a physical environment using a variable data sampling rate is implemented by a computing device. The method includes sampling, at the computing device, at least one data set using at least one sampling rate. The method also includes processing the at least one data set with condition assessment rules. The method further includes determining whether the at least one data set indicates a change in state of the physical environment. The method additionally includes updating the at least one sampling rate.
Operational management in cloud computing systems
Techniques for managing operation in cloud computing systems are disclosed herein. In one embodiment, a method can include receiving data representing a guaranteed value of a performance metric of a cloud service and an error budget and deriving a switching threshold based on a combination of the value of the performance metric and the error budget. The method also includes determining a current value of the performance metric of the cloud service and causing the cloud computing system to selectively switch between operational modes for providing the cloud service based on a comparison between the determined current value of the performance metric and the switching threshold.
System for supporting a multi-tenant data architecture
One embodiment of the present invention relates to a system that enables a single software application instance to support multiple tenants, wherein each tenant is associated with a separate database. First, the software application instance receives an input, wherein the input requires an operation to be performed on a database of one of the supported tenants. Next, the software application instance identifies the tenant with which the input is associated. The software application instance then obtains a context associated with the tenant. From the context, the software application instance obtains a service object. Finally, the software application invokes a method provided by the service object's class. This enables a data access object, which is encapsulated within the service object, to perform the operation on the database.
Packaging tool for first and third party component deployment
A cloud declarative language is used to configure and reconfigure cloud computing environments. The language includes physical and logical topology declarations as well as cloud operations commands, and allows users to declare commands at multiple topology hierarchies. The language may be used to create scripts and sets of scripts that are used to configure cloud stacks and other operational parameters. Scripts may be created through direct editing by cloud designers or with the aid of graphical user interfaces. Scripts may be automatically generated using templates of configurations and requirements and use for rapid prototyping and testing of cloud environments. Scripts may also be used to monitor conformance with specified configurations, and to facilitate deployment of incremental modifications to configurations.
Distributed network troubleshooting using simultaneous multi-point packet capture
Some embodiments provide a method for performing a multi-point capture of packets in a network. The method identifies multiple nodes for the multi-point capture in the network. The method configures each node of the multiple nodes to capture a set of packets. The method receives multiple captured packet sets from the multiple nodes. The method analyzes the multiple captured packet sets.
Distributed policy store
The disclosed technology relates to a distributed policy store. A system is configured to locate, in an index, an entry for a network entity, determine, based on the entry, a file identifier for a file containing a record for the network entity and an offset indicating a location of the record in the file. The system is further configured to locate the file in a distributed file system using the file identifier, locate the record in the file using the offset, and retrieve the record.
Automatic load balancing of switches in a cluster of controllers in a software-defined switch network
Disclosed herein are systems and methods for automatic load balancing of switches in a cluster of controllers in SDNs. According to an aspect, the system comprises a network controlling device comprising at least one processor and memory. The network controlling device of the system is configured to receive a request to establish a connection from a switch residing in a switch network. The network controlling device of the system is also configured to determine whether a connection may be established between the switch and the network controlling device based on a load balancing policy for the network controlling device. The network controlling device of the system is also configured to determine another network controlling device residing in the switch network for establishment of the connection with the switch in response to determining the connection may not be established with the network controlling device.
Hybrid SDN/legacy policy enforcement
A method, system, and computer program product configure elements of a hybrid network. The method may include a processor obtaining at a first controller communicatively coupled to components of a hybrid network, a requirement for the hybrid network; the components include a first component type and a second component type. After obtaining the requirement, the processor generates a plan to configure a component of the first component type and a component of the second component type. The processor configures the component of the first component type according to a first portion of the plan by utilizing a security protocol over an unsecured connection. The processor configures the component of the second component type according to a second portion of the plan by transmitting this portion to a controller of components of the second component type in the hybrid network. The controller configures the component upon receipt of the portion.
Cloud based drive monitoring solution
A cloud-based remote monitoring system and method monitor one or more industrial devices of an industrial facility, including a local data historian located to monitor one or more parameters from the industrial devices, and store parameters in a local storage associated with the data historian, as well as a cloud agent located at the industrial facility to collect data indicative of a past and/or a present state of the industrial devices from the data historian local storage according a manifest specific to the industrial facility. The cloud agent sends the collected data to a cloud platform according to the manifest, and dynamically reconfigures the cloud agent without interrupting the collecting and the sending.
Transmission and receiving method in a wireless communication system
The present patent application relates to a transmission method and corresponding receiving methods. The transmission method comprises: selecting K number of data streams for transmission, wherein each data stream comprises one or more data messages; and independently for each data stream k=0, . . . , K−1: encoding and modulating data messages of the kth data stream using a Trellis Coded Modulation, TCM, scheme TCMk, interleaving the encoded and modulated data messages of the k-th data stream by using a stream specific interleaver Πk, scrambling the interleaved data messages of the k-th data stream by using a stream specific scrambling sequence; combining all scrambled data messages of the K number of data streams into at least one transmission signal s(l); and transmitting the at least one transmission signal s(l) over a radio channel of the wireless communication system.
Transmitter and receiver and methods of transmitting and receiving
A transmitter transmits payload data using Orthogonal Frequency Division Multiplexed (OFDM) symbols, the transmitter including a frame builder to receive the payload data and to receive signalling data for use in detecting and recovering the payload data at a receiver, and to form the payload data into data-units for transmission. A modulator modulates plural sub-carriers of one or more OFDM symbols with the signalling data and the payload data in accordance with a modulation scheme to provide for each of plural sub-carriers a modulation symbol, a prefixing circuit prefixes a guard interval to the one or more OFDM symbols, and a transmission circuit transmits the one or more OFDM symbols. The modulator includes an I/Q interleaver to receive a real component of the modulation symbol of each of the one or more sub-carriers and to interleave the real component of the modulation symbols differently to the imaginary component.
Receiver and receiving method for hierarchical modulation in single frequency networks
A receiver recovers local service data symbols from first Orthogonal Frequency Division Multiplexed (OFDM) symbols in the presence of second OFDM symbols, the second OFDM symbols carry national broadcast data symbols and modulated on to the sub-carriers of the second OFDM symbols using a first modulation scheme, and the first OFDM symbols carry the national broadcast data symbols and the local service data symbols from a local insertion pipe and modulated on to the sub-carriers of the first OFDM symbols using a second modulation scheme. The receiver comprises an OFDM detector which includes an equalizer for recovering local service modulated sub-carriers of the second modulation scheme by generating an estimate of a combined channel ([Hn(z)+Hl(z)]) via which the first and second OFDM symbols have passed using the pilot sub-carrier symbols of the first and second OFDM symbols; generating an estimate of national broadcast modulation symbols from the modulated data bearing sub-carriers of the first modulation scheme from the second OFDM symbols (Ŝ(z)); generating an estimate of a convolution of the combined channel and the national broadcast modulation symbols (Ŝ(z)[Hn(z)+Hl(z)]); generating an estimate of a component of the received base band signal representing the local service modulation symbols of the first OFDM symbol; generating an estimate of a channel via which the first OFDM symbols were received using the local pilot symbols (Ĥl(z)); and generating an estimate of local service data symbols from a combination of the estimate of the component of the received signal representing the modulation symbols carrying the local service data and the estimate of the channel via which the first OFDM symbols were received ( D ~ ( z ) ≈ R ( z ) - S ^ ( z ) [ H n ( z ) + H l ( z ) ] H ^ l ( z ) ) .
Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
A method and an apparatus for transmitting broadcast, signals thereof are disclosed. The method for transmitting broadcast signals includes processing input streams into BB frames in PLPs; encoding data of the PLPs; building at least one signal frame by mapping the encoded data of the PLPs; and modulating data in the built signal frame by OFDM method and transmitting the broadcast signals having the modulated data, wherein at least one of the BB frames includes a stuffing field and a first indicator describing whether the stuffing field is included in the BB frame.
Modem apparatus, communications system and method of processing a cyclic prefix
A modem apparatus is configured to provide wireless network access in accordance with an Orthogonal Frequency Division Multiplexing communications scheme. The apparatus comprises a hardware subsystem comprising baseband processing components (302) and Radio Frequency processing components (304). The baseband processing components (302) comprise a first converter component (314) arranged to convert between time and frequency domains in accordance with the Orthogonal Frequency Division Multiplexing communications scheme, and a second converter component (316) arranged to convert between parallel and serial data formats, the second converter (316) being operably coupled to the first converter (314). The Radio Frequency processing components (304) comprise a cyclic prefix processing component (318) responsive to control information. A digital interface (306) is disposed between the baseband processing components (302) and the RF processing components (304), the digital interface (306) being operably coupled to the second converter (316) and the cyclic prefix processing component (318).
Data transmission between asychronous environments
A method and system is provided for allowing signals across electrical domains. The method includes applying a clock signal (of at least 1 GHz) to an electronic element in a location having first electrical properties. Data is output from the first electronic element; and received at a second electronic element located in a location having second electrical properties. The first and second electrical properties are different by either voltage and clock frequency.
A communication device includes a plurality of controllers, a plurality of buses that transmit transmission information, and a gateway to which the plurality of buses are collectively connected. Each of the plurality of controllers has a pattern table that defines, for each piece of the transmission information, a transmission bus pattern, and controls the input and output of the transmission information according to the pattern table. Each of the plurality of controllers is connected to at least two buses, and outputs, to the gateway via all of the connected buses, check information for a confirmation of connections to the connected buses. The gateway determines an interrupted bus from which no check information is input, and outputs, to each of the plurality of controllers, a route switch instruction instructing use of a pattern table that does not include the interrupted bus(es).
Communication system using ring network
In a communication system having multiple nodes communicably connected via a ring network, at least two of the nodes each includes: a packet distributor that receives an ordinary packet and an interrupt packet from another node and distributes the received packets; and an output switching unit that outputs the ordinary packet and the interrupt packet that are not addressed to the own node such that the interrupt packet is output more preferentially than the ordinary packet. When the output switching unit receives the interrupt packet while outputting the ordinary packet, the output switching unit outputs the interrupt packet by embedding it into the ordinary packet that is being output at a position between the header and trailer of the ordinary packet. When the ordinary packet transmitted from the other node contains an interrupt packet embedded therein, the packet distributor extracts the interrupt packet and distributes the extracted interrupt packet.
System and method for sending messages and commands to a device at a location distanced from the sending device
A consumer electronics (CE) device includes at least one processor and at least one computer readable storage medium accessible to the processor. The medium is programmed with instructions that, when executed by the processor, cause the processor to execute logic including detecting the position of the CE device and sending a command to at least one apparatus at a location distanced from the CE device to establish at least one configuration of the apparatus. The command is sent responsive to a determination that the CE device is passing a predefined distance from a location.
Dynamic control of smart home using wearable device
Embodiments of the present invention provide a method and system for dynamically controlling an appliance based on information received from a wearable device, to regulate the user's health. A wearable device is identified and configured to monitor at least one physiological aspect of the user. A controllable appliance with at least one sensor and at least one controllable setting is also identified. Health information of the user is received and utilized in generating, a user profile which comprises parameters related to the health of the user. Data from the wearable device and data from the controllable appliance is analyzed and it is determined whether the data matches the parameters related to the health of the user. If the data does not match the parameters related to the health of the user, then at least one controllable setting of the at least one controllable appliance is adjusted.
Systems and methods for providing category-sensitive chat channels
Systems, methods, and non-transitory computer readable media are provided for providing category-sensitive chat channels. A category-sensitive chat channel may be provided. The category-sensitive chat channel may be assigned a given category level. The given category level may determine a scope of content allowed in the category-sensitive chat channel. Information to be posted through the category-sensitive chat channel may be obtained. The obtained information may be filtered based on the given category level. The filtered information may be posted in the category-sensitive chat channel.
In accordance with one example embodiment, a system configured for programming a network layer multicast address entry in a routing table of an ingress line card module is disclosed. The network layer multicast address entry includes a network layer address associated with at least one egress line card. The system is further configured for programming a data link layer multicast routing address entry in a routing table of a fabric card module in which the data link layer multicast routing address entry corresponds to the network layer multicast address entry.
Terminal and method for measuring data usage
In a mobile terminal and method, the mobile terminal and method calculate a usage amount of data for each application executed in the mobile terminal. The mobile terminal includes: a communication unit to communicate to a server; a recognition unit to recognize an application sending a data communication connection request; a calculation unit to calculate a usage amount of data communicated by the application sending the data communication connection request; and a control unit to control the mobile terminal based on the calculation and of data usage for the application.
Validating certificate chains for both internal and public facing server using unified interface
Embodiments presented herein provide a validation service used to validate a certificate chain for both public facing servers as well as internal, non-public facing servers. To validate a certificate chain, the client generates a request with the network address and sends it to the validation service. In response, the validation service attempts to establish a connection with the server at the network address. If successful, the validation service receives a certificate chain from the server and can verify that the certificate chain is complete, valid, and chains to a trusted root. If the validation service cannot connect to the network address identified in the request, then the validation service sends a local validation component to the requesting client. The local validation component executes from the client and validates the certificate chain presented by the network server.
Cryptologic blockchain interoperation
Systems and methods for cryptologic blockchain interoperability are provided. A furnisher participant of a furnisher DLT network may receive a request to export or share token data stored on a furnisher blockchain that stores the token data based on a furnisher DLT. The furnisher participant may transmit, to a plurality of validator participants of the furnisher DLT network, a consensus request to certify the token data is stored on a furnisher blockchain. The furnisher participant may receive certifications that the token data is stored on the furnisher blockchain. The certifications may include digital signatures respectively signed by the validator participants. The furnisher participant may generate a multi-signature certification message. The furnisher participant may communicate the multi-signature certification message to the data receiver. The data receiver may verify the digital signatures based on public keys of the validator participants of the furnisher DLT network.
Customer call logging data privacy in cloud infrastructure
Systems and methods are provided for encrypting data at a customer for storage at a hosted service provider. In addition to the data being encrypted by the client, the secret encryption key used to encrypt the data is also encrypted. Both the encrypted data and the encrypted secret encryption key are transmitted to the service provider who may further encrypt the data with another encryption key and who stores the further encrypted data, the encrypted secret encryption key and the another encryption key.
Visible light encryption method, decryption method, communication device and communication system
The present invention discloses a visible light encryption method, a decryption method, a communication device and a communication system. The method includes: receiving a visible light signal from a transmit end, where the visible light signal is encrypted at the transmit end by using a key; and obtaining the key, and decrypting the visible light signal according to the key, where the obtaining the key includes: obtaining a key corresponding to a state of a state machine of a receive end; or, obtaining indication information according to the visible light signal and obtaining the key according to the indication information, where the indication information is used to obtain the key. The present invention solves a problem of decryption failure in visible light encryption and decryption, and improves accuracy of decryption.
Dynamic domain key exchange for authenticated device to device communications
A method of dynamically generating a domain based public group key and private member keys using a domain key agent, a domain key service of a domain key broker, and a domain key distribution center. The method includes: sending to the domain key service of a domain key broker a request for a private member key for the domain, wherein the request includes proof of possession of a vehicle private key associated with a vehicle certificate and a vehicle public key; receiving from the domain key service a private member key and a public group key; sending a message digitally signed using the member private key; verifying the digital signature on the received message using the public group key; and dynamically renewing the public group key and private member key based on the domain.
Unified management of cryptographic keys using virtual keys and referrals
A cryptography service allows for management of cryptographic keys in multiple environments. The service allows for specification of policies applicable to cryptographic keys, such as what cryptographic algorithms should be used in which contexts. The cryptography service, upon receiving a request for a key, may provide a referral to another system to obtain the key.
Content validation using blockchain
A device may receive first content data from a content provider, the first content data including data identifying content. The device may generate second content data based on the first content data, the second content data including information that causes content validation to be performed on the content. The device may also provide the second content data to a content validation node, the content validation node being included in a content validation network implementing a blockchain network that includes executable instructions for performing content validation. In addition, the device may obtain, from the content validation network, validation results associated with the content, and provide, to a user device, data that causes display of a validation indicator with the content, the validation indicator being based on the validation results.
Techniques for unified synchronization channel design in new radio
Various aspects described herein relate to techniques for synchronization channel design and signaling in wireless communications systems (e.g., a 5th Generation (5G) New Radio (NR) system). In an aspect, a method includes identifying a frequency band supported by a user equipment (UE), identifying one or more frequency locations based on the identified frequency band, and the one or more frequency locations are a subset of synchronization raster points used for synchronization signal transmission. The method further includes searching for at least one synchronization signal based on the one or more identified frequency locations.
Clock sustain in the absence of a reference clock in a communication system
Disclosed herein are systems and methods for clock sustain in a two-wire communication systems and applications thereof. In some embodiments, in a clock sustain state, slave nodes with processors and digital to analog converters (DACs) may be powered down efficiently in the event of lost bus communication. For example, when the bus loses communication and a reliable clock cannot be recovered by the slave node, the slave node may enter the sustain state and, if enabled, signals this event to a general purpose input/output (GPIO) pin. In the clock sustain state, the slave node phase lock loop (PLL) may continue to run for a predetermined number of SYNC periods, while attenuating the inter-integrated circuit transmit (I2S DTXn) data from its current value to 0. After the predetermined number of SYNC periods, the slave node may reset and reenter a power-up state.
DMRS signal transmission method and apparatus
Embodiments of the present invention relate to the communications field, and provide a signal transmission method and apparatus, which can effectively resolve a resource waste problem of user data resource elements and improve system power utilization. The method includes: determining, by a base station, a first parameter value of a user data resource element RE, an initial parameter value of a demodulation reference signal resource element DMRS RE, and a compensation parameter value of the DMRS RE; determining, by the base station according to the initial parameter value and the compensation parameter value, a second parameter value required for transmitting a DMRS; and transmitting, by the base station, the DMRS, the user data, and the compensation parameter value to user equipment, so that the user equipment demodulates the user data.
Frame structure for a physical control channel
A method of operating a serving point includes communicating a frame between the serving point and at least one station (STA), the frame including at least a first preamble and a second preamble, the first preamble including at least a first short training field (STF) and a legacy STF, the second preamble including at least a second STF, the legacy STF being orthogonal to the first STF and the second STF.
Beam switching and recovery
Apparatuses and methods of beam switching are presented. A beam switch message (BSM) is transmitted to a second device via a first beam set. The BSM includes a command to switch from communication via the first beam set to communication via a second beam set at a switch time. It is determined whether a response message is received from the second device via the first beam set, the response message indicating that the second device received the BSM. A communication is sent to the second device via the second beam set after the switch time when the response message is unreceived.
Method for controlling uplink transmission power and wireless device using same
A method for uplink transmission in a wireless communication system, the method includes determining, by a user equipment (UE), whether the first uplink signal to be transmitted toward a first cell belonging to a first timing advance group (TAG) at an nth subframe overlaps the second uplink signal to be transmitted toward a second cell belonging to a second TAG at an (n+1)st subframe; dropping, by the UE, the first uplink signal at the nth subframe, if a total transmission power including the first and second uplink signals exceeds a maximum transmit power, where n is an integer≥1; and transmitting the second uplink signal without the first uplink signal which is dropped.
Uplink MIMO STBC communication method in wireless communication system and apparatus for same
Disclosed is a communication method of a multiple-input and multiple-output (MIMO) space-time block code (STBC) scheme using an uplink resource. In the MIMO STBC scheme of the present disclosure, data is allocated, according to the STBC scheme, to remaining symbols except orthogonal frequency division multiplexing (OFDM) symbols for a reference signal, and the STBC scheme may not be applied to a first OFDM symbol.
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.
Electromagnetic signal transport and distribution systems
An electromagnetic signal transport and distribution system simultaneously transports over one single mode fiber various programming specifically requested by multiple users in multiple locations while simultaneously offering bidirectional communications with a public network.
Optical receiver and method of monitoring optical power of optical signal input thereto
An optical receiver that receives a wavelength-multiplexed optical signal is disclosed. The optical receiver implements two or more PD elements each receiving an optical signal contained in the wavelength-multiplexed optical signal, a switch that selects one of photocurrents output from the PD elements, an I/V converter that converts the photocurrent into a voltage signal by a variable resistor whose resistance is adjusted for respective photocurrent, and a digital-to-analog converter. The optical receiver estimates the power of the optical signals from look-up-tables correlating the power of the optical signals with the digitally converted photocurrents at the selected resistance of the variable resistor.
Technique for measuring reference signal received power
A technique for measuring Reference Signal Received Power (RSRP) is provided. The RSRP is measured based on Cell-specific Reference Signals (CRSs) provided by cells (102, 104) of a mobile telecommunications network (100). The CRSs of at least two of the cells overlap in time and frequency. As to a method aspect of the technique, a time offset for sub-frames received from the at least two cells is determined. The overlapping CRSs are received for a group of sub-carriers. A coarse channel state is estimated for each of the at least two cells by multiplying the received overlapping CRSs with a function of phase-shifted CRSs. The phase-shifted CRSs of different sub-carriers in the group include a phase-shift that corresponds to the determined time offset. The RSRP is measured for each of the at least two cells based on the estimated coarse channel state.
Optical identification beacon
A laser beacon may be attached to a vehicle, object, or personnel, or be incorporated into an existing vehicle optical emitter via software and/or hardware, that allows the vehicle, non-vehicle object, or associated personnel to be uniquely identified using a small telescope with a high-speed photodetector. The telescope may be an amateur telescope with a high speed-photodetector, which significantly reduces cost over more complex optical telescopes. Beacons may also be attached to objects that become space debris, such as fuel tanks, rocket stages, cubesat dispensers, and the like. The beacon may be suitable for use in space, in the air, on water, or on land.
Optical receiver module and optical module
An optical receiver module includes light-receiving elements each having a first electrode and a second electrode to which a bias is applied, and converting input optical signals into electric signals and outputting the electric signals from the first electrodes, and a carrier having wiring patterns respectively electrically connecting to the light-receiving elements and supporting the light-receiving elements. The wiring pattern includes a first wiring line electrically connecting to the first electrode and a second wiring line electrically connecting to the second electrode. The second wiring line has a high resistance portion having a higher resistance value than the other portions at least in a position overlapping with the light-receiving element to be connected and a low resistance portion having a lower resistance value than the high resistance portion at least in a position not overlapping with any of the light-receiving elements.
VCSEL based optical links in burst mode
Devices and methods are provided to reduce the wake-up time of a Vertical Cavity Surface Emitting Laser (VCSEL) used in a data communication link. For example, in one aspect, a method for optical communications includes, in an optical communication device including a light-emitting device, applying a bias current to the light-emitting device and transmitting a pulse to the light-emitting device before transmitting a preamble signal or data signal to the light-emitting device, wherein the pulse has a voltage greater than a highest voltage of the preamble signal or data signal.
Transmission system, transmission device, and transmission method
A transmission system includes: a first transmission device that receives a first signal from the work path; a second transmission device, coupled to a protection path in a redundant configuration with respect to the work path, that receives a second signal from the protection path; and a first communication device coupled to the first and second transmission devices, wherein the first communication device, when detecting switching information from the first transmission device, notifies the first transmission device of first switching notification information and notifies the second transmission device of second switching notification information, the first transmission device stops relaying the first signal to the first communication device in response to the first switching notification information from the first communication device, and the second transmission device starts to relay the second signal to the first communication device in response to the second switching notification information from the first communication device.
Full-duplex communication method for multi-hop wireless network
A full-duplex communication method for a multi-hop wireless network including a source end for transmitting data, a destination end as a destination of the data and at least one relay for connecting the source end and the destination end wirelessly includes sending a transmission request from the source end to the destination end through the at least one relay in forward order, sending a transmission confirmation from the destination end to the source end through the at least one relay in reverse order in response to the transmission request and the at least one relay entering a ready state, and transmitting the data from the source end to the destination end through the at least one relay using a full-duplex scheme after receiving the transmission confirmation.
System and selecting method for flexible allocations of antenna sub-arrays in multiple input multiple output systems
The invention provides a selection circuit and method of multiple input/output ports and antenna sub-arrays for reconfigurable hybrid beamforming. The selection circuit includes a plurality of digital signal processing modules, each electrically connected to a respective input/output port, a plurality of analog front end (AFE) and radio frequency (RF) chains, each electrically connected to a respective digital signal processing module, a plurality of multiplexing circuits, each electrically connected to any number of the AFE and RF chains, and a plurality of antenna sub-arrays, each electrically connected to a respective multiplexing circuit, wherein the multiplexing circuits set any number of the antenna sub-arrays to transmit/receive any number of electrical signals of input/output ports transmitted by the AFE and RF chains. The invention further provides a signal processing and transmission/reception system and a combination selection method of multiple input/output ports and antenna sub-arrays based on the selection circuit.
Data recovery of data symbols
In one or more embodiments, a plurality of PLC endpoints and a data processing circuit are configured to share information, in the form of data blocks over power lines in a power line communication (PLC) network. A first signal representing a transmitted one of the data blocks is received over a first one of the plurality of different communication channels. A second signal representing the transmitted one of the data blocks is received over a second one of the plurality of different communication channels. Information carried by said one of the data blocks is discerned, as a function of a signal versus noise measure associated with the first signal and the second signal, by combining energy from the first and second signals, and converting the combined energy for generating output data.
Optical rake receiver using an etalon detector
An optical receiver and communication method receives an optical signal by an optical resonator to provide an intensity modulated signal indicative of a modulation of the optical signal. The intensity modulated signal is provided to a channel receiver of a plurality of channel receivers, and the channel receiver recovers from the intensity modulated signal a multipath version of a transmitted signal embedded in the modulation of the optical signal. The channel receiver's output is combined with an output of at least one other of the plurality of channel receivers to provide a combined output signal.
Wireless communication apparatus and electronic apparatus
There is provided a wireless communication apparatus, including: an antenna including: an antenna element having one end portion that is opened; and a ground conductor to be used as a ground, to which another end portion of the antenna element is connected; a wireless device connected to the antenna; and a blocking member, which is arranged so as to be opposed to the antenna, and is configured to block an electromagnetic wave, wherein the blocking member is arranged so as to, in plan view from the blocking member side in a direction toward the antenna, avoid overlapping at least the one end portion of the antenna element and overlap the another end portion of the antenna element.
SAR-type analog-digital converter using residue integration
The present invention relates to a successive approximation register (SAR)-type analog-digital converter (ADC), which can amplify a residual voltage without a non-linearity problem caused by an output voltage of a residual voltage amplifier, thereby performing high-resolution analog-digital conversion at low power consumption.The SAR-type ADC may include: a coarse/fine SAR conversion unit configured to receive an analog input voltage and convert the received voltage into an MSB digital signal in a coarse SAR conversion mode, and receive a feedback voltage and convert the received voltage into an LSB digital signal in a fine SAR conversion mode; and a residue integration unit configured to repeatedly amplify a residual voltage with a predetermined gain by a predetermined number of times and output the amplified voltage as a final target multiple, the residual voltage corresponding to a voltage difference between the analog input voltage and an analog voltage obtained by converting the digital signal into an analog signal.
Segmented digital-to-analog converter
Disclosed examples include a segmented DAC circuit, including an R-2R resistor DAC to convert a first subword to a first analog output signal, an interpolation DAC to offset the first analog output signal based on an N-bit digital interpolation code signal to provide the analog output signal, and a Sigma Delta modulator to modulate a modulator code to provide the N-bit digital interpolation code signal that represents a value of second and third subwords.
Fractional clock generator with ramp control including fixed time interval and coarse/fine frequency change steps
A clock signal generator including a fractional clock divider and a frequency ramp control circuit. The fractional clock divider is configured to generate an output clock signal with a frequency being a divider ratio multiplied by a frequency of an input clock signal. The frequency ramp control circuit is configured to provide the fractional clock divider a set of divider ratios so that the frequency of the output clock signal is ramped in steps from a current frequency to a target frequency. The frequency ramp control circuit is configured to produce frequency change steps each having substantially the same duration. The frequency ramp control circuit is also configured to provide the set of divider ratios such as a first portion of the frequency ramp is performed using coarse frequency changes and a second portion of the ramp is performed using at least one fine frequency change.
An oscillator system includes a voltage controlled oscillator (VCO) circuit. The VCO circuit includes an output for providing an oscillation signal and input to receive a voltage that controls the frequency of the oscillation signal. The oscillator system includes a frequency to voltage circuit that receives the oscillation signal and produces a voltage that is dependent upon the frequency of the oscillation signal. The oscillator system includes a comparison circuit including an amplifier. The amplifier includes an inverting input, a non inverting input, and an output. During a first phase of the comparison circuit, the non inverting input receives a reference voltage and the inverting input is coupled to the output of the amplifier via a switch and to a capacitor wherein the capacitor samples the voltage of the output. During a second phase of the comparison circuit, the non inverting input receives the voltage produced by the frequency to voltage circuit and the switch between amplifier output and inverting input is open wherein the inverting input is coupled to the capacitor to receive the sampled voltage value. During the second phase, the output of the amplifier is provided to the input of the VCO circuit.
Single-lock delay locked loop with cycle counter and method therefor
Once a delay locked loop has been locked to a clock signal, an omitted clock cycle is injected into the input of the delay locked loop without stopping the operation of the delay locked loop. The omitted cycle is later detected at an output of the delay locked loop, and the delay between the input and output is determined based on the time the omitted cycle requires to propagate through the delay locked loop. Once determined, the number of cycles of delay for the delay locked loop can be used in conjunction with an internal clock signal to launch data and/or data strobes from memory devices and memory controllers such that the proper phase alignment and clock cycle alignment is achieved.
Replica cascode bias voltage-controlled oscillators
Embodiments relate to a voltage oscillator (VCO) that uses a replica bias circuit to generate a cascode bias voltage. The VCO generate an output periodic signal having a frequency and phase that is less or not susceptible to voltage swings by using a bias voltage generated in a replica bias circuit that replicates a voltage-to-current converter in the VOC. The bias voltage is generated and regulated according to a power supply voltage that supplies power to the VCO to account for voltage variations in the power supply voltage.
Signal transmitting circuit
A signal transmitting circuit may include: a logic gate coupled in series to transmit a signal, and operated by a first supply voltage; a pre-driver circuit suitable for generating a pull-up control signal and a pull-down control signal in response to the transmitted signal, wherein a second supply voltage having a level greater than the target level of the first supply voltage is used to generate the pull-up and pull-down control signals; a first NMOS transistor suitable for pulling up an output node using the first supply voltage, in response to the pull-up control signal; a second NMOS transistor suitable for pulling down the output node using a pull-down voltage, in response to the pull-down control signal; and an initialization circuit suitable for initializing the pull-up and pull-down control signals when the level of the first supply voltage is less than a reference value, before a power-up signal is enabled.
Device and method for digital signal transmission
A system and method for digital signal reception comprise outputting first and second digital transmission signals complementary to each other. Further, a first and second output signals are outputted. The first output signal has a logical value based on a product of a logical value of the first digital transmission signal and a logical value complementary to a logical value of the second digital transmission signal is outputted. The second output signal has a logical value based on a sum of a logical value complementary to the logical value of the first digital transmission signal and the logical value of the second digital transmission signal.
Device and method for detecting semiconductor substrate thickness
Embodiments of devices and method for detecting semiconductor substrate thickness are disclosed. In an embodiment, an IC device includes a semiconductor substrate, a charge emitter embedded in the semiconductor substrate and configured to produce an electrical charge in the semiconductor substrate and a charge sensor embedded in the semiconductor substrate and configured to generate a response signal in response to the electrical charge produced in the semiconductor substrate. The magnitude of the response signal depends on the thickness of the semiconductor substrate.
Digital circuits having improved transistors, and methods therefor
Digital circuits are disclosed that may include multiple transistors having controllable current paths coupled between first and second logic nodes. One or more of the transistors may have a deeply depleted channel formed below its gate that includes a substantially undoped channel region formed over a relatively highly doped screen layer formed over a doped body region. Resulting reductions in threshold voltage variation may improve digital circuit performance. Logic circuit, static random access memory (SRAM) cell, and passgate embodiments are disclosed.
System and method for identifying objects using capacitive sensing technology
Embodiments disclosed herein provide for an improved system and method of identifying objects using capacitive sensing technology. Embodiments provide for a sensing array including a plurality of capacitive sensor pads, as well as a microcontroller configured to detect and identify the plurality of objects. Embodiments further provide for encoding each of the plurality of objects with a unique ternary code.
System for controlling power device
The present disclosure provides a system for controlling a power device including one or more power elements, one or more drive modules configured to provide a drive signal with respect to the one or more power elements through a signal line and provided with a first wireless module, and an upper level controller configured to a control signal with respect to the one or more drive modules through a signal line and provided with a second wireless module corresponding to the first wireless module, wherein each of the one or more drive modules transmits state information of the one or more power elements and the one or more drive modules to the second wireless module through the first wireless module, and the upper level controller transmits a control signal corresponding to the state information to the first wireless module through the second wireless module.
Bootstrapped switching circuit
The trend in wireless communication receivers is to capture more and more bandwidth to support higher throughput, and to directly sample the radio frequency (RF) signal to enable re-configurability and lower cost. Other applications like instrumentation also demand the ability to digitize wide bandwidth RF signals. These applications benefit from input circuitry which can perform well with high speed, wide bandwidth RF signals. An input buffer and bootstrapped switch are designed to service such applications, and can be implemented in 28 nm complementary metal-oxide (CMOS) technology.
Asynchronous clock signal generator and semiconductor device for correcting multi-phase signals using asynchronous clock signal
A semiconductor device includes a delay circuit configured to adjust a delay amount of multi-phase input signals to output multi-phase signals; a clock generator configured to output a clock signal that is not synchronized with an input signal which corresponds to one of the multi-phase signals; a detector circuit configured to generate a pulse signal corresponding to a phase difference between a reference signal corresponding to a predetermined one of the multi-phase signals and a comparison signal corresponding to a selected one of the multi-phase signals and to sample the pulse signal according to the clock signal; and a controller circuit configured to output a delay control signal for controlling a delay amount of the multi-phase input signals or controlling a delay amount of the comparison signal according to a result of calculating an output of the detector circuit and a reference value corresponding to the phase difference.
Arbitrary delay buffer
A signal may be arbitrarily delayed in discrete steps by an arbitrary delay buffer having an analog delay and a digital delay. An analog delay may have a number of selectable delay stages (e.g. ring oscillator with VCDL stages). A digital delay may have rising and falling edge detectors, resettable ring oscillators that oscillate in response to rising or falling edges and counters to count oscillations and generate rising and falling edge delay signals when oscillation counts reach rising and falling edge delay counts. A resettable ring oscillator may have a resettable stage (e.g. VCDL) that may be enabled and disabled. Selection of one or both digital and analog delays and respective delay times may be based on one or more characteristics. For example, an analog delay may delay an input signal or a delayed input signal received from the digital delay based on input signal frequency or total delay.
Electronic latch circuit and a generic multi-phase signal generator
An electronic latch circuit (100) and a multi-phase signal generator (300) are disclosed. The electronic latch circuit (100) comprises an output circuit (105) comprising a first output (X, 106), a second output (Y, 107) and a third output (Z, 108). The electronic latch circuit (100) further comprises an input circuit (101) comprising a first input (A, 102), a second input (B, 103) and a clock signal input (CLK, 104). The electronic latch circuit (100) is configured to change state based on input signals at the inputs (A, B, CLK) of the input circuit (101) and a present state of the output circuit (105). The multi-phase signal generator (300) comprises a plurality N of the electronic latch circuit (100) for generating N phase signals with individual phases. The plurality N of the electronic latch circuit (100) are cascaded with each other.
Energy efficient, robust differential mode d-flip-flop
A differential sense flip flop (DSFF) that is named the Kulkarni Vrudhula flip flop (KVFF) is disclosed. In one embodiment, the DSFF includes a differential sense amplifier and an SR latch. The differential sense amplifier includes a first amplifier branch having a first output node, a second amplifier branch having a second, a first switchable discharge path, and a second switchable discharge path. The first switchable discharge path is closed to discharge the first output node when first output node is being discharged by the first amplifier branch and the second switchable discharge path is closed to discharge the second output node when second output node is being discharged by the second amplifier branch. This prevents the output nodes from floating and increases the reliability and robustness of the DSFF.
Signal generation and waveform shaping
Measures, including apparatus, methods and computer program products, for generating an output signal with a defined waveform shape are provided. A plurality of switched inductor arrangements are each connected in parallel to generate a combined output signal. Each of the switched inductor arrangements are selectively enabled, wherein the number of enabled switched inductor arrangements is varied to define a waveform shape of the combined output signal.
Method for compensating effects of substrate stresses in semiconductor devices, and corresponding device
A semiconductor substrate includes a first portion and a second portion. The first portion of the substrate has a first deformation-stress sensor capable of supplying a first stress signal. The second portion of the substrate has a second deformation-stress sensor capable of supplying a second stress signal. The first stress signal and second stress signal are processed by a circuit to produce a compensation signal. The compensation signal is applied in feedback to one of the first and second stress signals to compensate for variations induced in said one of the first and second stress signals by stresses in the semiconductor substrate.
Systems and methods for cyclostationary feature elimination
Systems (400) and methods for removing dither introduced into a transmitted RF signal. The method comprising: receiving, by a receiver, the transmitted RF signal; converting, by the receiver, the transmitted RF signal into a discrete-time IF signal comprising a sequence of samples, where at least a first sample of said samples has a first sample duration different than a second sample duration of at least a second sample of said samples; and performing operations by a sub-sample dither removal device of the receiver to modify a sample timing of the discrete-time IF signal by decreasing or increasing the first sample duration of the first sample using a digital signal processing technique in a digital domain.
A frequency-variable filter includes a filter unit and matching circuits. The filter unit includes frequency-variable resonance circuits that include piezoelectric resonators. The matching circuits have a circuit configuration in which a real number component of an impedance increases as the frequency increases. For example, the matching circuits have an L-type circuit configuration that includes a reactance element connected in shunt to the side of the filter unit and that includes an inductor and a capacitor. As the filter unit includes the piezoelectric resonators, the real number component of the impedance increases as the pass band shifts to a high-frequency side, but the real number component of the impedance increases as the frequency increases in the matching circuits as well. Thus, the impedance matching is achieved.
Elastic wave device, high-frequency front end circuit, and communication apparatus
An elastic wave device includes a piezoelectric substrate, an IDT electrode including a first electrode layer which is provided on the piezoelectric substrate and contains Pt as a main component and a second electrode layer which is laminated on the first electrode layer and contains Cu as a main component, and a dielectric film that is provided on the piezoelectric substrate and covers the IDT electrode. The piezoelectric substrate is made of lithium niobate. The dielectric film is made of silicon oxide. The elastic wave device uses Rayleigh waves propagating along the piezoelectric substrate.
Acoustic wave device
An acoustic wave device includes: a first substrate that includes a first acoustic wave filter located on an upper surface of the first substrate; a second substrate that is flip-chip mounted on the upper surface of the first substrate through a bump, and includes a second acoustic wave filter on a lower surface of the second substrate, the lower surface of the second substrate facing the upper surface of the first substrate across an air gap; and a shield electrode that is supported by the upper surface of the first substrate, and is located between at least a part of the first acoustic wave filter and at least a part of the second acoustic wave filter through the air gap.
Piezoelectric thin film resonator and filter
A piezoelectric thin film resonator includes: a substrate; a lower electrode and an upper electrode located on the substrate; a piezoelectric film, at least a part of the piezoelectric film being sandwiched between the upper electrode and the lower electrode, the piezoelectric film including a discontinuous portion in which the piezoelectric film discontinues in at least a part of a region surrounding a center region that includes a center of a resonance region where the upper electrode and the lower electrode face each other across the at least a part of the piezoelectric film.
Method for impedance matching of plasma processing apparatus
Each of a first high frequency power supply and a second high frequency power supply of a plasma processing apparatus is configured to selectively output a continuous wave, a modulated wave and a double-modulated wave. A first average value which determines an impedance at a load side of the first high frequency power supply and a second average value which determines an impedance at a load side of the second high frequency power supply are obtained by using any one of two averaging methods depending on a first high frequency power output from the first high frequency power supply and a second high frequency power output from the second high frequency power supply. An impedance matching of each of a first matching device and a second matching device is performed based on the first average value and the second average value.
Electronic circuit and method for mounting electronic circuit
There has been a problem of generating anti-resonance between a three-terminal capacitor and a capacitor when the three-terminal capacitor and the capacitor are mounted. In order to solve the problem, this electronic circuit includes: a capacitor and a three-terminal capacitor, which are connected to a power supply terminal of a circuit component, and a power supply, and which are connected in parallel to each other between the power supply and ground; and a resistor that is connected in series between the ground and a ground terminal of the three-terminal capacitor and/or the capacitor.
Integrated calibration circuit and a method for calibration of a filter circuit
A calibration circuit and a method for calibrating a RC circuit, such as a high-pass filter, of an integrated circuit are provided. The calibration circuit comprises a filter arrangement having tuneable filter for filtering an input signal having a predetermined frequency. The filter comprises tuneable resistor elements, a saturation detector for detecting saturation and non-saturation of the tuneable filter by comparing a comparison voltage with the signal voltage of the filtered input signal, calibration control logic for providing incrementing and decrementing counter signals. The calibration circuit sets the comparison voltage to a first threshold voltage provides iteratively the incrementing counter signal to the filter until saturation is detected reduces the comparison voltage to a predetermined second threshold voltage after saturation is detected, the second threshold voltage being a lower value than the first threshold voltage, and provides the decrementing counter signal to the filter until non-saturation is detected.
Radio frequency device
Radio frequency devices and methods are provided where a network like a filter network or impedance matching network comprises a series connection of at least two inductors.
Amplifier circuit, corresponding system and device
A circuit for amplifying signals from a Micro Electro-Mechanical System (MEMS) capacitive sensor is provided. First and second input nodes receive a sensing signal applied differentially between the input nodes. A first amplifier stage and a second amplifier stage, respectively, produce a differential output signal between first and second output nodes. A common mode signal is detected at the output nodes. A voltage divider having an intermediate tap node is coupled between the first output node and the second output node. A feedback stage is coupled between the tap node of the voltage divider and the inputs of the first amplifier stage and the second amplifier stage, where the feedback line is sensitive to the common mode signal at the output nodes.
Method and system for a feedback transimpedance amplifier with sub-40KHZ low-frequency cutoff
A system for a feedback transimpedance amplifier with sub-40 khz low-frequency cutoff is disclosed and may include amplifying electrical signals received via coupling capacitors utilizing a transimpedance amplifier (TIA) having feedback paths comprising source followers and feedback resistors. The feedback paths may be coupled prior to the coupling capacitors at inputs of the TIA. Voltages may be level shifted prior to the coupling capacitors to ensure stable bias conditions for the TIA. The TIA may be integrated in a CMOS chip and the source followers may comprise CMOS transistors. The TIA may receive current-mode logic or voltage signals. The electrical signals may be received from a photodetector, which may comprise a silicon germanium photodiode and may be differentially coupled to the TIA. The chip may comprise a CMOS photonics chip where optical signals for the photodetector in the CMOS photonics chip may be received via one or more optical fibers.
Voltage detection circuit
A voltage detection circuit includes two detection capacitors, which are paired and configured differentially, first to third detection switches, a drive part, a minimum selector and a maximum selector. The first detection switch is formed of a pMOS transistor, which opens and closes a path between one of the detection capacitors and an input node. The second detection switch is formed of an nMOS transistor, which opens and closes a path between the other of the detection capacitors and an input node. The third detection switch is formed of a series circuit of a pMOS transistor and an nMOS transistor, which open and close a path between two detection capacitors. The driving part turns on and off complementarily between the first and second switches and the third detection switch. The minimum selector applies a lower one of voltages of the input nodes as a substrate potential of the nMOS transistor. The maximum selector applies a higher one of the voltages of the input nodes as a substrate potential of the pMOS transistor.
Power amplification system with adjustable common base bias
Power amplification system with adjustable common base bias. A power amplification system can include a cascode amplifier coupled to a radio-frequency input signal and coupled to a radio-frequency output. The power amplification system can further include a biasing component configured to apply one or more biasing signals to the cascode amplifier, the biasing component including a bias controller and one or more bias components. Each respective bias component may be coupled to a respective bias transistor.
Systems and methods for thermal management for telecommunications enclosures using heat pipes
Systems and methods for thermal management for telecommunications enclosures are provided. In one embodiment, a method for thermal management for modular radio frequency (RF) electronics housed within an electronics enclosure comprises: distributing heat generated from an RF electronics component installed on a first thermal region of an electronics module base plate across the first thermal region using at least one primary heat pipe that laterally traverses the first thermal region; distributing heat generated from the RF electronics component to a second thermal region using at least one secondary heat pipe not parallel with the at least one primary heat pipe; conductively transferring heat across a thermal interface between the electronics module back-plate and a backplane of an electronics enclosure that houses the electronics module, wherein the backplane comprises a plurality heat sink fins aligned with the at least one primary heat pipe and the at least one secondary heat pipe.
Cascode amplifier bias circuits
Bias circuits and methods for silicon-based amplifier architectures that are tolerant of supply and bias voltage variations, bias current variations, and transistor stack height, and compensate for poor output resistance characteristics. Embodiments include power amplifiers and low-noise amplifiers that utilize a cascode reference circuit to bias the final stages of a cascode amplifier under the control of a closed loop bias control circuit. The closed loop bias control circuit ensures that the current in the cascode reference circuit is approximately equal to a selected multiple of a known current value by adjusting the gate bias voltage to the final stage of the cascode amplifier. The final current through the cascode amplifier is a multiple of the current in the cascode reference circuit, based on a device scaling factor representing the relative sizes of the transistor devices in the cascode amplifier and in the cascode reference circuit.
Amplifier devices with back-off power optimization
The embodiments described herein include amplifier devices that are typically used in radio frequency (RF) applications. The amplifier devices described herein use a plurality of phase shifters to provide selectable back-off power. Specifically, the amplifier devices can be implemented with phase shifters having phase shift values selected to provide a desired back-off power.
Broadband envelope tracking
An envelope tracking scheme can be used, such as to modulate a supply node of a power amplifier circuit to improve efficiency. For example, a magnitude or amplitude envelope of a signal to be modulated can be scaled and used to drive a node, such as a drain, of the power amplifier circuit. An envelope tracking signal can be generated such as having a bandwidth that is compressed as compared to a full-bandwidth envelope signal. A peak-value “look ahead” technique can be used, for example, so that amplitude compression or clipping of the transmit signal is suppressed when the bandwidth-compressed envelope tracking signal is used to modulate a supply node of the power amplifier used to amplify the transmit signal.
High-frequency semiconductor amplifier circuit
According to an embodiment, a high-frequency semiconductor amplifier circuit includes an input terminal and an output terminal. A gate of a first transistor is connected to the input terminal. A drain of the first transistor is connected to the output terminal. A second transistor is connected between a source of the first transistor and a reference potential terminal. A bias generation circuit has an input control signal terminal, a bias voltage terminal connected to the gate of the first transistor, a control voltage terminal connected to a gate of the second transistor, and an intermediate voltage terminal connected to the drain of the first transistor. The bias generation circuit supplies a control voltage, a bias voltage, and a first voltage according to the input control signal.
High-gain low noise figure complementary metal oxide semiconductor amplifier with low current consumption
A radio frequency low noise amplifier circuit with a receive signal input, a receive signal output, and a voltage source include a low noise amplifier and a coupled inductor circuit with a primary inductive chain connected to the output of the low noise amplifier and to the voltage source. The coupled inductor circuit further includes a secondary inductive chain with a first inductor electromagnetically coupled to the primary inductive chain, and a second inductor in series with the first inductor and magnetically coupled to the primary inductive chain. The second inductor is connected to a feedback node of the low noise amplifier. There is an output matching network connected to the first inductor of the secondary inductive chain and to the receive signal output.
Single sideband mixer and method thereof
A circuit having a first Gilbert cell mixer of a first type configured to receive phases of first and second signals and output a first current pair to a first node and a second node; a first Gilbert cell mixer of a second type configured to receive output a second current pair to the first node and the second node; a second Gilbert cell mixer of the first type configured to receive phases of the first and second signals and output a third current pair to the first node and the second node; a second Gilbert cell mixer of the second type configured to output a fourth current pair to the first node and the second node; a cross-coupling inverter pair configured to cross couple the first node and the second node; and a load placed across the first node and the second node and configured to resonate at a frequency approximately equal to either a sum of a frequency of the first signal and a frequency of the second signal or a difference of the frequency of the first signal and the frequency of the second signal.
Voltage controlled oscillator
A voltage controlled oscillator includes a resonance unit, coupling unit and source degeneration unit. The resonance unit includes two first inductors and two first variable capacitors. The first inductor is electrically connected to the first variable capacitor. The coupling unit includes a first transistor and a second transistor. Power supply input terminals of the first and second transistors are electrically connected to the resonance unit. The source degeneration unit includes two adjustable inductors, two fourth inductors and two second variable capacitors. The adjustable inductors are connected to power supply output terminals of the first and second transistors, respectively. The second variable capacitor is electrically connected to the adjustable inductor and the fourth inductor, wherein equivalent inductance of the adjustable inductor is adjusted, such that input impedance looking in the direction away from the resonance unit from the power supply input terminal is featured by negative capacitance.
Solar cell monitoring device
A solar cell monitoring device includes: an inverter; connection boards which include multiple string circuits, respectively; a terminal block which is provided at an input side of the inverter, and includes multiple branch terminals which are connected to wires that are connected to the connection boards, respectively and supply direct current power to the inverter; detection elements which are provided at a side of the branch terminals; and a measurement unit which measures the currents of the wires which are detected by the detection elements.
Functionally integrated detachable photovoltaic module junction box
A functionally integrated detachable photovoltaic module junction box has a base part and an upper cover part. The base part has string ports and two power supply ports. The string port electrically connects to strings on a photovoltaic module. The upper cover part has a circuit board therein. The circuit board has an optimizing and monitoring circuit and multiple electrical connection pieces connected to the optimizing and monitoring circuit. The electrical connection pieces are detachably connected to the string ports and the power supply port on the base part, for the optimizing and monitoring circuit to perform such functions as component optimization, monitoring, communication and shutdown on the photovoltaic module. Use of the junction box reduces the production, assembly and maintenance costs. When the junction box requires maintenance, only the upper cover part is needed to be replaced, thereby quickly completing the repair.
Micro-concentrator solar array using micro-electromechanical systems (MEMS) based reflectors
A method and apparatus for focusing light onto a plurality of solar cells. The apparatus comprises a plurality of solar cells, a plurality of groups of reflectors corresponding to the plurality of solar cells, and a control module in communication with the plurality of solar cells and the plurality of groups of reflectors. The control module includes control logic for monitoring an electrical output from the plurality of solar cells and repositioning the plurality of groups of reflectors when the electrical output is below a selected threshold.
Cordless power tool system
A cordless power tool system including (a) a multi-voltage battery pack for use with tools of different operating voltages including a housing, a first string of battery cells arranged in electrical series and disposed inside the housing, a second string of battery cells arranged in electrical series and disposed inside the housing, and a power tool interface shaped and configured to interchangeably (1) mechanically and electrically couple with a first battery pack interface of a first power tool that is configured to operate at a first operating voltage, and (2) mechanically and electrically couple with a second battery pack interface of a second power tool that is configured to operate at a second operating voltage, and (b) a battery pack charger configured to charge the multi-voltage battery pack.
Control of long-stator linear motor coils of long-stator linear motor stator
A method and device for controlling the n LLM coils of an LLM stator making it possible to change the polarity of the coil voltage of the n LLM coils more easily and with little circuit complexity. It is proposed to apply a first operating potential to n first input terminals of n half bridges, and apply a second operating potential to n second input terminals of the n half bridges. For each half bridge, a first switch is connected between a center point of the respective half bridge and the first input terminal, and a second switch is connected between the center point of the relevant half bridge and the second input terminal. The center point of the n half bridges is connected in each case to n first terminals of then LLM coils, and the second terminals of then LLM coils are connected in a control point that is regulated to a predetermined potential.
Field winding synchronous machine drive system
A field winding synchronous machine drive system includes a field winding synchronous machine having a stator and a rotor and a drive apparatus configured to drive the field winding synchronous machine. The stator has N m-phase stator coils wound on a stator core to create a rotating magnetic field, where N is an integer not less than 2 and m is an integer not less than 3. The rotor has at least one main field winding wound on a rotor core to create field magnetic flux. The drive apparatus includes N inverters each of which supplies m-phase alternating current to a corresponding one of the N m-phase stator coils. Specifically, each of the inverters supplies the corresponding m-phase stator coil with the m-phase alternating current which includes a fundamental-wave current and a time-harmonic current superimposed on the fundamental-wave current; the time-harmonic current has a shorter period than the fundamental-wave current.
Electric motor control apparatus and electric motor control method
An electric motor control apparatus controls an electric motor system that includes a power converter including switching elements and a three-phase alternating-current motor. The electric motor control apparatus includes generating devices for generating modulation signals by respectively adding corresponding triple harmonic signals to phase voltage command signals and a control device for controlling switching elements on the basis of a magnitude relation between each of the modulation signals and a carrier signal. Each of the triple harmonic signals includes a signal component that increases the absolute value of a peak value of a signal level of the corresponding modulation signal above the absolute value of a peak value of a signal level of the carrier signal in a corresponding one of phases.
Transformer and priming circuit therefor
The invention relates to transformers. More particularly, the invention relates to transformers using (preferably electrostatic and more preferably dielectric elastomer) transducers such as generators and actuators. The invention further provides a priming circuit therefor.
DC bias prevention in transformerless inverters
A transformerless DC to AC inverter providing an AC output at a power line voltage and at a power line frequency suitable for driving AC loads or appliances and having DC bias measurement circuitry for continuously assessing the magnitude of any DC bias component on the AC output, such as due to fault conditions or non-linear loads, and operative to eliminate or reduce any unwanted DC bias component from the AC output.
Direct conversion switched-mode AC/DC converter
An AC/DC conversion circuit, including: four bidirectional switches forming an H bridge; a capacitor connected between input nodes of the bridge; a capacitor connected between output nodes of the bridge; and a control circuit capable of controlling the bridge alternately to a first configuration where first and second diagonals of the bridge are respectively conductive and non-conductive, and to a second configuration where the first and second diagonals are respectively non-conductive and conductive, the control circuit being capable, during a phase of transition between the first and second configurations, of: turning off the switches of the first diagonal; and for each switch of the second diagonal, turning on the switch only when the voltage thereacross takes a zero value.
Electrical power conversion device
An electric power conversion device has semiconductor modules, a main P bus bar, a main N bus bar, a capacitor module, an input P bus bar and an input N bus bar. The input N bus bar is connected to the DC power source. The main N bus bar is connected to a negative electrode terminal of the semiconductor module to supply the DC power. A capacitor N bus bar, a filter capacitor and a smoothing capacitor in the capacitor module are molded by capacitor molded resin. The capacitor N bus bar is connected to a negative electrode terminal of the filter capacitor. The input N bus bar has a first N connection section connected to the capacitor N bus bar and a second N connection section connected to the main N bus bar. The main N bus bar is arranged outside of the capacitor mold resin.
Method for driving a resonant converter, and corresponding converter and computer program product
A driving module of a resonant converter receives an enabling signal and a voltage across a switch of a secondary side, and generates a control signal for first and second switches of the secondary side. The driving module cyclically controls switches of a primary full-bridge switching stage and both switches of the secondary side. After a fixed time, the driving module turns off the low-side switch and turns on the high-side switch, waits for a rising edge of the enabling signal, waits for zero current in the secondary side switches, turns off the first switch via the control signal after a variable delay relative to the rising edge of the enabling signal, keeps the second switch on, waits for zero voltage across the first switch, switches back on the first switch via the control signal when the voltage measured across the first switch drops below a variable threshold.
Systems and methods of operation for power converters having series-parallel mode active clamps
Systems and methods for operating improved flyback converters are disclosed, in which leakage energy is returned to the input power source rather than to the output load, while still achieving zero voltage switching (i.e., ZVS) operation. In some embodiments, the improved converters may transfer the energy stored in the leakage inductance to a snubber capacitor(s) at the instant of turning off of the control switch. Further, the improved converter embodiments may also retain the stored energy in the snubber capacitor(s) when the power is being delivered to the load by the secondary circuits. The improved converter embodiments may start the transfer of leakage energy stored in the snubber capacitor(s) to the primary winding once the energy stored in the transformer is delivered to the load. Finally, the improved converter embodiments may intelligently control their active clamp switches such that all leakage inductance energy is returned to the input source.
Device for avoiding hard switching in resonant converter and related method
A circuit includes a timer circuit configured to generate a first control signal defining a first time period and a second control signal defining a second time period. A controller is configured to control a high-side and a low-side transistor of a half-bridge circuit in response to the first and second control signals only during a first switching cycle of the half-bridge circuit. The half-bridge circuit includes a bootstrap capacitor coupled to a node between the high-side and low-side transistors. The controller turns on the low-side transistor for the first time period during the first switching cycle and configured turns off the low-side and the high-side transistors for the second time period during the first switching cycle.
AC-DC converting apparatus and method thereof
An AC/DC converting apparatus having first and second input nodes for receiving an AC input voltage Vin, a first pair of switches for coupling a first terminal of a first inductor to the first input node and ground, a second pair of switches for coupling a second terminal of the first inductor to an output node for providing a DC output voltage Vout and ground, a third pair of switches for coupling a first terminal of a second inductor to the second input node and ground, and a fourth pair of switches for coupling a second terminal of the second inductor to the output node and ground. The first pair of switches is turned ON when Vin is in a first portion having a first polarity, the third pair of switches is turned ON when Vin is in a second portion having a second polarity.
Digital voltage compensation for power supply integrated circuits
Systems and methods for digital voltage compensation in a power supply integrated circuit are provided. In at least one embodiment, a method comprises receiving a digital voltage code, the digital voltage code corresponding to an output voltage value; setting an output count on a first counter to change from a present first digital count corresponding to a present voltage code value toward a target first digital count corresponding to a new voltage code value; and setting a second count to an offset count value on a second counter when the new voltage code value is received. The method also comprises combining the second count with the output count to form a combined count value; and decrementing the second count value from the offset count value to zero when the first counter reaches the target first digital count.
Charge pump circuit and internal voltage generation circuit including the same
A charge pump circuit may include a charge pump unit suitable for performing a charge pump operation until an output voltage reaches a target voltage; and a multi-stage charge sharing unit comprising first to Nth capacitors coupled in parallel between the charge pump unit and a load circuit, the multi-stage charge sharing unit being suitable for sequentially performing first to Nth charge sharing operations between the first to Nth capacitors, respectively, and the load circuit after the charge sharing operation, wherein the first to Nth charge sharing operations are mutually and exclusively performed, and N is a natural number equal to or greater than 2.
Type III switching converter error amplifier with fast transient response behavior
A transient response circuit provides faster transient response time of an electronic device so that less overshoot or undershoot of an output signal of the electronic device occurs when a large load and/or line transient signal is present at an input and/or output terminal of the electronic device. The transient response circuit has a transient detection circuit and an assist circuit. The transient detection circuit monitors a feedback signal applied to an input terminal of the control stage, and generates transient detection signals indicating that detection of a large load and/or line transient signal has occurred. The assist circuit communicates receives the transient detection signal and charges or discharges a loop filter capacitor of the control stage for causing the control stage to regulate the output signal to decrease overshoot or undershoot upon receipt of the transient detection signal.
Power conversion devices and control methods therefor
Power conversion devices with control algorithms that can solve the double frequency harmonic problem are provided, as are techniques for controlling power converters when the instantaneous values of input and output power are not the same.
Electric motor and manufacturing method for electric motor
An electric motor includes: a rotor having a rotor yoke and a magnet; and a stator formed by stacking, in a rotation axis direction of the rotor, a plurality of electromagnetic steel sheet layers in each of which a plurality of electromagnetic steel sheets each having two teeth is annularly arranged. A core of a coil provided in the stator is formed of the teeth stacked in the rotation axis direction, there are two types of phases for arrangement of a plurality of electromagnetic steel sheets in one electromagnetic steel sheet layer, and the stator includes the electromagnetic steel sheet layers having the two types of phases.
Stator and motor provided with outer cylinder
A stator which prevents deformation of component elements of the stator and which effectively removes heat generated by coils at the time of operation. The stator of a motor comprises a stator core having a cylindrical back yoke and teeth projecting out from the back yoke to the inside in the diametrical direction, coils wound around the teeth, an outer cylinder surrounding the back yoke, and heat conducting parts abutting against both an inner circumferential surface of the outer cylinder and coil ends of the coils.
Engine starter system
Embodiments of the invention provide a starter that includes a motor with an armature that is coupled to a pinion. In some embodiments, the starter can include a main field coil that can be configured and arranged to produce a main magnetic field flux. Some embodiments include at least one auxiliary flux assembly arranged in close proximity with the main field coil and electrically disconnected from it. In some embodiments, a control system can operatively power the main field coil to produce a magnetic field flux. In some embodiments, the at least one auxiliary flux assembly can provide a supplementary field flux adding to the main magnetic field flux that interacts with the armature.
Electric motor and heat sink apparatus using the same
An electric motor includes a frame, a sleeve, a stator and a rotor. The frame includes a frame housing having a cylindrical shape whose one end is open. The sleeve has a cylindrical shape and fitted in the frame housing. The stator is attached to an outer peripheral part of the frame housing. The rotor includes a rotating shaft that is rotatably and pivotally supported by the sleeve, and a magnet that is disposed opposite to the stator. One end of the rotating shaft is fixed. The rotating shaft has a columnar shape. Oil is provided to a gap between rotating shaft and the sleeve.
Bearing arrangement in an axial drive with dual stators and one rotor
The invention relates to a drive device, particularly comprising an internal rotor motor, with a motor housing, a stator for a winding and a rotor having at least one permanent magnet, wherein the motor housing has a housing part extending substantially radially on one side of the stator and the rotor has two rotor bearings. The rotor bearings are arranged on the substantially radially extending housing part or on a part connected thereto which extends substantially axially.
Rotary electric machine having stator with neutral bus-bar disposed between phase bus-bars
Obtain a rotary electric machine in which an insulation capability of bus-bar units is maintained in order to supply current to a coil of a stator of the rotary electric machine, and the whole stator can be downsized. In the arc-shaped bus-bar units which are laminated and arranged on a coil end of a stator of the rotary electric machine, a neutral-point bus-bar unit, which includes a neutral-point bus-bar is arranged at a midpoint of phase's bus-bar units, which include phase's bus bars.
Stator for rotary electric machine and method for manufacturing the same
Stator for rotary electric machine has stator core and stator coil. The stator core has plural slots. The stator coil has a one-side conductor segment, a first other-side conductor segment, and a second other-side conductor segment. In the one-side conductor segment, a first leg and a second leg are inserted in first and second slots from one axial end side of the stator core. In the first other-side conductor segment, a third leg is inserted in the first slot from another axial end side of the stator core. In the second other-side conductor segment, a fourth leg is inserted in the second slot from the other axial end side of the stator core. The stator coil is formed such that the opposing legs are joined in each of the slots and a plurality of the one-side conductor segment and a plurality of the other-side conductor segment are sequentially joined.
Rotor, motor, pump and cleaning apparatus
A rotor, motor, pump and a cleaning apparatus are provided. The rotor includes a shaft and two magnets fixed to the rotary shaft. Each magnet comprises a radial outer surface, a radial inner surface, and two connecting surfaces that connect the radial outer surface and the radial inner surface at opposite ends of the magnet. The radial outer surface has an arc section. The radial inner surfaces of the two magnets cooperatively define an inner bore for the shaft to pass therethrough. A ratio of a pole arc angle of each magnet to a 180-degree angle is in the range of 0.75 to 0.95.
Forged magnet wheel for motor vehicle alternator provided with permanent interpolar magnets
The pole wheel according to the invention is intended for the rotor of a Lundell rotating electric machine. The pole wheel is obtained entirely by forging and comprises a central core provided with a central bore in a central axis of the pole wheel intended to receive a shaft of the rotor, a plurality of pole teeth (10g, 11g) distributed in a regular manner at the circumference of the pole wheel and extending substantially parallel to the central axis of the pole wheel, and an annular part forming a plate and extending between the central core and parts forming bases of the pole teeth. According to the invention, the pole wheel comprises a plurality of reservoirs (105) provided in the parts forming bases of the pole teeth.
Predictive phase tracking in wireless power delivery environments
Systems and methods are described for receiving wireless power and providing wired power. In some embodiments, a predictive phase estimation apparatus comprises a transceiver module configured to receive a plurality of beaconing signals from a wireless client during a beacon cycle. The predictive phase estimation apparatus also comprises a phase compensation module configured to store the received plurality of beaconing signals, a phase predictor module is coupled to the transceiver module and configured to calculate predictive phases based on the received plurality of beaconing signals and based on beaconing signals received from the wireless client prior to the beacon cycle, and a signal converter coupled to the transceiver module. The signal converter is configured to form transmission signals based on the predictive phases and supply the transmission signals to the transceiver module. The transceiver module also transmits the transmission signals for delivery of wireless power to the wireless client.
Method and system of wireless power transfer foreign object detection
A wireless power transfer foreign object detector having, at least one secondary receiver coil, an adjustable load electrically coupled to the at least one secondary receiver coil, and at least one temperature sensor providing at least one temperature detection signal, wherein the at least one temperature sensor responsive to at least one thermal state of the at least one secondary receiver coil, and wherein foreign object detection is based at least in part upon the at least one temperature detection signal.
Wireless power transfer to multiple receiver devices across a variable-sized area
A method for wireless power transfer. The method includes adapting a variable form factor transmitter into an adapted form factor based on a pre-determined wireless power transfer area, wherein the variable form factor transmitter in the adapted form factor comprises a characteristic frequency, maintaining the characteristic frequency to be substantially independent of the adapted form factor, and transmitting, from a radio frequency (RF) power source and based at least in part on the characteristic frequency, RF power across the pre-determined wireless power transfer area via a near electromagnetic field of the variable form factor transmitter.
Wireless power transfer system
The present invention provides a wireless power transmitter comprising at least two loops, and separate drivers, each driving a respective one of the loops and providing a respective alternating current to the respective loop, thereby to transmit wireless power for receipt by at least one wireless power receiver. Also provided is a wireless power receiver comprising a receiver loop, and at least two focusing loops. An associated system and an associated method are also provided.
Wireless power supply coil
A magnetic core 47 to be housed in a coil bobbin 57 is split along a coil-axis intersecting direction Y into a plurality of split magnetic cores 47a, the coil-axis intersecting direction Y intersecting a coil axis direction X, and a clearance C extending along the coil axis direction X is provided between the plurality of split magnetic cores 47a. In each clearance C, a protrusion 51a protruding upward from a core base 51 is inserted and arranged to ensure sufficient rigidity. Providing the clearances C reduces the entire weight of the magnetic core 47 and also ensures a large coil width in the coil-axis intersecting direction Y. By ensuring a large coil width, alignment between a power-transmission-side coil 11 and a power-reception-side coil 13 becomes easier.
Wireless charging circuit and charging board thereof
A wireless charging circuit coupled to an oscillation unit. The wireless charging circuit includes a balun unit, a higher-order filter unit and a differential unit. The balun unit is coupled to the oscillation unit. The higher-order filter unit is coupled to the balun unit. The differential unit is coupled to the higher-order filter unit. The differential unit is coupled to a transmission coil. The oscillation unit issues a differential signal to the balun unit, and then the balun unit converts the differential signal into a converted signal to be transmitted to the higher-order filter unit. The higher-order filter unit filters the converted signal to output a filtered signal to the differential unit. The differential unit converts the filtered signal into a differential output signal to be outputted by the transmission coil.
Wireless charging device and system for wearable device
A wireless charging device includes a plurality of antennas, a plurality of AC/DC converters, and a controller. The antennas receive power, are located at different positions of an electronic device, and are oriented in different directions. The AC/DC converters are connected to respective ones of the antennas and convert AC signals from the antennas to DC signals. The controller measures intensities of the converted signals from the AC/DC converters, compares the intensities, and selects one of the antennas having a greater intensity for charging a battery.
Energy harvesting timer
An energy harvesting timer includes a wireless charging module, a plurality of hands, and a driving module. The hands are connected to the wireless charging module. At least one of the hands serves as a receiving antenna of the wireless charging module. The driving module is connected to the wireless charging module and the hands, receiving energy from the wireless charging module to actuate the hands.
Charging circuit for battery-powered device
A charging circuit comprises a power node electrically connectable to a power supply unit, a battery node electrically connectable to a battery, a device node electrically connected to a device load, a reversible buck-boost converter operatively intermediate the power node and the battery node, a first switch operatively intermediate the power node and the device node, a second switch operatively intermediate the battery node and the device node; and logic operatively connected to the first switch, the second switch, and the reversible buck-boost converter. The logic is configured to operate the first switch, the second switch, and the reversible buck-boost converter based on a plurality of different conditions.
Multi-function external attachment and safety circuit for a portable power charger
A jump-start kit includes a control unit with a safety circuit and a portable power bank. The power bank and control unit are capable of jump-starting a 12 V car battery as well as charging at least one 5 V portable electronic device. The safety circuit includes a jump-start relay operatively connecting a power supply of the portable power bank to positive and negative jumper cable jacks, a microprocessor, and a voltage input analyzer of the control unit to enable or disable the jump-start relay.
Energy storage system and method for increasing the efficiency of an energy storage system
An energy storage system including an energy store with a plurality of flow batteries, a first voltage converter, an intermediate circuit connected to the first voltage converter, a second voltage converter connected to the intermediate circuit and a first of the batteries, a third voltage converter connected to the intermediate circuit and a second of the batteries, and a controller connected to the first, second, and third voltage converters. The controller is configured to simultaneously control a power flow direction of the second voltage converter and a power flow direction of the third voltage converter such that the power flow direction of the second voltage controller is in an opposite direction of the power flow direction of the third voltage controller, to control a power flow direction of the first voltage controller, and to charge and discharge the batteries.
Charging protection method and apparatus
Embodiments of present invention provide a charging protection method, including: measuring a charging voltage, a charging current, and a temperature rise of a charging interface of a charged device; detecting whether the charging voltage falls beyond a preset voltage range, detecting whether the charging current is less than a preset current threshold, and detecting whether the temperature rise is greater than a preset temperature rise threshold; and if a detection result of any one or more of the three detecting items is yes, disconnecting a charging circuit of a charger. Correspondingly, the embodiments of the present invention further provide a charging protection apparatus, which can disconnect a charging circuit in a timely manner when a charging exception occurs, thereby avoiding damage to a charging interface.
Electromagnetic interference blocking system
An apparatus and method for blocking electromagnetic interference, EMI is presented. In particular, the present invention relates to a switched mode power supply provided with an electromagnetic interference protection circuit with low power dissipation. There is provided an adiabatically-switched electromagnetic interference protection circuit. The protection circuit contains a first charge storage element and a second charge storage element. A switching regulator operates with a switching cycle having an on-time and an off-time; and the control signal is arranged to cause a transition between the first mode and the second mode to start during the off-time of a switching cycle of the switching regulator.
System and method for battery pack
A battery pack includes an arrangement of battery cells organized in battery groups connected in series, with each group having one or more battery units connected in parallel, and each battery unit comprising one or more series-connected battery cells connected to a battery switch. Charging of the battery pack uses pulse charging. The charging pulses provided to the battery units can be determined based on one or more measured characteristics of battery cells comprising the battery unit so that charging of the battery units can be optimized according to those characteristics. The charging pulses provided to each battery group are timed so that there is an uninterrupted flow of charging current through all the battery groups at all times.
Harmonic current compensator and air-conditioning system
A harmonic current compensator is connected in parallel with a harmonic generating load to a system power supply and supplies a compensation current Ia to limit a harmonic component contained in a load current IL to be input from the system power supply to the harmonic generating load. The harmonic current compensator includes: a load current detector that detects the load current IL; a compensation current detector that detects the supplied compensation current Ia; a control amount computing portion that computes a control amount of the compensation current Ia based on the harmonic component contained in the load current IL detected by the load current detector and the compensation current Ia detected by the compensation current detector; and a limiter that limits an upper limit of the compensation current Ia.
Peer-to-peer: AC power grid compensation architecture
A peer-to-peer power compensation architecture for utility power systems has a “ring-pathed” power transmission supply line with legs connecting a utility power source to a utility customer load, to a secondary power source, and to the utility customer load. A sinusoidal signal is injected on the first and third legs, with a predetermined amplitude, frequency and phase characteristics, wherein at least one of the characteristics being varied as function of a voltage level and a power factor of supplied power from the respective leg. A controllable power hub with an inverter is coupled to at least the first leg and the third leg, the inverter having at least one DC or AC-based power source. The injected signal's characteristics from the respective leg are evaluated to determine if the power hub's power should be introduced to the leg to compensate for under-voltage conditions.
Holistic optimization of distribution automation using survivability modeling to support storm hardening
Improvements to a distributed automation power grid are selected to improve storm survivability. Using historical information about storms, link sets are determined that, when added to the power grid, would restore connectivity after damage by each of the storms. One of the link sets is then selected based on costs and rewards, and is added to a grid representation. Survivability of the modified grid representation is then estimated, and additional link sets are determined and selected until survivability surpasses a minimum level or a budget is exceeded.
Transient voltage suppressor having built-in-test capability for solid state power controllers
Embodiments are directed to a transient protection circuit configured for use in a SSPC having a plurality of power channels. The transient protection circuit includes a shared transient voltage suppressor, and a shared protection line communicatively coupled to the shared transient voltage suppressor. The shared protection line is configured to be communicatively coupled to and shared by the plurality of power channels. When the shared protection line is communicatively coupled to and shared by the plurality of power channels, energy above a threshold on any one of the plurality of power channels is dissipated through the shared protection line and the shared transient voltage suppressor.
Intelligent power strip with management of bistable relays to reduce current in-rush
The present disclosure relates to a power distribution unit (PDU) having at least one power receptacle for enabling attachment of an AC power cord of an external device thereto. A branch receptacle controller (BRC) has at least one bistable relay and is associated with the one power receptacle for supplying AC power thereto from an AC power source. The BRC monitors a parameter of a line voltage and uses it to detect when AC power is lost, and then toggles the bistable relay, if the relay is in a closed position, to an open position. A rack power distribution unit controller (RPDUC) monitors the bistable relay and commands the BRC to close the bistable relay after AC power is restored.
Power distribution unit with modular charging ports
A surge protector for providing electricity to an electronic device. The surge protector including a housing defining a module slot and including a module connector positioned within the module slot and a module insertable into the module slot and including at least one connector port and a housing connector. The housing connector can be operably connectable to the module connector when the module is inserted into the module slot. The cable can be connected to the module and housing such that the module can be positioned at a location remote from the housing.
Circuit protection system and method
A DC and/or an AC power transmission circuit protection system is for protection of a cabling medium. The circuit protection system includes a power supply, a powered device and a circuit protection module that includes an over-current and/or over-voltage circuit module and/or a heat circuit protector. The protection system is disposed between the power supply and the powered device, and interrupts an electrical current that flows through the cabling medium when the over-current and/or over-voltage circuit module and/or the circuit protector exceeds a predetermined level. There is also provided a method to dispose the circuit protection system and the circuit protection module within the circuit and to interrupt the circuit when over-current and/or over-voltage circuit module and/or heat circuit protector exceeds a predetermined level.
High voltage joint
This invention is a device for connecting an end of a HV cable to an HV installation, comprising a pre-fabricated pipe-like unit (2) and the method for installing this device. The pipe-like unit comprises a connection piece (6, 6b) made out of an electrically conducting material and an insulator tube (5, 5r) which is connected to the connection piece (6, 6b) in a fluid-tight way. The insulator tube (5, 5r) is made out of an insulating material. The HV installation is typically a HV joint or a termination.
Vertical wall mount host enclosure
A wall mount enclosure has a backpan with a back panel and a plurality of side panels extending forwards from the back panel. A plurality of extensions are releasably attached to the backpan side panels and to adjacent extensions to form an extension assembly extending forwards from the backpan. The extension assembly as an assembly is releasable from and attachable to the backpan, and individual extensions are releasable from and attachable to the backpan and their respective adjacent extensions. At least one door is removably attached to one of the extensions and movable between a closed position and an open position.
Electrical bus interlaced technique for a shared resource distributed electrical power distribution system
A method, apparatus, and system are described for a radial bus Shared Resource Distributed electrical power Distribution System, which has multiple electrical power distribution platforms and a radial power distribution bus. The multiple electrical power distribution platforms are coupled to the radial bus in an interlaced fashion to supply AC electrical power to the downstream electrical loads. The electrical loads are dual corded and are configured to nominally receive AC electrical power from two separate power distribution platforms. A first power distribution platform electrically connects to a first set of the dual corded electrical loads. Also, the first power distribution platform electrically connects to a second set of the dual corded electrical loads. A second power distribution platform electrically connects to the first set of the dual corded electrical loads, and the second power distribution platform electrically connects to a third set of the dual corded electrical loads.
Electrical distribution apparatus and methods of assembling same
An electrical distribution apparatus includes a backplane for supporting a plurality of electrical devices, a bus bar assembly coupled to the backplane, and a frame that supports the backplane. The electrical distribution apparatus also includes at least one positioning member that facilitates positioning the backplane relative to the frame. The at least one positioning member at least partially supports the backplane such that the backplane is positionable between a first position and a second position. The backplane contacts the frame in the second position.
Spark plugs having a center electrode
A spark plug having a housing, an insulator situated in the housing, a center electrode situated in the insulator and a ground electrode situated on the housing, the ground electrode and the center electrode being situated toward each other in such a way that the ground electrode and the center electrode form a spark gap, and the center electrode rest with a center electrode head on a seat developed on an inner side of the insulator, and the center electrode having an electrode base body and a core situated in the electrode base body, the core being made from a material that has a higher heat conductivity than the material of the electrode base body, the electrode base body having a diameter that is not greater than 1.7 mm.
Disclosed is a spark plug capable of preventing electrode wear while ensuring impact resistance. In the spark plug, a conductive seal is arranged between a rear end portion of a center electrode and a resistor within an axial hole of an insulator. The conductive seal includes a side-surface seal layer brought into contact with the whole of a side surface of the rear end portion of the center electrode and having a thickness of 10 μm or larger in an axis perpendicular direction. Assuming that a projection area is defined by projecting the center electrode onto the axial hole in the axis perpendicular direction around a center axis of the spark plug, a contact surface of the resistor brought into contact with the axial hole overlaps at last a part of the projection area.
Driver circuitry and electronic device including a multipurpose inductor
Driver circuitry including an inductor configured to be used both as an inductor of a buck converter and to provide high-speed pulse driving of a load. The driver circuitry includes the buck converter, which includes a first switch, a second switch and a comparator configured to drive the first switch and the second switch. The inductor is connected between the first switch and the second switch of the buck converter and the load and supplies current to drive the load.
System and method for generating wavelength-tunable, ultra-short light pulses having high power spectral density
Disclosed is a system for generating wavelength-tunable, ultra-short light pulses within the visible or infrared light spectrum. The system includes an injection module including a light source and a wavelength-tunable spectral filter. The light source is suitable for generating short light pulses, having a duration measured in nanoseconds, within an emission spectrum having a spectral width of several tens of nanometers to several hundred nanometers. The spectral filter has a spectral width between 250 pm and 3 nm and is suitable for spectrally and temporally filtering the short light pulses such that the injection module generates wavelength-tunable, spectrally filtered, ultra-short light pulses. The system also includes at least one optical amplifier suitable for generating wavelength-tunable, ultra-short, amplified pulses based on the wavelength of the spectral filter.
Cable installation aid for multi-strand electrical conductors
Provided is a method of preparing a connection for an electrical conductor. The insulation layer of an electrical conductor is cut and the insulation is separated into a first portion and a second portion. The second portion is moved away from the first portion to at least partially expose conductor strands of the electrical conductor. A strand retainer is placed around the exposed conductor strands. The insulation second portion is removed from the electrical conductor. The exposed conductor strands are inserted into an electrical connector.
Method of manufacturing electrical connection block
An electric connection block is provided with a bus bar formed from a press-formed product of a metal plate member and a resin-made housing insert molded integrally with the bus bar. The bus bar is provided with a flat plate-shaped main plate part and a standing terminal erected by bending a base end connected to a portion of the main plate part relative to the main plate part. The electric connection block is manufactured by insert molding the housing integrally with the bus bar in a before-bending state where the standing terminal is located on the same plane as the main plate part, and bending the base end of the standing terminal to thereby erect the standing terminal relative to the main plate part after the insert molding of the housing.
Wire crimping device
A wire crimping device includes: a wire crimping unit which crimps a crimping section into which a wire tip is inserted from a wire insertion opening which opens on a proximal end side of the crimping section in a long length direction; and a guiding unit which guides a distal end portion of an aluminum lead line to the wire insertion opening of a female crimp terminal arranged at a predetermined position for being crimped by the wire crimping unit, wherein an inner diameter of an opposedly facing portion of the guiding unit which opposedly faces the wire insertion opening is set in conformity with an inner diameter of the wire insertion opening.
Cable assembly tool
A tool comprising a receptacle for receiving and holding a cable terminating assembly comprising a plurality of conductors and a plurality of piercing contacts, the tool comprising a pair of handles which actuate opposed presses and blades, the presses pushing the piercing contacts into the conductors while the blades trim the ends of the conductors.
Paddle card having shortened signal contact pads
A substrate configured to be mated with an electrical connector having improved performance data is achieved by reducing the length of the electrical signal contact pads of the substrate with respect to the length of electrical signal contact pads of conventional substrates that are configured to be mated with the electrical connector.
In a connector, a connector housing comprises a pair of first reinforcing ribs and a pair of second reinforcing ribs. The first reinforcing ribs are disposed on the connector fitting portion, extend along an extending direction of a mold portion of the connector housing, and are arranged along a direction perpendicular to the extending direction. A width between the first reinforcing ribs is substantially the same as a width of a terminal, a part of which is buried in the mold portion. The second reinforcing ribs are disposed on the mold portion, extend along the extending direction, and are arranged along the direction perpendicular to the extending direction. Height positions of tip end surfaces of the second reinforcing ribs are set to be substantially the same as a high position of an outer surface of the mold portion formed in a place where a seal member is disposed.
Grip for securing a power cord at a right angle
A grip for securing a power cord at a right angle thereby pulling a power cord at a right angle relative to an outlet includes a tube that is removably mounted on a power cord. The tube has a front end, a back end and an outer surface that extends between the front end and the back end. The outer surface has a slot that extends into an interior of the tube through the front and back ends wherein the power cord is slidably movable through the slot. A plurality of legs is attached to the tube and abuts a vertical wall that has an outlet therein to retain the tube in a perpendicular orientation with respect to the vertical wall. The tube retains the power cord at a perpendicular orientation with respect to the outlet to facilitate the plug to be removed from the outlet at a right angle.
Power supply device
Provided is a power supply device capable of improving workability during assembly and mounting. Accommodating a power source side connector by a cylindrical portion of a case makes a portion where the power source side connector of the harness is provided not pulled out to the outside of the case. Thus the workability at the time of assembling the power feeding device itself can be improved. Also, it is unnecessary to dispose the power source side connector where the passenger unlikely steps on, and simply mating the mating connector with the source side connector makes the workability at the time of mounting the power supply device on the vehicle improved.
High-speed signal transmission connector with high water resistance
This invention relates to a high-speed signal transmission connector with high water resistance, which includes at least a casing and a terminal block. A first seal ring is provided on said casing, a second seal ring is set between said casing and said terminal block and a third seal ring is mounted inside said terminal block. So that the second seal ring and the third seal ring of the present invention enable the connector to have an internal waterproof function, and the first seal ring also enable the connector to have a waterproof connection function. With this triple-waterproof technology, the present invention ensures that the external moisture will not infiltrate into the connector and enhances the water resistance and safety of the high-speed signal transmission connector.
Deformable translatable seat for reducing stress on ceramic penetrators
The present invention provides a system for providing a stress reduction apparatus for a ceramic electrical penetrator or pin in a subsea environment. More specifically, the present invention provides a deformable translatable seat in an annular pocket that prevents the transfer of shear forces from a shell or fixture to a ceramic electrical penetrator or pin. The present invention provides a relatively soft metal seat that conforms to the profile of the shoulder of a mating electrical penetrator or pin and deforms to reduce or eliminate concentrated bearing stresses. The deformable translatable seat may also shift and deform within the annular pocket to relieve shearing stresses exerted on the electrical penetrator or pin by the shell or fixture.
Waterproof component with wiring structure
A waterproof component includes a housing body, a mat seal, mat seal cover, and an elastic ring. The housing body includes an attachment-hole-insertion portion having a mat-seal-accommodating chamber, an abutting portion to abut a first peripheral surface of the attachment hole, a locking claw provided on an insertion tip side of the attachment hole insertion portion, the locking claw to be locked to a second peripheral surface of the attachment hole, and a cover locking portion provided on an insertion tip side of the attachment-hole-insertion portion. The mat seal has an electric wire press-fitting hole. The mat-seal-accommodating chamber accommodates the mat seal. The mat seal cover locks to the cover-locking portion, the mat seal cover interposes the mat seal between the mat seal cover and a bottom wall of the mat-seal-accommodating chamber. The elastic ring is disposed on an outer periphery of the attachment-hole-insertion portion.
Invertible numbering scheme for hermaphroditic connector
A numbering scheme for the cavities of a hermaphroditic connector includes indicia on the rear wall of the connector having one or more horizontal rows (n), each row having the same number of cavities (m). A first indicium on the rear face of the rear wall near the cavity at the upper left in a first orientation of the rear wall has an inverted numeral corresponding to the value of ((m)×(n−1)+1)) adjacent to the upright numeral “1.” A second indicium on the rear face of said rear wall near the cavity at the upper right in the first orientation of the rear wall has an upright numeral corresponding to the value of m adjacent to the inverted numeral corresponding to the total number of cavities, which has value m×n. The other cavities may also have indicia following this. The indicia may also contain non-numerical symbols.
Spring loaded electrical connector
An electrical connector that has a housing, a contact carrier slidably coupled to the housing, at least one spring member received inside of the housing and adjacent the contact carrier for abutment with the contact carrier, and an interposer received in the receiving end of the contact carrier and remote from the spring member. The contact carrier is slidable with respect to the housing along a mating axis between unmated and mated positions.
Circuit board with wire conductive pads and method for fixing the wire conductive pads to the circuit board
A circuit board with wire conductive pads is provided for insertion of wires, and includes: a circuit board and a wire conductive pad. The wire conductive pad includes a main body in the form of a hollow column and an elastic locking piece extending from the main body. The main body includes a peripheral wall defining an insertion space. The elastic locking piece is inserted from the peripheral wall into the insertion space in an inclined manner to press towards the peripheral wall. Wires are inserted into the insertion space and clamped against the peripheral wall by the elastic piece, so that the wires can be prevented from falling off in a reverse direction, and thus can be connected to the circuit board in a more quick and stable manner.
High reliability is achieved with a protected state guaranteed for housings with reinforcing brackets being rigid to be free from displacement and misorientation. A connector includes: a connector body; a terminal installed in the connector body; and a reinforcing bracket fit to the connector body. The connector body includes a recess in which a mating connector body of a mating connector fits, and an insular part that is in the recess and fits in a groove part of the mating connector body. The reinforcing bracket includes an inner reinforcing bracket fit to an insular end part that is an end portion of the insular part in a longitudinal direction. The inner reinforcing bracket includes a body part that is disposed on an upper surface of the insular end part, an end plate that is connected to the body part and is disposed on an end surface of the insular end part, a pair of side plates that are connected to right and left ends of the body part and are disposed on right and left side surfaces of the insular end part, and a pair of connecting legs that are each connected to a lower end of a corresponding one of the side plates and extend outward in a right and left direction of the connector body.
A connector (2, 2a, 44a, 44b, 44c) for the HF signal-transmitting connection of two components (4a, 4b), in particular a board-to-board connector for the HF signal-transmitting connection of two circuit boards to each other, comprising a first connecting piece (6a) for fastening to the first components (4a) and comprising a second connecting piece (6b) for fastening to the second component (4b), and comprising an intermediate piece (8, 56) including a first end (10) for connection to the first connecting piece (6a) and including a second end (12) for connection to the second connecting piece (6b), wherein, in order to form a detent connection for fixing the connection, the first connecting piece (6a) and the second connecting piece (6b) each comprise a first detent means (14a, 14b), wherein the first end (10) is designed to be free from detent means and the second end (12) comprises a second detent means (16) designed for interacting with the first detent means (14a, 14b).
Dish antenna and method for manufacturing bracket thereof
A dish antenna is provided. The dish antenna includes a dish, a bracket, a supporter and a receiver. The bracket is connected to the dish. The supporter is connected to the bracket. The receiver is connected to the supporter and corresponding to the dish. The bracket includes a base, a first wing plate, a second wing plate and a plurality of fastening portions. The base faces the dish. The bracket is affixed to the dish through the fastening portions. The first wing plate is disposed on a first side of the base. The second wing plate is disposed on a second side of the base. The first side is opposite to the second side. The first wing plate, the second wing plate and the fastening portions are integrally formed with the base.
A dipole antenna includes a substrate, a first region and a second region, which is used for frequency with wavelength λ. The substrate is flat rectangular and insulating material, which has a substrate width W which is at least 2.5 mm and a substrate length L. The substrate width W, the substrate length L and the wavelength λ complies with the formula: L/W=λ(±10%). The first region and the second region is conducting material, the first region is disposed on the substrate and shifting to one side of the substrate, the second region is disposed on the substrate and shifting to another side of the substrate. Part of the first region is disposed adjacent to part of the second region and an adjacent region is formed between and a coupling effect is reduced.
Antennaless wireless device capable of operation in multiple frequency regions
The present invention refers to an antenna less wireless handheld or portable device comprising a communication module including a radiating system capable of transmitting and receiving electromagnetic wave signals in a first frequency region and in a second frequency region, wherein the highest frequency of the first frequency region is lower than the lowest frequency of the second frequency region. The radiating system comprising a radiating structure and at least one internal port, wherein the input impedance of the radiating structure at the/each internal port when disconnected from the radiofrequency system has an imaginary part not equal to zero for any frequency of the first frequency region; and wherein said radiofrequency system modifies the impedance of the radiating structure, providing impedance matching to the radiating system in the at least two frequency regions of operation of the radiating system.
Phased array antennas for high altitude platforms
An aircraft includes a fuselage, wings coupled to the fuselage, and a transceiver. The aircraft further includes a plurality of planar phased array antennas coupled to the transceiver and fixedly attached to the fuselage or to at least one of the wings. The plurality of planar phased array antennas include a first planar phased array antenna having a first normal vector and a second planar phased array antenna having a second normal vector. The first normal vector is not parallel to the second normal vector.
Multi-mode conductive liquid antenna
A multi-mode antenna comprising: a liquid that is electrically conductive; a nonconductive, straight tube designed to contain the conductive liquid, wherein the straight tube has a top end and a bottom end; a helical coil comprised of non-conductive tubing designed to contain the conductive liquid wherein the helical coil tubing has a top end and a bottom end; and a pump fluidically coupled to the bottom ends of the straight tube and the helical coil, wherein the pump is configured to pump the conductive liquid between the straight tube and the helical coil, such that when the conductive liquid fills the straight tube and the helical coil tubing is drained, the multi-mode antenna functions as a monopole antenna, and such that when the conductive liquid fills the helical coil tubing and the straight tube is drained, the multi-mode antenna functions as a helical antenna.
Adaptation of an antenna circuit for a near-field communication terminal
A method for adapting an antenna circuit including at least one first capacitive element and an inductive element in series, and at least one second capacitive element having a first electrode connected between the first capacitive element and the inductive element, wherein data representative of the voltage of said first electrode are applied to the second electrode of the second capacitive element.
Electronic device having antenna structure
An electronic device has a front side and a rear side opposite to each other and includes a back cover and an antenna structure. The back cover is disposed at the rear side. The antenna structure includes a first radiation portion, a second radiation portion and a ground portion. The first radiation portion is disposed at the front side. The second radiation portion is disposed between the first radiation portion and the back cover and is connected to the first radiation portion. The ground portion is disposed between the first radiation portion and the back cover, wherein the second radiation portion is grounded to the back cover through the ground portion.
Printed circuit board assembly with foam dielectric material
An assembly that includes a printed circuit board and a foam dielectric material, and a method of fabricating the assembly is disclosed. The assembly includes at least one layer of a foam dielectric material, which has properties similar to those of air. This layer of foam dielectric material is disposed between a top sublaminate and a bottom sublaminate. The bottom sublaminate may be a traditional printed circuit board, comprising an arbitrary number of layers. The top sublaminate may be a single layer, or may be multiple layers and may include an antenna. The foam dielectric material serves to provide mechanical support for the top sublaminate and the central conductor. The foam dielectric material also provides physical separation between the bottom sublaminate and the antenna.
Two-wheeled motor vehicle
A two-wheeled motor vehicle having a main frame on which a metal structure is mounted, and first and second antennas, disposed outside the main frame in a vehicle width direction, for road-to-vehicle and vehicle-to-vehicle communications. The first and second antennas are opposite to each other and are separated by the metal structure of the main frame.
Wirelessly-communicable memory card
A memory card includes a substrate, a nonvolatile memory on the substrate, a memory controller on the substrate and configured to control access to the nonvolatile memory, an interface terminal for external wired connection, on the substrate, an antenna, a plain region surrounded by the antenna including a first region that overlaps with the substrate and a second region that does not overlap with the substrate, and a communication controller disposed on the substrate, electrically connected to the antenna, and configured to wirelessly communicate with an external device through the antenna, using power generated at the antenna by an electromagnetic induction caused by the external device.
Antenna device and electronic device including the same
Disclosed is an antenna device for an electronic device including a first housing and a second housing rotatably coupled to the first housing about a hinge axis. The antenna device may include: a radiation conductor disposed in the first housing; and a reflection member disposed adjacent to the radiation conductor in the first housing. Radio waves transceived by the radiation conductor are radiated via the reflection member. Also disclosed is an electronic device including the antenna device. The antenna device and the electronic device including the same may be variously implemented according to embodiments.
Bollard lighting fixture with integrated antenna
A bollard light fixture comprises a housing including a longitudinal, vertical hollow portion; and a plurality of directional antennas disposed within the vertical hollow portion, the antennas are configured to radiate RF signals outwardly from inside the housing and receive RF signals.
Antenna module and wireless control system including the same
An antenna module according to an embodiment of the invention includes a first antenna unit, a second antenna unit symmetrically disposed to the first antenna unit with a wall interposed therebetween, and an antenna connection unit which connects the first antenna unit and the second antenna unit.
Multimode directional coupler
A multimode directional coupler is provided. In some embodiments, the multimode directional coupler is configured to receive a primary signal and a secondary signal at a first port of a primary waveguide. The primary signal is configured to propagate through the primary waveguide and be outputted at a second port of the primary waveguide. The multimode directional coupler also includes a secondary waveguide configured to couple the secondary signal from the primary waveguide with no coupling of the primary signal into the secondary waveguide. The secondary signal is configured to propagate through the secondary waveguide and be outputted from a port of the secondary waveguide.
Divider and signal generation system using the same
Provided is a divider capable of accurately evaluating an object to be measured without being affected by impedance of a terminal to be measured of the object to be measured, and a signal generation system. There is provided a divider including an input terminal, a plurality of output terminals, a distribution unit that distributes a high frequency signal input to the input terminal and outputs signals obtained by the distribution, and a plurality of reflected wave blocking units that are respectively connected to a plurality of distribution unit outputs and attenuate reflected waves reflected by sides of the plurality of output terminals. The distribution unit includes the plurality of distribution unit outputs and outputs the high frequency signal distributed from the plurality of distribution unit outputs. Outputs from the plurality of reflected wave blocking units are output from the plurality of output terminals.
Dielectric waveguide bundle including a supporting feature for connecting first and second server boards
An apparatus comprises a plurality of waveguides, wherein the waveguides include a dielectric material; an outer shell; and a supporting feature within the outer shell, wherein the waveguides are arranged separate from each other within the outer shell by the supporting feature.
Compact via structures and method of making same
Techniques and mechanisms to provide a compact arrangement of vias extending through at least a portion of a printed circuit board (PCB) or other substrate. In an embodiment, the substrate includes a dielectric material and a sidewall structure forming a hole region that extends at least partially through the dielectric material. The hole region adjoins each of a first via and a second via, and is also located between the first via and second via. In another embodiment, the first via is coupled to exchange a first signal of a differential signal pair, and the second via is coupled to exchange a second signal of the same differential signal pair.
Battery cell assembly
A battery cell assembly includes a pouch-type battery cell having a battery member, an external housing, and first and second electrical terminals. The external housing has a central housing portion and a peripheral lip member extending around a periphery of the central housing portion. The central housing portion encloses the battery member therein. The first and second electrical terminals are electrically coupled to the battery member and extend outwardly from the peripheral lip member. The assembly further includes a first tube disposed against the peripheral lip member of the external housing. The peripheral lip member extends around the first tube such that the first tube is at least partially disposed within a first interior region defined by the peripheral lip member.
Battery cell having improved cooling performance
Disclosed herein is a battery cell configured to have a structure in which an electrode stack, which is configured to have a structure in which positive electrodes and negative electrodes are stacked in the height direction on the basis of the ground in the state in which separators are disposed respectively between the positive electrodes and the negative electrodes, is mounted in a battery case in a sealed state, the battery case is formed in a pipe shape having a hollow part, and the electrode stack is formed in a shape corresponding to the shape of the battery case.
Power source device
A power source device includes: a battery assembly including a plurality of battery cells which are aligned; a bus bar module formed by linking a plurality of bus bar storing portions which store a plurality of bus bars which link and connect electrodes of the battery assembly; a smoke exhausting duct provided on one side of the battery assembly; and a control board provided on the smoke exhausting duct and electrically connected to a voltage detection terminal for detecting a voltage of each of the battery cells. In the smoke exhausting duct, a portion where the control board is provided is in a flattened shape having a smaller height and a larger width in comparison with another portion.
Method of manufacturing nonaqueous secondary battery
A method of manufacturing a nonaqueous secondary battery includes: constructing a battery assembly with a positive electrode, a negative electrode, and a nonaqueous electrolytic solution, the nonaqueous electrolytic solution containing an unsaturated carbonate; activating the battery assembly to decompose a portion of the unsaturated carbonate such that a percentage of the unsaturated carbonate is adjusted to be 0.9 mass % or less with respect to 100 mass % of a total amount of the nonaqueous electrolytic solution; self-discharging the battery assembly to measure a voltage drop amount; and determining whether internal short-circuit occurs in the battery assembly based on the voltage drop amount.
Secondary cell state detector
One-side plates of first and second condensers are connected to a one-side electrode of one of a plurality of secondary cells. First switches connect the other-side electrode of the secondary cell to the other-side plate of one of the first condenser and the second condenser. An MCU controls the first switches to connect the other-side electrode of the secondary cell to the other-side plate of the first condenser when the plurality of secondary cells is in a first state, and then connect the other-side electrode of the secondary cell to the other-side plate of the second condenser when the plurality of secondary cells is in a second state. A differential amplifier circuit outputs a differential voltage of voltages of the other-side plates of the first condenser and the second condenser. A cell monitoring IC detects states of the secondary cells based on the differential voltage.
Rechargeable lithium-ion cell
A rechargeable lithium-ion cell has a cell capacity and includes a positive electrode having a recharged potential and a negative electrode. The rechargeable lithium-ion cell also includes a charge-carrying electrolyte. The charge-carrying electrolyte includes a charge-carrying medium and a lithium salt. The rechargeable lithium-ion cell also includes a redox shuttle having the following structure.
All-solid-state secondary battery and method for manufacturing same
An all-solid-state secondary battery, including: a solid electrolyte layer; a positive electrode layer including a positive electrode active material layer and a first current collector layer; a negative electrode layer including a second current collector layer, the positive electrode layer and the negative electrode layer sandwiching the solid electrolyte layer; and external electrodes connected respectively to the first current collector layer and the second current collector layer, wherein the positive electrode active material layer is formed of an olivine-type active material, wherein the solid electrolyte layer is formed of a phosphate having a NASICON-type structure, and wherein the solid electrolyte layer contains particulate precipitate having an olivine-type crystal structure that includes a same element as an element forming the positive electrode active material layer.
Method for preparing a composite membrane
A method for making a composite membrane includes the steps of coating a first layer of ionomer on an intermediate support, laminating a dry porous support into the wet first layer of ionomer, impregnating the porous support with ionomer from the coated ionomer layer, optionally drying the impregnated porous support and the first layer of ionomer, coating a second layer of ionomer on the impregnated porous support, drying the second layer of ionomer until most of the solvent is evaporated, and delaminating the composite membrane from the intermediate support. The composite membrane thus obtained includes a porous support impregnated with the ionomer and on each side of the impregnated support a dense ionomer layer.
Membrane electrode assembly and electrochemical cell
In one embodiment, a membrane electrode assembly comprises a catalyst layer being porous and containing a catalyst material, the catalyst layer comprising a plurality of catalyst units each having a porous body structure or a laminated structure containing a void layer, and an electrolyte membrane adjacent to the porous catalyst layer. The catalyst unit bites into the electrolyte membrane, and an average biting ratio is not less than 10%, and not more than 80% of a thickness of the catalyst layer.
Electrolyte balancing strategies for flow batteries
The present invention is directed to a redox flow battery comprising at least one electrochemical cell in fluid communication with a balancing cell, said balancing cell comprising: a first and second half-cell chamber, wherein the first half-cell chamber comprises a first electrode in contact with a first aqueous electrolyte of the redox flow battery; and wherein the second half-cell chamber comprises a second electrode in contact with a second aqueous electrolyte, said second electrode comprising a catalyst for the generation of O2.
Fuel cell architectures, monitoring systems, and control logic for characterizing fluid flow in fuel cell stacks
Disclosed are fuel cell architectures, fuel cell stack monitoring systems, and control logic for detecting fluid property changes in a fuel cell stack. A method is disclosed for detecting a flow property change of a fluid in a fuel cell system. This method includes determining, e.g., through system analysis or accessing a look-up table, a correlation between voltage change of the fuel cell system and flow property of the fluid, and determining, from the voltage-property correlation, a calibrated voltage drop corresponding to the property change of the fluid. The method monitors system voltage (e.g., moving average voltage of the fuel cell stack operating at steady state), and detecting a voltage magnitude change in the system voltage, e.g., when an anode exhaust valve is opened. Responsive to the voltage magnitude change being greater than the calibrated voltage drop, a signal is generated indicating detection of the flow property change.
Power distribution method and system for fuel cell vehicle
A power distribution method and system for a fuel cell vehicle is provided. The method includes deducing an amount of moisture in a stack of a fuel cell, when a supply amount of air of the stack of the fuel cell is decreased and determining a state of the fuel cell based on the amount of moisture. Additionally, the method includes deducing allowance power of a regenerative braking of a driving motor using maximum power of the regenerative braking of an air compressor and chargeable power of a high voltage battery based on the determined state. The regenerative braking of the driving motor is then adjusted to prevent actual power of the regenerative braking of the driving motor from exceeding the allowance power of the regenerative braking.
Provided are an electrolyte-circulating battery in which electrolytes are unlikely to be oxidized and are easily cooled, a heat exchanger in which a corrosive liquid flowing through the inside thereof is unlikely to be oxidized and is easily cooled, and a pipe in which a corrosive liquid flowing through the inside thereof is unlikely to be oxelectrolyte-circulating batteryidized, and which is suitable for cooling the corrosive liquid. The electrolyte-circulating battery includes a battery cell and a circulation passage configured to circulate an electrolyte into the battery cell. The circulation passage includes a complex duct, and the complex duct includes a tubular main body composed of a resin and an oxygen block layer disposed on a periphery of the main body and composed of an organic material that has a lower oxygen transmission rate than the main body.
Fuel cell system
A fuel cell system comprises: a turbo type oxidizing agent pump, the rotary shaft of which is pivotally supported by an air bearing to take in and supply an oxidizing agent gas to a fuel cell by the rotary motion; an actual flow rate detection means for the oxidizing agent gas; a pressure adjustment means for the oxidizing agent gas; a rotary speed monitoring means for the oxidizing agent pump; and a control means which, when the rotary speed of the oxidizing agent pump is within the range of the minimum rotary speed that allows the rotary shaft to be pivotally supported by the air bearing, if the actual flow rate of the oxidizing agent gas is larger than a target flow rate, increases the pressure of the oxidizing agent gas via the pressure adjustment means.
Fuel-cell gas diffusion layer, and method of producing same
A fuel cell gas diffusion layer includes: a porous carbon fiber base substrate containing discontinuous carbon fibers bonded to each other with carbide, and a porous layer containing at least carbonaceous particles, the porous carbon fiber base substrate having a porous layer (A) with a mean thickness t1 of 10 to 55 μm deposited on one surface A thereof, the porous carbon fiber base substrate being impregnated with porous layer (J) at least part of which is exposed at an opposite surface B, the porous carbon fiber base substrate having internal pores with a cross-sectional area accounting for 5% to 40% of the total cross section in a through-plane direction, at least porous layer (A) and porous layer (J) both having a void percentage of 50% to 85%, the porous carbon fiber base substrate having a thickness of 60 to 300 μm, and the porous carbon fiber base substrate having a bulk density of 0.20 to 0.45 g/cm3.
Cathode current collector for solid oxide fuel cell, and solid oxide fuel cell comprising same
The present invention relates to a cathode current collector for a solid oxide fuel cell and, more particularly, to a cathode current collector inserted between a cell and a metal separator constituting a unit of a fuel cell stack, and a solid oxide fuel cell comprising the same.
Thermo-electro-chemical converters and methods of use thereof
The present disclosure provides compositions including thermo-electro-chemical converter, methods of converting thermal energy into electrical energy, and the like. In general, embodiments of the present disclosure can be used to convert thermal energy into electrical energy by way of a chemical process.
SOFC cathode compositions with improved resistance to SOFC degradation
A solid oxide fuel cell (SOFC) includes a solid oxide electrolyte with a zirconia-based ceramic, an anode electrode, and a cathode electrode that includes a ceria-based ceramic component and an electrically conductive component. Another SOFC includes a solid oxide electrolyte containing a zirconia-based ceramic, an anode electrode, and a cathode electrode that includes an electrically conductive component and an ionically conductive component, in which the ionically conductive component includes a zirconia-based ceramic containing scandia and at least one of ceria, ytterbia and yttria.
Binder composition for secondary battery electrode-use, slurry composition for secondary battery electrode-use, electrode for secondary battery-use and production method therefor, and secondary battery
Provided is a binder composition for secondary battery electrode-use that can be used to form a low-resistance electrode mixed material layer that enables a secondary battery to exhibit good low-temperature output characteristics and inhibits deposition of lithium dendrites and the like, and that can favorably suppress electrode expansion that is associated with repeated charging and discharging. The binder composition for secondary battery electrode-use contains: a first particulate polymer having a degree of swelling in electrolyte solution of at least 450 mass % and no greater than 700 mass %; a second particulate polymer having a degree of swelling in electrolyte solution of at least 300 mass % and no greater than 400 mass %; and water.
Lithium iron phosphate having olivine structure and method for analyzing the same
Provided is an olivine-type lithium iron phosphate having a composition represented by Formula I, comprising 0.1 to 5% by weight of Li3PO4, and comprising no Li2CO3 or, if present, comprising Li2CO3 in an amount less than 0.25% by weight: Li1+aFe1−xMx(PO4−b)Xb (I) wherein M, X, a, x and b are as defined above.The lithium iron phosphate comprises no lithium carbonate (Li2CO3) or, if present, comprises the Li2CO3 in an extremely small amount, and comprises Li3PO4 having superior electrochemical stability, thermal stability and ionic conductivity, thus advantageously imparting high-temperature and storage stability as well as stability and rate properties to lithium secondary batteries, when used as a cathode active material for the lithium secondary batteries.
Lithium-ion secondary battery and electronic device
A lithium-ion secondary battery with high capacity is provided. Alternatively, a lithium-ion secondary battery with unproved cycle characteristics is provided. To achieve this, an active material including a particle having a cleavage plane and a layer containing carbon covering at least part of the cleavage plane is provided. The particle having the cleavage plane contains lithium, manganese, nickel, and oxygen. The layer containing carbon preferably contains graphene. When a lithium-ion secondary battery is fabricated using an electrode including the particle having the cleavage plane at least part of which is covered with the layer containing carbon as an active material, the discharge capacity can be increased and the cycle characteristics can be improved.
Method of fabricating anode active material for lithium secondary battery, anode active material fabricated thereby, and slurry for anode
A method of preparing a negative electrode active material of the present invention includes mixing a lithium precursor and a titanium precursor, and sintering the precursor mixture to prepare a lithium titanium-based active material including a lithium titanium oxide, wherein a residual amount of lithium in the lithium titanium-based active material is 2,000 ppm or less based on a total amount of the lithium titanium-based active material. The preparation method allows the residual amount of lithium to be 2,000 ppm or less in a range, in which rate capability is not significantly reduced, by appropriately controlling sintering temperature, wherein the method may provide a lithium secondary battery, in which an amount of gas generated is extremely small even if stored at high temperature, a thickness expansion rate is consequently considerably low, and, simultaneously, the rate capability is also excellent.
Bus bar module
A bus bar module includes: a plurality of bus bar cases each housing a bus bar; a first engagement portion provided to one of the plurality of bus bar cases; a first connecting member having flexibility and connecting the plurality of bus bar cases; a plurality of insulating covers covering openings of the plurality of bus bar cases, the insulating covers including a second engagement portion to be engaged with the first engagement portion; a second connecting member having flexibility and connecting the plurality of insulating covers; and a pair of ribs provided to extend downward from an inner surface of each of the insulating covers located adjacent to each other.
Porous membranes filled with nano-particles and related methods
A membrane includes a porous membrane or layer made of a polymeric material having a plurality of surface treated (or coated) particles (or ceramic particles) having an average particle size of less than about 1 micron dispersed therein. The polymeric material may be selected from the group consisting of polyolefins, polyamides, polyesters, co-polymers thereof, and combinations thereof. The particles may be selected from the group consisting of boehmite (AlOOH), SiO2, TiO2, Al2O3, BaSO4, CaCO3, BN, and combinations thereof, or the particles may be boehmite. The surface treatment (or coating) may be a molecule having a reactive end and a non-polar end. The particles may be pre-mixed in a low molecular weight wax before mixing with the polymeric material. The membrane may be used as a battery separator.
Battery support structure
A battery support structure includes a pedestal section configured to come in contact with a first surface of a battery in order to support the battery, a locking protruding part formed at the pedestal section, and a locking part that includes an inserting part arranged to be inserted in a first locking hole and that is configured to come in contact with at least a portion of a third surface of the battery facing the opposite side of the first surface, wherein the battery is supported in a state in which the inserting part is inserted in the first locking hole, and a second locking hole is formed in the locking protruding part at a position deviated a predetermined distance from the first locking hole toward a side closer to the third surface of the supported battery.
Battery bus bar design and laser welding
A battery assembly includes a plurality of battery cells each including a cell tab and a bus bar connected to the cell tabs of adjacent battery cells. The bus bar including a pair of 180 degree bend regions that each define a channel for receiving a respective cell tab and a cut-out region defining an opening having opposing edge portions that allows direct access to the cell tab within the cut-out region. A weld line connects the cell tab to at least one of the opposing edge portions within the cut-out region.
Support member for battery pack top housing
A battery pack that is connectable to and supportable by a power tool (e.g., a hand-held power tool). The battery pack includes a top housing having a support member. The support member of the battery pack top housing is configured or operable to reinforce a support portion of the battery pack that is used to connect the battery pack to the power tool. By reinforcing the support portion of the battery pack, an interface between the battery pack and the power tool is able to withstand greater forces (e.g., from vibrations caused by the power tool).
Optoelectronic component and method for producing an optoelectronic component
An optoelectronic component, comprising an electrically conductive layer, an electrically insulating layer formed above a partial region of the electrically conductive layer, an electrically weakly conductive encapsulation layer formed outside the partial region on the electrically conductive layer and above the partial region on the electrically insulating layer, a first electrode formed above the partial region on the electrically weakly conductive encapsulation layer, an organic functional layer structure formed on the first electrode, and a second electrode formed above the partial region on the organic functional layer structure and where the second electrode is formed outside the partial region on the electrically weakly conductive encapsulation layer.
Light-emitting display panel
A light-emitting display panel is provided. The light-emitting display panel includes a substrate. The substrate includes a display area and a peripheral area surrounding the display area. A light-emitting display structure is disposed on the display area. A first section wall is disposed on the peripheral area. The first section wall surrounds the light-emitting display structure. An enclosed wall is disposed on the peripheral area. The enclosed wall surrounds the first section wall. The enclosed wall is positioned outside the first section wall. A first inorganic material layer covers the light-emitting display structure. The first inorganic material layer covers the top surface of the array substrate outside the enclosed wall.
Organic EL device, organic EL lighting panel, organic EL lighting apparatus, and organic EL display
The present invention provides an organic EL device that can prevent an organic EL layer(s) from being damaged when the organic EL device is bent. An organic EL device (10) of the present invention includes: a first substrate (11); a second substrate (12); one or more organic EL elements; and a sealing layer (14). Each of the one or more organic EL elements includes an organic EL layer (13) and a pair of electrodes (16, 17). One surface of the first substrate (11) is a mounting surface on which the one or more organic EL elements are disposed. The first substrate (11) and the second substrate (12) are laminated in such a manner that the mounting surface of the first substrate (11) and one surface of the second substrate (12) face each other with the sealing layer (14) interposed therebetween. The sealing layer (14) seals a gap between the first substrate (11) and the second substrate (12) along an entire periphery of a region facing the second substrate (12) on the mounting surface of the first substrate (11) and an entire periphery of a region facing the first substrate (11) on the surface of the second substrate (12) facing the first substrate (11). The organic EL device further includes one or more supporting layers (15). The supporting layers (15) are disposed in such a manner that the supporting layers (15) connect the whole or part of a region without the one or more organic EL elements on the mounting surface of the first substrate (11) and a region facing the whole or part of the region without the one or more organic EL elements on the surface of the second substrate (12) facing the first substrate (11).
Provided is a display apparatus and a method of manufacture. The display apparatus includes a first substrate with a plurality of organic electroluminescence devices, a second substrate with a color filter, the second substrate facing the first substrate, and an adhesive layer disposed between the first substrate and the second substrate so as to cover the plurality of organic electroluminescence devices, the adhesive layer being made of a material selected from the group consisting of a phenol resin, a melanin resin, an unsaturated polyester resin, an epoxy resin, a silicon resin and a polyurethane resin.
An optical device (10) includes a joining structure in which a first conductive film (110) and a second conductive film (130) are joined to each other. The first conductive film (110) that constitutes the joining structure is constituted by a conductive material. The second conductive film (130) that constitutes the joining structure is constituted by a metal material. Apart of the second conductive film (130) comes into contact with the first conductive film (110). A plurality of concave portions are provided in a contact surface of the second conductive film (130) which comes into contact with the first conductive film (110). The contact surface has a surface roughness greater than a surface roughness of a non-contact surface of the second conductive film (130) which does not come into contact with the first conductive film (110).
White organic light emitting device having emission area control layer separating emission areas of at least two emission layers
Disclosed is a white organic light emitting device in which a lifetime of a device is enhanced. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, and a second emission part on the first emission part. At least one among the first and second emission parts includes an emission area control layer. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, a second emission part on the first emission part, and a third emission part on the second emission part. At least one among the first to third emission parts includes an emission area control layer.