Powder coating method and apparatus for absorbing electromagnetic interference (EMI)
A method for producing a magnetic resonant frequency (MRF) absorber and apparatus for an MRF absorber are described herein. The method comprises processing a high permeability material such as permalloy comprising 80% nickel, 18% iron, 2% molybdenum to create a specific geometric form factor such as a flake, sphere, or rod. The geometric form factor may then be encapsulated in an insulating matrix. The insulating matrix may be a Potassium Silicate (SiO3K2). The insulated flake, sphere, or rod form factor may be introduced to a powder coating process. The insulated flake, sphere, or rod form factor may then be mixed with a polymeric coating powder at a weight ratio based on a desired performance for absorbing electromagnetic interference (EMI).
Minimizing leakage in liquid cooled electronic equipment
A method of minimizing the volume of coolant leaked in a liquid cooled electronic system. The method includes detecting a coolant leak in a closed liquid cooling loop from a plurality of closed liquid cooling loops in the server rack. The closed liquid cooling loop may be coupled to at least one server in the server rack. The method may further include identifying the location of the coolant leak in the closed liquid cooling loop of an affected server in the server rack, and powering off a pump, from a plurality of pumps in the server rack, pumping coolant in the closed liquid cooling loop having the coolant leak.
Technologies for sled architecture
A sled for operation in a corresponding rack of a data center includes a chassis-less circuit board substrate having one or more physical resources coupled to a top side of the chassis-less circuit board and one or more memory devices coupled to a bottom side of the chassis-less circuit board. The sled does not include a housing or chassis and is opened to the local environment. In the illustrative embodiments, the sled may be embodied as a compute sled, an accelerator sled, or a storage sled.
Electronic device with locking assembly
An electronic device includes: a support defining a slot, a casing defining a receiving hole, and a locking assembly for detachably connecting the casing to the support. The locking assembly includes a connection member received in the receiving hole and a locking member connected to and rotatable together with the connection member. The locking member is rotatable to a position where the locking member engages the slot, thereby fixing the casing to the support.
Flexible printed circuit (FPC) board
A flexible printed circuit (FPC) board having reinforcing pattern against bending is disclosed. The FPC board provides an RF interconnection extending from an RF electrode. Two ground electrodes are formed in respective sides of the RF electrode. The ground electrodes extend respective extended portions along the RF interconnection to protect the RF interconnection from breakage due to bending of the FPC board. The extended portion provides an end portion bent toward the RF interconnection to compensate for impedance mismatching of the RF interconnection.
Coating composition, composite prepared by using the coating composition and method for preparing the same
A coating composition, a composite prepared by using the coating composition, and a method for preparing the composite are provided. The coating composition includes a solvent, an adhesive, and a catalyst precursor including at least one chosen from SnO2, ZnSnO3 and ZnTiO3.
Rapid prototype extruded conductive pathways
A process of producing electrically conductive pathways within additively manufactured parts and similar parts made by plastic extrusion nozzles. The process allows for a three-dimensional part having both conductive and non-conductive portions and allows for such parts to be manufactured in a single production step.
Manufacture of a circuit board and circuit board containing a component
Method for the manufacture of a circuit board containing a component and circuit board containing a component. The invention is based on first manufacturing (101-102 or 101-103) an intermediate product, which contains the insulator layer of the circuit board and the components, which are set in place inside the insulator layer, in such a way that the contact elements of the components face the surface of the intermediate product. After this, the intermediate product is transferred to the circuit-board manufacturing line, on which a suitable number of conducting-pattern layers and, if necessary, insulator layers are manufactured (104) on one or both sides of the intermediate product, in such a way that, when manufacturing the first conducting-pattern layer, the conductor material forms an electrical contact with the contact elements of the components. Alternatively, stages (101-105) can also be performed on a single manufacturing line.
Microelectronic device having an air core inductor
A microelectronic device incorporating an air core inductor having one or more inserts to provide efficiency of the inductor are described. One or more inserts having a selected permeability may be placed within regions defined by coils of the air core inductor. The inserts can be formed of a solid material of the selected permeability or such a material can be applied to other structures, such as circuit components. Other embodiments may be described and/or claimed.
Multilayer wiring board
A multilayer wiring board has a strip structure comprising a core material in which a ground pattern is disposed on one side of an insulating layer and a strip line is disposed on the other side, a prepreg disposed on the strip line of the core material, and a ground pattern disposed on the prepreg. In this multilayer wiring board, the core material is formed with a high frequency-adaptive base material, and the prepreg is formed with a general-purpose material.
Harmonic cold plasma device and associated methods
A method for generating atmospheric pressure cold plasma inside a hand-held unit discharges cold plasma with simultaneously different rf wavelengths and their harmonics. The unit includes an rf tuning network that is powered by a low-voltage power supply connected to a series of high-voltage coils and capacitors. The rf energy signal is transferred to a primary containment chamber and dispersed through an electrode plate network of various sizes and thicknesses to create multiple frequencies. Helium gas is introduced into the first primary containment chamber, where electron separation is initiated. The energized gas flows into a secondary magnetic compression chamber, where a balanced frequency network grid with capacitance creates the final electron separation, which is inverted magnetically and exits through an orifice with a nozzle. The cold plasma thus generated has been shown to be capable of accelerating a healing process in flesh wounds on animal laboratory specimens.
Optically powered lighting system
A lighting device (100) is provided comprising optically transmissive emitters and receivers. The receivers are configured to receive power via an optical signal transmitted from a light source (102). Furthermore, the receiver is provided with functionality for converting the optical signal to electrical power and supply an emitter with the electrical power. The optical signal may further comprise an address such that a receiver-emitter pair of the device may be wirelessly individually addressed and controlled. The optical signals of the device are not guided but are free to propagate through optically transmissive receivers, optically transmissive emitters or other optically transmissive materials of the lighting device. This enables a lighting device which provides new light effects in a simple manner.
Power over ethernet lighting system with battery charge control algorithm
A power over ethernet lighting system includes a plurality of nodes electrically connected to a power/communication bus. Each of the nodes includes a PoE interface, a micro-controller and a PoE driver electrically connected to a PoE luminaire. At least one of the nodes is an emergency management node that includes a rechargeable battery and a PoE battery charger. The system has a maintained mode in which the PoE luminaire of each of the nodes is powered by electricity from the power/communication bus, and has an emergency mode characterized by a power loss on the power/communication bus. A micro-controller of the emergency management node includes a charge control algorithm configured to determine a charge level of the battery based on a signal from a charge sensor, and configured to dynamically adjust an allocation of power to the PoE battery charger responsive to the charge level.
Method and system for implementing transient state computing with optics
Novel tools and techniques are provided for implementing computing, and, more particularly, to methods, systems, and apparatuses for implementing transient state computing with optics. In various embodiments, a chromatic transient state computing system might receive one or more input values and might assign a “chromabit value” to each of the one or more input values. The chromatic transient state computing system might include a plurality of sets of colored light emitting diodes (“LEDs”) and a corresponding set of photoreceptors. Each distinguishable color as detected by one of the photoreceptors might correspond to a combination of colors emitted by a set of colored LEDs, each distinguishable color representing a chromabit value. The chromatic transient state computing system might perform a computing operation using the assigned chromabit values each corresponding to each of the one or more input values, and might output one or more output values resulting from the computing operation.
An improved lighting apparatus is disclosed. The lighting apparatus includes a direct current power supply unit, a light emitting unit operating in response to a direct current voltage applied from the direct current power supply unit, and a voltage control unit located between the direct current power supply unit and the light emitting unit to control the level of a voltage applied from the direct current power supply unit to the light emitting unit. The light emitting unit includes first light emitting groups having a first correlated color temperature and being turned on at a first turn-on voltage (VB) or above and second light emitting groups having a second correlated color temperature and being turned on at a second turn-on voltage (VA) greater than the first turn-on voltage. The first light emitting groups are connected in parallel with the second light emitting groups. The voltage control unit includes at least one variable resistor to control the level of the voltage applied to the light emitting unit such that the second light emitting groups emit light or are prevented from emitting light, achieving a desired correlated color temperature according to a preset proportion.
Control system for lighting devices
A system of networked lighting devices includes a central controller and a group of lighting devices. The central controller includes a processor, first and second communication interfaces, various lighting devices and a communication link. The first communication interface includes input ports and a multiplexer configured to receive signals from the input ports and combine the received signals into a multiplexed signal. The second communication interface includes one or more antennas and is configured to receive the multiplexed signal from the multiplexer and transmit the multiplexed signal via the antenna(s). Each lighting device includes a fixture controller, one or more lighting modules, and a communication interface. The communication link transmits the multiplexed signal between one or more of the lighting devices and at least one of the communication interfaces of the central controller.
Bus bar current control circuit, constant-current driving controller and LED light source
The present invention relates to a busbar current control circuit, a constant current drive controller and an LED light source, wherein the busbar current control circuit comprises a branch resistor, a branch capacitor and a branch current source, the branch resistor and the branch capacitor are connected in parallel to form a branch, one end of the branch is connected a position between the busbar resistor and the load, and the other end is connect to the branch current source; the branch current source outputs to the branch a current of adjustable magnitude, the sum of the voltage on the busbar resistor and the voltage on the branch resistor remains constant. Wherein the branch resistor occupies a portion of the voltage of the busbar resistor so that the magnitude of the current output by the busbar changes continuously, that is, when the current flowing into the branch increases, the voltage occupied by the branch resistor increases and the voltage on the busbar resistor decreases, so as to reduce the current on the busbar. Since the branch current is smoothly adjusted by the branch current source, the regulation of the Output current on the busbar is also smooth. This avoids the use of the SPWM wave or the dimming switch circuit in the prior art, and the stroboscopic phenomenon due to the discontinuity of the driving current.
Access node architecture for 5G radio and other access networks
An access node for a telecommunications network is partitioned into a front end unit and a back end unit coupled by an internet protocol (IP) packet based communication link to provide for data and control packets to be sent between the back end unit and the front end unit. The front end unit performs physical layer and media access layer (MAC) sublayer processing for data for transmission to/from user equipment in the network using baseband processing units that perform highly parallel floating/fixed point operations. The back end unit includes a plurality of general purpose processors to provide data link layer and network layer processing. back end portions may be pooled to provide greater efficiency.
Device to-device discovery information encryption
In embodiments, apparatuses, methods, and storage media may be described for secure broadcast of discovery information of a discoverable user equipment (UE) in a device-to-device (D2D) network. Specifically, the discovery information may be encrypted with a first encryption key, and then the result of that encryption may be re-encrypted with a second encryption key. The dual-encrypted discovery information may then be broadcast in a cell. Upon reception of the dual-encrypted discovery information, a discovering UE with the appropriate decryption keys may decrypt the message to identify the discovery information. Based on the decrypted discovery information, the discovering UE may identify the presence of the discoverable UE.
Method and apparatus supporting device-to-device (D2D) communication in a wireless communication system
A method of a UE being served by a eNB for supporting device to device (D2D) communication is disclosed. The method includes the UE receiving a message that includes information pertaining to a first resource pool provided by the eNB, wherein resources of the first resource pool are common resources shared by more than one UE using the first resource pool. The method further includes the UE being configured with a second resource pool provided by the eNB, wherein the second resource pool is different from the first resource pool. Furthermore, the method includes the UE selecting resource(s) from the second resource pool and uses the selected resource(s) for D2D transmission.
Telecommunications apparatus and methods
A wireless telecommunications system supports a DRX operating mode for communications between a base station and terminal device. This mode includes a regular and repeating cycle of DRX inactive periods in which the terminal device monitors a downlink channel from the base station and DRX active periods during which the terminal device enters a power-saving mode and does not monitor the downlink channel. The terminal device transmits uplink signalling that is a trigger for subsequent downlink signalling. The base station receives the uplink signalling, determines the time of an upcoming DRX inactive period for the terminal device, and delays transmitting downlink signalling in response to the uplink signalling until the upcoming DRX inactive period. The terminal device enters the power saving mode after transmitting the uplink signalling and exits the power saving mode for the DRX inactive period to monitor the downlink channel for the downlink signalling.
Method and apparatus for supporting machine-type communications with a mobile-originated-only mode
A method and apparatus for supporting machine-type communications (MTC) are disclosed. A wireless transmit/receive unit (WTRU) may configure itself to operate in a mobile-originated-only mode. The WTRU may perform no, or a subset of, radio resource control (RRC) idle and/or non-access stratum (NAS) idle/standby state procedures in the mobile-originated-only mode. For example, the WTRU may perform cell reselection but not paging monitoring in the mobile-originated-only mode. Alternatively, the WTRU may perform paging monitoring but not cell reselection and location update. The operation in the mobile-originated-only mode may be triggered explicitly or implicitly. For example, the WTRU may operate in the mobile-originated-only mode if an inactivity timer expires. The WTRU may switch the mode in accordance with a pre-configured schedule. After transition of the operation mode, the WTRU may send a message to the network indicating such mode switch.
Multicarrier signal transmission in wireless communications
Methods and apparatuses are described for wireless communications. Cells may be grouped into a plurality of cell groups. If an uplink transport block (UTB) or an uplink control information (UCI) is configured for transmission via a second cell of a second cell group in parallel with a transmission of a first random access preamble (RAP) via a first cell of a first cell group, a wireless device may adjust transmission power of at least one of the UTB or the UCI. Additionally or alternatively, if a sounding reference signal (SRS) is configured for transmission via a third cell in parallel with transmission of a second RAP, the wireless device may drop the SRS.
Method, device, and system for determining timing advance grouping
Embodiments of the present invention provide a method, a device, and a system for determining timing advance grouping. In one embodiment, a base station adds a component carrier (CC) for a user equipment (UE). The base station determines a timing advance (TA) group to which the added CC belongs. The TA group is a set of CCs that can share a TA. The base station sends identification information that identifies the TA group to the UE.
Base station, user equipment, transmission control method for the base station and data transmission method for the user equipment
A base station (BS), a user equipment (UE), a transmission control method for the BS and a data transmission method for the UE are provided. Based on user group information, the base station transmits uplink transmission control information to a plurality of the UEs in a group to make each UE contend for a plurality of subframes in the allocated unlicensed band radio resource pool. If a UE successfully contends for a subframe, the UE transmits a reservation signal and transmits an uplink data signal in the contended subframe. If the UE detects another reservation signal when contending for the subframe, the UE determines whether the another reservation signal is associated with the ID of its group. If associated, the UE transmits the uplink data signal in the subframe.
Antenna subset and directional channel access in a shared radio frequency spectrum band
Techniques are provided for accessing a shared radio frequency spectrum band by selecting a subset antennas associated with a successful access procedure for accessing the shared radio frequency spectrum. In some examples, a wireless communication device, such as a network node, may perform a listen before talk (LBT) procedure for each of two or more subsets of antennas associated with the network node, and only those subsets of antennas that pass the LBT procedure are used for transmissions during the associated time period, while other antennas are idle, or used for transmissions on another radio frequency spectrum band during the associated time period. In some examples, antennas of a wireless communication device may perform an access procedure utilizing beamforming capabilities of associated antennas to determine one or more different spatial directions that may provide access to the shared radio frequency spectrum band.
Method for channel detection, sending terminal and system
The present disclosure provides a method for channel detection, a sending terminal and a system comprising the sending terminal and a receiving terminal. The method for channel detection, including: when an Access Point (AP) allows an associated Station (STA) associated with it to use a dynamic channel detection threshold, sending, by the AP, one or more pieces of detection information used by the associated STA and a set of dynamic threshold parameters corresponding to the one or more pieces of detection information.
Estimating and using UE tune-away period based on timing of detected missed communications from the UE
When a base station is serving a user equipment device (UE) that tunes away from the base station during recurring tune-away periods, the base station will determine that the base station did not receive a communication expected to be received at a particular time from the UE. Based on the determining, the base station will estimate a first tune-away period of the UE's recurring tune-away periods to be a time period that encompasses the particular time. And based on the estimated first tune-away period, the base station will estimate times of subsequent tune-away periods. The base station will then configure itself such that it avoids communicating with the UE during the estimated times of the subsequent tune-away periods.
Method and device for transmitting enhanced transmission selection standard configuration information
A method and a device for transmitting enhanced transmission selection (ETS) standard configuration information. The receiving method includes: receiving LLDP packets, wherein, the LLDP packets are in an ETS recommended TLV format; analyzing a first field in the LLDP packets, and determining whether the value of each byte in the first field is in a preset range or not; analyzing the value of a first segment of bits of each byte in the first field when determining that the value of each byte in the first field is in the preset range, and determining a scheduling algorithm used by internal priorities of a traffic class corresponding to each byte in the first field according to the values of the first segment of bits; and analyzing value of a second segment of bits of each byte in the first field, and determining an additional parameter corresponding to the priority.
Method for associating a user with a base station based on backhaul capacity in heterogeneous cellular network
The present invention provides a method for associating a user with a base station based on backhaul capacity in heterogeneous cellular network. First, an available base station set is obtained through the SINRs, and the downlink data rate between the new user and each base station in the available base station set is calculated according to the SINR between them; Then, the usable link capacity factor of each base station is calculated based on the used link capacity and the backhaul capacity; Finally, the optimal base station is selected for the new user i under a constraint which is constructed by the bandwidth of the new user and the usable link capacity factor. The backhaul capacity of each base station is taken into account in selecting the optimal base station to associate with for the new user, thus the real time of user association and the overall performance of heterogeneous cellular network can be guaranteed.
Selection of a radio access technology resource based on radio access technology resource historical information
The disclosed subject matter provides for selecting a radio access technology resource based on historical data related to the radio access technology resource. Location information can be employed to determine a radio access technology resource. Historical information related to the radio access technology resource can then be employed to determine the suitability of the radio access technology resource. A set of radio access technology resources can be ordered or ranked to allow selection of a suitable radio access technology resource from the set. Incorporation of historical information can provide for additional metrics in the selection of a radio access technology resource over simple contemporaneous radio access technology resource information. In some embodiments, timed fingerprint location (TFL) information can be employed to determine a location.
Method and apparatus for terminal to optimize network resource, and storage medium
The present document discloses a method for a terminal optimizing network resources, including: a terminal monitoring whether a network changes in real time according to a network code for identifying the network; when monitoring that the network changes, searching for a Signaling Connection Release Indication (SCRI) policy adapted to the current network in a pre-stored SCRI policy table; the terminal reading a state of each internal module of the terminal; and determining to send SCRI signaling to a network side according to the SCRI policy and the state of each internal module for the network side to release network resources of the terminal according to the SCRI signaling. Meanwhile, the present document further discloses an apparatus for a terminal optimizing network resources and a storage medium.
Integrated circuit for communication resource allocation
In a wireless communication base station device, a modulation unit carries out modulation processing for Dch data after coding to generate a Dch data symbol. A modulation unit carries out modulation processing for Lch data after coding to generate an Lch data symbol. An allocation unit allocates the Dch data symbol and Lch data symbol to each sub-carrier composing an OFDM symbol and outputs the allocated sub-carrier to a multiplex unit. In this case, the allocation unit allocates the Dch data symbol to a plurality of resource blocks where one Dch is arranged at an interval equal to integral multiples of the number of resource blocks composing a resource block group.
Method and device for allocating resource units using leftover tones in wireless LAN
Disclosed are a method and a device for allocating resource units using leftover tones in a wireless LAN. The method for allocating resource units using leftover tones in a wireless LAN may comprise the steps of: an AP generating PPDUs to be transmitted to a plurality of STAs; and the AP transmitting the PPDUs to the plurality of STAs on all frequency bands, wherein the PPDUs are transmitted from each of a plurality of resource unit sets respectively allocated to each of the plurality of STAs, wherein each of the plurality of resource unit sets includes a first resource unit set and a second resource unit set, wherein the first resource unit set includes at least one resource unit, the second resource unit set includes one tone design resource unit, and wherein the tone design resource unit may include at least one other resource unit and at least one additional tone unit.
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.
Communication apparatus and communication method
The purpose of the present invention is to inhibit an increase in the amount of A/N resources, without changing the timing at which the error detection result of an SCell is notified when UL-DL configurations to be configured for each of the unit bands are different, from the timing at which the error detection result is notified when just a single unit band is configured. A control unit transmits, using a first unit band, a response signal including error detection results about data received with both the first unit band and a second unit band. In a first composition pattern set for the first unit band, an uplink communication subframe is set to be the same timing as at least an uplink communication subframe of a second composition pattern set for the second unit band.
Downlink operations with shortened transmission time intervals
Aspects of the present disclosure generally relate to a conditional utilization of reference signals for managing communications of one or more user equipment (UE) in a wireless communications system. The described aspects include receiving a transmission having a first subframe slot and a second subframe slot, at least one of the first subframe slot and the second subframe slot have a single-slot transmission time interval (TTI). The described aspects further include detecting a first demodulation reference signal (DM-RS) in the first subframe slot and a second DM-RS in the second subframe slot. The described aspects further include determining whether to demodulate the at least one downlink channel in the first subframe slot using the first DM-RS in the first subframe slot or to demodulate both the first DM-RS in the first subframe slot and the second DM-RS in the second subframe slot based on whether at least one condition exists.
Method of transmitting and receiving downlink control information and apparatuses thereof
The present disclosure relates to a method of transmitting and receiving downlink control information and an apparatus thereof. Particularly, the present disclosure relates to a method and apparatus for configuring aUE-USS when a downlink control search space is configured for a UE that supports a coverage enhancement operation or a low complexity UE category/type for a machine type communication (MTC) operation. Particularly, a method may include: receiving a higher layer signaling including at least one of maximum repetition level information and offset information; calculating a location of a start subframe where the repetitive transmission of a downlink control channel starts by using a higher layer signaling; monitoring a UE-specific search space in two or more subframes including the start subframe; and repetitively receiving a downlink control channel including downlink control information through the UE-specific search space.
Method and apparatus for transmitting data in wireless communication system
The present invention relates to a wireless communication system. In detail, the present invention is a method for transmitting data to a base station (BS) at a user equipment. The method comprises: receiving information regarding a contention-based Physical Uplink Shared Channel (PUSCH) zone including a plurality of contention-based PUSCH blocks; allocating at least one contention-based PUSCH resource block for transmission of the data based on the contention-based PUSCH zone information; and transmitting the data to the base station (BS).
Wireless communication method and wireless communication terminal
Provided is a wireless communication terminal. The wireless communication terminal includes a transceiver configured to transmit and receive a wireless signal and a processor configured to control an operation of the wireless communication terminal. The processor collects data to be transmitted to a plurality of terminals, generates an aggregate-MAC protocol data unit for transmitting data to the plurality of terminals at the same time, and transmits the aggregate-MAC protocol data unit to the plurality of terminals.
Method for setting a filter coefficient for a communication system
A method for setting a filter coefficient for a communication system, which adjusts a frequency bandwidth by setting a filter coefficient of a wireless communication system over a communication network, is provided. In the method, a wireless communication system that includes a controller having a filter coefficient database and a web server, and a Digital Signal Processing device requests a filter coefficient and attribute information related to a set target frequency bandwidth from a management terminal. The wireless communication system receives the filter coefficient and the attribute information from the management terminal and stores the filter coefficient and the attribute information in the filter coefficient database. The wireless communication system sets a frequency bandwidth of the digital signal processing device as a set target frequency bandwidth based on the stored filter coefficient and the attribute information.
Information processing device, wireless communication system, and information processing method
The invention relates to an information processing device, wireless communication system, and information processing method to establish stable wireless communication with a terminal. The information processing device includes a frequency identifying unit configured to identify a frequency used for wireless communication between another information processing device and an access point on the basis of communication, and a communication control unit configured to use the acquired frequency to establish wireless communication with the other information processing device.
Apparatus and method for transmitting/receiving paging channel signal in wireless communication network
A method of transmitting paging in a wireless communication network is provided. The method includes transmitting a plurality of paging channels using a plurality of distinct transmitting (TX) beams in a paging available interval by a paging transmitter (PT), each of the plurality of paging channels comprising same paging information; and transmitting a plurality of synchronization channels (SCHs) and/or broadcast channels (BCHs) using a plurality of distinct TX beams, each of the plurality of SCHs comprising a synchronization sequence, and each of the plurality of BCHs comprising system parameters, wherein the TX beams are transmitted in one or more time durations through one or more antenna arrays.
System and method for location boosting using proximity information
A system and method for determining the location of a target mobile device in a communications network. A set of mobile devices in proximity to the target mobile device may be determined (210) as a function of a common parameter of information observed by mobile devices in the set. Measurement data may be shared (220) for the set of mobile devices and the target mobile device, and a location of the target mobile device (230) determined as a function of the shared measurement data. This sharing of measurement data may occur amongst the set of mobile devices and the target mobile device or may also occur at a communication network entity.
System and method for device-to-device communications
A method for device-to-device (D2D) communication includes determining that a first user equipment (UE) is out-of-coverage, the first UE having been previously in-coverage on a first cell. The method also includes starting a timer upon determining that the first UE is out-of-coverage and determining whether the first UE has returned to be in-coverage after starting the timer. Additionally, the method includes determining whether the timer has expired and communicating, by the first UE directly with a second UE, using out-of-coverage resources from the first cell when the timer has not expired and the first UE has not returned to be in-coverage.
Method and apparatus for sending device-to-device synchronization signal, and user equipment
Provided are a method and apparatus for sending a Device-to-Device Synchronization Signal (D2D SS), and a User Equipment (UE). The method includes: selecting, by a source UE one Zadoff-Chu (ZC) sequence from M predetermined ZC sequences of which a length is N; mapping, by the source UE the selected ZC sequence to a predefined D2D SS source; and sending, by the source UE a D2D SS obtained after the mapping to a target UE. The method effectively reduces mutual interferences between a Demodulation-Reference Signal (DM-RS) and a Sounding Reference Signal (SRS) sent by the target UE and the D2D SS. The apparatus includes: a selection component, a mapping component, and a sending component. The apparatus may also include: a storage component, and a processing component.
Wireless communication system to control transmit power for a wireless repeater chain
A wireless communication system to control the transmit power for a wireless repeater chain. The method includes a wireless access point wirelessly exchanging data with User Equipment (UEs) over the wireless repeater chain. The method also includes the wireless access point determining interference levels for wireless access points in neighboring cells, and when the interference levels for at least one of the wireless access points in the neighboring cells exceeds an interference threshold, then the method includes the wireless access point decreasing the transmit power of the wireless repeater chain.
Incorporation of mesh base stations in a wireless system
Incorporation of a mesh base station in a wireless network is presented herein. The mesh base station can utilize common wireless resource allocations as a corresponding wireless base station while transmitting to wireless subscriber stations during the same time period. The mesh base station obtains a data packet from the wireless base station over a backhaul link during a scheduled time period and transmits the data packet to the designated wireless subscriber station during another scheduled time period. The wireless base station and the mesh base station can also receive data packets from wireless subscriber stations during a same time period. A wireless network can be configured with two mesh base stations at an approximate boundary of two adjacent sector coverage areas, where a coverage area is supported by a wireless base station and each mesh base station supports wireless subscriber stations within a coverage radius.
Radio transmit power adjustment based on multiple radio frequency paths and sources of insertion loss
Disclosed is a method and system for compensating for excessive attenuation on an RF connection between a remote radio head (RRH) and an antenna of cell site. In an example configuration, in which first and second RF carriers of a cell site traverse different RF paths between respective RRHs and respective antenna, the second RF carrier may be subject to more attenuation than the first. Consequently, antenna transmission power of the second RF carrier may be below one or another threshold. For communication services to user equipment devices that involve both the first and second RF carriers, the diminished antenna transmission power of the second RF carrier may cause service degradation. In accordance with example embodiments, a controlling network entity may determine that the power is diminished, and responsively reallocate transmission power from an underutilized carrier to the second carrier, thereby boosting its transmission power and remediating service degradation.
Power control in a wireless network
A method for power control in a wireless network is performed in a first node in the wireless network and comprises the steps of: estimating a received power spectral density from a second node in the wireless network; determining a target received power spectral density from a third node in the wireless network, in dependence of the estimated received power spectral density; and sending power control information to the third node in dependence on the determined target received power spectral density.
Method and apparatus for controlling uplink transmission power in wireless communication system supporting machine-type communication
The present invention relates to a wireless communication system. Specifically, the present invention may comprises: a step of a terminal calculating a first maximum power reduction value to be applied to a first uplink channel; and a step of transmitting, from a plurality of subframes, the first uplink channel at the maximum transmission power by applying the first maximum power reduction value. The first uplink channel is transmitted through different frequency resources within the plurality of subframes. The maximum transmission power value has different values according to frequency resources through which specific channels are transmitted. The first maximum power reduction value is a predetermined value applied during the transmission of the first uplink channel.
Balanced wireless data transmission
Embodiments can provide concurrent (or substantially concurrent) wireless communication that can achieve load and/or battery consumption balance between or among a set of wireless devices. In wireless transmission, each receiving device is typically identified by an address or an ID, which can be used for device identification and wireless configuration over wireless link. Under the concurrent wireless transmission in accordance with the embodiments, a secondary device can “impersonate” the primary device by assuming an ID or address assigned to primary device. In this way, load and/or battery consumption balance can be achieved among multiple wireless devices in the concurrent wireless transmission.
Method and apparatus for operating a power save mode in a wireless LAN system
A communication method that includes transmitting a power save multi-poll (PSMP) frame containing a power save mode (PSM) of a non-access point (AP) station (STA) to a first station and to a second station which are paired with an AP on the basis of multiple input multiple output (MIMO) technology. Information on the PSM indicates the point in time of starting a downlink transmission period, the duration of the downlink transmission period, and transmission object station identification information. The method further involves transmitting a data frame to the first station and to the second station on the basis of the MIMO technology during the downlink transmission period. The transmission object station identification information indicates a group identifier for indicating an object station group including the first station and the second station.
Techniques for improved energy-savings management
Techniques for improved energy-savings management are described. In various embodiments, for example, a network management node includes a processor circuit, a communication component arranged for execution by the processor circuit to receive device tracking information from a device tracking node, and a determination component arranged for execution by the processor circuit to determine whether an eNodeB is to enter an energy-saving mode based on the device tracking information. Other embodiments are described and claimed.
Data transmission system and communication method
A data transmission system includes a device and a base. The base includes a near field communication (NFC) module and a processing module configured to determine whether a wireless network exits. The NFC module includes a determining unit configured to determine whether the NFC module writes a predetermined tag after the processing module determines the wireless network exits and configured to determine whether the predetermined tag is an authorization code, a sending unit configured to send a service set identifier (SSID) and a password to the device after the predetermined tag is the authorization code, and a control unit configured to switch an input mode of the base to a wireless network mode after the SSID and the password are sent to the device. The device is configured to be connected to the wireless network after receiving the SSID and the password. A communication method is also provided.
Radio system using nodes with high gain antennas
A radio communication route enables communication from an originating ground station to a destination ground station via one of multiple randomly orbiting satellites with no active attitude control. The ground stations and satellites include multi-feed parabolic antennas for receiving radio signals from and transmitting radio signals in multiple directions. The satellites store an address of a destination ground station from which an initial information signal is transmitted and antenna information identifying the satellite antenna feed on which the initial information signal was received. Plural satellite antennas transmit linking information identifying the satellite to the originating ground station. Data transmissions received at the originating ground station that designate a particular destination are transmitted by the originating ground station using the antenna on which the linking information was received and the satellite retransmits the data transmission using the satellite antenna feed identified by the stored antenna information.
Method and apparatus for directing wireless resources in a communication network
Aspects of the subject disclosure may include, for example, a method including determining, according to first information associated with a first wireless access device and second information associated with a second wireless access device, to facilitate communication between a first wireless communication device in a first geographic area and a network via the second wireless access device, and, in response, directing, according to a directional capability of the second wireless access device, the second wireless access device to cover a first portion of the first geographic area associated with the first wireless communication device, and directing the second wireless access device to facilitate the communication between the first wireless communication device and the network. Other embodiments are disclosed.
System and method for switching access network connectivity based on application thresholds and service preferences
A user device may receive information that identifies a service preference for the user device. The user device may determine an application threshold based on an application that is being executed by the user device. The user device may determine first network metric values associated with a cellular network, and determine second network metric values associated with a wireless local area network. The user device may automatically switch connectivity, of the user device, between the cellular network and the wireless local area network based on the service preference, the application threshold, the first network metric values, and the second network metric values.
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.
Base station, terminal, and communication control method
Provided is a base station that enables data communications in a small cell to continue even if a handover between macro cells occurs. In the base station (100), a handover determination unit (105) determines whether the handover of a control plane from the base station (100) to another macro cell is necessary for a terminal. If it is determined that the handover is necessary, a radio resource control unit (109) and a slave radio resource control unit (110) continue the control of a user plane communication process when the terminal is located inside a small cell, and the radio resource control unit (109) and slave radio resource control unit (110) stop the control of the user plane communication process and perform a process of handover to the other macro cell when the terminal is located outside the small cell.
Macro-cell assisted small cell discovery and resource activation
A method is described for controlling a user equipment to be served by a small cell base station in a wireless communication system including a plurality of small cell base stations controlled by a macro base station. The method includes signaling, by the small cell base station, the small cell base station capabilities to the macro base station; signaling, by the user equipment, the user equipment capabilities to the macro base station; and signaling, by the macro base station, a small cell base station configuration to the user equipment.
Telecommunications network with optimisation of content delivery
A mobile telecommunications network includes: a core network (2020) having content processing means (2055) operable to provide a core network service relating to content, and a radio access network (700, 2003) having radio means for wireless communication with a terminal (10) registered with the telecommunications network, wherein the radio access network (700, 2003) includes a local source of content (1100), wherein the telecommunications network is arranged to provide the content processing means (2055) core network service in relation to the content of the local source (1100), and wherein synchronization means is provided to synchronize the provision of core network service in relation to the content of the local source (1100) with communications with the terminal (10).
Dynamic mobile application quality-of-service monitor
Technologies are generally described for determining a quality-of-service of mobile applications. In some examples, a process for determining a quality-of-service of a mobile application executing on a mobile device coupled to a network includes collecting, by a mobile monitoring application (MMA), network usage measurements associated with multiple network communication sessions from a first network communication layer, wherein the multiple network communication sessions are conducted via the network and are associated with the mobile device. The process may also include evaluating, by the MMA, the collected network usage measurements to determine application-specific usage data associated with the mobile application, and determining, by the MMA, the quality-of-service of the mobile application based on the application-specific usage data.
Method and apparatus for offloading data
A method, apparatus and computer program product are provided for enabling efficient allocation of discovery resources for device to device communications. An example method may comprise establishing a cellular network connection to an access point. The method may further comprise establishing a local area network connection to a user equipment. Additionally, the method may comprise either receiving offloaded data for the user equipment from the access point via the cellular network connection and relaying the offloaded data to the user equipment via the local area network connection, or receiving offloaded data for the access point from the user equipment via the local area network connection and relaying the offloaded data to the access point via the cellular network connection. Similar and related example methods, example apparatuses, and example computer program products are also provided.
Load control method and apparatus for notification messages
The present document discloses a load control method for notification messages. The method includes: a common service entity (CSE) setting a maximum storage number of notification messages for the CSE; the CSE creating a first attribute for a subscription resource when the CSE creates the subscription resource; the CSE setting a second attribute of the notification message according to the first attribute of the subscription resource when the CSE generates the notification message for the subscription resource; and the CSE performing load control according to the maximum storage number of the notification messages and second attributes of various stored notification messages when the CSE stores the notification message and the second attribute of the notification message. The present document also discloses a load control apparatus for notification messages.
Systems and methods for low power consumption in wireless communication systems
Methods, systems, and devices for low power consumption in wireless communication systems are disclosed herein. An evolved node B (eNodeB) is configured to provide a connection reconfiguration message to user equipment (UE) connected to the eNodeB, the connection reconfiguration message configuring the UE to indicate a power preference. The eNodeB receives assistance information from the UE. The assistance information includes a low power preference indication and a timer length, wherein the timer length indicates a preferred duration for a low power mode. The eNodeB provides, in response to receiving the assistance information, a connection release message to the UE. The connection release message includes paging discontinuous reception (DRX) information that includes the timer length.
A first distant apparatus performs communication of streaming data and other data for which a change in data transfer rate is required to be suppressed, and a second distant apparatus performs communication of phone book data and other data for which a change in data transfer rate is permitted. When communication with the first distant apparatus and communication with the second distant apparatus are concurrently performed, a first communication unit is selected for communication with the first distant apparatus and a second communication unit, which is faster than the first communication unit, is selected for communication with the second distant apparatus. Thus, it is possible to make a collision in communication less likely to occur, and to maintain the communication quality of the first type of data.
Radio station and method of processing user data with radio station
A radio station (1) includes a first part (1A) and a second part (1B). The second part (1B) can be arranged so as to be physically separated from the first part (1A) and is connected to the first part (1A) via a transmission line (40) so as to be able to communicate with the first part. The first part (1A) includes a first scheduling unit (20A) capable of performing dynamic scheduling to allocate a plurality of radio resources to a plurality of mobile stations or user data. The second part (1B) includes a second scheduling unit (20B) capable of performing, instead of the first scheduling unit (20A), at least a part of dynamic scheduling for a first mobile station connected to the second part (1B) among the plurality of mobile stations.
Group transmissions in wireless local area networks
A method for MU MIMO channel sounding by a STA includes receiving, from an AP, sounding information including an indication of a first STA of a group of STAs to transmit feedback and training symbols. The method further includes receiving, from the AP, a frame addressed to the group of STAs, wherein the frame includes a PHY preamble including group identification information identifying the group of STAs. The group identification information enables another STA not in the group of STAs, that receives the frame, to set its network allocation vector (NAV) timer based on a duration field in the frame. On a condition the STA is a first STA in the order of the group of STAs, a first sounding response frame may be transmitted to the AP, wherein the first sounding response frame includes quantized sounding feedback determined from the received training symbols.
Base station device, user equipment, and method for reporting channel state information
A base station device, user equipment, and a method for reporting channel state information are disclosed. The base station device receives at least one piece of aperiodic channel state information (CSI) from user equipment, where the at least one piece of aperiodic CSI corresponds to an aperiodic CSI measurement result on a first reference subframe, the aperiodic CSI measurement result on the first reference subframe is an aperiodic CSI measurement result of a first downlink subframe set, and the first reference subframe is a subframe in the first downlink subframe set. The base station device effectively receives an aperiodic channel state measurement result of the downlink subframe set.
Multi-cell signals in OFDM wireless networks
A wireless device receives messages indicating CSI measurement resources of cells belonging to at least two base stations or belonging to at least two sectors of a base station. The wireless device measures CSI employing at least CSI measurement resources of the cells. The wireless device quantizes the measured CSI jointly across cells and encodes and transmits the jointly quantized CSI. The wireless device receives a resource assignment for data packet(s). The wireless device receives signals carrying the data packets from multiple cells.
Selective robust header compression (RoHC) for a VoIP call in a cellular communications network
Systems and methods for selectively enabling Robust Header Compression (RoHC) for Voice over Internet Protocol (VoIP) calls in a cellular communications network are disclosed. In one embodiment, a data radio bearer for a VoIP call is established between a base station and a mobile terminal. During the VoIP call, a radio frequency parameter for the data radio bearer is monitored. When the radio frequency parameter for the data radio bearer satisfies a predefined coverage-based condition, the base station enables RoHC for the VoIP call. In one preferred embodiment, the radio frequency parameter is a Signal-to-Interference-plus-Noise Ratio (SINR) for the data radio bearer for the VoIP call, and the predefined coverage-based condition is a predefined SINR threshold below which the base station enables RoHC. By enabling RoHC in this manner, RoHC resources are selectively made available for those VoIP calls that will benefit most from increased cell coverage provided by RoHC.
System and method for dynamic inter-cell interference coordination
A system including a cell controller and a method for dynamic inter-cell interference coordination based on a strong interference neighbor relationship table (SI-NRT) are provided. In the method, the cell controller generates a SI-NRT based on a predefined threshold value and interferences from a plurality of neighbor cells. The cell controller determines whether a cell needs additional high power frequency band and determines whether there is available high power frequency band in the plurality of neighboring cells based on the SI-NRT.
Data processing method, data processing apparatus and terminal
The present invention provides a data processing method, which is used for a terminal comprising a plurality of operating systems, and the method comprises: determining a first operating system currently used by the terminal when a command to store data in a Subscriber Identity Module (SIM) card in the terminal is received; storing the data in a first storage area of the SIM card when the first operating system currently in use is a designated operating system amongst the plurality of operating systems of the terminal, and storing the data in a second storage area of the SIM card when the first operating system currently in use is a non-designated operating system amongst the plurality of operating systems of the terminal. Correspondingly, the present invention also provides a data processing apparatus and a terminal.
Authenticating mobile applications using policy files
Examples of techniques for authenticating mobile applications are described herein. A method can include receiving, by a processor, a key pair and a policy file associated with a mobile service. The processor can receive a service request from a mobile application at a security gateway. The processor can detect that the service request includes an invalid or missing access token. The processor can redirect the mobile application to request a grant token from an authorization end point on a server. The processor can receive a grant token request from the mobile application and forward the grant token request to the server based on a policy file, the policy file including a list of: a plurality of security objects to be authenticated, a plurality of computing devices to authenticate the security objects, and an order of authentication.
Authentication of a gateway device in a sensor network
A method in a wireless sensing device for authenticating a gateway device of a sensor network is described. The method includes receiving a certificate where the certificate was generated by the management server upon a determination that the gateway device and the wireless sensing device are associated and is a digital document including data and a digital signature, where the digital signature was generated by the management server based on the data and a private key of the management server, and where the data includes a first identifier and a second identifier; confirming that the wireless sensing device is authorized to upload data to the gateway device; in response to the confirming that the wireless sensing device is authorized to upload data to the gateway device, uploading to the gateway device data indicative of a plurality of sensor measurements taken over time to be transmitted to the management server.
Method and apparatus for new key derivation upon handoff in wireless networks
A novel key management approach is provided for securing communication handoffs between an access terminal and two access points. An access terminal establishes a secure communication session with a first access point based on a first master session key based on a master transient key. The access terminal obtains a second access point identifier associated with a second access point and sends a message associated with a handoff to either the first access point or the second access point. The access terminal generates a second master session key based on at least the master transient key and the second access point identifier. The second master session key is used for secure communications with the second access point in connection with an intra-authenticator handoff from the first access point to the second access point. The access terminal then moves the secure communication session to the second access point.
Configuring network access parameters
A method for configuring network access parameters for a smart object to access a network is disclosed. The method comprises connecting, by the smart object, to a network using a first network access device. The smart object uses a wireless networking protocol to connect to the first network access device. The method further comprises authenticating the smart object with a server on the network and receiving network access information from the server. The network access information relates to a second network access device. The method further comprises using the network access information to connect to the network using the second network access device.
System for managing organizational emergencies and coordinating emergency responses
An emergency response system includes remote computing devices programmed via executable code instructions to broadcast an emergency alert to recipients, responsive to instructions received from administrators or emergency responders, the emergency alert including a response request permitting recipients to provide a binary positive or negative user status response, receive the responses from the recipients along with location information, send a map showing known recipient locations coded by corresponding response status to the administrators/responders, provide chat functionality between users during an emergency alert, provide social media functions including message exchange between users, and override the social media functions during an emergency alert so that social media messages cannot be exchanged.
Location by reference for an over-the-top emergency call
Methods and apparatuses for providing support for location and emergency calls for an over-the-top (OTT) service provider (SP) are disclosed. An access network node receives a first message from a UE, determines a location reference for the UE, and sends a second message including the location reference to the UE. The access network node may determine the location reference itself on behalf of a location server or may request the location server to assign and return the location reference. The access network node may serve as a proxy and avoid interaction between the UE and the location server. The location server may later receive a location request for the UE from a network entity wherein the location request includes the location reference. The location server may locate the UE using the location reference and return the UE location to the network entity.
Method and apparatus for transmitting selected pictorial information to be displayed on an e-ink type display of a portable device
Method and apparatus for transmitting selected pictorial information present in a host computing device to be displayed on an e-ink type display of a portable device that shows a displayed previous image, wherein the portable device obtains energy supply from the host computing device required for the refreshment of the displayed image, wherein the portable device calculates the energy required for the next refreshment and indicates when in the device sufficient energy is stored, for the calculation of the required energy the timing profile of the portable device is divided into segments, and only the segment of the profile is used which corresponds to the actual parameters required at the time of refreshment, whereby less energy is needed for the refreshment.
File download method for mobile device, server and mobile device thereof, and computer-readable medium
A file download method for a mobile device, a server and a mobile device thereof, and a computer-readable medium are provided. In the method, the server obtains file identification information according to an access operation of a terminal device on a service website. When the file identification information corresponds to a file of a first type, the server transmits the file of the first type to the mobile device directly. When the file identification corresponds to a file of a second type, the server transmits the file identification information to the mobile device, so that the mobile device downloads the file of the second type according to the file identification information.
Pre-determined responses for wireless devices
In accordance with one or more aspects, criteria including both a type of communication and a user signal are received. Additionally, a response to be stored as a pre-determined response is received. Both the criteria and the response are stored. When a communication satisfying the criteria (both the type of communication and the user signal) is subsequently received, the pre-determined response is sent to the device from which the communication is received.
Systems and methods for determining device location using wireless data and other geographical location data
A computer-implemented method for determining device location of a user device within a venue using a wireless positioning system is provided. The method includes identifying a plurality of signal sample sets, wherein each signal sample set includes a sample location within the venue and one or more wireless signal strengths of associated wireless access points positioned at the venue, wherein the sample location is determined based on location data associated with a corresponding payment card transaction within the venue. The method also includes receiving a subject wireless signal strength sample of the wireless access points captured by the user device at an unidentified location within the venue. The method further includes determining a subject location of the user device based on the plurality of signal sample sets and the one or more subject wireless signal strength samples, and providing the subject location of the user device within the venue.
Copy aided geolocation
The system and method of copy aided geolocation in a cochannel environment. The plurality of emitter signals are detected using a multichannel antenna array, separated into subbands based on frequency ranges using a channelizer, and are further processed using copy weights, property restoral algorithms, and maximum likelihood calculations. The multichannel antenna array may be mounted to a mobile platform and the calculations may assume that the signal of interest is non-Gaussian, but the remainder of emitter signals is combined into another signal that is assumed to be Gaussian. The method and system provides geolocation results that adhere to the Cramer-Rao bound.
Wireless device detection, tracking, and authentication platform and techniques
Methods, systems, and techniques for wireless device detection, information, tracking, and authentication within a platform are provided. Example embodiments provide a Wireless Device Detection, Tracking, and Authentication System and methods, which enables users to detect wireless devices, obtain stored information about wireless devices, and authenticate wireless devices for a variety of purposes including determining similarity of devices based upon prior network connections, pinpointing the location of the device, verifying the cryptographic signature of the device, obtaining metadata associated with the device, and controlling the device to perform a particular action such as alerts and notifications. An example WDDTAS platform includes a server, one or more edge sensors communicatively connected to wireless/wired devices with or without software to configure the device to perform as an electronic tag and connected to electronic smart tags, and a persistent data repository.
Location support for emergency calls
System and method for submitting a location of a mobile device to a public service for providing emergency assistance are described. A mobile device can determine that a user is making an emergency call from the mobile device. The mobile device can then enable a location determination function of the mobile device and determine a location of the mobile device. The mobile device can determine the location in multiple attempts, including, in a first time window, attempting to determine a location with low uncertainty and, if the attempt fails, determining a location with high uncertainty in a second time window. The mobile device can then submit the location to a dispatcher through a mobile network operator.
System and method for using multiple networks to estimate a location of a mobile communication terminal
Apparatus and methods are described, including an interrogation device comprising an antenna, a transmitter-receiver (transceiver), and a processor. The processor, via the transceiver and the antenna, solicits a mobile communication terminal to associate with the interrogation device. While the solicited terminal is associated with the interrogation device, by communicating to the terminal respective identifiers of a plurality of base stations that collectively belong to a plurality of mobile communication networks, the processor drives the terminal to receive respective signals from at least some of the base stations, and communicate a property of at least some of the received signals to the processor. Other embodiments are also described.
Methods and systems for determining positioning information for driver compliance
A method and apparatus for determining positioning information for driver compliance. The apparatus comprising a an electronic processor connected to an electronic control unit and a transceiver and configured to receive the vehicle data from the electronic control unit, determine whether the apparatus includes a local source of positioning information, determine whether a positioning information from the local source of positioning information meets or exceeds an accuracy threshold and an availability threshold, if the apparatus includes the local source of positioning information, and send a request to the portable communication device for additional positioning information if the apparatus does not include the local source of positioning information, or the positioning information from the local source of positioning information does not meet or exceed the accuracy threshold, the availability threshold, or both.
Power supply apparatus configured to wirelessly supply power
A power supply apparatus includes a power supply unit configured to wirelessly supply power to an electronic apparatus, a communication unit configured to receive information regarding the electronic apparatus from the electronic apparatus, and a control unit configured to control whether to perform a process for detecting a foreign object according to whether the information is updated by the electronic apparatus.
Systems and methods for determining microphone position
A method for determining a relative position of a microphone may include capturing speech audio from a user's mouth with the microphone so that the microphone outputs an electrical signal indicative of the speech audio; determining an indication of a position of the microphone relative to the user's mouth, which may include providing a plurality of inputs to a computerized discriminative classifier, wherein an input of the plurality of inputs is derived from the electrical signal, and wherein an output from the computerized discriminative classifier is indicative of the position of the microphone relative to the user's mouth.
Hearing aid system, a hearing aid device and a method of operating a hearing aid system
The application relates to a hearing aid system comprising a hearing aid device comprising a configurable signal processing unit, a programming device configured to program the configurable signal processing unit, and a communication link allowing the exchange of data between the hearing aid device and the programming device. The application further relates to a method of programming configurable signal processing unit to provide an increased speech intelligibility by frequency lowering. The hearing aid system is configured to program the configurable signal processing unit of the hearing device according the claimed method. The invention may e.g. be used in hearing aids.
Fine tuning system and method
The present invention relates to a system for optimizing the fine tuning of a generally known adaptation process, in particular a hearing aid fitting process, on the basis of the individual needs of a customer, the system comprising: a platform on which at least a customer data base and a training scheme for the customer are provided, a web tool by means of which the customer can interact with the platform, in particular input his data into the customer database, a professional unit which sets up the training scheme for the customer and which monitors the data input by the customer, the professional unit being equipped with means for establishing a personal contact with the customer, as well as to a respective process.
Ambient volume modification through environmental microphone feedback loop system and method
A system, method and one or more wireless earpieces for performing self-configuration. A user is identified utilizing the one or more wireless earpieces. Noises from an environment of the user are received utilizing the one or more wireless earpieces. An audio profile associated with the noises of the environment of the user is determined. The components of the one or more wireless earpieces are automatically configured in response to the audio profile and the user identified as utilizing the one or more wireless earpieces.
Load current sensing circuit for class-D amplifier
Systems and methods according to one or more embodiments are provided for sensing a current at an output of a switching amplifier. In one example, a system includes a first transistor switch coupled to a load configured to conduct a current in the load responsive to a first pulse width modulated control signal and a second transistor switch coupled to the load configured to conduct the current in the load responsive to a second pulse width modulated control signal. The system further includes a sample and hold circuit coupled between the load and a current sensing circuit configured to sample a voltage at the second transistor switch for a pre-determined sample time period in response to a midpoint of a second pulse width modulated control signal time period, and configured to provide the sampled voltage to the current sensing circuit.
Sound pick-up device, program, and method
A sound pick-up device of the present disclosure acquires extracted sound as a result of extracting target area sound using non-target area sound present in a target area direction from output of a beam former, divides each of an input signal and the extracted sound into plural bands, computes a power spectrum ratio between the input signal and the extracted sound for each divided band, determines whether or not target area sound is present in the input signal by employing the power spectrum ratios for each divided band, and outputs the extracted sound as a sound pick-up result in cases in which target area sound has been determined to be present.
Earphone assemblies with multiple subassembly housings
Earphone assemblies with multiple subassembly housings are provided.
Loudspeaker and loudspeaker structure
A loudspeaker includes a diaphragm, a frame, an attachment unit, and a fixing member. The frame has a front surface, a mounting surface disposed on a side opposite to the front surface, and a wall surface disposed in a standing manner from the mounting surface. And the frame holds an outer peripheral edge of the diaphragm. The attachment unit includes: a base portion having a top surface facing the mounting surface, a bottom surface on a side opposite to the top surface, a first side surface facing the wall surface, and a second side surface disposed on a side opposite to the first side surface; a first base rib projecting toward the wall surface from the first side surface; a second base rib projecting from the second side surface and extending to the top surface; and a locking portion disposed on a side near the bottom surface of the base portion. The fixing member penetrates the frame from the front surface to the mounting surface and is fixed to the base portion by screwing.
An Omedia panel may be provided that includes an at least one network interface device, a housing, and a front panel. The at least one network interface device might be in communication with a service provider network. The housing may be integrated into a wall of a customer premises and positioned within a wall cavity of the wall. The housing might be configured to support the at least one network interface device. The front panel may be communicatively interfaced with the at least one network interface device such that a user can access one or more ports of the at least one network interface device via the front panel.
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.
Information processing apparatus and information processing method
To perform an appropriate data transmission rate control.An information processing apparatus is an information processing apparatus that receives a stream for outputting image information from another information processing apparatus through wireless communications, and includes a wireless communication unit and a control unit. The wireless communication unit performs communications with the other information processing apparatus for exchanging capability information on the information processing apparatus and capability information on the other information processing apparatus. The control unit performs a stream data transmission rate control relating to the other information processing apparatus, according to the capability information on the other information processing apparatus, radio propagation measurement information on communications with the other information processing apparatus, and usage of the information processing apparatus.
Methods and systems for presenting customized options on a second device
Methods and systems are described herein for a media guidance application that generates for display icons on a second device, in which the icons represent options to perform one or more available media guidance application operations on a first device, and in which the options associated with the icons are selected based on the frequency of use with which the option is used on the first device.
Receiving device, receiving method, transmitting device, and transmitting method
The present technology relates to a receiving device, a receiving method, a transmitting device, and a transmitting method capable of handling various operation modes with high flexibility.Various operation modes in digital broadcasting using an IP transmission method can be handled with high flexibility by use of a service package unit which processes one or a plurality of components constituting a particular service of a plurality of services included in a broadcasting wave of the digital broadcasting using an IP transmission method, and a control signal transmitted by FLUTE session or UDP, in such a manner that the component or components and the first control signal are processed in units of service based on an IP address contained in each packet. The present technology is applicable to a television receiver, for example.
Portable multi-purpose audience measurement systems, apparatus and methods
An example portable device disclosed herein includes means for halting execution of media metering software in response to determining the portable device is being used for a native purpose, the media metering software having been downloaded to the portable device. The example portable device also includes means, responsive to determining that the portable device is not being used for a native purpose, for executing the media metering software to monitor a media signal output by a media presentation device. The example portable device further includes means for determining whether an amount of available power is sufficient to continue execution of the media metering software, and means, responsive to determining that the amount of available power is insufficient, for causing execution of the media metering software to sleep for a first interval of time.
Method and system for serving advertisements during streaming of dynamic, adaptive and non-sequentially assembled video
The present disclosure provides a system and method for serving one or more advertisements during streaming of dynamic, adaptive and non-sequentially assembled video. The method includes reception of a set of preference data and a set of user authentication data. The method includes fetching of the one or more tagged videos. The method includes fragmentation of each tagged video into the one or more tagged fragments. The method includes segregation of one or more mapped fragments into one or more logical sets of mapped fragments. The method includes mining of semantic context information from each mapped fragment. The method includes clustering of the one or more logical sets of mapped fragments into one or more logical clusters. The method includes allocation and insertion of one or more advertisements in one or more advertisement slots. The method includes assembling of the one or more logical clusters of mapped fragments.
Methods and apparatus for content caching in a video network
Methods and apparatus for selectively caching (and de-caching) video content in network so as to reduce content transformation requirements and also cache storage requirements. In one embodiment, a content caching controller associated with a content server differentiates content requests based on content attributes such as the requested codec format (e.g., MPEG or Windows Media), resolution, bitrate, and/or encryption type or security environment. If the content requested by a user is not available with the requested attribute(s), the content server transfers to content to the user by first transforming it. The content server also speculatively caches the transformed content locally, so that a future request for the same content with the same attributes can be filled by transferring without the intermediate transformation step. The controller allows the network operator to optimize use of available storage and transcoding resources.
Video transmission method, gateway device, and video transmission system
A video transmission method is disclosed herein. A target video segmentation is transmitted to a piece of user equipment relatively quickly, so that caching efficiency of a caching device can be improved, and a processing burden of the caching device can be reduced. The method includes: receiving, by a gateway device, a target URL sent by a second user equipment, and determining, from a caching device, a second video corresponding to the target URL; determining a segmentation part of the target URL according to the segmentation part extraction model; and determining a target video segmentation from the second video according to the segmentation part of the target URL, and sending the target video segmentation to the second user equipment.
Dynamic generation of video-on-demand assets for multichannel video programming distributors
A live content distribution device that dynamically generates video-on-demand (VOD) assets for multichannel video programming distributors (MVPDs), receives a live video feed, a plurality of triggers, and metadata from a broadcast provider system over a communication network. The live content distribution device is provided in a MVPD system. A plurality of segments are determined in the received live video feed based on the received plurality of triggers and metadata. One or more VOD content assets are dynamically generated based on a package for playout to one or more servers communicatively coupled with the MVPD system. The package includes one or more of the determined plurality of segments and metadata associated with the determined plurality of segments.
Image encoding device
A prediction vector generation device generating a prediction vector of a disparity vector of a target block in a non-base viewpoint image includes a conversion pixel determination unit determining at least one pixel position in a depth block corresponding to the target block in a depth map corresponding to the non-base viewpoint image, a disparity vector conversion unit calculating a representative value of a depth value of the at least one pixel position determined by the conversion pixel determination unit and converting the representative value into a disparity vector, and a prediction vector determination unit generating the prediction vector of the disparity vector of the target block by using the disparity vector generated by the disparity vector conversion unit. This prediction vector generation device provides good encoding efficiency and suppresses increases in the amount of computation.
Sample array coding for low-delay
The entropy coding of a current part of a predetermined entropy slice is based on, not only, the respective probability estimations of the predetermined entropy slice as adapted using the previously coded part of the predetermined entropy slice, but also probability estimations as used in the entropy coding of a spatially neighboring, in entropy slice order preceding entropy slice at a neighboring part thereof. Thereby, the probability estimations used in entropy coding are adapted to the actual symbol statistics more closely, thereby lowering the coding efficiency decrease normally caused by lower-delay concepts. Temporal interrelationships are exploited additionally or alternatively.
Image coding apparatus and method
An image coding apparatus and method capable of suppressing a decrease in coding efficiency. The image coding apparatus includes: a coding unit that codes image data configured by plural layers; an interlayer prediction-related information generating unit that generates information relating to an interlayer prediction of the current slice in a case a layer of the current slice is an enhancement layer, and a slice type of current slice is a P slice or a B slice; and a transmission unit that transmits coded data of the image data generated by the coding unit and the information relating to the interlayer prediction generated by the interlayer prediction-related information generating unit. The apparatus and method, for example, may be applied to an image coding apparatus that scalably codes image data or an image decoding apparatus that decodes coded data acquired by performing scalable coding of the image data.
Image encoding apparatus, image encoding method, recording medium and program, image decoding apparatus, image decoding method, and recording medium and program
The present invention relates to specification of a tile capable of being independently processed to process a certain area at high speed in encoding and decoding of tiles resulting from division of an image in hierarchical coding of the image.An image encoding apparatus that performs the hierarchical coding of an input image with multiple layers includes an acquiring unit and an encoding unit. The acquiring unit acquires a first image generated from the input image and a second image having resolution different from that of the first image. In the encoding of a first area in the first image acquired by the acquiring unit, the encoding unit performs the encoding using a second area existing at the relatively same position as that of the first area in the first image in the second image as a reference image.
Method and apparatus for SSIM-based bit allocation
A method and an encoder for SSIM-based bits allocation. The encoder includes a memory and a processor utilized for allocating bits based on SSIM, wherein the processor estimates the model parameter of SSIM-based distortion model for the current picture and determines allocates bits based on the SSIM estimation.
Method and device for reducing a computational load in high efficiency video coding
A method for reducing a computational load in high efficiency video coding includes generating a full rate distortion calculation list of selected intra coding modes where the intra coding modes including intra prediction modes and depth modeling modes. A rate distortion cost is determined, with a segment-wise depth coding mode being disabled, for each intra prediction mode in the full rate distortion calculation list and a smallest rate distortion cost intra prediction mode is selected. A rate distortion cost for a particular intra prediction mode is calculated with the segment-wise depth coding mode enabled. After comparison, one of the particular intra prediction mode and the smallest rate distortion cost intra prediction mode having the smallest rate distortion cost is applied to a prediction unit.
Video encoding method, video decoding method, and apparatus using same
The present invention relates to a video encoding method, to a video decoding method, and to an apparatus using same. The video encoding method according to the present invention comprises the steps of: setting a tile and a slice for the inputted current picture; performing encoding based on the tile and the slice; and a step of transmitting the encoded video information. The current picture may include one or more tiles and one or more slices. The largest coding units (hereinafter, referred to as LCUs) in the slice may be arranged based on a tile scan.
Image encoding method, image decoding method, image encoding device, image decoding device, and image encoding/decoding device
A decoding method includes: predicting a current block in an image using a reference block, to generate a prediction block; and generating a reconstructed block using the prediction block, wherein the generating includes: filtering for a boundary between the reconstructed block and a decoded neighboring block, using a first filter strength set using first prediction information for prediction of the current block and second prediction information for prediction of the decoded neighboring block; filtering for the boundary using a second filter strength set without using the second prediction information of the current block and the decoded neighboring block; and switching whether to execute the second filtering, based on the boundary, wherein the first filtering is in-loop filtering in which a filtered reconstructed block is used as a reference block for another block, and the second filtering is post filtering outside the loop.
Method for restoring an intra prediction mode
Provided is a method that de-multiplexes a bit stream to extract intra prediction mode information and residual signals, restores an intra prediction mode of a current prediction unit using the intra prediction information and intra prediction modes of prediction units adjacent to the current prediction unit, generates reference pixels using one or more available reference pixel if there exist unavailable reference pixels of the prediction unit, adaptively filters the reference pixels based on the restored intra prediction mode, generates a prediction block using the restored intra prediction mode and the reference pixels, decodes the residual signal to generating a residual block, and generates a reconstructed block using the prediction block and the residual block. Accordingly, additional bits resulted from increase of a number of intra prediction mode are effectively reduced. Also, an image compression ratio can be improved by generating a prediction block similar to an original block.
Method and system for measuring visual quality of a video sequence
A system configured to apply a human visual system model at one or more human visual system model settings to a reference video sequence and a distorted video sequence to determine a quality score of the distorted video sequence with respect to the reference video sequence is described. The human visual system model settings of the human visual system model are representative of at least one condition associated with an individual viewing the distorted video sequence.
Image calibrating, stitching and depth rebuilding method of a panoramic fish-eye camera and a system thereof
The present invention provides an image calibrating method of a panoramic fish-eye camera comprising the following steps of: establishing a panoramic optical target space; using the panoramic fish-eye camera for shooting the panoramic optical target space's panoramic image; establishing a depth calibration parameter by using a depth calibration module; establishing an internal calibration parameter of the panoramic fish-eye camera; establishing an image stitching parameter and a space depth transformation parameter of the panoramic image and the panoramic optical target space; and using the internal calibration parameter, the image stitching parameter, the space depth transformation parameter and the depth calibration parameter to calibrate the panoramic image for generating a 3D panoramic image. Compared to the prior art, the present invention can optimize the calibration parameters by accumulating all the camera parameters and executing a machine learning for increasing the computing efficiency.
A camera module is provided. The camera module includes a number of camera assembles. Each of the camera assembles includes a lens unit and an electromagnetic driving unit. The electromagnetic driving unit includes at least one magnetic element for controlling the movement of the corresponding lens unit. The distance between two of the magnetic elements, which are closest to each other and respectively positioned in two of the camera assemblies, is greater than the distance between two of the light through holes, to which the two of the camera assemblies are arranged to correspond.
Image processing apparatus and method
The present disclosure relates to an image processing apparatus and method which can improve convenience of a service using a multi-viewpoint image. An image processing apparatus includes an encoding unit which encodes multi-viewpoint image data which is data of a multi-viewpoint image composed of a plurality of images with mutually different viewpoints, and an association processing unit which associates sequence information showing a relative position relationship of each viewpoint of the multi-viewpoint image, and eye number information showing a number of viewpoints of the multi-viewpoint image, with multi-viewpoint image encoding data in which the multi-viewpoint image data has been encoded by the encoding unit.
Encoding device and encoding method, and decoding device and decoding method
An encoding device and an encoding method, and a decoding device and a decoding method configured to reduce an encoding amount of the encoded stream when information regarding a depth is included in the encoded stream. A DPS encoding unit sets depth image information, which is information regarding a depth image, as a DPS different from a sequence parameter set and a picture parameter set. Slice encoding circuitry encodes the depth image to generate encoded data. Further, the slice encoding circuitry transmits an encoded stream including the DPS and the encoded data. The present technology can be applied to, for example, a multi-view image encoding device.
Illuminating device, wheel deterioration detecting method and projector
An illuminating device includes: a light source emitting excitation light; a wheel including a wheel substrate transmitting the excitation light and an illuminating light generating member provided on the first surface of the wheel substrate to generate illuminating light by the excitation light; a photo detector, arranged on the second surface side that is opposite to the first surface of the wheel substrate, detects light that passed through the wheel; and a control unit that determines whether a defect or degeneration has occurred in the illuminating light generating member, based on the light detected by the photo detector.
Image projection kit and method and system of distributing image content for use with the same
A method of projecting imagery. In one embodiment, the method comprises projecting on a surface, from a projector device, a projected image of a matte displayed on a display device; adjusting the size, shape, position, orientation, or any combination thereof, of the projected image of the matte by adjusting the matte displayed on the display device; associating imagery content with the matte; and projecting the associated imagery in the projected image of the matte.
Road vertical contour detection
Various driver assistance systems mountable in a host vehicle and computerized methods for detecting a vertical deviation of a road surface. The driver assistance system includes a camera operatively connectible to a processor. Multiple consecutive image frames are captured from the camera including a first image of the road and a second image of the road. Based on the host vehicle motion, the second image is warped toward the first image to produce thereby a warped second image. Image points of the road in the first image and corresponding image points of the road in the warped second image are tracked. Optical flow is computed between the warped second image to the first image. The optical flow is compared with an optical flow based on a road surface model to produce a residual optical flow. The vertical deviation is computed from the residual optical flow.
Holographic video capture and telepresence system
The invention is directed to recording, transmitting, and displaying a three-dimensional image of a face of a user in a video stream. Reflected light from a curved or geometrically shaped screen is employed to provide multiple perspective views of the user's face that are transformed into the image, which is communicated to remotely located other users. A head mounted projection display system is employed to capture the reflective light. The system includes a frame, that when worn by a user, wraps around and grips the user's head. Also, at least two separate image capture modules are included on the frame and generally positioned relatively adjacent to the left and right eyes of a user when the system is worn. Each module includes one or more sensor components, such as cameras, that are arranged to detect at least reflected non-visible light from a screen positioned in front of the user.
Facial gesture recognition and video analysis tool
Embodiments disclosed herein may be directed to a video communication server. In some embodiments, the video communication server includes: at least one memory including instructions; and at least one processing device configured for executing the instructions, wherein the instructions cause the at least one processing device to perform the operations of: determining a time duration of a video communication connection between a first user of a first user device and a second user of a second user device; analyzing video content transmitted between the first user device and the second user device; determining at least one gesture of at least one of the first user and the second user based on analyzing the video content; and generating a compatibility score of the first user and the second user based at least in part on the determined time duration and the at least one determined gesture.
Remote control of distributed video presentations on a plurality of viewer systems
A system, method and program product for a distributed video presentation with presenter system control of video on viewer systems. The presenter system and the plurality of distributed viewer systems have a presentation application for viewing a video in a presentation mode. At least one video data channel is established for serving the video to the plurality of distributed viewer systems during the presentation mode. At least one video control signal channel is established for controlling display of the video on the plurality of distributed viewer systems. Each of the video data channels is separate from all of the video control signal channels and the presenter system has sole control over the at least one video control signal channel to control display of the video on the plurality of distributed viewer systems.
Display device and mainboard applied in the display device
A display device includes: a display panel; a mainboard including a processing circuit, a signal transmission interface, and a signal conversion interface, wherein the signal conversion interface includes a first interface and a second interface, and the signal transmission interface is electrically connected to a signal transmission interface of the display panel; and an adaptation circuit electrically connected to the signal conversion interface, the first interface of the signal conversion interface being electrically connected to the processing circuit of the mainboard and the second interface of the signal conversion interface being electrically connected to the signal transmission interface of the mainboard.
System and methods for device control and multiple input handling
The present disclosure relates to device control and multiple input event handling. In one embodiment, a process includes detecting a plurality of input commands for control of a display device, determining a multiple input event based on the plurality of input commands, and determining a multiple input control function for the display device based on the multiple input event. The multiple input control function is determined based on input type of the multiple input event and a function of the input type of the multiple input event. The process can also includes controlling operation of the display device based on the multiple input control function, wherein controlling includes modifying display device operation from a control function associated with the plurality of input commands to a multiple input event control function.
Solid-state image sensor and camera
A solid-state image sensor includes an image sensing unit in which a plurality of pixels are arrayed, a plurality of readout units configured to read out signals from the image sensing unit, a detector configured to detect an occurrence of a latch-up in each of the plurality of readout units, and a controller configured to control power supply to the plurality of readout units. The plurality of readout units are configured to read out signals from a same pixel in the image sensing unit. The controller is configured to shut off power supply to at least part of a readout unit in which the occurrence of the latch-up has been detected out of the plurality of readout units and thereafter supply power to the at least part.
Image capturing apparatus and image processing apparatus
The image capturing apparatus includes an image sensor including multiple pixels each including at least one photoelectric convertor and a transmittance distribution provider to provide, to at least part of the multiple pixels, a transmittance distribution depending on an incident angle of light. The multiple pixels includes an adjacent pixel group that includes a first pixel and second pixels adjacent to the first pixel, the adjacent pixel group including pixels to which mutually different four or more kinds of the transmittance distributions are provided. The apparatus produces, by using an input image produced from an output of the image sensor and information on the transmittance distributions, an output image corresponding to an optical observation image observable when an object space is observed from a partial area of a pupil of an imaging optical system.
Camera system and photographing method
A camera system includes a camera, a base configured to support the camera, a transparent cover that covers at least a portion of the camera and the base; a circular polarizer disposed between the camera and the transparent cover; and a controller configured to move at least one of the camera and the circular polarizer to arrange the camera to face the circular polarizer in a first surrounding environment, and move at least one of the camera and the circular polarizer to arrange the camera not to face the circular polarizer in a second surrounding environment.
Imaging device for determining behavior of a brightness adjustment of an imaging optical system and non-transitory computer-readable storage medium
An imaging device includes an imaging unit configured to capture an image of a subject formed by an imaging optical system and to generate a moving-image signal based on the captured image; and a processor comprising hardware, wherein the processor is configured to implement: an inter-frame change information acquisition unit configured to acquire inter-frame change information related to a change between at least two frames of the moving-image signal; an intra-frame information acquisition unit configured to acquire intra-frame information which is information within one frame included in the moving-image signal; and a brightness adjustment determination unit configured to determine behavior of brightness adjustment based on both of the inter-frame change information acquired by the inter-frame change information acquisition unit and the intra-frame information acquired by the intra-frame information acquisition unit.
Methods and apparatus for synchronizing multiple lens shutters using GPS pulse per second signaling
Systems, devices, and methods for synchronizing the operation of a first shutter of a first camera with the operation of a second shutter of a second camera without a physical tether between the first and second cameras. The method includes: receiving a global positioning system (GPS) pulse-per-second (PPS) signal at the first and second cameras; and in response to a unique timing pulse in the PPS signal, simultaneously actuating the first and second shutters.
Omnidirectional high resolution tracking and recording apparatus and method
Omnidirectional high resolution tracking and recording apparatus and method are disclosed. The high resolution tracking and recording apparatus comprises a pan/tilt/zoom camera executable rotation and zoom-in; assistant cameras configured to have fisheye lens; microphones performable beam steering; and a processor configured to control to search a location of an important object in a recorded image by analyzing an image taken by the pan/tilt/zoom camera and the assistant cameras and a sound source recorded by the microphones, rotate the pan/tilt/zoom camera to the searched location, perform zoom-in of the pan/tilt/zoom camera, and amplify a sound occurred in a direction of a sound source by searching the direction of the sound source through preset algorithm.
Stage apparatus, image projector apparatus having stage apparatus, and imaging apparatus having stage apparatus
A stage apparatus includes a base member, a movable member which moves relative to the base member, thrust generators which generate thrust forces against the movable member, and a position detector which detects a translation position and a rotational position of the movable member relative to the base member. An interaction of the thrust forces causes the movable member to at least one of: translate, rotate, translate while rotating, and translate after rotating relative to the base member. The position detector includes permanent magnets fixed to one of the movable member and the base member, and pairs of magnetic sensors fixed to the other of the movable member and the base member. The position detector detects the translation position and the rotational position of the movable member relative to the base member based on detection signals input from the pairs of magnetic sensors.
Panoramic view imaging system with drone integration
Example apparatus and methods acquire individual frames of a portion of a scene under a variety of different operating parameters. Example apparatus and methods then piece together strips of frames from the individual frames. Example apparatus and methods then produce a panoramic image from the strips of frames. Frames are acquired using different imaging parameters (e.g., focal length, pan position, tilt position) under different imaging conditions (e.g., temperature, humidity, atmospheric pressure, pan rate, tilt rate). The frames may be acquired by cameras located in a panoramic view image system and in a drone. The drone may provide imagery or data. The imagery or data may be used to update or enhance the panoramic image by, for example, displaying imagery of a blind spot in the panoramic image. In different embodiments, drones may be detected or controlled.
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.
An imaging module includes: an imaging unit including a light receiving unit having a plurality of pixels arranged in a specified shape including a lattice shape and configured to receive light and to perform photoelectric conversion on the received light, the imaging unit being configured to capture an image of a subject and to output the image as a light quantity signal; a signal processing unit configured to perform signal processing on the light quantity signal; and a flexible substrate which includes a bendable insulating film and on which the imaging unit and the signal processing unit are mounted. The flexible substrate is bent to arrange the signal processing unit and the flexible substrate in a space extending from an outer edge of an incident surface of the imaging unit in a direction perpendicular to the incident surface while maintaining a shape of the outer edge.
Generating color similarity measures
A system including a memory to store instructions and initial color representations and a processor to execute the instructions in the memory to reference a database having a set of lexical color classifiers, transform each of at least a pair of initial color representations to color values associated with the set of lexical color classifiers, and generate a relative similarity measure related to the at least a pair of initial color representations based on the color values associated with the set of lexical color classifiers.
Image reading device for reading image data from document sheet, image forming apparatus, image reading method
An image reading device includes a document sheet conveying portion, an imaging element, a reading processing portion, a detection processing portion, and a stop processing portion. The document sheet conveying portion sequentially conveys a plurality of document sheets placed on a document sheet placement portion. The imaging element is disposed at a document sheet conveyance path. The reading processing portion executes a reading process of reading image data from each of the document sheets placed on the document sheet placement portion. The detection processing portion detects an abnormal image from image data of a document sheet read in the reading process. The stop processing portion, when the detection processing portion has detected the abnormal image, stops the reading process and a power supply to the imaging element, and after an elapse of a predetermined wait time, resumes the power supply to the imaging element, and resumes the reading process.
Operation panel and image forming apparatus therewith
An operation panel used in an image forming apparatus has a panel face, a semi-transparent member of a black or similar color, and a light source. The panel face has an operation region. The semi-transparent member is arranged such that its top face is approximately flush with the panel face at least along a peripheral part of it. The light source is arranged under the semi-transparent member in the peripheral part of the panel face.
Delayed-assignment predictive routing and methods
The methods, apparatus, and systems described herein relate to routing based on customer satisfaction, and include receiving a communication from a customer; retrieving or predicting a first profile of the customer; returning a list of currently available agents and expected available agents, wherein the currently available agents exclude agents that exceed a predetermined work threshold; determining, for each currently available agent and each expected available agent, a proficiency score for handling a customer with the first profile; determining that an expected available agent has a higher proficiency score than a currently available agent; and providing a routing recommendation based on the determined higher proficiency score that will route the customer communication via a communication distributor to the expected available agent.
Sentiment management system
A method of managing customer sentiment includes: monitoring an interaction of a customer with customer interactive media; deriving a sentiment of the customer from the interaction of the customer with the customer interactive media; generating sentiment data for the customer; and updating customer data in a customer database with the sentiment data in real-time.
Communication of information during a call
A request is received from a user of a telephonic device to invoke an application on the telephonic device. A form is displayed to the user using the application. Information input into the form is received by the application along with an indication to submit the form information with a service request to a call handling system. A data communications session between the telephonic device and an application server of the call handling system is established using the application. The form information is provided to the application server. A telephone number of the telephonic device is identified from the form information using which a voice communications session is established with the telephonic device from an interactive voice response system of the call handling system. Voice information is exchanged with the user and text, image or video information is communicated to the user via the voice and data communications sessions respectively.
Method for unlocking screen and electronic device using the same
Disclosed are an electronic device and a method for unlocking screen. The electronic device includes a touch screen, a storage and a processor. The touch screen displays unlocking blocks and non-unlocking blocks in the screen-locking mode of the electronic device. A plurality of files are stored in the storage. In the screen-locking mode, the processor detects a motion track generated when an object is touching the touch screen. If the object has touched the unlocking blocks and the motion track is satisfied with a first unlocking sequence, the processor makes the screen-locking mode released and loads all files. If the object has touched the unlocking blocks and the motion track is satisfied with a second unlocking sequence, the processor makes the screen-locking mode released and loads some of the files. Thus, according to different motion tracks, the electronic device determines to load all or some of the files.
System architecture for closed-loop mobile lockscreen display state control
A system presents close-loop controlled display states on the lockscreen of a mobile device. Contextual information may be collected at the mobile device. The system may access subscriber identity register data to determine subscription registry status for a mobile subscriber associated with the device. The subscriber identity register data and contextual information may be processed by closed-loop display state selection circuitry and next action selection logic to generate a display state selection. The display state selection is sent to the mobile device. The selected display state may be displayed during lockscreen invocations at the mobile device.
Cloud messaging between an accessory device and a companion device
A companion device (e.g., smart phone) and an accessory device (e.g., wearable device) may be configured to communicate messages to each other to flexibly share information, such as emails, text messages, calendar notifications, and media library items. This communication may occur through a direct connection (e.g., Bluetooth) and when the devices are connected to a common Wi-Fi access point. When these direct and common infrastructure connections are not available, the devices may communicate messages between them using a cloud server. This cloud server message communication may advantageously enable the companion device and the accessory device to share messages even when they are physically distant from each other.
Method and system for establishing a communication channel between computing devices in a customer care environment
The disclosed embodiments illustrate method and system for establishing a communication channel between computing devices in a customer care environment. The method includes receiving a first input from a customer-computing device associated with the customer. The received first input is compared with one or more pre-stored datasets. Based on the comparison, a plurality of options corresponding to each of a plurality of levels of one or more workflows is rendered on a user interface displayed on a display screen of the customer-computing device. A second input is received for one of the rendered plurality of options. The second input is representative of at least a preference of the customer for a service associated with a workflow. Based on at least the received second input, a communication channel is established between the customer-computing device and an agent-computing device associated with the customer care agent.
Modular electronic devices
One example modular electronic device of the present disclosure includes a frame and a plurality of electronic modules which are respectively removably received at a plurality of bays formed by the frame. The modular electronic device can enable a user to directly operate, interact with, remove, or otherwise manipulate the electronic modules without requiring the user to navigate through or otherwise interact with a graphical user interface. In particular, the modular electronic device can enable the user to operate, remove, or otherwise interact with the electronic modules by simply touching or pressing a particular electronic module.
Hitless pruning protocol upgrade on single supervisor network devices
Upon receiving a first message, from the second network device, indicating that the second network device is incompatible with one or more virtual local area network (VLAN) pruning techniques, a timer on a first network device is configured to expire after a predetermined period of time. The first network device is configured to maintain a subscription for the second network device to one or more VLANs until the timer expires. The second network device is configured to transmit the first message in response to detecting an upcoming control plane outage at the second device. Prior to the timer expiring, embodiments transmit data assigned to the one or more VLANs to the second network device. Embodiments also periodically receive update messages, from the second network device, identifying one or more VLANs to which the second network device wants to subscribe.
Host network controller
Embodied is a host network controller for a network processor. The host network controller is adapted to implement a finite state machine for an operation adhering to a standardized communication protocol, wherein the finite state machine has fewer possible states than those defined for the operation in accordance with the standardized communication protocol.
Method to build a modular distributed network device using microservices architecture
Disclosed herein is a distributed, modular and highly available routing apparatus that is enabled to perform IP, MPLS VPN v4 and v6 services. The routing apparatus comprises a plurality of functional modules selected from the group consisting of a processor, a data storage module, an input/output module, a shared memory, and a network module. Each functional module is driven by a software architecture comprising a TCP/IP stack, a protocol serializer, a protocol de-serializer, an in-memory data store and one or more utility applications. The software architecture is stored partially or completely in the user space of the operating system of the routing apparatus.
Multicast-unicast protocol converter
A protocol converter includes a processor configured to receive a request for content from a client system. The processor is further configured to determine if the protocol converter is currently receiving the content through the multicast session, and join the multicast session if the protocol converter is not currently receiving the content. Additionally, the processor is configured to receive the content as an end point of the multicast session, format the content for communication to the client system, and provide content to the client system in a communication separate from the multicast session. Receiving the content as an end point of the multicast session can include terminating the application layer protocol used by the multicast session. Additionally, formatting the content can include re-encapsulating the content as hypertext transport protocol (HTTP) with an appropriate content-type.
Method and apparatus for accelerating web service with proxy server
A method provides a web service. The method includes obtaining authentication information of at least one web server from the at least one web server to establish a session in advance and storing the authentication information in a database; searching the database for authentication information of a particular web server, upon reception of a request from a client for access to the particular web server; and performing web server access acceleration if the particular web server exists.
Systems and methods for substituting references to content
Techniques for substituting references to content shared within the social networking system. In an embodiment, a first reference to a first version of content is received. A second version of the content is selected based on at least one optimization objective. A second reference to the second version of the content is created for provision to a user of a social networking system. The second reference is provided for the user. The at least one optimization objective includes at least one of a business objective, a technical objective, and a legal objective. The content may include at least one of video and audio.
Method for processing requests and server device processing requests
The invention relates to a server and a method for processing requests when several requests compete within the same connection having fixed resources. Conventionally, a priority scheme provides priority values for a priority parameter that express priorities relatively to the priorities of other requests, meaning that a relative allocation of resources is obtained for each request. To achieve a better control on the server by the client, the invention provides specific possible values for the priority parameter that correspond to respective processing profiles. Each processing profile represents specific server behavior for resources allocation, by defining a predefined amount of resources. Thus, the client may choose between using the specific possible values to control the exact amount of resources that will be allocated by the server to process some specific requests, and using the other possible values that correspond to a relative allocation of resources as already done in known techniques.
Graphical user interface and video frames for a sensor based detection system
A system may include a sensor a visual capturing device, and a controller. The sensor may be configured to measure a value associated with an input. The visual capturing device may be configured to capture visual data. The controller may be configured to cause the measured value and the captured visual data to be rendered on a display device simultaneously.
Identifying user segment assignments
Disclosed are various embodiments for identifying segment assignments of users within segments of interest. Historical user behavior associated with users for whom segment assignments within segments of interest is analyzed. Probabilities associating possible segment assignments within a segment of interest with user behavior are calculated. User behavior of anonymous users and/or users for which segment assignments are unknown can be determined along with a confidence score.
Metering user behaviour and engagement with user interface in terminal devices
Electronic terminal device including a processing entity for processing instructions and other data, functionally connected user interface entity, a display and user input elements, optionally a keypad or a touch-sensitive arrangement in connection with the display, a memory entity for storing the instructions and data, and a communication interface for transferring data with external entities, configured, in accordance with the instructions, to store data including a number of predetermined fingerprints, each characterizing display usage such as visual objects associated with software entities and potentially shown to the user via the display during execution of the software entity, and log data including behavioral data indicative of user engagement with the UI of the device, the logging incorporating detecting display usage, and storing indication of such detection in the memory, wherein the device is configured to determine the status of the display, and execute the logging according to the determination.
IoT gateway for weakly connected settings
A gateway that may be implemented in a local network and that communicates with a cloud network to provide efficient services in a weakly connected setting is disclosed. The gateway may be configured to enable services that efficiently utilize resources in both of the gateway and the cloud network, and provide a desired quality of service while operating in a weakly connected setting. The gateway may provide data collection and processing, local network services, and enable cloud services that utilize data collected and processed by the gateway. The local network may include one or more sensors and/or video cameras that provide data to the gateway. In a further implementation, the gateway may determine an allocation of one or more tasks of a service between the gateway and a cloud network by determining the allocation of the one or more service tasks based on desired service latency.
Methods and systems for facilitating a remote desktop session utilizing a remote desktop client common interface
Examples of methods, systems, apparatus, and machine-readable storage media are provided to facilitate access and control of a remote desktop of a remote machine by a web browser at a client device through a transcoding server without installing proprietary plug-ins or protocols on the client device. A transcoding server may translate user input requests from a web browser into input calls compatible with a remote desktop display protocol. The transcoding server may receive remote desktop drawing commands from the remote machine and translate the remote desktop drawing commands into web browser drawing updates compatible with the web browser. A transcoding server may communicate with a web browser via HTTP and communicate with a remote machine via a remote desktop display protocol. A web browser may be an HTML5 browser. A transcoding server may send drawing coordinates to the web browser via an HTTP header and may use long polling.
Session control method and computer-readable storage medium storing computer program
A session control method includes storing control information in which a first connection established on a first apparatus side in relation to a relay process is associated with a second connection established on a second apparatus side in relation to the relay process; terminating, when a close instruction message at a communication layer higher than the first and second connections is issued from the first apparatus to the second apparatus, the close instruction message on the relay process and updating the control information; and enabling, when a switchover notice indicating a switch from the first apparatus to a third apparatus is given and the control information indicates the issuance of the close instruction message, a third connection established on the third apparatus side in relation to the relay process and updating the control information in such a manner that the second connection is associated with the third connection.
Systems and methods for managing resources in networked environment
Methods and systems for a networked storage environment are provided. An object index for storing object identifiers is generated for uniquely identifying a plurality of resources represented by a plurality of objects for providing storage services in a networked storage environment. The object index configured to maintain relationship information between the plurality of objects. In response to a request for information regarding a resource received by an application programming interface (API) module; object identifiers from the object index are obtained to respond to the request, where the object identifiers identify a requested object and a related object whose information is stored at the object index. Then configuration information and performance data for the requested object and the related object are obtained from a storage device and provided to the API module.
Distributed file system using torus network and method for configuring and operating distributed file system using torus network
Disclosed herein is a distributed file system using a torus network. The distributed file system may include multiple servers. The multiple servers are connected with each other through an n-dimensional torus network, and each of the multiple servers may be arranged along n-dimensional axes. Among the servers in the distributed file system, a server group of an (n−1)-dimensional torus network may be connected to a public network. Different loads of the distributed file system may be distributed based on the axes. Through the distribution, the processing performance of the distributed file system may be improved.
Dispersing data to biological memory systems
A computing device includes an interface configured to interface and communicate with a dispersed or distributed storage network (DSN), a memory that stores operational instructions, and a processing module operably coupled to the interface and memory such that the processing module, when operable within the computing device based on the operational instructions, is configured to perform various operations including to process monitor signals received from sensors coupled to biological memory devices (BMDs) within the DSN to determine status of the plurality of BMDs that distributedly store encoded data slices (EDSs) associated with a data object. The computing device services data access requests associated with the data object for the EDS(s). For some instances of BMD status, the computing device transfers EDS(s) from one portion of a BMD to another. For other instances of BMD status, the computing device rebuilds or directs rebuilding of EDS(s).
Method and system for fast access to advanced visualization of medical scans using a dedicated web portal
A system for viewing at a client device a series of three-dimensional virtual views over the Internet of a volume visualization dataset contained on centralized databases employs a transmitter for securely sending volume visualization dataset from a remote location to the centralized database, more than one central data storage medium containing the volume visualization dataset, and a plurality of servers in communication with the centralized databases to create virtual views based on client requests. A resource manager load balances the servers, a security device controls communications between the client device and server and the resource manager and central storage medium. Physically secured sites house the components. A web application accepts at the remote location user requests for a virtual view of the volume visualization dataset, transmits the request to the servers, receives the resulting virtual view from the servers, and displays the resulting virtual view to the remote user.
System and method for web container partitions in a multitenant application server environment
In accordance with an embodiment, described herein is a system and method for providing web container partitions in an application server environment. The application server environment can include a domain with one or more partitions, each partition associated with one or more virtual targets, and each virtual target including configuration information for a web server that hosts one or more applications deployed to that virtual target. Each virtual target can register configuration information of its associated web server with a web container. When receiving a request for accessing an application in a particular partition, the web container can examine information in the host header of the request and virtual target configuration information in the web container, to find a matching web server for dispatching the request.
Social networking with video annotation
A method and system for annotating Playable Media Files in a social network having a plurality of members, wherein the method includes receiving the Playable Media File from a first member, receiving an annotation from another member, and saving the annotation in a file other than the Playable Media File.
Generating and using manifest files including content delivery network authentication data
Techniques for serving a manifest file of an adaptive streaming video include receiving a request for the manifest file from a user device. The video is encoded at different reference bitrates and each encoded reference bitrate is divided into segments to generate video segment files. The manifest file includes an ordered list of universal resource locators (URLs) that reference a set of video segment files encoded at a particular reference bitrate. A source manifest file that indicates the set of video segment files is identified based on the request. An issued manifest file that includes a first URL and a second URL is generated based on the source manifest file. The first URL references a first domain and the second URL references a second domain that is different from the first domain. The issued manifest file is transmitted to the user device as a response to the request.
System and method for caching data
A method of obtaining radio content from a remote electronic device for a user electronic device includes transmitting a request for radio media content to a first remote electronic device via a network. Radio media content that includes a plurality of media data files is received via the network. The received plurality of media data files are stored in a storage device of the user electronic device. A radio playlist that defines a rendering sequence for the plurality of media data files is requested. In response to the request for the radio playlist, the radio playlist is received. The radio playlist is processed in the user electronic device to enable the stored plurality of media data files to be rendered on the user electronic device in accordance with the radio playlist.
Reception device, reception method, transmission device, and transmission method
The present technology relates to a reception device, a reception method, a transmission device, and a transmission method in which a convergence service of broadcasting and communication can be realized more effectively. A FLUTE processing unit is configured to acquire one or more components constituting a specific service of a plurality of services included in broadcast waves of digital broadcasting using an IP transfer system, in accordance with a first control signal including information indicating types and a transfer system of the one or more components constituting the specific service such that the convergence service of broadcasting and communication can be realized more effectively. The present technology is applicable to, for example, a television receiver.
Methods and apparatus for registering a device to server
A method for registering a device in a server is provided. The method includes connecting a first device positioned in a certain area to a server; and registering a second device by transmitting identification information of the second device positioned in the certain area to the server by the first device, and storing the identification information of the second device in the server.
Location based sharing of a network access credential
A network access credential can be shared among devices based on location information for a device. Location information can include timed fingerprint location information. In an aspect, location information can be associated with a location of user equipment. This location information can be correlated with network access credentials. Location information can be used to access a relevant network access credential. The relevant network access credential can be shared with other devices. In an embodiment, sharing a network access credential can be between mobile devices. In another embodiment, sharing a network access credential can be between a remote computing device and a mobile device. Sharing a credential can allow for access to a network without having to generate or input new credentials.
Intrusion detection and prevention system and method for generating detection rules and taking countermeasures
A detection rules generation engine includes an initial population creation subsystem configured to receive filtered network traffic instances from a network tap and to build an initial population of decision trees having nodes which are sorted based on an information gain of network features of the traffic instances. A parents selection subsystem is configured to select two individuals from the population based on a selection probability. A depth selection subsystem is configured to select a depth among the nodes of the decision trees. A parents crossover subsystem is configured to apply a crossover operation on the selected individuals. A parents mutation subsystem is configured to apply a mutation operation on the selected individuals. A population replacement subsystem is configured to generate a next population.
Adaptation of access rules for a data interchange between a first network and a second network
Adapting access rules for a data interchange between a first network and a second network by the second network is provided based on a service-specific integrity information item of the first network, wherein the first network processes data for carrying out a service and the service defines multiple components. A respective integrity status is transmitted for each of the components by each respective component via a communication link within the first network to a management unit of the first network. The service-specific integrity information item is computed based on each respective integrity status by the management unit. The service-specific integrity information item is transmitted by a network access point of the first network to a receiver in the second network for adapting the access rules. Access by the receiver to each respective integrity status is prevented.
Method and system for IPSec security for IPP-USB data
A method of providing security for data being transferred over a Universal Serial Bus (USB) connection, the method comprising: setting an IPsec policy configuration on a host device hand a client device; sending a packet to a first loopback interface on the host device, wherein the first loopback interface configures the packet to be routed to a second loopback interface on the client device; sending the packet from the first loopback interface to an IPsec module for encryption; filtering the packet received from first loopback interface; sending the packet to the client device over the USB connection; injecting the packet into the second loopback interface; sending the packet from the second loopback interface on the client device to the IPsec module on the client device for decryption; and sending the decrypted packet to the second loopback interface on the device application, wherein the packet is received on the client device.
Remediating computer security threats using distributed sensor computers
A computer-implemented method, comprising: detecting network messages that are emitted by a compromised computer, wherein the compromised computer comprises at least one malware item that is configured to direct unauthorized network activity toward one or more enterprise networks or enterprise computers; queuing copies of the network messages in a queue; forwarding the network messages to original destinations; determining whether the number of network messages exceeds a specified threshold associated with an attack vector; filtering by the processor, the copies that do not include one of a set of port values associated with known computer attacks; analyzing, by the processor, timing of the copies with respect to a predetermined schedule including active hours and inactive hours, detecting one or more security threats caused by the comprised computer based on the determining, filtering, and the analyzing, sending a result of the detecting to a security control computer over a communication network.
Intrusion prevention and remedy system
According to one embodiment, a computerized method is directed to neutralizing callback malware. This method involves intercepting an incoming message from a remote source directed to a compromised endpoint device. Next, a first portion of information within the incoming message is substituted with a second portion of information. The second portion of information is designed to mitigate operability of the callback malware. Thereafter, the modified incoming message, which includes the second portion of the information, is returned to the compromised endpoint device.
Enterprise security measures
A system for managing security within an enterprise includes a computing device that receives a vulnerability, generates a user score for each user within the enterprise and generates a threat score for the vulnerability. A user device score may also be generated for each device associated with a user. Based on the user score and the threat score, a composite score is generated. After acquiring a security measure, the security measure is implemented based on the composite score and, at times, the user score.
Detection of bypass vulnerabilities
A method and proxy device for detecting bypass vulnerabilities in a cloud-computing platform are provided. The method includes identifying an access attempt by a client device to a cloud-based application hosted in the cloud-computing platform; identifying login information corresponding to the identified access attempt; requesting authenticated login information from a central authentication system; correlating the login information corresponding to the access attempt with the authenticated login information; determining, based on the correlation, whether a bypass vulnerability exists; and generating a bypass event when it is determined that the bypass vulnerability has been exploited wherein the bypass event indicates that the access attempt to the cloud-based application has not been properly authenticated.
Traffic simulation to identify malicious activity
Systems and methods may simulate traffic to identify malicious activity. A dynamic analysis system comprising a processor in communication with a network may receive a copy of a malware program and load the copy of the malware program into a simulated endpoint. The system may monitor simulated endpoint network traffic to or from the simulated endpoint, assess the simulated endpoint network traffic to determine a source and/or destination for the simulated endpoint network traffic and/or content of the simulated endpoint network traffic, and capture and store metadata associated with the simulated endpoint network traffic. A comparison system may compare simulated network traffic metadata to observed network traffic metadata to determine whether the metadata are statistically similar. When the metadata are not statistically similar, the system may generate a low infection confidence score. When the metadata are statistically similar, the system may generate a high infection confidence score.
System, method and computer program product for managing access to systems, products, and data based on information associated with a physical location of a user
In accordance with embodiments, there are provided mechanisms and methods for managing access to data based on information associated with a physical location of a user. These mechanisms and methods for managing access to systems, products, or data based on information associated with a physical location of a user can enable improved data management efficiency, enhanced data management accuracy, decreased data management costs, decreased licensing costs, increased security, additional marketing opportunities, etc.
Centralized access management of web-based or native applications
Provided is a process including: processing, with a permission-management application requests to manage permissions of one or more users to access resources with client computing devices, wherein: the permission-management application is configured to manage permissions for users of an organization to access a plurality of network-accessible applications; the plurality of different network-accessible applications have different permission-management application program interfaces; and the permission-management application is configured to manage permissions for users to access respective instances of a plurality of different native applications executing on the client computing devices.
Evaluating a questionable network communication
Techniques for evaluating a questionable network communication are disclosed. In some implementations, a network of computing systems or devices is provided. Each system includes an evaluation module that determines whether an outbound or inbound network communication is allowable based on one or more factors or properties of the communication, including one or more of an IP address, a listening port, a geographic location, time of day, or the like. The systems in the network may be configured to only communicate with other devices that are identified in a white list of trusted computing systems.
Peer to peer enterprise file sharing
Disclosed are various embodiments for facilitating the distribution of files from a file repository. Files from a file repository can be distributed via peer to peer transmissions where the peer devices can perform authentication functions. The authentication can be performed based upon metadata associated with the files as well as based upon authentication requests submitted to an authentication server.
Peer to peer enterprise file sharing
Disclosed are various embodiments for facilitating the distribution of files from a file repository. Files from a file repository can be distributed via peer to peer transmissions where the peer devices can perform authentication functions. The authentication can be performed based upon metadata associated with the files as well as based upon authentication requests submitted to an authentication server.
Systems and methods for securing social media for users and businesses and rewarding for enhancing security
The disclosed system and method enhances security of people, organizations, and other entities that use what has been termed “social media.” Recent trends have shown that information posted to social media may cause tremendous damage to individuals and other entities. This includes information that was posted deliberately or unintentionally, including social security numbers, financial data and other sensitive information. Further, information that previously may have been viewed as innocuous, such as location data, has caused harm on certain occasions and may need to be protected. The disclosed system provides a novel method of screening, identifying, and preventing certain information from being posted on social media and other public locations. In addition, the disclosed system and method improves security by motivating people to use security software by offering rewards for its use.
Identifying user equipment using tuple of browser type and elapsed hash time for challenge data set
A historical repository of UE identifiers associated with sets of prior mean values and prior standard deviation values, is maintained. A browser request message is received from a web browser on a suspect UE and requests access to an electronic resource. An identification challenge message is sent toward the web browser and contains a hash script configured to be processed by the web browser to hash a challenge data set and to report a measurement of elapsed hashing time. A device identification report is received from the web browser and contains a terminal signature tuple of a reported UE identifier and the elapsed hashing time. A posterior probability value indicating a likelihood that the suspect UE corresponds to a genuine UE identified by the reported UE identifier, is generated. Whether the suspect UE is permitted to access the electronic resource is controlled based on the posterior probability value.
Authenticator centralization and protection
Provided is a method for authenticating a user communicating with an enterprise via a network. The method includes receiving, via the network, authenticators for a user from a first user device associated with the user, and storing the received authenticators. A first authenticator from the stored authenticators is selected to be used for authenticating the user based on an authentication policy received from the enterprise. An authentication request is transmitted to a user device requesting the first authenticator and the user is authentication by by comparing the received authenticator with the stored first authenticator.
Bypassing certificate pinning
A client application performs certificate pinning as a means of authenticating the identity of a server. A proxy is interposed in the communications path of the client and the hosting server and provides a proxy security certificate to the client. In response to the client extracting a proxy authentication component from the proxy security certificate, operation of the client is paused and a hosting server authentication component is extracted from a hosting server security certificate. The client operation is resumed, providing the extracted hosting server authentication component to the client, in substitution for the proxy authentication component. Based on receiving the extracted hosting server authentication component, the client authenticates the proxy to receive communications directed to the hosting server.
Methods and systems for authenticating users
A method of authenticating users is provided that includes storing data in a buffer. The data is within a temporal window and includes biometric data extracted from frames included in a video and quality feature values calculated for each frame. Each quality feature value corresponds to a different quality feature. Moreover, the method includes calculating a score for each different quality feature using the corresponding quality feature values, and determining a most recent frame included in the video includes biometric data usable in a biometric authentication matching transaction when the calculated score for each different quality feature satisfies a respective threshold score value.
Time-based one time password (TOTP) for network authentication
A Time-based One-Time Password (TOTP) validator is interposed between a principal and a network service. The validator interacts with a mobile application (app) on the mobile device associated with the principal to dynamically supply a validator secret. The secret and, perhaps, other information are processed by the app to generate a TOTP when the principal attempts to access a protected resource of the network service. The validator independently generates the TOTP and compares the app generated TOTP, and on a successful match, a principal's access device is redirected for access to the protected resource.
Secure, untethered provisioning and troubleshooting of wireless network devices
A wireless network device only installs configuration information that is wirelessly received from a provisioning device if the wireless network device successfully authenticates a security token it receives from the provisioning device. The provisioning device can obtain the security token by scanning a label associated with the wireless network device or by other methods.
Publicly readable blockchain registry of personally identifiable information breaches
A registry is utilized to identify personally identifiable information (PII) that has been breached. The registry is a distributed database shared by multiple organizations to track which PII has been breached in other organizations. A first service provider initially receives PII and corresponding signed descriptor from a user. The PII is used to verify an identity of the user and the signed descriptor describes the type of PII that is received. The first service provider queries the registry to determine if the signed descriptor of the user has been written to the registry by a second service provider, indicating that it has been breached at a service provided by the second service provider. If the first service provider uses the breached PII, the breached PII is invalidated by the first service provider.
A system and method of network privacy enables end-users of a Network to have legal title or rights to all data knowingly or unknowingly transmitted while traversing a network and make individual determinations about privacy. The components may include fiber optic, copper wire, wireless satellite and or terrestrial data transport, network-level (TCP/IP) switches, an apparatus that anonymizes and redistributes user data to network data and service providers, an apparatus, system, software or process that maintains end-user security using any network protocol, any encryption method or protocol, any anonymization method and a client Graphical User Interface (“GUI”).A client GUI, electronic communication or parcel enables network end-users to option out or option into every field of end-user data that is defined and determined to be technically and contractually collectable by the network owner as represented to the end-user by the end-user and network owner agreement terms and conditions.An apparatus system, software or process maintains end-user security where the end-user connects to the network using any network protocol, any encryption method or protocol and any anonymization method. An apparatus anonymizes and redistributes user data to network data and service providers that enable network data and service providers to obtain transmissions of end-user data on end-users that have optioned into an agreement to enable the transmission of selected optioned end-user data. A data transport network enables data to be transmitted securely to and from the end-users, the apparatus that anonymizes and redistributes the end-user's data and the network data and service providers. Private Communities of Trust may be infinitely replicated and use a Centralized Privacy Authority that administers ownership of end-user data by network users, end-user monetization of data, anonymization of end-user data that can be transmitted to data and service providers and prevention of unauthorized end-user data collection. Each COT provides access the End-User via the owner of the COT with and the Correspondence the COT owner has with Internet entities to clearly define the rights of the End-User in the COT and the role of the owner of the COT in relation to the End-User and the Central Privacy Authority. A secure method of allowing one end-user in one Private Secure Community of Trust to transfer information/files from that group to another end-user in a different Private Secure Community of Trust via the Central Privacy Authority.
Delivering security functions to distributed networks
Systems and methods for delivering security functions to a distributed network are described herein. An exemplary method may include: processing a data packet received from a switch, the data packet directed to the at least one network asset; selectively forwarding the data packet using the processing and a rule set; inspecting the forwarded packet; directing the enforcement point to at least one of forward the data packet to the at least one network asset and drop the data packet, using the inspection and the rule set; accumulating data associated with at least one of the data packet, the processing, and the inspection; analyzing the at least one of the data packet, the processing, and the inspection; and initiating compilation of a high-level security policy by the compiler using the analysis to produce an updated rule set.
Hybrid hardware-software distributed threat analysis
Embodiments relate to detecting and mitigating network intrusions. Packets are inspected at their source/destination hosts to identify packet trends local to the hosts. The local packet trends are combined to identify network-wide packet trends. The network-wide packet trends are used to detect anomalies or attacks, which in turn informs mitigation actions. The local inspection may be performed by reconfigurable/reprogrammable “smart” network interfaces (NICs) at each of the hosts. Local inspection involves identifying potentially suspect packet features based on statistical prevalence of recurring commonalities among the packets; pre-defined threat patterns are not required. For network-wide coherence, each host/NIC uses the same packet-identifying and occurrence-measuring algorithms. An overlay or control server collects and combines the local occurrence-measures to derive the network-wide occurrence-measures. The network-wide occurrences can be used to automatically detect and mitigate completely new types of attack packets.
Policy-based content filtering
Methods and systems for processing application-level content of network service protocols are described. According to one embodiment, a firewall maintains multiple configuration schemes, each defining a set of administrator-configurable content filtering process settings. The firewall also maintains a security policy database including multiple firewall security policies. At least one of the firewall security policies includes an associated configuration scheme and an action to take with respect to a particular network session based on a set of source Internet Protocol (IP) addresses, a set of destination IP addresses and/or a network service protocol. Policy-based content filtering of network sessions is performed by: (i) identifying a firewall security policy matching traffic associated with the network session; (ii) identifying content filtering processes to be performed on the traffic based on the configuration scheme associated with the matching firewall security policy; and (iii) applying the identified content filtering processes to the traffic.
Automatic blocking of bad actors across a network
According to one aspect, embodiments of the invention provide a system for restricting access to a network, the system comprising a monitoring module configured to be coupled to a plurality of network access points and to monitor transmissions to the network via a plurality of network security appliances, and a blocking module, wherein the monitoring module is further configured to identify a potential bad actor based on a transmission from the potential bad actor to the network via a first one of the plurality of network access points and a first one of the plurality of network security appliances and provide information related to the potential bad actor to the blocking module, and wherein the blocking module is configured to confirm that the potential bad actor should be blocked and in response, to automatically configure each network security appliance to block the potential bad actor from accessing the network.
High performance DNS traffic management
The present disclosure provides systems, methods, and products for high performance implementation of traffic management rules. In various embodiments, traffic management rules, such as DNS traffic management rules, are functionally expressed as rows in one or more lookup tables that are deployed to DNS resolution servers. The DNS resolution server uses the domain name, resource record type, traffic management rule types, and/or traffic management variable values to search for or look up an answer, from among multiple answers corresponding to the domain name and resource record type that meets the traffic management criteria. This look up is done without executing conventional traffic management code or scripts.
Data management profile for a fabric network
Method and systems for controlling data remotely that includes connecting to a remote device within a fabric of smart devices. The remote device stores data locally. Controlling the data includes remotely controlling the data stored in the remote device from another device connected to the fabric by transmitting a message to the remote device. Moreover, the transmitted message includes a profile identifier that causes a data management entity of the remote device to perform an indicated data management action. Furthermore, the profile identifier identifies a data management profile, and the message includes a command tag that indicates the data management action to be performed.
Social media threat monitor
Technologies are generally described for systems, devices and methods effective to generate a report related to an entity. An identifier may be received from a computing device. The identifier may identify the entity. A keyword may be received from the computing device. A first social media post that includes the identifier may be identified. An association between a user that generated the first social media post and the entity may be identified. A second social media post generated by the user may be identified. A determination may be made whether the second social media post includes the keyword. A report may be generated based on a determination that the second social media post includes the keyword.
Anonymous two way communications system and method
A system and method for allowing two-way anonymous communication. A message is received by the system, and a unique user ID is created and associated with the sender's contact information. The message if forwarded to the appropriate administrative user, along with the user ID but not the sender's contact information. A response from the administrative user may then be routed back to the sender by matching the user ID associated with the response with the contact information associated with that user ID. Thus, communication with possible without the parties knowing the identity of the other party.
Processing messages for retrieval from a message queuing system
Methods and systems are provided for processing messages for retrieval from a message queuing system. The method may be carried out at a message sending component, and may include: receiving requests from multiple clients, where a request includes at least one required record; forming a union of requests, such that a common record of multiple requests is handled once; providing the common record with an associated reference count of requests requiring the record, and associated metadata listing the client requests in the record; sending a record response to a queuing system when processed including the reference count and the metadata listing the client requests; determining when all records in a request have been sent; and notifying a client that the request can be retrieved from the message queuing system, including a response list indicating to the client the identifier of the requested records retained at the message queuing system.
Method and mobile device for sending emails with attachments
A mobile device for accessing content stored on a remote server over a mobile network includes a processor configured to direct the mobile device to send a request directing a management server to initiate a transaction.
Emoji commanded action
A system and method for receiving and executing emoji based commands in messaging applications. The system and method may include processes such as identifying emojis in a message, determining one or more action based on the emoji, and completing the determined actions.
Ranking to determine relevance of social connections
In one aspect, a method includes receiving an indication that a first user has interacted with a second user in a social network, calculating a social affinity score between the first user and the second user based on first user information, second user information, or relationship information between the first user and the second user and scheduling delivery of a notification to the recipient based on the social affinity score. Systems and machine-readable media are also provided.
Apparatuses and methods for web page sharing
A method for web page sharing may include receiving, by at least one processor, a triggering operation executed on an interface of a current application running on a terminal device by a user of the terminal device; calling, by at least one processor, a sharing interface of a target application from the interface of the current application in response to the triggering operation; displaying, by at least one processor, a plurality of contacts of the user associated with the target application on the sharing interface of the target application; receiving, by at least one processor, a first selection operation from the user to select a contact of the user from the plurality of contacts; generating, by at least one processor, a sharing message in response to the first selection operation; and sending, by at least one processor, the sharing message to the selected contact through the server.
A main unit of a director-class switch including a wire-based backplane located in a chassis, having a plurality of slots configured to receive switch boards. The wire-based backplane includes a plurality of harnesses each including first and second cartridges, a plurality of interface port units mounted on each of the first and second cartridges and cables connecting each of the interface port units of the first cartridge to each of the interface port units of the second cartridge. The harnesses are mounted in the chassis such that the interface port units face ends of the slots in a manner configured to mate with corresponding connectors of switch boards inserted into the slots. A plurality of interface port units are mounted in each slot. Each cartridge includes interface port units which are located in a plurality of different slots.
Technologies for transactional synchronization of distributed objects in a fabric architecture
Technologies for performing switch-based collective operations in a fabric architecture include a computing node that includes a host fabric interface (HFI) usable to communicate with network computing devices of the fabric architecture. The HFI is configured to associate an object with a transaction identifier generated by the HFI for a corresponding transactional synchronization session managed by the HFI of the computing node. Additionally, the HFI is configured to store received data associated with received write transaction that include the transaction identifier in a local buffer of the HFI. Upon receiving a transactional synchronization session termination request, the HFI is configured to initiate a write of the data stored in the local buffer of the HFI to one of the one or more data storage devices of the computing node. Other embodiments are described herein.
Modification of computing resource behavior based on aggregated monitoring information
A computer system deploys monitoring agents that monitor the status and health of the computing resources. An analysis engine aggregates and analyzes event information from monitoring agents in order to support self-configuration, self-healing, self-optimization, and self-protection for managing the computer resources. If the analysis engine determines that a computing resource for a software application is approaching a critical status, the analysis engine may issue a command to that computing resource in accordance with a selected policy based on a detected event pattern. The command may indicate how the computing resource should change its behavior in order to minimize downtime for the software application as supported by that computing resource. The computer system may also support a distributed approach with a plurality of servers interacting with a central engine to manage the computer resources located at the servers.
Transformation of discrete service events into continuous, periodic data for metering and billing of cloud services
A cloud computing system includes services that provide virtual cloud computing resources. The service publishes service events that are transformed into periodic rating data as per centralized, pluggable, service-specific business rules. The cloud computing system includes a metering service that reduces network traffic for billing using a carry-forward mechanism that remembers a last-known rating state. Anomalies in the last-known state, such as, from lost or duplicate service events, can be detected via a reconciliation protocol between the metering service and cloud computing services.
Systems and methods for hardware accelerated metering for openflow protocol
A new approach is proposed that contemplates systems and methods to support hardware-based Quality of Service (QoS) operations, which offloads metering functionalities under OpenFlow protocol to a programmable hardware unit/block/component. The hardware unit supports several hardware implemented ports and each port supports multiple configurable queues for the packet flows through a network switch/chip/system. Specifically, the hardware unit includes a plurality of descriptor queues (DQs) configured to accept requests to send a plurality of packets from one or more CPU cores, and a plurality of condition and schedule modules configured to meter, schedule, and condition the packets through a hierarchy of scheduling queues under one or more metering constraints. The hardware unit is programmable to configure the byte-based and/or packet-based rate-limit for each of the packet flows with a calculated adjustment on allowed variations without requiring complex QoS algorithms to maintain the rate-limits of the flows.
Bi-Connected hierarchical data center network based on multi-ported network interface controllers (NICs)
The exemplary embodiments provide an indirect hypercube topology for a datacenter network. The indirect hypercube is formed by providing each host with a multi-port network interface controller (NIC). One port of the NIC is connected to a fat-tree network while another port is connected to a peer host forming a single dimension of an indirect binary n-cube. Hence, the composite topology becomes a hierarchical tree of cubes. The hierarchical tree of cubes topology uses (a) the fat-tree topology to scale to large host count and (b) the indirect binary n-cube topology at the leaves of the fat-tree topology for a tightly coupled high-bandwidth interconnect among a subset of hosts.
Sequence number update
The invention relates to a method and device in a communications network when a User Equipment, UE, needs to update a next expected Transmission Sequence Number, TSN, continuously in order to avoid discarding successive transmissions. The method comprises: resetting a next_expected_TSN value in said network and UE to predetermined values after a predetermined inactivity time.
Packet loss mitigation
A method of generating a sequence of packets representing a stream of one or more media frames at an encoding system, the method comprising: in dependence on a measure of data loss over a network, determining a level of error correction data required in respect of a stream of media frames in order to substantially satisfy a recovery parameter expressing a target proportion of packets recoverable using error correction data; in dependence on the determined level of error correction data, identifying a target encoding bitrate so as to not exceed a target transmission bitrate over the network; encoding the stream of media frames so as to generate encoded data at the target encoding bitrate; and processing the encoded data and error correction data formed in respect of the stream of media frames so as to generate a sequence of packets at a rate commensurate with the target transmission bitrate.
Communication flow control system, communication flow control method, and communication flow processing program
When a processing method determination means is not able to determine a processing method for a communication flow of packets, flow identification information transmission means transmits information within the packets equivalent to a portion or all of first flow identification information for identifying the communication flow to a processing determination unit. Control action determination means determines a control action on the basis of information received from a communication flow processing unit and second flow identification information stored in control action storage means. Control instruction means instructs the communication flow processing unit to control the communication flow on the basis of the control action. Processing method registration means registers a processing method for the communication flow with process method storage means on the basis of control instructions from a control unit.
High-performance quality-of-service packet scheduling for multiple packet processing engines
A system and method is provided for optimizing network traffic. The system includes a packet engine of a plurality of packet engines configured to acquire a data packet, to store the data packet in a queue, and to provide a request including a packet token representing the data packet, information regarding the size of the data packet, and a connection token. The system also includes a packet scheduler configured to receive the request; schedule the data packet using the connection token and the information regarding the size of the data packet; and provide the packet token and a notification to the packet engine for allowing the packet engine for transmitting the data packet.
Data processing method of NOC without buffer and NOC electronic element
A data processing method for an NOC without buffer and an NOC electronic element are provided. The method includes: receiving multiple packets by a routing node in one processing period, where the plurality of packets need to be transmitted to a same forwarding port; acquiring priority information of the multiple packets and determining priority levels of the packets based on the priority information, where for each packet, the priority information includes time length information of the packet and program priority information of a program corresponding to the packet, and the time length information of the packet represents a time period during which the packet is remained in the NOC; and forwarding a packet having a highest priority through the forwarding port. The method and the NOC electronic element are applied to data processing for the NOC without buffer.
Method and device for processing service function chaining
The disclosure discloses a method and device for processing a Service Function Chaining (SFC). The method includes that: the SFC receives a message sent from forwarding equipment; the SFC generates a forwarding table corresponding to the message; and under a condition that a preset state of a forwarding table sending switch is on, the SFC sends the forwarding table to the forwarding equipment to make the forwarding equipment forward the message according to the forwarding table when receiving the message, wherein the forwarding table sending switch is used for indicating the SFC whether to send the forwarding table to the forwarding equipment or not. By the disclosure, an effect of increasing a success rate of data forwarding of the SFC is achieved.
Aliasing of named data objects and named graphs for named data networks
Systems, methods and computer program products for aliasing of named data objects (in named data networks) and entities for named data networks (e.g., named graphs for named data networks). In various examples, aliasing of named data objects may be implemented in one or more named data networks in the form of systems, methods and/or algorithms. In other examples, named graphs may be implemented in one or more named data networks in the form of systems, methods and/or algorithms.
Conveying traffic in a communications network system
Traffic is conveyed in a communications network by a homogeneous transport network from edge nodes located at edges of the homogeneous transport network to at least one processing center (D-center, C-center) located at an edge of the homogeneous transport network. The at least one processing center processes the traffic and controls and forwards traffic to be further conveyed to the edge nodes.
Scalable framework for managing QoS requirements after a switch link failover in a switch fabric network
Upon detecting a failure of a switch link in a set of multiple redundant switch links that directly connect two nodes in the switch fabric network, the system performs a failover operation that remaps network traffic associated with the failed switch link to an alternative switch link in the set of multiple redundant switch links. Each node in the switch fabric network maintains a mapping table that translates from logical ports and associated logical virtual lanes to physical ports and associated virtual lanes. The system also provisions switch links with private virtual lanes comprising resources to facilitate failover operations. While remapping the network traffic, the system changes the mapping table so that network traffic, which is presently directed to a physical port and associated virtual lane for the failed switch link, is remapped to an alternative physical port and an associated private virtual lane, for the alternative switch link.
Systems and methods for performing layer one link aggregation over wireless links
A first layer one link aggregation master comprises a first port coupled to receive customer traffic; a first channel; a second channel; an aggregation engine coupled to the first and second channels; a first switch circuit coupled to the first port and to the first channel, and configured to communicate the customer traffic from the first port over the first channel to the aggregation engine, the aggregation engine including a splitter circuit configured to use layer one information to segment at least a portion of the customer traffic into a first virtual container and a second virtual container, the aggregation engine further including an encapsulation circuit configured to encapsulate the second virtual container using Ethernet standards for transport over the second channel; a radio access card configured to generate an air frame based on the first virtual container for wireless transmission over a first wireless link of a link aggregation group to the receiver; and a second switch circuit coupled to the second channel, and configured to communicate the Ethernet-encapsulated second virtual container over an Ethernet cable to a slave for wireless transmission over a second wireless link of the link aggregation group to the receiver.
Route reflector as a service
A computer device may include logic configured to generate a virtualized environment for a customer; receive a request to provide a route reflector service for the customer; and generate a virtual route reflector on the generated virtualized environment, in response to receiving the request to provide the route reflector service for the customer. The logic may further be configured to establish a Virtual Private Network (VPN) or secure tunnel connection between the generated virtual route reflector and a client router associated with a customer network via a cloud center access system, wherein the cloud center access system connects a cloud center system that includes the computer device to a provider network that includes the client router; and establish a Border Gateway Protocol (BGP) session between the client router and the generated virtual route reflector using the established VPN or secure tunnel connection.
Network device, control method, and storage medium
The present invention relates to a network device that is connected to a network and able to perform communication with a monitoring server via the network, a control method of a network device, and a storage medium that stores a program of implementing the control method. A network device according to the present embodiment generates first transmission data including setting information of the network device and generates second transmission data in the same structure as the first transmission data with lower processing load than the first transmission data. The network device transmits the generated second transmission data to the monitoring server using a command for executing a process different from a communication acknowledgement process. The network device suppresses transmission of the first transmission data in a case where a predetermined response to transmission of the second transmission data from the monitoring server is not received.
Monitoring connections for data communications
A method for monitoring connections for communicating data is provided. The method includes monitoring communication of data from a device over a connection. A current connection performance parameter for the connection is determined based on the monitoring. The current connection performance parameter is compared with a predetermined threshold. If the current connection performance parameter is less than or equal to the predetermined threshold, the connection is determined to be degraded. An alert may be provided to a user if the connection is determined to be degraded and an alert condition is met.
Method and system for on demand elastic management of devices and services
A method and system are disclosed that enables a customer to specify when services should be provisioned on a “just-in-time” or elastic basis. By dynamically specifying when services should be received, a customer is better able to suit such services to customer needs, thereby allowing the customer to only pay for what is actually used. Using an on-demand portal, a customer may prescribe when (or the degree to which) services should be enabled, and/or when the devices that utilize those services, or the services themselves, need to be monitored. Accordingly, the customer is given flexibility to dictate when services are required or when their services or devices require monitoring by a service provider, and the service provider is given the flexibility to tailor the amount of resources required to support and manage the customer's demands, thereby enabling more efficient use of both the customer's and service provider's resources.
Symmetric coherent request/response policy enforcement
A set of service level agreement (SLA) policies and service level definition (SLD) policies that are applied to a request message of a correlated request/response message pair are tracked. A response message of the correlated request/response message pair is detected. A corresponding set of platform-specific policy enforcement processing rules that are used to enforce the set of SLA policies and SLD policies on the response message are identified using the tracked set of SLA policies and SLD policies applied to the request message. The set of SLA policies and SLD policies are enforced on the response message using the identified corresponding set of platform-specific policy enforcement processing rules.
Optimizing application availability
An approach to an optimal application configuration. The approach includes a method that includes computing, by at least one computing device, an actual application impact based on an “N” number of failing information technology (IT) infrastructure components within an application architecture. The method includes determining, by the at least one computing device, a factor in likelihood of failure of the “N” number of IT infrastructure components. The method includes determining, by the at least one computing device, a failure profile for the application architecture based on the actual application impact and the factor in likelihood of failure.
Method and system for collecting statistics on network communication data
A method for collecting statistics on network communication data includes: acquiring, by a first client, an identification code, requesting corresponding webpage content from a server according to the identification code, and displaying the webpage content; receiving, by the first client, a user-entered communication operation instruction including an operation type, sending the instruction to the server, and receiving an operation binding identification code that is returned by the server; acquiring, by a second client, the operation binding identification code displayed on the first client, and extracting the first client operation information and the entry prompt information from the operation binding identification code, the first client operation information including an operation type; and acquiring, by the second client, operation description information based on the entry prompt information, generating a binding relationship between the first client operation information and the operation description information, and sending the binding relationship to the server for statistics collection.
Systems and methods for enhanced discovery
Disclosed herein are a variety of devices, methods, processes, and systems for providing enhanced service discovery. Entities in a network may send requests for service discovery to a resource directory and the resource directory may respond with the requested discovery information. This discovery information may be cached at a network node located on the path between the requesting entity and the resource directory. Upon detecting a similar discovery request, the network node may reply with the cached discovery information, forward the request to another entity based on the cached discovery information, or reply with an address or location of another entity that may have the requested discovery information.
Enhanced cloud demand prediction for smart data centers
Techniques are provided for predictively activating physical servers. Embodiments determine a plurality of physical servers that are available within one or more data centers. A plurality of virtual workload deployment requests that were processed within the one or more data centers during a historical window of time is determined. Embodiments classify each of the plurality of virtual workload deployment requests into one of a plurality of categories. A respective neural network prediction model is generated for each of the plurality of categories, based on the virtual workload deployment requests classified into the respective category. Embodiments then determine a number of physical servers to have active at a future moment in time, using the generated neural network prediction models.
Method, node device and system for establishing label switched path
The present invention discloses a method for advertising link bandwidth information, comprising: sending a link state advertisement (LSA) message comprising bandwidth information of a link to a plurality of network nodes in a network, wherein the bandwidth information comprises a plurality of link bandwidths and availabilities corresponding to the plurality of link bandwidths respectively, wherein each availability is a time scale that the corresponding link bandwidth is ensured.
Policy driven network probe for determining internet protocol selection
A computer-implemented method, according to one embodiment, includes: transferring data over a network using a first mode, at least one of randomly, periodically and continuously determining network performance characteristics during the transferring, applying a policy to the network performance characteristics determined during the transferring, continuing to use the first mode of data transfer in response to a result of applying the policy mandating continued use of the first mode, selecting a second mode of data transfer in response to the result of applying the policy mandating use of the second mode, and transferring data over the network using the second mode in response to selecting the second mode.
Customizing network configuration of virtual machines using subnet mapping rules
Techniques disclosed herein provide disaster recovery IP customization based on rules associated with virtual networks that virtual machines (VMs) are connected to. In one embodiment, the rules are applied to each recovered VM to dynamically derive new TCP/IP settings at a recovery site based on TCP/IP settings used at a protected site and the virtual networks that the VMs is connected to at the protected and recovery sites. In particular, the rules may be defined in IP mapper objects associated with mappings between protected site networks and recovery site networks. During disaster recovery, the protected-site-to-recovery-site network mapping for a vNIC of a recovered VM is determined and rules that are defined in the IP mapper object associated with such a network mapping are evaluated to generate new TCP/IP settings.
Creating new cloud resource instruction set architecture
A method and system are provided. The system includes a network configurator for configuring a network as a backplane of the system to optimize throughput rate and minimize latency across a plurality of subsystems that are cloud-based and that form the system. The plurality of subsystems includes hardware and software subsystems. The system further includes a composable system building block configurator for refactoring, based on a disaggregated system principle, the plurality of subsystems to use the network to communicate as a single system. The system also includes a system resource multidimensional model generator for generating a multidimensional optimization model that models the composable system building blocks as resources having adjustable parameters in a multidimensional parameter space.
Portable universal personal storage, entertainment, and communication device
A method for synchronizing configuration states of a portable device across a plurality of computing platforms comprises associating a plurality of computing device platforms in a plurality of computing device types with a plurality of synchronization protocols; identifying a type of first computing device via a network; identifying a synchronization protocol associated with the computing device platform in the identified computing device; sending a configuration state from the portable device to the first computing device according to the identified synchronization protocol, and updating the configuration state according to user input on the first computing device; receiving an updated configuration state from the first computing device; translating the updated configuration state to a data format used by a second computing device platform in a second computing device; and storing the updated configuration state and the translated updated configuration state on the portable device.
Automatic updates to fabric alert definitions
For automatic updates to fabric alert definitions, a method monitors fabric alert definitions defined for a storage area network having a plurality of switches and a plurality of fabrics. The fabric alert definitions define alert conditions within the storage area network relevant to events occurring within one or more of the plurality of fabrics. The method further detects one or more changes to the plurality of fabrics by discovering relationships between each fabric and each switch within the storage area network and comparing current relationships against previous relationships. In addition, the method automatically modifies fabric alert definitions having a reference to changed fabrics responsive to detection of the one or more changes to the plurality of fabrics.
High efficiency signal field coding
This disclosure describes methods, apparatus, and systems related to a high efficiency signal field coding system. A device may determine a high efficiency preamble in accordance with a high efficiency communication standard to be sent to one or more devices, the high efficiency preamble including at least in part a high efficiency signal field. The device may determine a common part included in the high efficiency signal field. The device may determine one or more device specific parts associated with the one or more devices. The device may encode the high efficiency signal field based at least in part on a predetermination combination of at least one of the common part or the one or more device specific parts. The device may cause to send the high efficiency preamble to the one or more devices, including the encoded high efficiency signal field.
Aliasing enhanced OFDM communications
A system comprises an analog front end (AFE), an analog-to-digital converter (ADC), and alias detection circuitry. The AFE may be operable to receive an analog signal via a communication medium, wherein a first frequency band of the analog signal is occupied by an OFDM symbol and a second frequency band of the analog signal is occupied by first aliases generated during digital-to-analog conversion of the OFDM symbol. The ADC is operable to digitize the particular band of the analog signal to generate a digital signal, wherein, during the digitization, aliasing of the first aliases results in second aliases which fall into the first frequency band. The alias detection circuitry is operable to detect the second aliases in the first frequency band of the digital signal, and process the digital signal based on the detected second aliases to generate an output signal.
System and method for peak-to-average power ratio reduction of OFDM signals via weighted gradient-based adaptive peak cancellation
Embodiments include a system, method, and computer program product that receives an Orthogonal Frequency Division Multiplexing (OFDM) symbol, and utilizes a weighted gradient-based adaptive peak cancellation convergence algorithm to create a peak cancellation signal to reduce a peak-to-average power ratio (PAPR) as well as induced error rates of the OFDM symbol. Iterations of the weighted gradient-based adaptive peak cancellation convergence algorithm produce a peak cancellation signal that converges to a desired peak cancellation signal that satisfies a targeted PAPR. Some embodiments utilize a priori knowledge of a power spectral density of clipping noise and pre-defined transmission constraints in the frequency domain to create a peak cancellation signal with specific and desired spectral density properties. For example, some peak reduction tones (PRTs) may be scaled to take advantage of available power resources associated with the pre-defined transmission constraints, where the scaling is specific to each PRT.
Device and method of peak-to-average power ratio (PAPR) reduction in accordance with a target out-of-band (OOB) emission spectrum
Embodiments of a radio-circuit apparatus are generally described herein. The radio-circuit apparatus may comprise circuitry to generate an output baseband signal to reduce one or more localized peak power levels of an input baseband signal. The output signal may be based on a difference between an input baseband signal and an excess signal. The radio-circuit apparatus may further comprise a hard clipper circuit to restrict power levels of the input baseband signal to a clip range to generate a clipped signal. The radio-circuit apparatus may further comprise one or more filters to filter a predicted OOB emission signal in accordance with a target OOB emission spectrum. The predicted OOB emission signal may be based on a difference between the input baseband signal and the clipped signal.
Joint physical layer security and PAPR mitigation in OFDM systems
Systems and methods for securing orthogonal frequency division multiplexing (OFDM) transmission of data are discussed herein. Transceivers can sense the signal strength of frequencies on an OFDM wireless channel. The transceivers can determine which of the frequencies are fading frequencies failing below a threshold. A transmitting transceiver can send artificial data on the failing frequencies and genuine data on the remaining frequencies. Artificial data can be designed to mitigate peak-average-power ratio (PAPR) to have an additional benefit without using extra resource.
Wireless transmitter using a widebrand digital-to-analog converter for processing multiple channels in a digital radio-frequency signal
A wireless transmitter processing chain includes digital radio frequency mixing circuitry to generate, in digital form, a representation of a transmit signal including multiple communication channels. From the digital representation, a wideband digital to analog converter creates the analog transmit signal that includes the communication channels. Individual mixers and filters follow, with mixing frequencies tuned to place the communication channels at the desired frequency centers.
Miniature wireless communication system
A wireless microphone with the remote transmitter using a duplicate of the radio frequency determining circuits of the radio receiver to insure that the remote transmitter frequency tracks the temperature drift of the radio receiver frequency, and also with a compressor to reduce the dynamic range of the sounds captured by the microphone. The superheterodyne radio receiver having small size and low current consumption by wiring the elements of the receiver in series rather than in parallel with the battery avoiding the use of switching regulators and also by using the same amplifier to amplify the antenna signal and the local oscillator signal and by adjusting the local oscillator current based on the strength of the received radio signal. The wires between the radio receiver and the speaker are part of the antenna for the radio receiver.
Clock data recovery with non-uniform clock tracking
Systems and methods for adjusting a phase step size of a clock data recover (CDR) circuit are described according to aspects of the present disclosure. In certain aspects, a method for adjusting a phase step size of a CDR circuit includes sensing a frequency offset of the CDR circuit, and adjusting the phase step size of the CDR circuit based on the sensed frequency offset. The frequency offset may be sensed by sensing a signal level on an integration path of a loop filter of the CDR circuit. The phase step size of the CDR circuit may be adjusted by switching the CDR circuit between a first phase step size and a second phase step size using a modulator (e.g., a sigma-delta modulator).
Nested feed-forward optical equalization using an electro-optic modulator with a multi-segment electrode
A method and system of optical communication are provided. An optical modulator device includes a first and a second waveguide segment, and is configured to modulate an incident optical signal. A first feed-forward equalization (FFE) circuit including an inner first tap and an inner second tap, is configured to equalize the first waveguide segment. A second FFE circuit including a first inner tap and a second inner tap, is configured to equalize the second waveguide segment. An FFE recombination of the first inner tap and the second inner tap of the first and second FFE circuits, is in the electrical domain, respectively. An FFE recombination of the first and second modulation signals, operative to equalize a combination of the first second waveguide segments, is in the optical domain.
Peak cancellation-crest factor reduction device, peak-to-average power ratio reduction method, and peak value determination device
A peak cancellation-crest factor reduction (PC-CFR) device includes a clipping unit configured to output a clipping error signal by clipping amplitude values of a first baseband complex signal based on a predetermined threshold value; a peak value determination unit configured to receive the clipping error signal, and determine a first amplitude value as a peak value when the first amplitude value is greater than a second amplitude value input before the first amplitude value and a third amplitude value input after the first amplitude value among amplitude values of the clipping error signal; a cancellation pulse generator (CPG) allocation unit configured to allocate the peak value to a CPG; and a subtractor configured to subtract a cancellation pulse generated from the CPG from the first baseband complex signal and output a second baseband complex signal with a reduced peak-to-average power ratio (PAPR).
Handover method and control transfer method
A handover method and a control transfer method are provided. A handover method of performing an inter-cell handover between a first ground station and a second ground station may include setting a first channel to the second ground station, measuring, by an airborne radio station, a second channel and reporting a measurement result to the first ground station, sending, by the first ground station, a handover request to at least one of a ground control station (GCS) or a control and non-payload communication (CNPC) network, determining, by the at least one of the GCS or the CNPC network, whether to perform a handover, and transmitting, by the at least one of the GCS or the CNPC network, a handover instruction to the airborne radio station based on a result of the determining.
Remote control with muscle sensor and alerting sensor
A remote control system detects a directional signal at an alerting sensor package; activates an appliance to accept a control signal in response to the directional signal; accepts the control signal at the appliance from a muscle sensor package; and adjusts operation of the appliance in response to the control signal.
Method, apparatus, and system for controlling smart home environment using LED lighting device
The present disclosure provides a smart home control system including at least one LED lighting device and at least one smart terminal. The LED lighting device includes an LED light-emitting module, a power supply module, a video acquisition module, a processing module and a communication module. The video acquisition module may be configured to collect video data within a camera detection range, and send the video data to the processing module. The processing module parses and recognizes the video data to detect behavioral information, generates control instructions according to the behavioral information, and controls the communication module to send the control instructions to the smart terminal. The system consistent with the present disclosure enables timely detection and prevention of illegal activities and/or unsafe behaviors, as well as recognition and execution of specified user instructions.
Systems and methods for storing and sharing transactional data using distributed computing systems
A computer system that interfaces with a blockchain is provided. The computer system receives match data for a match between a first data transaction request that is associated with a first identifier and a second data transaction request that is associated with a second identifier. A first blockchain transaction is generated based on the match data and stored to a blockchain. At least one further blockchain transaction is generates that splits the match into two different transactions—one between the first identifier and an intermediary and the second between the intermediary. These are recorded to the blockchain via the further blockchain transactions.
Construction of digital identity documents in a manner that allows the user to select which attributes are to be revealed
A method, system and computer program product for facilitating the generating of digital identity documents. A system receives a selection and initialization of properties (e.g., identity attributes, document type, alternate views, an acquisition uniform resource locator (URL)) to be used in a digital identity document (e.g., driver's license). The system then builds a template using the selected properties. The system may then present a list of built templates to a user/verifier to be used in generating a corresponding digital identity document. Upon receiving the selected template, the system provides the acquisition URL associated with the selected template to the user/verifier to be used by the user/verifier to request the corresponding digital identity document from the issuer. After receiving the digital identity document constructed by the issuer from the issuer, the system delivers the received digital identity document to the user/verifier.
Method of programming a smart card, computer program product and programmable smart card
There is provided a method of programming a smart card, said smart card comprising a secure element and a microcontroller unit which is connected to said secure element, the method comprising: (a) the secure element receives a firmware image from a host device; (b) the secure element validates the firmware image; (c) the secure element forwards the firmware image to the microcontroller unit if the firmware image is valid; (d) the microcontroller unit receives the firmware image from the secure element; (e) the microcontroller unit extracts firmware from the firmware image; and (f) the microcontroller unit installs the firmware in a memory unit of said smart card. Furthermore, a corresponding computer program product and a corresponding programmable smart card are disclosed.
Proactivized threshold password-based secret sharing with flexible key rotation
Methods and apparatus are provided for proactivized threshold password-based secret sharing with key rotation. An exemplary method comprises determining a difference between updated and prior values of a share, wherein the updated value comprises a fixed share of a plurality of shares of a secret; setting at least one polynomial coefficient of a correction polynomial employed by a polynomial-based secret sharing scheme to a value that depends on the difference; applying the polynomial-based secret sharing scheme to obtain share correction values that comprise a share correction value for the fixed share derived from the at least one polynomial coefficient; and providing the share correction values to at least one party that generates the fixed share from the provided share correction value for the fixed share and the prior value of the share. The secret can optionally be updated. A key rotation scheduler optionally performs a new sharing of the secret based on a refreshing schedule and/or a refreshing policy.
Data transmission in carrier aggregation with different carrier configurations
Techniques are provided for aggregating carriers with different carrier configurations. The carriers may include both time division duplex (TDD) and frequency division duplex (FDD) carriers which may be configured such that control information for both carrier types is conveyed by the TDD carrier. In one aspect, an association between a set of subframes, including both TDD and FDD subframes, is determined. The association may operate to distribute control information for the FDD carrier over uplink subframes of the TDD carrier to achieve a load balancing. Alternatively, the association may operate to minimize a hybrid automatic repeat request (HARQ) feedback delay. The TDD carrier may provide resource grants for the aggregated carriers and the association may be used to identify subframes from both carriers which may be scheduled in a given DL subframe.
Multifunction channelizer/DDC architecture for a digital receiver/exciter
A digital receiver includes a digital synthesizer that generates a local oscillating (LO) signal at a selected frequency, and a signal mixer that receives an input signal and generates a mixed output signal in response to shifting a phase of the input signal based on the frequency of the LO signal. A multi-mode dynamic channelizer is selectively operable in a first mode and a second mode. The first mode generates a plurality of individual channels having a channel size defined by a bandwidth and a gain, and the second mode generates a parallelization of a selected channel. In response to operating in the second mode, the multi-mode dynamic channelizer adjusts at least one of the bandwidth and the gain of the selected channel based on the mixed output signal to change the channel size of the selected channel.
Wireless communication apparatus and wireless communication method
A wireless communication method is provided for a transmission apparatus that transmits an OFDM (orthogonal frequency division multiplexing) signal using a communication band that comprises a plurality of subcarrier groups each including a plurality of subcarriers. The method includes specifying which subcarrier group and how many subcarriers are to be used to transmit the OFDM signal and determining a configuration of a transmission frame, generating the OFDM signal by mapping data symbols according to the determined configuration of the transmission frame, and transmitting the generated OFDM signal. The number of subcarriers to be used to transmit the OFDM signal is variable, the OFDM signal may be generated using a plurality of modulation schemes including QPSK and 16QAM, and a plurality of mapping patterns are prepared for each of the plurality of modulation schemes.
Method for reporting channel state information, method for supporting same, and apparatus for said methods
A method for channel measurement based on a channel state information (CSI)-reference signal (RS) in a wireless communication system including receiving, by a terminal, CSI-RS resource configuration information through higher layer signaling and receiving, by the terminal, the CSI-RS according to the CSI-RS resource configuration information; wherein the CSI-RS resource configuration information includes information on one or more cell specific-RS (CRS) antenna ports assumed to be quasi-co-located with one or more antenna ports used to transmit the CSI-RS, and deriving, by the terminal, CSI based on the CSI-RS using the information on the one or more CRS antenna ports.
Hybrid automatic repeat/request (HARQ) reliability in wireless communications
Various aspects described herein relate to hybrid automatic repeat/request (HARQ) communications in a wireless network. A first instance of a HARQ communication is transmitted or received over a first set of one or more links. Based on the transmitting or receiving the first instance of the HARQ communication, a scheduling grant can be received for a second instance of the HARQ communication over a second set of one or more links different from the first set of one or more links. The second instance of the HARQ communication can accordingly be transmitted or received over the second set of one or more links based at least in part on the scheduling grant.
Method and apparatus for signaling aperiodic channel state indication reference signals for LTE operation
A UE can receive Zero Power Channel State Information Reference Signal (ZP-CSI-RS) configuration information for an aperiodic ZP-CSI-RS of a serving cell. The UE can receive Downlink Control Information (DCI) on a physical control channel in a subframe of the serving cell. The DCI can indicate whether a Physical Downlink Shared Channel (PDSCH) of the UE in the subframe of the serving cell is rate-matched around resource elements indicated by the ZP-CSI-RS configuration information. The UE can decode the PDSCH in the subframe of the serving cell based on rate-matching around the resource elements indicated by the ZP-CSI-RS configuration when the DCI indicates the PDSCH of the UE is rate-matched around the resource elements indicated by the ZP-CSI-RS configuration.
Multiple component carrier OFDMA communication system
A method of enhancing a downlink channel coding structure in an OFDMA (orthogonal frequency division multiple access) communication system is provided. The method includes: segmenting a concatenation of multiple transport blocks amongst multiple component carriers; and separately performing link adaptation for each component carrier according to channel conditions experienced by that component carrier.
Digital broadcasting system and data processing method
A digital broadcasting system is provided. The system includes an RS (Reed-Solomon) encoder configured to encode mobile service data for FEC (Forward Error Correction) to build RS frames including the mobile service data and a signaling information table, a signaling encoder configured to encode signaling information including fast information channel (FIC) data and transmission parameter channel (TPC) data, a group formatter configured to form data groups, wherein at least one of the data groups includes encoded mobile service data, known data sequences, the FIC data and the TPC data, and a transmission unit configured to transmit the broadcast signal including a parade of the data groups.
Apparatus and method for protecting communication device of railroad car
An apparatus and method for protecting a communication device of a railroad car is provided. The apparatus includes an antenna portion configured to include main antennas and an auxiliary antenna, a main receiver configured to check a magnitude of a received signal transferred through the main antennas of the antenna portion, an auxiliary receiver configured to check a magnitude of a received signal transferred through the auxiliary antenna of the antenna portion, and a controller configured to compare the magnitude of the signal received by the main receiver and the magnitude of the signal received by the auxiliary receiver, determine whether there is a jamming signal according to a comparison result, and take a preset countermeasure when it is determined that there is a jamming signal.
Method for transmitting support information for removing interference of terminal, and serving cell base station
One embodiment of the present specification discloses a method by which a serving cell transmits support information for removing interference of a terminal. The method comprises: a step for determining, by the serving cell, a downlink timing offset with neighboring interference cells; and a step for to determining, by the serving cell, a channel corresponding to an interference removal target among neighboring interference cells according to the timing offset. Here, the channel to have interference removed can be the channel interfering in a control channel for the serving cell according to the timing offset. The method further includes a step for enabling the serving cell to generate the interference removal support information on the determined channel and transmit the generated information to a terminal.
System and method for filtered OFDM
A method includes generating, by a transmitter, an original OFDM signal having at least one OFDM symbol, the at least one OFDM symbol having an associated time domain tail; truncating, by the transmitter, at least a portion of the time domain tail to produce a truncated OFDM signal; and transmitting, by the transmitter, the truncated OFDM signal.
System and method for testing a radio frequency transceiver by controlling test flow via an induced interrupt
System and method for controlling test flow of a radio frequency (RF) signal transceiver device under test (DUT) by inducing an interrupt via an internal signal interface or an external signal interface (with one example of the latter being a baseband signal interface for conveying audio signals). With exemplary embodiments, one or more DUT control signals are provided to or otherwise initiated within the DUT by inducing an interrupt, including inducement via use of the signal interface. With further exemplary embodiments, one or more test control signals are also provided to RF circuitry that responds by transmitting one or more RF receive signals for the DUT and receives from the DUT one or more RF transmit signals related to the one or more DUT control signals.
Generic network infrastructure for nano-communication
A method for molecular communication within a nanonetwork. The method includes the steps of: (i) providing a nanonetwork communication system including a transmitter, a receiver, and a physical channel layer, the physical channel layer including a medium configured to allow a communication molecule to be transmitted from the transmitter to the receiver; (ii) transmitting, via the physical channel layer, the communication molecule from the transmitter in a plurality of bursts, wherein information is encoded in the concentration of the communication molecule; (iii) receiving the communication molecule by the receiver; and (iv) varying at least one of the plurality of bursts, wherein varying the plurality of bursts modulates the information transmitted by the communication molecule.
Methods and apparatus for radio frequency (RF) photonic spectrometer using optical frequency combs
A radio frequency (RF) photonic spectrometer may include a laser and a receiver branch including an optical modulator optically coupled to the laser and configured to modulate laser light based upon a radio frequency (RF) input signal, and an optical bandpass filter optically coupled to the optical modulator. The spectrometer may further include optical comb branches optically coupled to the laser and each including a frequency comb generator coupled to a respective RF reference signal, with the RF reference signals having different frequencies associated therewith. Furthermore, an output stage may be configured to determine a frequency of the RF input signal based upon outputs of the receiver branch and the optical comb branches.
Optical relay device, control method, and optical transmission system
An optical relay device includes a WSS functioning as a wavelength selective switch capable of performing path switching in wavelength units and optical level adjustment for each of wavelengths and a control device that instructs, on the basis of a fluctuation amount of an optical level for each of the wavelengths of an optical signal output from the WSS and setting information indicating, for each of the wavelengths, whether optical level adjustment for the wavelengths of the optical signal is enabled, the WSS to perform a setting change of an optical level adjustment amount of the optical signal.
Shorter wavelength transmission of OAM beams in conventional single mode fiber
A method for transmission of orbital angular momentum (OAM) data over an optical fiber involves generating an optical signal at a selected wavelength. A ratio of a diameter of a core of the optical fiber to the selected wavelength of the optical signal enables transmission of a predetermined number of orbital angular momentum modes over the optical fiber. The optical signal is modulated with at least one input data stream and an OAM signal is applied to the modulated optical signal to generate the OAM data signal. The OAM data signal is transmitted over the optical fiber using a fiber launcher. A received OAM data signal is processed to extract the at least one input data stream.
Cable communication systems and methods employing 256-QAM upstream channels and having increased upstream capacity for supporting voice and/or data services
Cable communication systems and methods to provide voice and/or data services to subscriber premises via a cable plant that conveys upstream information over an upstream path bandwidth, and a cable modem system including one or more demodulation tuners to receive and demodulate one or more upstream radio frequency (RF) signals. An RF signal includes an encoded carrier wave having a carrier frequency of between approximately 5 MHz and 25 MHz that is modulated using quadrature amplitude modulation (QAM) with voice and/or data information constituting at least some of the upstream information. A modulation order of the QAM for the first upstream RF signal is at least 32 and as high as at least 256, and at least one demodulation tuner of the cable modem system is configured to receive and demodulate the first upstream RF signal.
Access node farm for end-to-end beamforming
Methods and systems are described for providing end-to-end beamforming. For example, end-to-end beamforming systems include end-to-end relays and ground networks to provide communications to user terminals located in user beam coverage areas. The ground segment can include geographically distributed access nodes and a central processing system. Return uplink signals, transmitted from the user terminals, have multipath induced by a plurality of receive/transmit signal paths in the end to end relay and are relayed to the ground network. The ground network, using beamformers, recovers user data streams transmitted by the user terminals from return downlink signals. The ground network, using beamformers generates forward uplink signals from appropriately weighted combinations of user data streams that, after relay by the end-end-end relay, produce forward downlink signals that combine to form user beams.
System and method for allocating resources within a communication network
A communication network may include a satellite configured to provide a plurality of satellite cells within a satellite coverage area, and one or more unmanned aerial vehicles (UAVs) configured to fly within the satellite coverage area. Each UAV is configured to fly over one of the satellite cells. A resource allocation system may be configured to dynamically allocate at least a portion of a frequency spectrum between the satellite and the UAV(s). Each UAV provides a plurality of UAV cells within a satellite cell in response to the resource allocation system allocating the frequency spectrum (or portion thereof) to the UAV(s).
Real-time sessions quality-of-service over reservation-based access
A collection of methods, which when combined together provide suitable bandwidth resources for real-time content exchange over a satellite-based network, wherein the network employs a reservation-based access scheme, such as but not limited to DVB-RCS. Furthermore, the methods provide suitable bandwidth wherein transmission conditions deteriorate while real-time content is being exchanged and the already allocated resources can no longer be used.
System and method for air-to-ground single frequency networking
A system and related method for minimizing co-channel interference in air-to-ground single-frequency networking includes aircraft-based directional and omnidirectional antenna arrays for transmitting to single frequency networks (SFN) (e.g., LTE, HSPA) and their cell sites. The directional array may encompass several cell sites to take advantage of C-RAN architectures. The system may default to the directional array to establish or re-establish network access, identifying accessible networks and sites and monitoring corresponding synchronization cell counts. The system may minimize co-channel interference with terrestrial network users by switching to the directional array if the count of accessible cell sites or networks becomes high enough, or due to additional factors (e.g., climbing above a threshold altitude). Similarly, the system may switch to the omnidirectional array if the cell count drops below a threshold level.
Concurrent communications via wavefront multiplexing and aerial vehicles
A communications system comprises a ground hub in a background area, aerial vehicles flying in a formation with slowly varying spacing between the aerial vehicles, and a user terminal in a region within a foreground area. The foreground area is spatially separate from the background area. The ground hub comprises a ground-based beam forming facility (GBBF) for receiving and transforming input signals into beam-formed signals, and a first antenna system coupled to the GBBF for transmitting concurrently the beam-formed signals in a first frequency band to respective aerial vehicles via respective background links. The aerial vehicles receive respectively the beam-formed signals via the background links and transmit respectively the beam-formed signals as respective signal beams covering at least the region within the foreground area in a second frequency band. The user terminal comprises a second antenna system for receiving concurrently the signal beams via foreground links to the aerial vehicles.
Path detection method and device, and sphere decoding detection device
The disclosure discloses a path detection method including after obtaining an equalizing signal of a received signal, Maximum Likelihood (ML) path detection and ML complementary set path detection are performed on the equalizing signal according to the pre-set maximum number of reserved nodes and maximum number of expanded branches of each layer; in the process of the detections, an accumulated path measurement value is calculated after finishing the search of each layer and each path, and the accumulated path measurement value is compared with a pre-set search measurement threshold; when the accumulated path measurement value is less than the search measurement threshold, the search of this path is continued; otherwise the search of this path is finished and the search of the next path is started until all the paths are searched. The disclosure also discloses a path detection device, Sphere Decoding (SD) detection device and computer storage medium.
MIMO (multiple-input, multiple-output) inter-stream interference cancellation
Apparatuses, methods, and systems for MIMO inter-stream interference cancellation are disclosed. One method includes determining a channel matrix between a plurality of transmitting antennas of a transmitter and a plurality of receiving antennas of a receiver, determining a plurality of channel propagation delays based on a propagation delay between each of the plurality of transmitting antennas and each of the plurality of receiving antennas, preprocessing, by the transmitter, streams of symbols for each transmitting antenna for transmission based on the plurality of channel propagation delays and based on the channel matrix, and transmitting, by the transmitter, the preprocessed symbol streams through the plurality of transmitting antennas.
Antenna sub-array beam modulation
Methods for transmitting over a wireless channel from a plurality of transmit chains are provided, as well as apparatuses for performing the methods. Each transmit chain has a variable gain power amplifier coupled to an antenna element. A subset of at least two transmit chains is selected from the plurality of transmit chains. A gain of at least one of the variable gain power amplifiers is set in accordance with the modulation scheme. Respective beams are transmitted with each transmit chain in the subset. Each respective beam represents a component of a modulated signal according to a modulation scheme, so that the beams combine over the wireless channel to form the modulated signal.
Method and system for millimeter wave hotspot (mmH) backhaul and physical (PHY) layer transmissions
A method and apparatus are disclosed for communication in a Millimeter Wave Hotspot (mmH) backhaul system which uses mesh nodes. A mmH mesh node may receive a control signal which includes a total number of available control slots. The mesh node may determine the number of iterations of a resource scheduling mechanism that can be made during the time period of all available control slots, based on the number of neighbor nodes for the mesh node. Further, the mesh node may receive control slot information, including information about traffic queues and priorities. The mesh node may then perform resource scheduling using the resource scheduling mechanism based on the currently received control slot information and control slot information received in previous iterations of resource scheduling. The mesh node may also adjust a preamble based on a time between a last packet transmission and a current packet transmission to a neighboring node.
Power line communication methods and devices
A power line communication method for realizing data communication between at least one first or sending power line communication partner device and at least one second or receiving power line communication partner device. The method checks transmission conditions of a plurality of possible communication channels, thereby generating transmission condition data descriptive for the communication conditions of the respective possible communication channels. Additionally, communication conditions of the plurality of possible communication channels are selected as actual communication conditions based on the transmission condition data.
Frequency hopping pattern and method for transmitting uplink signals using the same
A method for performing uplink transmission in a time domain transmission unit includes receiving, from a base station, hopping-mode information indicating whether a frequency hopping is an inter-slot hopping or an inter-subframe hopping and performing the uplink transmission using a resource block in the time domain transmission unit.
Surface-mount technology devices and related methods
Surface-mount technology (SMT) devices and related methods. In some embodiments, an SMT device can include an electrical element and a plurality of terminals connected to the electrical element. The SMT device can further include a body configured to support the electrical element and the plurality of terminals. The body can have a rectangular cuboid shape with a length, a width, and a height that is greater than the width. The body can include a base plane configured to allow surface mounting of the SMT device. In some embodiments, the SMT device can be, for example, a capacitor, an inductor, or a resistor.
Mobile computing device holder
Described is a mobile computing device holder that mounts to a piece of furniture, specifically to the corner of a piece of furniture. The mobile computing device holder holds a mobile computing device base, such as a docking station or charger, and a mobile computing device. The mobile computing device holder includes a corner mount fixture that mounts to a corner of a piece of furniture and holds the mobile computing device base such that the mobile computing device is cradled in the mobile computing device base. The mobile computing device holder also includes a tether device that tethers the mobile computing device to the mobile computing device base so the mobile computing device can be used, but cannot be moved more than the length of the tethering device from the corner mount fixture.
Method and system for crest factor reduction
Methods and systems for crest factor reduction may comprise generating an original waveform, generating a distortion signal by reducing a crest factor of the original waveform, generating an error signal by subtracting out the original waveform from the distortion signal, and generating a conditioned waveform by adding the error signal to the original waveform. The crest factor of the original waveform may be reduced based on spectral mask requirements. The crest factor of the original waveform may be reduced using a limiter. The power amplifier may comprise a programmable gain amplifier (PGA). The distortion signal may be generated based on a PGA model and/or a predistortion model. A signal from an output of the PA may be fed back to the PGA model. The PGA model may be dynamically configured. The crest factor of the original waveform may be reduced in an analog domain and/or a digital domain.
Systems and methods for facilitating predictive noise mitigation
Systems and method are provided to facilitate predictive mitigation of noise. A vehicle may measure noise floor levels and transmit a noise floor signal to a noise signal aggregator. Based on the noise signal, the noise signal aggregator may update a noise floor map database. The noise floor map database may associate a plurality of geographic locations with noise floor levels for a plurality of cycle segments. Accordingly, the noise signal aggregator may update a noise floor level in the noise floor map database that corresponds to the location and time associated with the transmitted noise signal. The noise floor map database may then be queried to retrieve noise floor levels for locations further along a route traversed by a vehicle such that the vehicle may predictively tune one or more antennas to mitigate interference associated with the noise floor.
Adaptive system for transmitting and combining radio frequency signals
A system for transmitting (IMP) and combining radio frequency signals, comprising one or more RF input signals transmitters (IN), which employ a respective controlled amplifier (AC) and sends a respective RF output signal; the RF output signals are combined into a combiner device (C), which includes at least one combiner (CP), for example a passive combiner, and from here sent to at least an antenna connector (CA). Furthermore, both the combiner device (C) and the transmitters are equipped with electronic circuits (UL, LC), allowing the combiner device (C) and the transmitters communicating with each other using only one connecting device (CC), which transmits the power signal and RF signal to be transmitted.
Electronic device with millimeter wave antennas
An electronic device may be provided with wireless circuitry. The wireless circuitry may include one or more antennas. The antennas may include phased antenna arrays each of which includes multiple antenna elements. Phased antenna arrays may be mounted along edges of a housing for the electronic device, behind a dielectric window such as a dielectric logo window in the housing, in alignment with dielectric housing portions at corners of the housing, or elsewhere in the electronic device. A phased antenna array may include arrays of patch antenna elements on dielectric layers separated by a ground layer. A baseband processor may distribute wireless signals to the phased antenna arrays at intermediate frequencies over intermediate frequency signal paths. Transceiver circuits at the phased antenna arrays may include upconverters and downconverters coupled to the intermediate frequency signal paths.
Apparatuses and methods for erasure-assisted ECC decoding
One example of erasure-assisted error correction code (ECC) decoding can include reading a codeword with a first trim level, reading the codeword with a second trim level, and reading the codeword with a third trim level. A first result from reading the codeword with the first trim level, a second result from reading the codeword with the second trim level, and a third result from reading the codeword with the third trim level can be accumulated. An erasure of a detected unit sequence can be computed. The detected unit sequence can be modified by changing a unit in a position of the detected unit sequence corresponding to a position of the erasure. The modified detected unit sequence can be ECC decoded.
High speed turbo decoder
A method for decoding a received code using a device that includes: an antenna for receiving a signal over a wireless channel, and instances of a Maximum-A-Posteriori (MAP) turbo decoder for decoding a segment of the received code, are disclosed. For example, the method, by forward and backward gamma engines, for each window, concurrently computes gamma branch metrics in forward and backward directions, respectively, by forward and backward state metric engines comprising respective lambda engines and coupled to the respective gamma engines, for each window, sequentially computes forward and backward state metrics, respectively, based on respective gamma branch metrics and respective initial values, by the lambda engines, determines Log Likelihood Ratios (LLRs) and soft decisions, and by a post-processor, computes extrinsic data based on the forward and backward state metrics for any subsequent iteration as at least a portion of the a-priori information and otherwise provides a decoded segment.
Storage control apparatus and non-transitory computer-readable storage medium storing computer program
A storage control apparatus obtains first-code attached data, each having target data to be written and first code information, which includes an error detection code based on the target data and information about a first write destination, attached to the target data. The storage control apparatus then obtains the target data by excluding the first code information from the first-code attached data eliminates duplication of the target data, generates second code information which includes an error detection code for the target data remaining and information about a second write destination, and writes second-code attached data including the second code information into a memory device.
Method and apparatus for adaptive data compression
Adaptively compressing an input string (10) comprising a sequence of symbols in order to create a plurality of segment dictionaries Dm, with the steps of: generating a lookup map (110); generating a key value segment Sm,n; searching the lookup map for each symbol received in the input string (120, 130); upon detecting a symbol is not stored in the lookup map, adding the symbol by storing the symbol at a next sequential key index in the lookup map lookup map (135) and assigning a next sequential key value entry to the symbol and adding this key value to the key value segment Sm,n (150); upon detecting the symbol is stored in the lookup map, adding the corresponding key value assigned to this symbol to the next sequential entry of the key value segment Sm,n (150); wherein a new key value segment Sm,n+1 of the lookup map is generated if the number of different symbols equals the number of available key values k=2n for the opened/current key value segment Sm,n (141, 142), and where-in the lookup map is converted into a segment dictionary Dm if the maximal key value size knmax=2nmax is reached (132, 133, 134), with n being any positive integral number 1 to nmax, nmax denoting the maximal bit size, and m being any positive integral number denoting the consecutive numbering of segment dictionaries Dm.
Adaptive lossless compression in analog mixed signal environments
A method including separating multiple signal waveforms into multiple blocks forming a sequence is provided. Each of the blocks includes at least a portion of each of the multiple signal waveforms. The method includes identifying a shared time portion and a shared signal portion for the signal waveforms within a first block from the multiple blocks and selecting a format for the first block based on a block size of the first block and a block read time of the first block. The method also includes compressing data in the first block based on the shared time portion, the shared signal portion, a preceding block and a subsequent block in the sequence, and storing the first block in a memory based on the format selected for the first block.
Low bit rate signal coder and decoder
An improved mixed oscillator-and-external excitation model and methods for estimating the model parameters, for evaluating model quality, and for combining it with known in the art methods are disclosed. The improvement over existing oscillators allows the model to receive, as an input, all except the most recent point in the acquired data. Model stability is achieved through a process which includes restoring unavailable to the decoder data from the optimal model parameters and by using metrics to select a stable restored model output. The present invention is effective for very low bit-rate coding/compression and decoding/decompression of digital signals, including digitized speech, audio, and image data, and for analysis, detection, and classification of signals. Operations can be performed in real time, and parameterization can be achieved at a user-specified level of compression.
Input path matching in pipelined continuous-time analog-to-digital converters
System and methods for input path matching in pipelined continuous-time Analog-to Digital Converters (ADCs), including pipelined Continuous-Time Delta Sigma Modulator (CTDSM) based ADCs, includes an input delay circuit disposed in a continuous-time input path from an input of an analog input signal to a first summing circuit of the continuous-time ADC. At least one digital delay line is disposed between an output of an earlier stage sub-ADC (of a plurality of pipelined sub-ADCs) and a sub-digital-to-analog converter (DAC) that is coupled to the first summing circuit, and between the earlier stage sub-ADC and a digital noise cancellation filter. The digital delay line(s) is configured to enable calibration of delay of output of the earlier stage sub-ADC provided to the sub-DAC and the digital noise cancellation filter in accordance with process variations of the input delay match circuit to minimize residue output at first summing circuit.
Analogue-digital converter of non-binary capacitor array with redundant bit and its chip
An analog-to-digital converter of non-binary capacitor array with redundancy bits and its chip. The non-binary capacitor array with redundancy bits comprises a common-mode voltage, analog signal input, no less than one redundancy bit capacitor and multiple capacitors; each capacitor of capacitors with redundancy bits and multiple capacitors is connected in parallel between common-mode voltage and analog signal input and marked in a sequence from highest to lowest/lowest to highest bit; the sum of the capacitance of capacitors from the lowest bit capacitor to an random capacitor must be no less than the capacitance of the higher bit capacitor adjacent to the random capacitor. The ratio of the capacitance of each capacitor to the capacitance of unit capacitor is set to be positive. The capacitor array is applied into an analog-to-digital converter or fabricated as a chip.
Control system and method for a configurable analog to digital converter
A control system for an analog to digital converter (ADC) including a programmable configuration memory, a trigger selector, an input selector, and a conversion controller. The ADC is configurable for adjusting multiple operating parameters including speed and accuracy. The programmable configuration memory stores at least one configuration variable and an input value. The trigger selector enables at least one trigger input. The input selector selects from among multiple analog inputs according to the programmed input value. The conversion controller configures the ADC using the configuration variable, interfaces the input selector to provide an analog input to the ADC, and interfaces the trigger selector to prompt the ADC to perform a conversion process to provide a digital output sample in response to the enabled trigger input. Multiple entries may be stored, each selecting different analog inputs and corresponding configuration variables, in which the conversion controller dynamically reconfigures the ADC between conversions.
Low power analog-to-digital converter
A single slope analog to digital converter includes a comparator having a positive input and a negative input and a comparator output, a counter and a latch connected to an output of the counter and that includes a trigger input. Also included is a pulse generator coupled to the comparator output that produces a pulse of a defined width each time a signal on the negative input transitions from a voltage level that is below a voltage level on the positive input to a voltage level that is above the voltage level on the positive input.
Circuit device, oscillator, electronic apparatus, and vehicle
A circuit device includes an oscillation signal generation circuit, a reference signal input terminal to which a reference signal is input, and an internal phase comparator that performs phase comparison between an input signal based on the oscillation signal and the reference signal. The oscillation signal generation circuit generates the oscillation signal using the frequency control data based on a result of the phase comparison from an external phase comparator which performs phase comparison between an input signal based on the oscillation signal and the reference signal in a first mode, and generates the oscillation signal using the frequency control data based on a result of the phase comparison from the internal phase comparator in a second mode.
Method and security module for receiving two signals
A method for producing an output bit stream for a first signal of a first carrier frequency by a security module involves the security module receiving an input signal comprising the first signal and a second signal of a second carrier frequency. A mixed signal is formed which has the first signal at the first carrier frequency, the second signal at the second carrier frequency, and a mixed product at an intermediate frequency. The mixed product is demodulated by a second nonlinear component to output a second baseband signal for generating a second bit stream relating to the first signal in the mixed product. The output logic produces the output bit stream for the first signal, and selects either the first bit stream or the second bit stream as the output bit stream for the first signal.
Digital phase locked loop for low jitter applications
A phase locked loop circuit is disclosed. The phase locked loop circuit includes a ring oscillator. The phase locked loop circuit also includes a digital path including a digital phase detector. The phase locked loop circuit further includes an analog path including a linear phase detector. Additionally, the phase locked loop circuit includes a feedback path connecting an output of the ring oscillator to an input of the digital path and an input of the analog path. The digital path and the analog path are parallel paths. The digital path provides a digital tuning signal the ring oscillator that digitally controls a frequency of the ring oscillator. The analog path provides an analog tuning signal the ring oscillator that continuously controls the frequency of the ring oscillator.
Frequency divider circuit
According to one embodiment, a frequency divider circuit includes a 1st flip-flop including a 1st terminal to which a clock signal is input, and including a 2nd terminal to which a 1st signal is input; a 2nd flip-flop including a 1st terminal to which the clock signal is input, and including a 2nd terminal to which a 2nd signal is input, the 2nd signal being output from the 1st flip-flop; a 3rd flip-flop including a 1st terminal to which the clock signal is input, and including a 2nd terminal to which a 3rd signal is input, the 3rd signal being output from the 2nd flip-flop; and an exclusive OR gate including a 1st terminal to which the 4th signal is input, and including a 2nd terminal to which a 5th signal is input, the 5th signal being output from the 2nd flip-flop.
Plurality voter circuit
A plurality voter circuit is disclosed. The plurality voter circuit includes an input array, an output, a control unit, a priority unit and a bypass unit. The output includes an element of the input array with the highest plurality in the input array, which is an output of the bypass unit. The input array is loaded into the control unit and the bypass unit. In addition, the control unit, the priority unit and the bypass unit are electrically connected.
RQL majority gates, and gates, and or gates
An reciprocal quantum logic (RQL) gate circuit has an input stage having logical inputs asserted based on receiving positive single flux quantum (SFQ) pulses and an amplifying output stage comprising a JTL to deliver an output signal. The input stage includes two or more storage loops, at least two being associated each with a logical input, each comprising an input Josephson junction (JJ), a storage inductor, and a logical decision JJ, the logical decision JJ being common to all the storage loops associated with the logical inputs and being configured to trigger based on biasing provided by one or more currents stored in the storage loops and a bias signal provided to the circuit. The output stage asserts an output based on the triggering of the logical decision JJ.
Configurable computing array
The present invention discloses a configurable computing array. It comprises an array of configurable computing elements and an array of configurable logic elements. Each configurable computing element comprises at least a writable-memory array, which stores at least a portion of a look-up table (LUT) for a math function.
Semiconductor structure and operation method of the same
A semiconductor structure includes a first heavily doped region, a first well, a second well and a second heavily doped region disposed sequentially. The first well and the second heavily doped region have a first conductive type. The second well and the first heavily doped region have a second conductive type. The semiconductor structure further includes at least one switch, such that at least one of conditions (A) and (B) is satisfied. (A) The switch is coupled between the first well and the first node such that the first well is controlled by the switch and floated under an ESD protection mode. (B) The switch is coupled between the second well and the second node such that the second well is controlled by the switch and floated under an ESD protection mode.
Driver interface methods and apparatus for switch-mode power converters, switch-mode power amplifiers, and other switch-based circuits
A driver interface for a switch-based circuit includes an AC coupling capacitor, a first diode or a first series of diodes, and a second diode or a second series of diodes connected in series with the first diode or first series of diodes but with an opposing polarity. The AC coupling capacitor removes a DC voltage from an input bi-level drive signal that does not have the appropriate high and low drive levels needed to switch a FET in the switch-based circuit between fully ON and fully OFF states. The first diode or first series of diodes and the second diode or second series of diodes clamp the resulting AC-coupled drive signal to produce an output bi-level drive signal having the high and low drive levels needed to switch the FET between fully ON and fully OFF states. The driver interface maintains the high and low drive levels of the output bi-level drive signal irrespective of any changes made to the duty cycle or pulse density of the input bi-level drive signal.
Driver circuit, corresponding integrated circuit and device
A circuit provides a high-voltage low-drop diode-like conductive path between a DC voltage supply terminal and a bootstrap terminal in charging a supply capacitor for driving a power switch with the capacitor set between the bootstrap terminal and an output terminal alternatively switchable between a low voltage and a high voltage DC voltage. In an embodiment, the circuit includes first and second transistors such as LDMOS depletion transistors with the first transistor set in a cascode arrangement between the bootstrap terminal and the DC voltage supply terminal and the second transistor coupled with a sense comparator for comparing the voltage at the bootstrap terminal with the voltage at said DC voltage supply terminal. The first and second transistors have common control terminals coupled with the DC voltage supply terminal and common coupling terminals to the bootstrap terminal.
Electronic switching and reverse polarity protection circuit
An electronic circuit includes a first transistor device and a second transistor device of the same conductivity type. The first transistor device is integrated in a first semiconductor body and includes a first load pad at a first surface of the first semiconductor body and a second load pad at a second surface of the first semiconductor body. The second transistor device is integrated in a second semiconductor body and includes a first load pad at a first surface of the second semiconductor body, and a second load pad at a second surface. The first load pad of the second transistor device is mounted to the first load pad of the first transistor device and the second load pad of the first transistor device is mounted to an electrically conducting carrier.
Systems and methods for a robust double node upset tolerant latch
Disclosed are a latch circuit and method for preventing double node upsets (DNUs). A first, second, and third storage circuit, each comprising four inputs and an output, are electrically interconnected with a first and second three-input c-element circuit, each comprising three inputs and an output, and a two-input c-element circuit comprising two inputs and an output. The output of the first storage circuit is connected to a first input of the first three-input c-element circuit, a first input of the third storage circuit and a third input of the second storage circuit. The output of the second storage circuit is connected to a second input of the first three-input c-element circuit, a first input of the two-input c-element circuit, and a second input of the second three-input c-element circuit. The output of the third storage circuit is connected to a second input of the two-input c-element circuit, a third input of the first three-input c-element circuit and a third input of the second three-input c-element circuit.
Relative timed clock gating cell
Technology is described for a relative timed clock gated cell. In one example, the relative timed clock gated cell includes a trigger latch and a data clock latch. The trigger latch includes a clock input coupled to a trigger line for transmitting a trigger signal. The trigger latch is configured to generate a data clock signal on an output. The trigger signal is based on a clock signal. The data clock latch includes a clock input coupled to the output of the trigger latch that latches a data input of the data clock latch based on the data clock signal. Various other computing circuitries and methods are also disclosed.
A ladder filter includes a series arm resonator and parallel arm resonators including a first parallel arm resonator defining a pass band together with the series arm resonator, and a second parallel arm resonator. Each of dimensions, in an overlap width direction, of gap regions between the overlap width region and first and second busbars in the second parallel arm resonator is larger than a dimension, in the overlap width direction, of a gap region in the first parallel arm resonator. A resonant frequency of the second parallel arm resonator is in a frequency range of not lower than a resonant frequency of the series arm resonator.
Elastic wave resonator, band pass filter, and duplexer
An elastic wave resonator includes a first, second and third reflectors. The first reflector is between a portion including a first IDT electrode and a third IDT electrode and a portion including a second IDT electrode and a fourth IDT electrode and is shared by the first to fourth IDT electrodes. The second reflector is shared by the first and third IDT electrodes. The third reflector is shared by the second and fourth IDT electrodes. The first and third IDT electrodes share a first common busbar. The second and fourth IDT electrodes share a second common busbar. The first and second common busbars are connected to the first reflector. A first busbar, a second busbar, a third busbar, and a fourth busbar of the respective first to fourth IDT electrodes are electrically connected to each other.
Apparatus, systems, and methods of acoustic energy confinement with phononic crystals
An acoustic resonator includes a wafer and a first phononic crystal disposed on the wafer to define an acoustic waveguide so as to propagate an acoustic wave along a propagation direction. The first phononic crystal includes a first two-dimensional (2D) array of metal stripes having a first period on the propagation direction. The apparatus also includes a second phononic crystal and a third phononic crystal disposed on two sides of the first phononic crystal and having a different period from the first period. The second phononic crystal and the wafer define a first reflector to reflect the acoustic wave. The third phononic crystal and the wafer define a second reflector to reflect the acoustic wave.
Device and a method for adjusting electrical impedance based on contact action
A device and associated method for adjusting electrical impedance based on contact action are disclosed. The device includes a drive unit (1), a contact unit (2), a monitoring unit (3), and a control unit (4). The monitoring unit (3) measures an impedance signal of an electromagnetic functional material (7) in an alternating-current circuit, and transfers the impedance signal to the control unit (4). In response to the impedance signal measured by the monitoring unit (3), the control unit (4) controls the drive unit (1) to apply a mechanical load on the contact unit (2), which causes the contact unit (2) to contact the electromagnetic functional material (7). The value of a contact load is adjusted, so as to adjust the electrical impedance of the electromagnetic functional material (7), thereby achieving the objective of adjusting the impedance matching in the alternating-current circuit in real time.
An amplifier of an embodiment includes: a plurality of input transistors of a plurality of differential pairs; a plurality of first resistance circuits mutually connecting respective sources of the input transistors corresponding to the differential pairs and mutually connecting the respective sources and reference potential points; a plurality of second resistance circuits being connected between the respective sources of the plurality of input transistors and the reference potential points, respectively; and a control circuit configured to generate a control signal controlling whether or not to electrically connect the plurality of first resistance circuits and the plurality of second resistance circuits to the respective sources of the input transistors.
Power amplifier module
A power amplifier module includes a first amplifier that amplifies an input signal to generate a first amplified signal and outputs the first amplified signal, a second amplifier that amplifies the first amplified signal to generate a second amplified signal and outputs the second amplified signal, and a matching network disposed between an output terminal of the first amplifier and an input terminal of the second amplifier. The first amplifier is provided on a first chip, and the second amplifier is provided on a second chip. The matching network has an impedance transformation characteristic adjustable in accordance with a control signal.
Apparatus and methods for overload protection of low noise amplifiers
Apparatus and methods for overload protection of low noise amplifiers (LNAs) are provided herein. In certain configurations, an LNA system includes an input switch having an analog control input that controls an impedance of the input switch, an LNA that amplifies a radio frequency (RF) input signal received from the input switch, and an overload protection circuit that provides feedback to the input switch's analog control input based on detecting a signal level of the LNA. The overload protection circuit detects whether or not the LNA is overloaded. Additionally, when the overload protection circuit detects an overload condition, the overload protection circuit provides feedback to the analog control input of the switch to increase the impedance of the switch and reduce the magnitude of the RF input signal received by the LNA.
Doherty power amplifier and transmitter
A Doherty power amplifier (100) includes: a first amplification circuit (110), including a main power amplification branch and at least one auxiliary power amplification branch; a delay device (383), connected in the main power amplification branch; a combiner network (140), configured to: perform impedance inversion on the first amplification circuit (110), and couple an output end of the main power amplification branch and an output end of the at least one auxiliary power amplification branch to a load (160); and a first power divider (130), connected to an input end of the main power amplification branch and an input end of the at least one auxiliary power amplification branch, and configured to allocate an input signal of the first power divider (130) to the main power amplification branch and the at least one auxiliary power amplification branch.
Circuits and techniques for voltage monitoring of a solid-state isolator
An isolation switch driver includes a control circuit to control conduction of an isolation switch and a voltage monitor circuit to monitor a control voltage coupled to the isolation switch and to generate a fault indication if the control voltage is less than a predetermined threshold. The isolator driver can drive an isolation switch coupled between a bridge network and a motor in a motor control system. The monitor circuit can monitor a voltage between a gate terminal and a source terminal of the isolation switch and include a resistive element coupled between the gate terminal and the source terminal to generate a current proportional to the VGS voltage, a current mirror to shift a level of the current to a reference potential, and a comparator to compare the level-shifted current to a threshold current.
Microstepper motor control circuit PWM output coupled to H-bridge gates
A stepper motor control system includes stepper motor error reduction. For example, first and second power switches respectively energize and de-energize a stepper motor coil during each cycle for pulse-width modulating (PWM) the coil current. During a cycle including a zero crossing microstep, a calibrator detects a type of a body diode effect that occurs in the second power switch when the second switch stops de-energization of the coil. A selected offset is adjusted in response to the type of detection of the body diode effect of the second power switch. Adjusting the selected offset controls the trigger time for a comparator for comparing an offset reference voltage to a motor voltage developed in response to the coil current. Progressively adjusting the selected offset over successive cycles compensates for delays of components in the PWM control loop and reduces errors resulting from, for example, process, voltage, and temperature variations.
Motor driving device and motor system
The phase of a drive current of a motor is optimized. The phase arithmetic unit PHCAL calculates a drive voltage phase θdrv to converge the phase difference between the reference voltage phase θbemf and the reference current phase θi to zero based on a prescribed arithmetic expression. The phase correction unit PHCP determines the phase θdrvR after the correction by adding a correction value to the phase θdrv, and the magnitude of the correction value is updated by a feedback control so as to converge to a prescribed value the phase difference between the reference voltage phase θbemf and the reference current phase θi which are inputted. A PWM controller shifts an energization control timing synchronized with the reference voltage phase θbemf based on the corrected phase θdrvR, and generates the PWM signal for controlling the drive voltage to a sine wave shape.
Motor driver with multipurpose pin
In an embodiment, a motor driver comprises a multipurpose pin operable to couple the motor driver to a controller and judgment logic coupled to the multipurpose pin. The motor driver is operable to receive an input signal via the multipurpose pin and may be operable in a normal operation mode or a setting operation mode. The judgment logic may be operable to detect whether a prescribed pattern is present in the input signal, wherein the prescribed pattern indicates one of the normal operation mode or the setting operation mode, control at least a portion of the motor driver to operate in the setting operation mode when the prescribed pattern is detected in the input signal, and control at least the portion of the motor driver to operate in the normal operation mode when the prescribed pattern is not detected in the input signal.
Complex electric fields and static electric fields to effect motion with conduction currents
In an example, a method includes interacting electric fields from charges in conductors in different inertial reference frames to effect motion. The example method implements the mathematical framework that divides electric fields from charges in different inertial reference frames into separate electric field equations in electrically isolated conductors. The example method may implement the interaction of these electric fields to produce a force on an assembly that can, by way of illustration, propel a spacecraft using electricity without other propellant(s).
Control apparatus for capacitive electromechanical transducer, and method of controlling the capacitive electromechanical transducer
Provided is a control apparatus and control method for a capacitive electromechanical transducer with small decrease in transmission/reception efficiency, and with sets of transmission/reception characteristics with different frequency ranges. The apparatus has cells each including first and second electrodes facing each other via a gap; includes a driving/detecting unit and an external stress applying unit. The driving/detecting unit performs at least one of causing the second electrode to vibrate and transmit elastic waves by generating an AC electrostatic attractive force between the electrodes, and detecting a change of capacitance between the electrodes, the change being caused by the second electrode vibrating upon receipt of elastic waves. The external stress applying unit changes the external stress applied to the second electrode. The driving/detecting unit adjusts frequency characteristics by changing a parameter defining the frequency domain used in a transmitting/receiving operation, corresponding to the change of the external stress.
Cascade converter system and method of putting converter module of the same into operation
A method of putting a converter module of a cascade converter system into operation, wherein the cascade converter system includes: n converter modules; n bypass switch modules; and a system controller, wherein the method includes: a module pre-plug-in step: m bypass switch modules of the n bypass switch modules being in a non-bypass state, and remaining n-m bypass switch modules being in a bypass state, the system controller communicating with the module controllers of the m converter modules, such that the m converter modules operate according to a first control signal, wherein 1≤m
Inverter, method and device for controlling the same
An inverter, a method and a device for controlling the inverter are provided, to improve efficiency of the inverter. The inverter includes a three-level active clamped topology including a first and second bus capacitors and an inverter circuit, the inverter circuit includes a first switch transistor to a sixth switch transistor. The inverter further includes a seventh switch transistor and an eighth switch transistor; the seventh switch transistor and the eighth switch transistor are connected in series between the positive direct current bus and the negative direct current bus in a same direction, and a serial point of the seventh switch transistor and the eighth switch transistor is connected to a serial point of the second switch transistor and the third switch transistor; and the seventh switch transistor and the eighth switch transistor are anti-parallel connected to corresponding diodes respectively.
Method for driving a resonant converter, and corresponding device and computer program product
A resonant converter includes a primary switching circuit including a primary winding and upper and lower switching half-bridge circuits alternately activated during switching cycles of the resonant converter responsive to switching control signals. The switching half-bridge circuits each include a phase node to drive the primary winding. A resonance inductor is coupled to the primary winding. A secondary resonant circuit has a secondary winding magnetically coupled to the primary winding and a resonance capacitor electrically coupled to the secondary winding. A driving circuit generates the switching control signals and senses if a voltage on the phase node of one of the upper and lower switching half-bridge circuits is a negative voltage. The driving circuit adjusts the switching control signals for the switching half-bridge circuit to be activated next switching cycle by a shift time reduced each switching cycle until the negative voltage is less than a negligible under-voltage value.
DCR inductor current-sensing in four-switch buck-boost converters
An inductor current-sensing circuit for measuring a current in an inductor includes (a) a first RC network coupled between a first terminal of the inductor and a reference voltage source; and (b) a second RC network coupled between a second terminal of the inductor and the reference voltage source. The first RC network and the second RC network each have a time constant substantially equal to the ratio between the inductance and the DC resistance of the inductor. The inductor which current is being measured may be a primary inductor of a four-switch buck boost converter receiving an input voltage and providing an output voltage.
According to embodiments, a semiconductor device includes a first switching element in which a first reference voltage is input to a gate; a second switching element in which a first voltage is input to a gate; a third switching element to which the first switching element is in Darlington connection; a fourth switching element to which the second switching element is in Darlington connection; a first current mirror circuit to regulate currents flowing in the third and fourth switching elements; a fifth switching element switched between ON and OFF states based on a difference between the first reference and the first voltages; a constant current circuit; a second current mirror circuit; and a voltage setting resistance element between a source of the first switching element and a gate of the third switching element or between a source of the second switching element and a gate of the fourth switching element.
Error amplifying and frequency compensating circuits and methods
Methods and systems for implementing a closed loop DC-DC converter utilize a compensator to stabilize the output voltage of the DC-DC converter while improving the loop gain in the band of interest. A compensator may be implemented by an operational amplifier and a feedback circuit. The operational amplifier may be configured to receive a fraction of sensed output voltage at the non-inverting terminal and compare the sensed output voltage with the voltage received at the inverting terminal to generate an error signal which is used to determine the duty cycle of a pulse-width modulated signal.
Apparatus and method for in-situ charging of superconductors
An apparatus and method for charging a superconductor, such as a high temperature superconductor (HTS), in-situ, including a superconductor that is magnetized by a magnet. A surface area of the magnet is smaller than a surface area of the superconductor and the magnet scans the surface area of the superconductor to magnetize the superconductor one portion at a time. An additional compression superconductor may be used to compress the magnetic flux from the magnet such that the magnetic flux exits the compression superconductor via an aperture on the surface of the compression superconductor and then impinges the surface of the superconductor being charged. The superconductor is assembled in a machine prior to being magnetized and may be cooled prior to magnetization.
Stator assembly method and stator assembly apparatus
A stator assembly method in which coils that have slot housed portions and coil ends formed from a conductive wire are mounted to an annular stator core that has a plurality of teeth that extend from a back yoke toward an inner side in a radial direction and slots formed between two of the teeth.
Servomotor and control method thereof
A servomotor includes a control circuit, an electric motor, a harmonic drive and a sensor. The control circuit is connected to the electric motor and used to control the electric motor. The harmonic drive includes an outer casing, a wave generator, a flex spline and a circular spline. The wave generator is driven by the electric motor. The flex spline is sleeved on an exterior of the wave generator and located within the circular spline and engages with the circular spline. The flex spline is connected with an output member that is used to output power, and a post is arranged along a rotation axis of the output member. The sensor is arranged within the outer casing and used to detect an angular displacement of the post. A method for controlling the servomotor is also provided.
A motor includes a rotating portion with a shaft extending along a rotation axis and a rotor that rotates together with the shaft, a stationary portion with a stator located radially outside of the rotor and a magnetic sensor located above the rotor to detect a rotational position of the rotor. The rotor includes a rotor core, a rotor magnet located radially outside of the rotor core and under the magnetic sensor, in contact with the rotor core or located opposite to the rotor core with a first gap therebetween. A recessed portion is recessed from each of an upper end surface and an outer circumferential surface of the rotor core. An inner circumferential surface of a lower end portion of the rotor holder is fixed to a radially inner surface of the recessed portion.
Electric working machine
The present application discloses an electric working machine. The electric working machine includes: a motor including a rotor; a sensor board including a magnetic sensor for detecting magnetic variation due to rotation of the rotor; and a housing which contains the motor and the sensor board. in the electric working machine, the sensor board does not cover an entire circumference of the rotor. In the electric working machine, the sensor board has a portion covering the rotor, and a portion not covering the rotor.
Portable sound attenuating device and related methods
Implementations of a portable soundproofing enclosure may include: four side panels coupled together, a top panel coupled to each of the four side panels, the four side panels and the top panel, the top panel including a fan. The panels may form a cavity sized to fully enclose a portable generator. At least two of the four side panels may include an air dam. At least one of the side panels may have a plurality of louvers configured to allow air to be drawn through the panel. The bottom edges of the sides may be configured to rest on a mat.
Motor and sealing member thereof
A motor includes a housing, a stator and a rotor. The stator is received in the housing. The rotor includes a shaft and a permanent magnet. The shaft is rotatably coupled to the housing, and one end of the shaft extends out of the housing through a shaft hole. A gap is formed between the shaft and the shaft hole. The permanent magnet is coupled with the shaft and spaced from the stator. A sealing member is arranged on the housing and surrounds the shaft hole. The sealing member includes a blocking portion abutting with a predetermined part of the rotor outside the housing. The blocking portion seals the gap. As such, dustproof and damp-proof functions of the motor are improved.
Electric motor with a permanent magnet embedded rotor with curved magnets and magnet accommodation holes of varying radiuses
An interior permanent magnet motor capable of increasing an output of a motor without reducing torque by increasing demagnetization resistance. The interior permanent magnet motor includes a rotator including a rotator core, and a stator. The rotator core includes a plurality of magnet accommodating holes and a plurality of permanent magnets. The thickness in the short-side direction of each of the magnet accommodating holes is minimum at the center portion of the magnetic pole, and is gradually increased toward the radially outer side of the rotator core. At least the thickness in the short-side direction of the permanent magnet at the center portion of the magnetic pole is equal to the thickness in the short-side direction of the magnet accommodating hole at the center portion of the magnetic pole.
Rotor and motor having the same
Provided is a rotor including a first rotor body including a first protrusion protruding from an outer circumferential surface thereof and a second rotor body stacked on and coupled to the first rotor body and including a second protrusion disposed at a position different from the first protrusion with respect to a circumferential direction and protruding from an outer circumferential surface thereof, wherein a height of the first protrusion is formed to be greater than a height of the first rotor body, and a height of the second protrusion is formed to be greater than a height of the second rotor body. The rotor is formed so that coils are wound around the respective protrusions that are divided and have relatively wide winding spaces unlike a rotor integrated with protrusions around which coils are wound, thereby increasing a coil space factor and providing an effect of facilitating a winding task.
Wireless power transmission system and method
A wireless power transmission system (10) can perform power transmission in a wireless manner. The wireless power transmission system is provided with: a power transmission coil (11); a power supplying device (14) configured to supply electric power to the power transmission coil; a metal detecting device (13) configured to perform metal detection for detecting whether or not there is metal in surroundings of the power transmission coil; and a controlling device (12) configured to provide a power transmission period which is a period for the power transmission and a metal detection period which is a period for the metal detection, and to control the power supplying device to supply electric power, which is lower than electric power supplied to the power transmission coil in the power transmission period, or not to supply electric power, to the power transmission coil in the metal detection period.
Embodiments describe a wireless power receiving module to receive magnetic flux for wireless power transfer. The wireless power receiving module includes a receiver coil comprising a single length of wire wound into a plurality of turns, an electromagnetic receiver shield coupled to a first side of the receiver coil, a ferrite layer coupled to a second side of the receiver coil opposite of the first side, the ferrite layer positioned to redirect magnetic flux during the charging event to improve charging efficiency, and a thermal mitigation shield comprising a thermally conductive layer adhered to an electrically conductive layer where the electrically conductive layer is coupled to ground, and where the ferrite layer is sandwiched between the thermal mitigation shield and the receiver coil.
Wireless energy transfer for implantable devices
Wireless energy transfer apparatus include, in at least one aspect, a device resonator configured to supply power for a load by receiving wirelessly transferred power from a source resonator; a temperature sensor positioned to measure a temperature of a component of the apparatus; a tunable component coupled to the device resonator to adjust a resonant frequency of the device resonator, an effective impedance the device resonator, or both; and control circuitry configured to, in response to detecting a temperature condition using the temperature sensor, (i) tune the tunable component to adjust the resonant frequency of the device resonator, the effective impedance of the device resonator, or both, and (ii) signal the source resonator regarding the temperature condition to cause an adjustment of a resonant frequency of the source resonator, a power output of the source resonator, or both.
Power transmitter, resonance-type contactless power supply and control method therefor
The present disclosure relates to a power transmitter, a resonance-type contactless power supply and a control method. The resonance-type contactless power supply adjusts a phase difference of an inverter control signal in a current cycle in a manner the same as that in a previous cycle in a case that a power parameter in the current cycle and that in the previous cycle satisfy a predetermined relationship, and adjusts the phase difference of the inverter control signal in the current cycle in a manner opposite to that in the previous cycle in a case that the power parameter in the current cycle and that in the previous cycle don't satisfy the predetermined relationship. The power parameter represents system efficiency. Thus, a suitable input current or voltage of the transmitter-side resonant circuit is determined by scanning actually, so that the system can operate at optimal efficiency.
Resonant wireless power driver with adjustable power output
A resonant wireless power (RWP) system is provided that includes a signal generator that provides an input signal waveform. An amplifier structure amplifies signals for transmissions to a receiver that is powered from a fixed DC voltage supply. The amplifier structure is operated either using differential or single-ended amplifiers to provide two different output power levels, in burst mode to provide a range of output power levels, or using a capacitor in a matching network that is adjusted to provide a range of output power levels.
Method for controlling wireless power transmitter and wireless power receiver
A control method of a wireless power transmitter for transmitting charging power to a wireless power receiver is provided. The control method includes receiving setting information from the wireless power receiver, determining a load variation of the wireless power receiver for a set time period, and determining that the wireless power receiver is a charging target, if the load variation of the wireless power matches the received setting information.
Frequency changing encoded resonant power transfer
Systems and methods to for wireless power transfer are provided. A transmit control module generates a sequence of resonant drive frequencies for a transmit coil. The transmit control module adjusts the resonant frequency of the transmit coil according to the sequence of resonant drive frequencies. A receive control module provides payment verification to the transmit control module and receives the sequence of resonant drive frequencies from the transmit control module in return. The receive control module adjusts a resonant frequency of a receive coil according to the sequence of resonant drive frequencies to match the resonant frequency of the transmit coil. The resonant frequencies of the transmit and receive coils change at the same time to maintain coupling and efficient power transfer.
Transfer layer for wireless capacitive power
A power receiver device including: a pair of receiver electrodes (341, 342) for capacitively coupling with the pair of transmitter electrodes (321, 322) placed on one side of a surface; and a deformable transfer layer (371, 372) placed between each of the pair of the receiver electrodes and another side of the surface. A power signal generated by the power driver (110) is wirelessly transferred from the pair of transmitter electrodes (321, 322) to the pair of receiver electrodes (341, 342) to power a load (150) in the power receiver device.
Solar powered rechargeable device for use with an electronic device and method of use thereof
A solar powered device comprising a solar radiation collection portion, wherein the solar radiation collection portion includes: a solar panel to collect solar radiation, a concentrator surrounding the solar panel to concentrate the solar radiation, and a charge controller coupled to the solar panel, a base portion, a plurality of legs, and a connection portion operably connecting the solar radiation collection portion to the base portion, the connection portion including a connection member having a first end and a second end is provided. Furthermore, an associated method is also provided.
Wireless power distribution and scheduling
A wireless charger can determine a power requirement associated with operating at least a first device at a scheduled time. The wireless charger can determine a power emission level for the wireless charger based, at least in part, on the power requirement, such that the power emission level will provide sufficient wireless energy to satisfy the power requirement. The wireless charger can transmit wireless energy at the power emission level to cause the device to operate.
Systems and methods for enhancing the performance and utilization of battery systems
Various systems and methods for enhancing the performance and utilization of a battery system are described. In one method, a configuration schedule for a battery system is determined based on communications received from an external unit and the cells of the battery system are reconfigured according to the determined configuration schedule. In another method, a sequence of one or more pulses is used for energy transfer from or to at least one cell of the battery system, wherein at least one parameter of one of the sequence and the one or more pulses, is varied in a random manner. The above-noted pulse sequence may be utilized while the battery system is not supplying power to an external load.
Battery pack and charger
A battery pack includes a secondary battery, a connector that can be detachably connected to multiple different types of devices, control circuitry that controls power supply from the secondary battery and charge of the secondary battery, a detector that outputs the detected state of the secondary battery as secondary battery information, a first memory that stores the secondary battery information, a second memory that stores a recommendation table in which each of multiple conditions predetermined for the state of the secondary battery and a recommended device are associated with each other, a determiner that determines a recommended device from among the devices using the secondary battery information and recommendation table, and an informer that reports information indicating the recommended device determined by the determiner to the user.
Power pack vending apparatus, system, and method of use for charging power packs with biased locking arrangement
A power pack vending system comprises a plurality of kiosks including a magazine having a plurality of slots, and a plurality of rechargeable power packs. Each power pack has a unique identifier and is sized to be received within one slot. Each kiosk includes a computer for receiving and storing the unique identifier of each power pack received within the magazine, the specific slot the power pack is in, and current power pack information. The kiosk computer controls a charging unit for charging the power packs. The system includes a central management operation comprising a central computer and central database. The management operation communicates with each kiosk and the central database includes a database storing power pack information for every power pack and a database storing customer information. The central management operation receives, stores and processes information received from the kiosks and sends information to each of the kiosks.
Highly accurate over current fault protection for battery packs
This disclosure relates generally to the field of providing highly accurate over current fault protection in charging systems and, more particularly, to systems in which the charge over current protection (COCP) and discharge over current protection (DOCP) circuitry in electronic devices are particularly resilient to variations in field-effect transistor (FET) resistance with temperature, gate drive, and/or process shift; variations in printed circuit board (PCB) resistance; and variations in integrated circuit (IC) trip voltages. Through the use of novel circuit designs disclosed herein that effectively “bypass” the traditional “power FETs” that control the current flow to the battery pack(s) of the electronic device using a novel “sense FET” concept, the major sources of error in current sensing may be eliminated without compromising any safety features of the electronic device, thus allowing for more accurate over current fault protection systems for battery packs across a wide range of operating conditions and temperatures.
Method for opportunistically balancing charge between battery cells
Systems and methods for balancing battery cells of a battery pack are disclosed. In one example, a charge imbalance is determined while battery cells operate in a high charge resolution voltage range. The charge imbalance determined during operation in the high charge resolution voltage range may be removed when the battery cells are operated in a low charge resolution voltage range. The system and method may be particularly useful for balancing battery cells that operate in the low charge resolution voltage range for a large portion of their operating time.
Method for battery module balancing and battery management system
The disclosure relates to a method for battery module balancing of a battery, which comprises at least one battery module string, wherein the at least one battery module string has a plurality of battery modules connected in series or parallel, wherein each battery module has a single or a plurality of battery cells connected in parallel or in series and a coupling unit which is designed to switch on and off the battery module, said method comprising the steps of: determining a battery module state of at least two battery modules; switching off individual battery modules having a low battery module state, wherein the low state is defined by a defined ratio to an initial state of the battery modules or by a result of a comparison of all detected battery module states.
Tuning circuit, tuning method and resonance-type contactless power supply
The present disclosure relates to a tuning circuit, a tuning method and a resonance-type contactless power supply. The resonance-type contactless power supply has the characteristic that an inductor current has a maximum value when it operates at a resonance frequency. Sampling values of the inductor current in two successive cycles are compared with each other. A frequency of an inverter circuit is adjusted in a manner the same as that in a previous cycle in a case that the inductor current increases, and is adjusted in a manner opposite to that in the previous cycle in a case that the inductor current decreases. Thus, the resonance-type contactless power supply can be properly tuned without the need for zero-crossing detection.
Controlling field distribution of a wireless power transmitter
Exemplary embodiments are directed to an apparatus for controlling magnetic field distribution including a wireless transmit antenna configured to generate a magnetic field for wirelessly transferring power to a charge-receiving device with the wireless transmit antenna, a parasitic antenna located near the wireless transmit antenna, and a switch configured to selectively enable the parasitic antenna to modify the magnetic field in response to an antenna parameter that indicates the presence of the charge-receiving device relative to the parasitic antenna.
Power converter circuit with AC output
A power converter circuit includes output terminals configured to receive an external voltage. A series circuit with a number of converter units is connected between the output terminals of the power converter circuit. Each converter unit includes input terminals configured to be coupled to a DC power source and output terminals configured to provide an output current. At least one converter unit of the converter units includes a signal generator configured to receive a synchronization signal and to generate a continuous synchronization signal from the synchronization signal. The power converter circuit can be operated in a normal operation mode. In the normal operation mode, the at least one converter unit is configured to regulate generation of the output current such that a frequency and/or a phase of the output current are dependent on the continuous synchronization signal.
Power conversion device with an autonomous operation function
A power conversion circuit for converting DC power supplied from a DC power supply to AC power; and a power conversion control section for controlling operation of the power conversion circuit so as to generate autonomous operation power as an AC voltage source in a parallel-off state from a power grid. The power conversion control section includes: an AC voltage control section for controlling AC voltage; an AC current suppression section for limiting AC current to a predetermined current limit value or smaller; and a DC voltage shortage suppression section for, when DC voltage of the power conversion circuit reduces, in response thereto, reducing the current limit value to be given to the AC current suppression section.
Storage battery equipment
A storage battery equipment includes a converter, a system interconnection inverter, and a controller. The converter extracts direct current power from a storage battery, then converts a voltage of the direct current power and outputs the direct current power. The system interconnection inverter converts the direct current power outputted from the converter into an alternating current power. The controller controls the system interconnection inverter such that an amount of power output from the system interconnection inverter to a load matches a preset target discharge amount.
Self-powered utility delivery system
The present disclosure relates to a self-powered utility delivery system that includes an energy generator that produces electrical energy and consequently regulates a pressure of utility flowing through the self-powered utility delivery system. Additionally, the self-powered utility delivery system includes an electronic utility meter that monitors a quantity (e.g., volume) of utility that flows through the self-powered utility delivery system and toward a consumer.
A voltage generator includes a first voltage generation unit and a second voltage generation unit suitable for generating a second power supply voltage using a first power supply voltage, and being selectively driven, and a control signal generation unit suitable for activating the first voltage generation unit until the second power supply voltage reaches a specific level and activating the second voltage generation unit after the second power supply voltage reaches the specific level. The first voltage generation unit has less driving ability than the second voltage generation unit.
Over-current protection in multiphase DC-DC switching regulators
The disclosure provides an over-current protection circuit. A signal generating block in the over-current protection circuit generates one or more input voltages, a summed voltage and an average voltage in response to one or more differential voltages. A control block generates one or more control signals in response to the one or more input voltages and the average voltage. An analog control loop block generates an initiation signal in response to the summed voltage and an output voltage. A phase control logic block generates one or more PWM (pulse width modulated) signals in response to the initiation signal and the one or more control signals.
Circuit breaker having safety switching part
A circuit breaker includes a circuit breaker main body unit having a main circuit unit forming a circuit line of each phase, a current transformer part having a coil disposed in the circuit line of each phase and a pair of terminals extending from both ends of the coil and selectively connected to an external power source unit, and a safety switching part configured to connect the pair of terminals such that the pair of terminals are not opened, when the power source unit and the pair of terminals are separated.
Electronic circuit device
An electronic circuit device comprises an output part, which includes at least three phase parts and a first temperature sensor and a second temperature sensor, which output detection signals corresponding to temperatures of the output part. Each phase part includes two high-side and low-side switching elements. The first temperature sensor is located at a position between the first phase part and the second phase part. The second temperature sensor is located at a position between the second phase part and the third phase part. The electronic circuit device further comprises a control circuit part, which specifies a phase part of overheat among the phase parts based on the detection signals of the first temperature sensor and the second temperature sensor.
Upstream parallel arc fault outlet protection method
An arc fault circuit interrupter (AFCI) outlet is disclosed which detects and interrupts upstream parallel arc faults. The example AFCI outlet includes a switching element coupled between the line and neutral conductors at the outlet. The outlet also includes a voltage sensor and a current sensor. A parallel upstream arc fault is detected from a sensed voltage drop and no corresponding increase in current. On detecting the arc fault, the switching element is closed and current flows through the relatively lower resistance switching element interrupting power through the arc fault. The closed switching element results in an overcurrent condition causing an upstream conventional thermal-magnetic circuit breaker to trip.
Combiner box having motorized overcurrent protection
The disclosure relates to a combiner box including input connections for string lines from a plurality of strings of photovoltaic modules, and output connections for a pair of output lines to an inverter. The combiner box further includes a switching device by means of which the strings are connected to the inverter and which comprises output-side switching contacts and, for each of the strings or for each pair of strings connected in parallel in a fixed manner in the combiner box, at least one separate input-side switching contact, and an overcurrent protection device, which interrupts occurring overcurrents from or to each of the strings or at least from or to each of the pairs of strings connected in parallel in a fixed manner in the combiner box. The switching device includes a switching-contact drive, which is controlled in order to selectively disconnect the strings from the inverter.
An enclosure (20, 220) includes a housing (22, 222) and a sealing unit (48, 42a, 232) that mounts within a sealing unit opening (28, 230) of the housing. The sealing unit (48, 42a, 232) provides a peripheral seal between the housing (22, 222) and the sealing unit (48, 42a, 232) and provides seals around cable ports (50). The sealing unit (48, 42a, 232) can be mounted to and removed from the housing (222) through the sealing unit opening (28, 230). The base (26) lacks a permanent retention structure (55, 155a) at the outer end of the base (26) for retaining the sealing unit (48, 42a, 232) in the base (26). A cover (24) is removable from the base (26) without requiring the sealant arrangement (52, 236) to be de-pressurized. A fastening arrangement (55, 155a) releasably retains the sealing unit (48, 42a, 232) in the sealing unit opening (28, 230).
Cable transit and method for manufacturing such cable transit
A cable transit (100) is formed in one piece and comprises a frame (102) and a body formed from resilient material. The frame (102) is dimensioned to be inserted into an opening of a separating wall and has an axial extension L from a first end (104) to a second end (106). At least one through-hole (108) extends through the body in the axial extension thereof, and the cable transit is characterized in that the at least one through-hole (108) is defined by a cylindrical rim portion (110) and in that a volume (114) between the cylindrical rim portion (110) of the at least one through-hole and a frame (102) of the cable transit is recessed.
Integrated electrical outlet cover and support for voice-controlled assistants, speakers, and other electronic devices
An integrated electrical outlet cover and device support is provided, comprising a frame mountable to an electrical outlet box around an electrical outlet and a device support affixed to one edge of the frame. The device support comprises a circular base having a front surface co-planar with a front surface of the frame and a sidewall extending outward from a perimeter of the front surface of the base. A device, such as a voice-controlled assistant, speaker, or other electronic device, is retainable within the support and may be plugged into a USB port in the electrical outlet. In various configurations, the unit may be retain such voice-controlled assistants as an Amazon Echo Dot or a Google Home Mini, among others.
Electric noise reduction device with retainer
In a retainer member for retaining a noise reduction member, a retaining portion for retention of a noise reduction member wound with a cable is provided with a claw for locking the cable wound on the noise reduction member.
Method and apparatus for producing a polarized resin film
An object of the present invention is to provide a polarized vinylidene fluoride/tetrafluoroethylene copolymer resin film that can significantly reduce, when used as an optical film, the deterioration of the quality of video or still images formed by display elements.The present invention provides a polarized vinylidene fluoride/tetrafluoroethylene copolymer resin film having 2,000 or fewer spot defects per m2, the number of spot defects being measured by a defect measurement method; the method using an surface inspection system in which a CCD camera is placed so as to detect defects at an angle of 45 degrees relative to an LED source, defects of the film are read within a rectangular range of 300 mm in a width direction (the direction perpendicular to the scanning direction), and 150 mm in a machine direction (the scanning direction), while the film is scanned under the camera at a rate of 20 m/min; wherein first, defects having a bright area of 1.5 mm2 or less and a dark area of 1.4 mm2 or less are selected; and next, in order to remove defects resulting from causes other than a corona treatment contained in these defects, a circumscribed rectangle of defect is set so as to have two sides along the scanning direction, and the number of only defects that have a circumscribed width of 2.88 mm or less, a circumscribed length of 2.3 mm or less, an aspect ratio of −39 to +27, an occupancy area ratio in the circumscribing rectangle of 4,000 to 6,950, and an area ratio of −3,100 to +5,200, is automatically counted as spot defects by the surface inspection system.
Ignition coil being adjustable to accommodate different mounting environments
An ignition coil includes a circuit which generates a spark-generating current; a case within which the circuit is disposed; and a mounting boss attached to the case such that the mounting boss is rotatable relative to the case about a mounting boss axis, the mounting boss being configured to mount the ignition coil.
Multipoint ignition device and multipoint ignition engine
A multipoint ignition device for igniting an air-fuel mixture in a combustion chamber of an engine includes: an insulating member formed in an annular shape such that an inner periphery thereof faces the combustion chamber; a plurality of electrodes held on the insulating member so as to form a plurality of ignition gaps inside the combustion chamber; a main body portion provided on an outer periphery of the insulating member; and an intermediate member that is provided between the main body portion and the insulating member and has a larger thermal expansion coefficient than the insulating member.
A spark plug includes a tube-shaped metal shell, an insulator having an outer circumference, at least part of which is held by the metal shell, the insulator including an axial hole extending along an axial line, a center electrode disposed in the axial hole, and a ground electrode fixed to the metal shell. The ground electrode includes an outer layer and an inner layer covered with the outer layer, the inner layer having a thermal conductivity higher than a thermal conductivity of the outer layer. A ratio L of L2 to L1 (=L2/L1) falls within a range of 5% to 50% where a width of the inner layer in a width direction of the ground electrode is denoted with L1 and a dimension of an oxide located in an interlayer portion between the outer layer and the inner layer in the width direction is denoted with L2.
Mid-infrared laser system, mid-infrared optical amplifier, and method of operating a mid-infrared laser system
The mid-infrared laser system has an amplifier including at least one pump laser adapted to generate a pump laser beam and a length of fiber made of a low phonon energy glass and having at least one laser-active doped region between a first end and a second end, and a seed laser to generate a seed laser beam having a seed optical spectrum in the mid-infrared. The seed laser beam is launched into the first end to generate a mid-infrared laser beam outputted from the second end via stimulated emission upon pumping of the at least one laser-active doped region with the pump laser beam. When the power of the pump laser exceeds a spectrum modification threshold, the mid-infrared laser beam has an output optical spectrum being broadened relative to the seed optical spectrum.
Universal adaptor for defibrillators and/or electrocardiograms and methods associated therewith
The present invention relates to a universal adaptor that allows one to connect electrodes and/or electrode pads from a patient that is experiencing heart problems to an EKG and/or defibrillator from a different manufacturer from the manufacturer of the electrodes and/or electrode pads. The invention also relates to methods of saving a patient's life by eliminating the process and time that it would take to transfer electrodes and/or electrode pads on a patient by using this universal adaptor.
An electronic apparatus is configured to include a first connection port that is a connection port of a USB Type C; a second connection port that is a connection port of a USB other than the USB Type C; and a wire that branches off to the first connection port and the second connection port. The electronic apparatus has an exclusive structure in which, in a case where a connector is connected to one of the first connection port and the second connection port, another connector is not able to be connected to the other connection port.
A recharging cable is disclosed, applicable to a smart recharging environment capable of self-detection and self-diagnosis, comprising: a cable; a plug, coupled to the cable, and having at least a power line set, and at least a communication line set, the at least power line set having a power line and a ground line, and the at least communication line set providing real-time communication between the recharging cable and a charging control end and a charged end; an electronic chip, located at one of the cable and the plug, the electronic chip being able to detect real-time information of the material property and device property at the charged end to estimate a real-time impedance information of the cable, and in combination with a historic impedance changes of the cable, to estimate an impedance reflection point of the cable related to ageing.
Board-connecting electric connector device
Electromagnetic shielding about both of electric connectors, which are in a mutually mated state, can be sufficiently carried out by a simple configuration. Shield wall portions composed of electrically-conductive members opposed to contact connecting portions (board connecting portions) of a plurality of contact members arranged in multipolar shapes are provided; electromagnetic shielding functions with respect to the contact connecting portions in the respective electric connectors are obtained well by the respective shield wall portions; and, when both of the electric connectors are mated with each other, the shield wall portions are configured to be in an inner/outer double disposition relation in which they are opposed to each other and efficiently block the gaps between the shield wall portions and wiring boards so that sufficient EMI measures can be expected.
Bi-directional cable interconnect system
In general, embodiments of a bi-directional cable interconnect system are described. A connector bezel configured to guide engagement of a male mating connector of a cable with a female mating connector comprises a front plate having a main opening formed therein configured to allow passage of the male mating connector therethrough and a rear assembly attached to the front plate. The rear assembly comprises a plurality of walls forming a cable connector opening therethrough and a rear opening formed in the rear assembly configured to allow passage of the female mating connector therethrough. The cable connector opening is fluidly coupled with the main opening and with the rear opening.
Card tray connector assembly having a slidable actuating bolt for locking to a biased latch
A card connector assembly includes: an electrical connector (100) including a main body, plural contacts in the main body, and a tray guiding mechanism, the tray guiding mechanism including a slider (17), a pin member (19) coupled between the slider and the main body, a latch (20) moveable with the pin member, and an actuator; and a card tray (200) moveable together with the slider in the main body; wherein the actuator includes a bolt (16) slidably mounted in the main body, and the slider is moveable by the card tray to move the pin member and the latch against a biasing force to lock the latch to the bolt.
Electrical connector having adjacent ground and power contacts with tail portions interposed by signal contact tail portion
An electrical connector includes: an insulative housing having a base and a tongue; an upper and lower rows of contacts arranged in the insulative housing and exposed to the tongue, each contact having a contacting portion, a tail portion, and an intermediate portion, each row of contacts including an outermost ground contact, a power contact adjacent to the ground contact, and plural signal contacts; and a shielding shell enclosing the insulative housing; wherein the contacting portions of the ground and power contacts are next to each other; the tail portion of the ground contact in the upper row of contacts is next to at least one signal contact tail portion in the lower row of contacts; and the tail portion of the ground contact in the lower row of contacts is next to at least one signal contact tail portion in the upper row of contacts.
Perpendicular and orthogonal interconnection system and communications device
An interconnection system includes a first board group, a second board group orthogonal to the first board group, and a center backplane arranged between the first board group and the second board group. The first board group includes a number of first boards parallel to each other and the second board group includes a number of second boards parallel to each other. Right angle male connectors re arranged on each of the first boards and right angle female connectors are arranged on each of the second boards. The right angle male connectors and the right angle female connectors directly cooperate and are connected in one-to-one correspondence.
Electrical unit and header retention system therefor
An electrical unit includes a housing member, a circuit board, a header connected to the housing member, and a plurality of electrical terminals disposed in the header and connected to the circuit board. The header may be connected to the housing member such that movement of the header is restricted and forces applied to the circuit board via the housing member are limited. The header may include a retainer configured to retain the header relative to the housing member. The housing member may include a latch configured to engage the retainer.
An electrical connector includes: an insulating body; multiple terminals, each terminal having a contact portion and at least one clamping portion forming a clamping space; and multiple solder posts, each being correspondingly placed in the clamping space. The solder post has a foundation post and a protruding portion extending upward from the foundation post. The clamping portion clamps the foundation post in the clamping space. A width of the protruding portion is smaller than a width of the foundation post. The foundation post is cylindrical. A height of the solder post is greater than a diameter of the foundation post. The solder posts are arranged more densely on the insulating body. When the electrical connector and a circuit board are together placed into a reflow oven, hot gas flows around the protruding portion more easily, and a contact area between the hot gas and the protruding portion is larger.
Freely translatable electrical connection device having protection against damage from foreign bodies
The application relates to an electrical connection device (100) including a terminal block (10) adapted for connecting to a lug of an electrical cable. The terminal block (10) comprises a locking sleeve (3) adapted for securing the lug so as to enable translation between the terminal block (10) and the lug. The sleeve (3) comprises a first portion (1) and a second portion (2), as well as a pivot element (13, 14) configured such that the first and second portions (1, 2) pivot relative to one another. The pivot element comprises a pin (14) which is connected to the second portion (2) and engaged with the first portion (1) on the side of the first portion (1) substantially opposite the side of the first portion (1) facing the second portion (2). Advantageously, relative rotational is also allowed. A busbar is preferably connected to the terminal block.
Electrical connector assembly
An electrical connector includes an insulating body, a middle shielding sheet, an upper power terminal, a lower power terminal, and a cable. The middle shielding sheet is arranged in the insulating body, and has a base and an extending portion extending backward from the base. The extending portion is recessed with at least one yield slot. The upper power terminal extends to form an upper soldering portion entering a part above the yield slot. The lower power terminal extends to form a lower soldering portion entering a part below the yield slot. The cable has at least one power wire. The power wire has a wire core. The wire core enters the yield slot, extends to a part between the upper soldering portion and the lower soldering portion, and is soldered with the upper soldering portion and the lower soldering portion.
Cable connector assembly
A cable connector assembly, including: a body; a signal terminal and a non-signal terminal accommodated in the body, the signal terminal having a first wire-bonding end extending outside the body, and the non-signal terminal having a second wire-bonding end extending outside the body; a shielding sheet provided on the body, and having a soldering portion extending outside the body; a signal cable having a first core laser soldered to the first wire-bonding end, and a shielding layer wrapping on the first core and electrically connected with the soldering portion to form a contact area; and a non-signal cable having a second core and a second insulating layer wrapping on the second core. A front end of the contact area is flush with a rear end of the second insulating layer or is located behind it.
An antenna, including, but not limited to, a multiple input multiple output antenna is provided. The antenna may include, but is not limited to, a transmission array configured to radiate in a first frequency range, the transmission array including a plurality of dipoles, and an isolator located between the plurality of dipoles of the transmission array, the isolator including at least one conductive strip.
Long term evolution (LTE) outdoor antenna and module
A long term evolution outdoor antenna and module that provides a compact design for wide band performance is provided. In one embodiment, the antennas comprises a top element, a feed coupled to the top element, and an unbalanced communication line coupled to the feed via a bottom element, wherein a dielectric layer is formed between the bottom element and the feed.
RF diffractive element with dynamically writable sub-wavelength pattern spatial definition
A spatial modulator for RF beams (microwave (uW), millimeter wave (MMW), and sub-millimeter wave (sub-MMW)) using dynamically-writable highly-reflective regions, with sub-wavelength diffractive pattern spatial definition that is finer than the wavelength of the incident RF beam.
An inverted-F antenna includes a ground portion, a connecting portion, and a radiating portion, wherein the ground portion is adapted to be electrically connected to a ground line; the connecting portion is respectively connected to the ground portion and the radiating portion to respectively form two included angles therebetween; the radiating portion is separated from the ground portion by a distance due to the connecting portion; the radiating portion has a transceiving segment and a feed-in segment which are mutually connected, wherein the transceiving segment receives and transmits wireless signals in a specific frequency band, while the feed-in segment is adapted to be electrically connected to a signal line; a first notch and a second notch are formed on a side of the transceiving segment, wherein the feed-in segment extends from a portion between the first and the second notches. Whereby, the inverted-F antenna provides an omnidirectional radiation effect.
Auxiliary electronic element, wireless communication device, and method for managing the length of a set of one or more conductors
The present application is directed to managing the length of a set of one or more conductors in an auxiliary electronic element, which is coupled to a wireless communication device. The auxiliary electronic element includes the set of one or more conductors coupled to and extending away from main internal electronic circuitry of the auxiliary electronic element, the main internal electronic circuitry supporting and controlling at least some of the operation of the auxiliary electronic element. The set of one or more conductors extends through an area proximate to at least one of one or more antennas of the wireless communication device a predetermined adjusted length away from the main internal electronic circuitry, in which the at least one of one or more antennas of the wireless communication device supports a wireless communication connection with another wireless communication device. The predetermined adjusted length of the set of one or more conductors is selected so as to match a one quarter length of a longest wavelength of one or more frequencies of the wireless communication connection associated with the at least one of the one or more antennas, which are affected by the set of one or more conductors of the auxiliary electronic element extending through the area proximate thereto.
Wearable body sensor and system including the same
A body sensor, a system including the body sensor and a method of transmitting a biosignal are provided. A wearable body sensor includes a conductive electrode configured to conduct a biosignal from a body, a main board comprising a radio frequency (RF) communication circuit to generate an RF signal based on the biosignal, and an antenna disposed on the RF communication circuit to radiate the RF signal.
This disclosure provides an antenna apparatus in which stable antenna characteristics are maintained by detecting surrounding conditions that affect the antenna characteristics and appropriately compensating the antenna characteristics. More specifically, when surrounding condition such as a human body (e.g., a palm or fingers) approaches and enters an electric field of a pseudo dipole formed by an antenna element electrode, a stray capacitance is sensed and stable antenna characteristics are maintained by appropriately controlling an antenna matching circuit to compensate for a change in the antenna characteristics due to the approach of the surrounding condition.
Antenna coupler mechanism
Systems and methods are provided for an antenna coupler mechanism. The antenna coupler mechanism includes a first tuning leg, a second tuning leg, and a bottom plate. The first tuning leg includes a first inductive circuit element, the first tuning leg being configured to accept a radio frequency device in series with the first inductive circuit element. The second tuning leg includes a second inductive circuit element and a capacitive circuit element connected in series, the second tuning leg being connected electrically in parallel with the first tuning leg. In addition, the bottom plate includes a third inductive circuit element connected electrically in parallel with the first tuning leg and connected electrically in parallel with the second tuning leg, the bottom plate being configured to couple energy into a nearby structure.
Satellite dish heater
A heated satellite dish for reducing snow and ice accumulation on a satellite dish is disclosed. The heated satellite dish includes a heating system which may include a front pad attached to a flexible rear pad, the heating system disposed between the flexible front pad and the flexible rear pad, and a securing system comprising magnets. The satellite dish heater conforms to a rear surface of a satellite dish and the magnets selectively and detachably secure the satellite dish heater against the rear surface of the satellite dish. The heating system transfers heat to the rear surface of the satellite dish to reduce snow and ice accumulation.
A directional coupler includes a first to a fourth port, a main line connecting the first port and the second port, a first and a second subline section configured to be electromagnetically coupled to the main line, and a phase shifter. The first subline section, the phase shifter, and the second subline section are arranged in this order in series between the third port and the fourth port. The phase shifter outputs a signal that is phase-delayed relative to an input signal. The phase delay amount of the output signal of the phase shifter relative to the input signal increases with increasing frequency of the input signal. A frequency twice as high as the frequency of the input signal at which the phase delay amount is 90 degrees is lower than the frequency of the input signal at which the phase delay amount is 180 degrees.
RF window including a prestressing ring that surrounds the periphery of a dielectric disc and applies a radial stress to the dielectric disc
An RF frequency window comprises a dielectric disc, a main metal skirt brazed all the way around the periphery of the dielectric disc and a surrounding prestressing ring in contact with the main metal skirt around the periphery of the dielectric disc and applying, in the rest state, over the whole of the periphery of the dielectric disc, a radial compressive stress directed towards the center of the dielectric disc, the prestressing ring comprising a set of at least one cooling channel in the longitudinal direction of the prestressing ring.
Fast charge apparatus for a battery
A fast charge system 20 including a fast charge composite 60 and a secondary battery 22 enables the secondary battery 22 to be charged in less time than is possible with traditional charging means. The fast charge composite 60 includes a separator 62 of cellulose wetted with a second electrolyte 64 that contains third ions 94 having a positive charge and fourth ions 96 having a negative charge and contacting the adjacent electrode 32, 46 of the secondary battery 22. A fast charge layer 30 of thermally expanded graphite is disposed adjacent and parallel to the separator 62. A second electrical power PFC, which may be greater than a maximum charging power PMAX transferred through traditional charging, is transferred as a function of a second voltage V2 applied between the fast charge layer 30 and the battery lead 34, 50 of the adjacent electrode 32, 46, which causes the third ions 94 and the fourth ions 96 to migrate through the separator 62 to cause the secondary battery 22 to become charged.
Electrolyte of high-voltage lithium-ion battery and high-voltage lithium-ion battery
The present invention relates to electrolyte of a high-voltage lithium-ion battery, comprising a non-aqueous organic solvent, lithium salt and an electrolyte additive; the electrolyte additive comprises the following ingredients based on the total weight of the electrolyte: 1%-10% of fluoroethylene carbonate, 1%-5% of dinitrile compound and 0.1%-2% of 2-methyl maleic anhydride; further, the electrolyte can be further added with additives such as 0.2%-2% of lithium bisoxalatoborate and 1,3-propane sultone. The present invention also relates to a high-voltage lithium-ion battery using the electrolyte, with the charging cut-off voltage being greater than 4.2V and smaller than or equal to 4.5V. The electrolyte of the high-voltage lithium-ion battery provided by the present invention can protect the positive electrode and also form good SEI at the negative electrode, and the high-voltage lithium-ion battery has good cycle performance and storage performance.
Electrode assembly with improved stability and method of manufacturing the same
An electrode assembly includes a cell stack part having (a) a structure in which one kind of radical unit is repeatedly disposed, or (b) a structure in which at least two kinds of radical units are disposed in a predetermined order. The one kind of radical unit has a four-layered structure in which first electrode, first separator, second electrode and second separator are sequentially stacked or a repeating structure in which the four-layered structure is repeatedly stacked. Each of the at least two kinds of radical units are stacked by ones to form the four-layered structure or the repeating structure. The separator has a larger size than the electrode to expose an edge part of the separator to outside of the electrode and the separator. The edge parts of the separators included in one radical unit or in the cell stack part are attached to form a sealing part.
System and method for controlling fuel cell module
A fuel cell module has a hydrogen recirculation pump and a controller. The controller receives a signal indicating the response of the pump to changes in the density or humidity of gasses in the hydrogen recirculation loop. The controller is programmed to consider the signal in controlling one or more balance of plant elements that effect the removal of water from the stack. In a process for operating the fuel cell module, the signal is considered when controlling one or more balance of plant elements that effect the removal of water from the stack. For example, an increase in current drawn from a constant speed or voltage recirculation pump indicates an increase in humidity and suggests that water should be removed from the stack, for example by increasing a coolant temperature set point.
Method for the production of a water transfer compound
The application relates to a water transfer compound, preferably for use for the humidification of process gases for fuel cells, comprising:—a water-permeable and essentially gas-impermeable water transfer layer as well as—at least one thermoplastic protection layer which is water- and gas-permeable at least in sections, where—the water transfer layer and the thermoplastic protection layer overlap each other at least in sections and comprise a first and a second overlapping area, where—the water transfer layer in the first overlapping area is accessible for humid gases through the thermoplastic protection layer and the water transfer compound is thermocompressed in the second overlapping area so that the water transfer layer in the second overlapping area is not accessible for humid gases through the compressed thermoplastic protection layer.
Electrical installation having a cooled fuel cell comprising an absorption heat engine
The invention relates to an installation (100) comprising: a power module having a fuel cell (12) and a reformer (14a), the fuel cell including a heat removal loop (24); and an absorption heat engine (40) having a first boiler (42), a condenser (46), an evaporator (48), and an absorber (50). According to the invention, a heat exchange circuit (42a) of the first boiler is inserted in the heat removal loop of the fuel cell.Furthermore, in the invention, the installation has a closed liquid circuit (10), which circuit comprises at least one heat exchanger (26, 28, 30, 32) having a heating circuit thermally coupled to the power module and a heated circuit inserted in said circulation circuit, said circulation circuit exchanging heat with said heating circuit, heating the liquid of the circulation circuit.Finally, in the invention, a heat exchange circuit (48a) of the evaporator is inserted in said closed liquid circulation circuit.
Cathode contact layer design for preventing chromium contamination of solid oxide fuel cells
In embodiments, a fuel cell stack is provided that includes an interconnect between a first fuel cell and a second fuel cell, and a contact layer in contact with, and disposed between, an electrode of the first fuel cell and the interconnect. The contact layer may include a chromium-getter material. This chromium-getter material may consist of lanthanum oxide, lanthanum carbonate, and/or calcium carbonate.
Solid electrolyte laminate, method for manufacturing solid electrolyte laminate, and fuel cell
An object is to provide a solid electrolyte laminate that allows a large amount of gas to be supplied to a fuel electrode while having improved strength and a method for manufacturing such a solid electrolyte laminate. A solid electrolyte laminate 1 includes a solid electrolyte layer 2, a first electrode layer 3 disposed on one side of the solid electrolyte layer, and a second electrode layer 4 disposed on another side of the solid electrolyte layer. At least the first electrode layer, which forms a fuel electrode, includes a bonding layer 3a bonded to the solid electrolyte layer and a porous layer 3b having continuous pores and integrally formed on the bonding layer.
Cathode active materials having improved particle morphologies
Mixed-metal oxides and lithiated mixed-metal oxides are disclosed that involve compounds according to, respectively, NixMnyCozMeαOβ and Lii+γNixMnyCozMeαOβ. In these compounds, Me is selected from B, Na, Mg, Al, Si, K, Ca, Sc, Ti, V, Cr, Fe, Cu, Zn, Ga, Ge, Zr, Nb, Mo, Ru, Ag, In, and combinations thereof; 0≤x≤1; 0≤y≤1; 0≤z<1; x+y+z>0; 0≤α≤0.5; and x+y+α>0. For the mixed-metal oxides, 1≤β≤5. For the lithiated mixed-metal oxides, −0.1≤γ≤1.0 and 1.9≤β≤3. The mixed-metal oxides and the lithiated mixed-metal oxides include particles having an average density greater than or equal to 90% of an ideal crystalline density.
Particle, electrode, power storage device, electronic device, and method for manufacturing electrode
To increase capacity per weight of a power storage device, a particle includes a first region, a second region in contact with at least part of a surface of the first region and located on the outside of the first region, and a third region in contact with at least part of a surface of the second region and located on the outside of the second region. The first and the second regions contain lithium and oxygen. At least one of the first region and the second region contains manganese. At least one of the first and the second regions contains an element M. The first region contains a first crystal having a layered rock-salt structure. The second region contains a second crystal having a layered rock-salt structure. An orientation of the first crystal is different from an orientation of the second crystal.
Conformal coating of nano-porous material with group IV semiconductor using nanoparticle ink
A nanostructured composite material includes a substrate, a porous layer including a highly structured material, and a coating including nanoparticles. A method for forming the nanostructured composite material can include forming a porous layer on a substrate, the porous layer including a highly structured material, and applying nanoparticles to the porous layer to form the nanostructured composite material.
Silicon oxide-carbon composite and method of manufacturing the same
Provided are a silicon oxide-carbon composite and a method of manufacturing the same. More particularly, the present invention provides a method of manufacturing a silicon oxide-carbon composite including mixing silicon and silicon dioxide to be included in a reaction chamber, depressurizing a pressure of the reaction chamber to obtain a high degree of vacuum while increasing a temperature in the reaction chamber to a reaction temperature, reacting the mixture of silicon and silicon dioxide in a reducing atmosphere, and coating a surface of silicon oxide manufactured by the reaction with carbon, and a silicon oxide-carbon composite manufactured thereby.
Powder coating apparatus and method for manufacturing electrode for lithium ion battery using the same
Provided is a technique capable of evenly smoothing powder supplied to the surface of a supply member. A powder coating apparatus includes a pair of press rollers, hoppers, and squeegee rollers disposed such that prescribed gaps are formed between the squeegee rollers and the press rollers, and adjusting thickness of the powder by smoothing the powder supplied to each outer circumferential surface of the press rollers. The powder coating apparatus presses the powder, smoothed by the squeegee rollers, between the press rollers to form compressed powder layers on both the surfaces of the web. The squeegee roller is formed in a column having an axis being parallel to the outer circumferential surface of the press roller and being orthogonal to a moving direction of the outer circumferential surface of the press roller.
Method of preparing electrode assemblies
Provided herein a method of preparing electrode assemblies for lithium-ion batteries. The method disclosed herein comprises a step of pre-drying separator in the battery manufacturing process before the stacking step, thereby significantly lowering the water content of the separator. Therefore, separators can be used to prepare electrode assemblies regardless of conditions under which they are stored or transported. In addition, the peeling strength between the porous base material and protective porous layer is largely unaffected by the drying process disclosed herein.
Nonaqueous electrolyte secondary battery separator and use thereof
Provided is a nonaqueous electrolyte secondary battery separator excellent in voltage-withstanding property. This nonaqueous electrolyte secondary battery separator has (i) a film thickness of not more than 20 μm, (ii) a peeling strength, measured by a blocking test, of not less than 0.2 N, and (iii) a puncture strength that changes through the blocking test by not more than 15%. The blocking test is carried out by (i) sandwiching, by a jig of 100 mm×100 mm, two 80 mm×80 mm pieces of a separator, (ii) allowing the two 80 mm×80 mm pieces to rest for 30 minutes under a load of 3.5 kg at a temperature of 133° C.±° C., (iii) removing the load, (iv) cooling the two 80 mm×80 mm pieces to room temperature, (vi) cutting out a specimen of 27 mm×80 mm from the two 80 mm×80 mm pieces, and then (vi) measuring a peeling strength of the specimen at 100 mm/min.
Solid-state battery separators and methods of fabrication
Embodiments of solid-state batteries, battery components, and related construction methods are described. The components include one or more embodiments of a low melt temperature electrolyte bonded solid-state rechargeable battery electrode and one or more embodiments of a composite separator having a low melt temperature electrolyte component. Embodiments of methods for fabrication of solid-state batteries and battery components are described. These methods include co-extrusion, hot pressing and roll casting.
Method of preparing separator, separator prepared therefrom, and electrochemical device having the same
The present invention refers to a method of preparing a separator, comprising: producing a dispersion comprising inorganic particles, a polymer binder, polymer fibers and a solvent; applying the dispersion on the top surface of a substrate to form a non-woven fabric web as a layer comprising the inorganic particles, the polymer binder and the polymer fiber, in which the inorganic particles are positioned in gaps of the polymer fibers and adhered thereto by the polymer binder; and drying and compressing the non-woven fabric web to obtain a non-woven fabric substrate; a separator prepared by the method; and an electrochemical device comprising the separator.
Sealed battery manufacturing method
In a manufacturing method of a sealed battery, a positive terminal is provided on one end portion of a lid and a negative terminal is provided on another end portion of the lid. An end surface on the positive terminal side of the lid is inserted into an opening, and made to contact an inside wall of the opening. Then, an end surface on the negative terminal side of the lid is inserted into the opening, and the battery can and the lid are welded together. Therefore, even if metal foreign bodies get into the battery can at the time of manufacture, they will get in on the negative terminal side, so a decrease in voltage of the sealed battery is able to be suppressed.
Battery cell unit, battery module and battery system using pouch contact type battery cell
A pouch contact type battery cell is provided. The cell includes a gap filling member that is positioned inside a plurality of cell covers that are made of an aluminum material and enclose two pouches and remove a non-contact gap G for preventing electrical insulation breakdown of the pouches and the cell covers in the contacted state with extending portions of the pouches, respectively. A battery module includes a battery cell unit in which the plurality of pouch contact type battery cells are stacked and a battery system includes the battery module. Accordingly, performance of an electric vehicle or a hybrid vehicle is improved due to a reduction in weight based on the reduction in size and volume.
Organic light emitting diode
The described technology relates to an organic light emitting diode including: a first electrode; a second electrode overlapping the first electrode; an organic emission layer between the first electrode and the second electrode; and a capping layer on the second electrode, wherein the capping layer has an absorption rate of 0.25 or more for light having a wavelength of 405 nm, thereby preventing degradation of the organic emission layer by blocking the light of the harmful wavelength region and providing the organic light emitting diode in which a blue emission efficiency is not deteriorated.
Organic light-emitting display apparatus and method of manufacturing the same
An organic light-emitting display apparatus is provided. The display apparatus includes a pixel-defining layer disposed on a substrate, wherein the pixel-defining layer defines an emission region and a non-emission region, an organic light-emitting device disposed in the emission region, and a protruding portion disposed on a portion of the pixel-defining layer in the non-emission region. The display apparatus also includes a thin film encapsulating layer disposed on the substrate for sealing the organic light-emitting device and the protruding portion, the thin film encapsulating layer comprising at least one organic film and at least one inorganic film, wherein at least one organic film corresponds to a functional organic film, and a height of a first upper surface of the functional organic film disposed away from the protruding portion is lower than a height of a second upper surface of the functional organic film disposed near a top of the protruding portion.
Organic light emitting diode display
An organic light emitting diode display, which is foldable about a folding central axis, and in which a folding area including the folding central axis and a non-folding area except for the folding area are defined, the organic light emitting diode display including a first panel having flexibility; a second panel on the first panel and having flexibility; a third panel on the second panel and having flexibility; a first adhesive layer between the first panel and the second panel to bond the first panel and the second panel to each other; and a second adhesive layer between the second panel and the third panel to bond the second panel and the third panel to each other, wherein at least one of the first adhesive layer and the second adhesive layer includes a first reinforcing material.
Light emitting diode and display device including the same
An exemplary embodiment of the present disclosure provides a light emitting diode including: a first electrode; a second electrode configured to overlap the first electrode; an emission layer between the first electrode and the second electrode; and an electron-injection layer between the emission layer and the first electrode, wherein the electron-injection layer includes a compound XIn, in XIn the subscript n is an integer which is in a range of 1 to 3, and X includes a lanthanide element.
Material for organic electroluminescent device and organic electroluminescent device using the same
Provided are a material for an organic electroluminescent device and an organic electroluminescent device including the same. The material for the organic electroluminescent device is represented by the following Formula (1). The material and the organic electroluminescent device including the material may have long life. The material may include an azadibenzoheterole part at the meta (m) position of a phenylene group combined via a direct linkage or a connecting group L1 with the nitrogen atom N of an amine.
Functionalized pyranopyran-derived acceptors for donor-acceptor polymers
An organic photovoltaic device includes an anode and a cathode. The organic photovoltaic device includes an active layer between the anode and the cathode. The active layer includes a p-type material. The p-type material includes a donor-acceptor (DA) polymer. An acceptor unit of the DA polymer includes a functionalized pyranopyran-dione compound or a functionalized naphthyridine-dione compound.
Resistance variable memory device with nanoparticle electrode and method of fabrication
A chalcogenide-based programmable conductor memory device and method of forming the device, wherein a nanoparticle is provided between an electrode and a chalcogenide glass region. The method of forming the nanoparticle utilizes a template over the electrode or random deposition of the nanoparticle.
Method and apparatus providing multi-planed array memory device
A three-dimensional variable resistance memory array and method of forming the same. The memory array has memory cells in multiple planes in three dimensions. The planes of the memory cells include shared interconnect lines, dually connected to driving and sensing circuits, that are used for addressing the cells for programming and reading. The memory array is formed using only a single patterned mask per central array plane to form the memory cells of such planes.
Thermoelectric conversion material-containing resin composition and film formed from thermoelectric conversion material-containing resin composition
Provided are a resin composition that enables simple formation of a film having excellent thermoelectric conversion characteristics and flexibility, and a film that is formed using the resin composition and that has excellent thermoelectric conversion characteristics and flexibility. A thermoelectric conversion material-containing resin composition contains (A) an insulating resin, (B) an inorganic thermoelectric conversion material, and (C) a charge transport material. A film is formed according to a commonly known method using the thermoelectric conversion material-containing resin composition. It is preferable that (B) the inorganic thermoelectric conversion material is in the form of fine tubes or fine wires. Single-walled carbon nanotubes are particularly preferable as (B) the inorganic thermoelectric conversion material.
Light-emitting apparatus and method of manufacturing the same
A light-emitting apparatus is provided which can improve the reflectance of light in the emission wavelength region of the LED. The light-emitting apparatus includes a mount board constituted by a metal support, a circuit board provided with an opening and fixed onto the mount board, a multi-layered film containing silver as a light-reflecting material, the multi-layered film being stacked on the mount board exposed in the opening, exclusive of a portion of the mount board onto which the circuit board is fixed, and an LED element mounted on the multi-layered film.
Method of producing light transmissive element and method of producing light emitting device
A method of producing a light transmissive element includes providing a holding member including an upper surface and a plurality of holes, each of the plurality of holes having at least one inner lateral surface that is a substantially smooth surface and an opening in the upper surface of the holding member; filling the plurality of holes with a wavelength conversion member containing fluorescent particles and a light transmissive member such that the wavelength conversion member is in contact with the inner lateral surface of each of the plurality of holes; molding the wavelength conversion member; and taking out the wavelength conversion member from the holding member after the molding of the wavelength conversion member.
Semiconductor light-emitting device
A semiconductor light-emitting device includes: a package substrate having a mounting surface on which a first circuit pattern and a second circuit pattern are disposed; a semiconductor LED chip mounted on the mounting surface, having a first surface which faces the mounting surface and on which a first electrode and a second electrode are disposed, a second surface opposing the first surface, and side surfaces located between the first surface and the second surface, the first electrode and the second electrode being connected to the first circuit pattern and the second circuit pattern, respectively; a wavelength conversion film disposed on the second surface; and a side surface inclined portion disposed on the side surfaces of the semiconductor LED chip, providing inclined surfaces, and including a light-transmitting resin containing a wavelength conversion material.
Optoelectronic device and the manufacturing method thereof
The present disclosure provides an optoelectronic device comprising a semiconductor stack comprising a first side having a first length; a first contact layer on the semiconductor stack; and a second contact layer on the semiconductor stack opposite to the first contact layer, wherein the second contact layer is not overlapped with the first contact layer in a vertical direction; and wherein the second contact layer comprises multiple contact regions separated from each other and arranged in a two-dimensional array, wherein a first distance between the two adjacent contact regions is between 0.8% and 8% of the first length.
Textured optoelectronic devices and associated methods of manufacture
Textured optoelectronic devices and associated methods of manufacture are disclosed herein. In several embodiments, a method of manufacturing a solid state optoelectronic device can include forming a conductive transparent texturing material on a substrate. The method can further include forming a transparent conductive material on the texturing material. Upon heating the device, the texturing material causes the conductive material to grow a plurality of protuberances. The protuberances can improve current spreading and light extraction from the device.
Nitride semiconductor light-emitting element
A nitride semiconductor light-emitting element includes at least an n-type nitride semiconductor layer, a light-emitting layer, and a p-type nitride semiconductor layer. A multilayer body is provided between the n-type nitride semiconductor layer and the light-emitting layer, having at least one stack of first and second semiconductor layers. The second semiconductor layer has a greater band-gap energy than the first semiconductor layer. The first and second semiconductor layers each have a thickness of more than 10 nm and 30 nm or less. In applications in which luminous efficiency at room temperature is a high priority, the first semiconductor layer has a thickness of more than 10 nm and 30 nm or less, the second semiconductor layer has a thickness of more than 10 nm and 40 nm or less, and the light-emitting layer has V-shaped recesses in cross-sectional view.
Low warpage wafer bonding through use of slotted substrates
In a wafer bonding process, one or both of two wafer substrates are scored prior to bonding. By creating slots in the substrate, the wafer's characteristics during bonding are similar to that of a thinner wafer, thereby reducing potential warpage due to differences in CTE characteristics associated with each of the wafers. Preferably, the slots are created consistent with the singulation/dicing pattern, so that the slots will not be present in the singulated packages, thereby retaining the structural characteristics of the full-thickness substrates.
Solar cell module and solar cell module manufacturing method
This solar cell module is provided with: a plurality of solar cells; and a tab, which electrically connects the solar cells, and which has recesses and projections on the surface thereof. The tab has height of the recesses and the projections smaller in the peripheral region of each of the solar cells, compared with that in other regions of each of the solar cells.
A high efficiency configuration for a solar cell module comprises solar cells arranged in an overlapping shingled manner and conductively bonded to each other in their overlapping regions to form super cells, which may be arranged to efficiently use the area of the solar module. Rear surface electrical connections between solar cells in electrically parallel super cells provide alternative current paths (i.e., detours) through the solar module around damaged, shaded, or otherwise underperforming solar cells.
Electric field tuning of PbS quantum dots for high efficiency solar cell application
A thin film and a method of making a thin film. The thin film comprises a patterned substrate, a smooth film of electric field tuned quantum dots solution positioned on the patterned substrate, and a thin layer of metal positioned on the thin film. The method begins by drop-casting a quantum dots solution onto a patterned substrate to create a thin film. While the quantum dots solution is drying, a linearly increasing electric filed is applied. The thin film is then placed in a deposition chamber and a thin layer of metal is deposited onto the thin film. Also included are a method of measuring the photoinduced charge transfer (PCT) rate in a quantum dot nanocomposite film and methods of forming a Shottky barrier on a transparent ITO electrode of a quantum dot film.
Metallization of conductive wires for solar cells
Methods of fabricating a solar cell, and system for electrically coupling solar cells, are described. In an example, the methods for fabricating a solar cell can include placing conductive wires in a wire guide, where conductive wires are placed over a first semiconductor substrate having first doped regions and second doped regions. The method can include aligning the conductive wires over the first and second doped regions, where the wire guide aligns the conductive wires substantially parallel to the first and second doped regions. The method can include bonding the conductive wires to the first and second doped regions. The bonding can include applying a mechanical force to the semiconductor substrate via a roller or bonding head of the wire guide, where the wire guide inhibits lateral movement of the conductive wires during the bonding.
Wrapped source/drain contacts with enhanced area
Semiconductor device and methods of forming the same include forming a first dielectric layer over a semiconductor fin. A second dielectric layer is formed around the first dielectric layer. The semiconductor fin is recessed below a height of the first and second dielectric layers. Source and drain extensions are grown from the recessed semiconductor fin. The first dielectric layer is recessed to expose an underside of and sidewalls of the source/drain extensions. Conductive contacts are formed around exposed portions of the source/drain extensions.
Method for fabricating a semiconductor device having a first fin active pattern and a second fin active pattern
A semiconductor device includes a substrate including a first active region, a second active region and a field region between the first and second active regions, and a gate structure formed on the substrate to cross the first active region, the second active region and the field region. The gate structure includes a p type metal gate electrode and an n-type metal gate electrode directly contacting each other, the p-type metal gate electrode extends from the first active region less than half way toward the second active region.
Enhanced dislocation stress transistor
A device is provided. The device includes a transistor formed on a semiconductor substrate, the transistor having a conduction channel. The device includes at least one edge dislocation formed adjacent to the conduction channel on the semiconductor substrate. The device also includes at least one free surface introduced above the conduction channel and the at least one edge dislocation.
High pressure low thermal budge high-k post annealing process
A method of embedding SiGe when fabricating a PMOS device is provided. Multiple layers of SiGe layers with different Ge contents may be formed such that the Ge content increases to from bottom layer(s) to middle layer(s), and decreases from the middle layer(s) to top layer(s). In some embodiments, the embedded SiGe can have a SiGe seed layer over a substrate, a first SiGe transition layer over the SiGe seed layer, a SiGe milled layer over the first SiGe transition layer, and a second SiGe transition layer over the SiGe middle layer. The first SiGe transition layer can have a Ge content increasing from a bottom of the first SiGe transition layer to a top of the first SiGe transition layer. The second SiGe transition layer can have a Ge content decreasing from a bottom of the second SiGe transition layer to a top of the second SiGe transition layer.
Ferroelectric field effect transistors, pluralities of ferroelectric field effect transistors arrayed in row lines and column lines, and methods of forming a plurality of ferroelectric field effect transistors
A ferroelectric field effect transistor comprises a semiconductive channel comprising opposing sidewalls and an elevationally outermost top. A source/drain region is at opposite ends of the channel. A gate construction of the transistor comprises inner dielectric extending along the channel top and laterally along the channel sidewalls. Inner conductive material is elevationally and laterally outward of the inner dielectric and extends along the channel top and laterally along the channel sidewalls. Outer ferroelectric material is elevationally outward of the inner conductive material and extends along the channel top. Outer conductive material is elevationally outward of the outer ferroelectric material and extends along the channel. Other constructions and methods are disclosed.
Semiconductor structure and manufacturing method of the same
A semiconductor structure and a manufacturing method of a semiconductor structure are provided. The semiconductor structure includes a semiconductor substrate, a gate, a first diffusion region and a second diffusion region. The gate is disposed on the semiconductor substrate and extends along a first direction. The first diffusion region is formed in the semiconductor substrate, and the second diffusion region is formed in the first diffusion region. The first diffusion region has a first portion located underneath the gate and a second portion protruded from a lateral side of the gate, the first portion has a first length parallel to the first direction, the second portion has a second length parallel to the first direction, and the first length is larger than the second length.
Semiconductor device and method of manufacturing same
In a semiconductor device using a nitride semiconductor, a MISFET is prevented from having deteriorated controllability which will otherwise occur when a tungsten film, which configures a gate electrode of the MISFET, has a tensile stress. A gate electrode of a MISFET having an AlGN/GaN heterojunction is formed from a tungsten film having grains with a relatively small grain size and having no tensile stress. The grain size of the grains of the tungsten film is smaller than that of the grains of a barrier metal film configuring the gate electrode and formed below the tungsten film.
Compound semiconductor field effect transistor gate length scaling
A compound semiconductor transistor may include a channel layer. The compound semiconductor transistor may also include a dielectric layer on the channel layer. The compound semiconductor transistor may further include a gate. The gate may include a vertical base portion through the dielectric layer and electrically contacting the channel layer. The gate may also include a head portion on the dielectric layer and electrically coupled to the vertical base portion of the gate.
Semiconductor device and method for manufacturing the same
A semiconductor device in which a shift of the threshold voltage of a transistor is suppressed is provided. A semiconductor device in which a decrease in the on-state current of a transistor is suppressed is provided. The semiconductor device is manufactured as follows: forming a gate electrode layer over a substrate; forming a gate insulating film over the gate electrode layer; forming an oxide semiconductor film over the gate insulating film; forming a metal oxide film having a higher reducing property than the oxide semiconductor film over the oxide semiconductor film; performing heat treatment while the metal oxide film and the oxide semiconductor film are in contact with each other, thereby the metal oxide film is reduced so that a metal film is formed; and processing the metal film to form a source electrode layer and a drain electrode layer.
Isolation structure of fin field effect transistor
A representative fin field effect transistor (FinFET) includes a substrate having a major surface; a fin structure protruding from the major surface having a lower portion comprising a first semiconductor material having a first lattice constant; an upper portion comprising the first semiconductor material. A bottom portion of the upper portion comprises a dopant with a first peak concentration. A middle portion is disposed between the lower portion and upper portion, where the middle portion comprises a second semiconductor material having a second lattice constant different from the first lattice constant. An isolation structure surrounds the fin structure, where a portion of the isolation structure adjacent to the bottom portion of the upper portion comprises the dopant with a second peak concentration equal to or greater than the first peak concentration.
Punch through stopper in bulk finFET device
A method of forming a semiconductor device that includes forming a fin structure from a bulk semiconductor substrate and forming an isolation region contacting a lower portion of a sidewall of the fin structure, wherein an upper portion of the sidewall of the fin structure is exposed. A sacrificial spacer is formed on the upper portion of the sidewall of the fin structure. The isolation regions are recessed to provide an exposed section of the sidewall of the fin structure. A doped semiconductor material is formed on the exposed section of the lower portion of the sidewall of the fin structure. Dopant is diffused from the doped semiconductor material to a base portion of the fin structure.
Self-aligned finFET formation
A method for fabricating a semiconductor device comprises forming a first hardmask, a planarizing layer, and a second hardmask on a substrate. Removing portions of the second hardmask and forming alternating blocks of a first material and a second material over the second hardmask. The blocks of the second material are removed to expose portions of the planarizing layer. Exposed portions of the planarizing layer and the first hardmask are removed to expose portions of the first hardmask. Portions of the first hardmask and portions of the substrate are removed to form a first fin and a second fin. Portions of the substrate are removed to further increase the height of the first fin and substantially remove the second fin. A gate stack is formed over a channel region of the first fin.
FinFET with epitaxial source and drain regions and dielectric isolated channel region
A semiconductor device is provided that includes a pedestal of an insulating material present over at least one layer of a semiconductor material, and at least one fin structure in contact with the pedestal of the insulating material. Source and drain region structures are present on opposing sides of the at least one fin structure. At least one of the source and drain region structures includes at least two epitaxial material layers. A first epitaxial material layer is in contact with the at least one layer of semiconductor material. A second epitaxial material layer is in contact with the at least one fin structure. The first epitaxial material layer is separated from the at least one fin structure by the second epitaxial material layer. A gate structure present on the at least one fin structure.
Semiconductor device and manufacturing method thereof
A semiconductor device including a Fin FET device includes a fin structure protruding from a substrate layer and having a length extending in a first direction. A channel layer is formed on the fin structure. A gate stack including a gate electrode layer and a gate dielectric layer extending in a second direction perpendicular to the first direction is formed over the channel layer covering a portion of the length of the fin structure. The source and drain contacts are formed over trenches that extend into a portion of a height of the fin structure.
Fabrication of strained vertical p-type field effect transistors by bottom condensation
A method of forming a strained vertical p-type field effect transistor, including forming a counter-doped layer at a surface of a substrate, forming a source/drain layer on the counter-doped layer, forming one or more vertical fins on the source/drain layer, removing a portion of the source/drain layer to form one or more bottom source/drains below each of the one or more vertical fins, reacting an exposed portion of each of the one or more bottom source/drains with a reactant to form a disposable layer on opposite sides of each bottom source/drain and a condensation layer between the two adjacent disposable layers, and removing the disposable layers.
Semiconductor device and manufacturing method thereof
A semiconductor device includes a gate structure located on a substrate; and a raised source/drain region adjacent to the gate structure. An interface is between the gate structure and the substrate. The raised source/drain region includes a stressor layer providing strain to a channel under the gate structure; and a silicide layer in the stressor layer. The silicide layer extends from a top surface of the raised source/drain region and ends below the interface by a predetermined depth. The predetermined depth allows the stressor layer to maintain the strain of the channel.
Semiconductor device comprising a gate formed from a gate ring
In some examples, a semiconductor device includes a substrate, a first doped region formed in the substrate, a second doped region around and spaced apart from the first doped region, and a channel between the first and second doped regions and formed using a gate ring on the substrate as a mask. A gate is formed over only a portion of the channel, the gate being a portion of the gate ring.
NVM device in SOI technology and method of fabricating an according device
The present disclosure provides in one aspect a semiconductor device including a substrate structure comprising an active semiconductor material formed over a base substrate and a buried insulating material formed between the active semiconductor material and the base substrate, a ferroelectric gate structure disposed over the active semiconductor material in an active region of the substrate structure, the ferroelectric gate structure comprising a gate electrode and a ferroelectric material layer, and a contact region formed in the base substrate under the ferroelectric gate structure.
Uniform threshold voltage for nanosheet devices
A method is presented for forming a nanosheet structure having a uniform threshold voltage (Vt). The method includes forming a conductive barrier surrounding a nanosheet, forming a first work function conducting layer over the conductive barrier layer, and forming a conducting layer adjacent the first work function conducting layer, the conducting layer defining a first region and a second region. The method further includes forming a second work function conducting layer over the second region of the conducting layer to compensate for threshold voltage offset between the first and second regions of the conducting layer.
Field effect transistor which can be biased to achieve a uniform depletion region
A Field Effect Transistor includes a channel with one end designated the source and the other end designated the drain. The Field Effect Transistor also includes a means for connecting to said source end of said channel and a means for connecting to said drain end of said channel. A gate is divided into a plurality of segments each insulated from one another. A means for adjusting the bias of each of said segments independently of one another is configured whereby the depletion region in said channel can be adjusted to avoid pinch-off and to maximize the efficiency of said Field Effect Transistor.
Semiconductor devices including field effect transistors and methods of fabricating the same
A semiconductor device includes a fin structure on a substrate, device isolation patterns on the substrate at opposite sides of the fin structure, a gate electrode intersecting the fin structure and the device isolation patterns, a gate dielectric pattern between the gate electrode and the fin structure and between the gate electrode and the device isolation patterns, and gate spacers on opposite sidewalls of the gate electrode, wherein, on each of the device isolation patterns, a bottom surface of the gate dielectric pattern is at a higher level than bottom surfaces of the gate spacers.
Semiconductor device including a superlattice and replacement metal gate structure and related methods
A semiconductor device may include a substrate having a channel recess therein, a plurality of spaced apart shallow trench isolation (STI) regions in the substrate, and source and drain regions spaced apart in the substrate and between a pair of the STI regions. A superlattice channel may be in the channel recess of the substrate and extend between the source and drain regions, with the superlattice channel including a plurality of stacked group of layers, and each group of layers of the superlattice channel including stacked base semiconductor monolayers defining a base semiconductor portion and at least one non-semiconductor monolayer constrained within a crystal lattice of adjacent base semiconductor portions. A replacement gate may be over the superlattice channel.
Nanocrystals with high extinction coefficients and methods of making and using such nanocrystals
A population of bright and stable nanocrystals is provided. The nanocrystals include a semiconductor core and a thick semiconductor shell and can exhibit high extinction coefficients, high quantum yields, and limited or no detectable blinking.
Semiconductor device having self-isolating bulk substrate and method therefor
A semiconductor device comprises a bulk semiconductor substrate that includes a first conductivity type floating buried doped region bounded above by a second conductivity type doped region and bounded below by another second conductivity semiconductor region. Trench isolation regions extend through the second conductivity doped region and the first conductivity floating buried doped region into the semiconductor region. Functional devices are disposed within the second conductivity type doped region. The first conductivity type floating buried doped region is configured as a self-biased region that laterally extends between adjacent trench isolation regions.
Semiconductor device with drift zone and backside emitter and method of manufacturing thereof
An epitaxial layer is formed by epitaxy on a base substrate at a front side. From opposite to the front side, at least a portion of the base substrate is removed, wherein the base substrate is completely removed or a remnant base section has a thickness of at most 20 μm. Dopants of a first charge type are implanted from opposite of the front side into an implant layer of the epitaxial layer. A metal drain electrode is formed opposite to the front side. At least the implant layer is heated to a temperature not higher than 500° C. The heating activates only a portion of the implanted dopants in the implant layer. After heating, an integrated concentration of activated dopants along a shortest line between the metal drain electrode and a closest doped region of a second, complementary charge type is at most 1.5E13 cm−2.
Semiconductor device and method for forming same
A system and method for forming a resistor system is provided. An embodiment comprises a resistor formed in a U-shape. The resistor may comprise multiple layers of conductive materials, with a dielectric layer filling the remainder of the U-shape. The resistor may be integrated with a dual metal gate manufacturing process or may be integrated with multiple types of resistors.
Semiconductor structure and method
A method of manufacturing a semiconductor device and the semiconductor device are provided in which a plurality of layers with cobalt-zirconium-tantalum are formed over a semiconductor substrate, the plurality of layers are patterned, and multiple dielectric layers and conductive materials are deposited over the CZT material. Another layer of CZT material encapsulates the conductive material.
Display panel and method of manufacturing same
A display panel 1 includes a substrate 12, a first column bank 30A, a second column bank 30B, a third column bank 30C, first row banks 40A in a first column region 35A, second row banks 40B in a second column region 35B, blue organic light-emitting elements 11B, and green organic light-emitting elements 11G. The number of high row banks between blue organic light-emitting elements is less than the number of high row banks between green organic light-emitting elements.
Organic light-emitting diode (OLED) display and method of manufacturing the same
An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes an OLED comprising a plurality of pixels configured to emit different colors of light and an encapsulation layer formed over the OLED. The OLED display also includes a color filter layer formed over the encapsulation layer, wherein the color filter layer comprises a plurality of color filters formed on regions corresponding to the pixels and a plurality of light block units respectively formed at least between the color filters. The OLED display further includes an edge lens unit formed over a lower surface of the color filter layer and formed between a lower surface of each of the color filters and a lower surface of each of the light block units.
Organic light-emitting display apparatus
An organic light-emitting display apparatus includes a substrate including a display area and a non-display area, a reference sub-pixel arranged on the display area to realize a first color, and a first sub-pixel arranged on the display area to realize the first color, the first sub-pixel being adjacent to the non-display area and having a shape different from a shape of the reference sub-pixel.
Pixel arrangement structure and a display apparatus
The present application discloses a pixel arrangement structure and a display apparatus, the pixel arrangement structure includes a plurality of pixel units, the pixel unit includes a first sub-pixel group, a common sub-pixel group, and a second sub-pixel group sequentially arranged in row direction, the first sub-pixel group includes a first red sub-pixel and a first green sub-pixel arranged in a column direction, the common sub-pixel group includes a dark blue sub-pixel and a light blue sub-pixel arranged in a column direction, the second sub-pixel group includes a second red sub-pixel and a second green sub-pixel arranged in a column direction, the first sub-pixel group and the common sub-pixel group form a first pixel, and the second sub-pixel group and the common sub-pixel group form a second pixel. The present application can increase the density of the sub-pixel arrangement, thereby increasing the resolution of the display apparatus.
Micro display having vertically stacked structure and method of forming the same
Disclosed is a micro display. Each of display portions constituting the micro display includes an individual active layer and p-type semiconductor layer which are on each of a plurality of n-type semiconductors which are each configured in a line form. Consequently, a plurality of light emitting structures are formed on a common n-type semiconductor provided in a form of a single string, and a crossbar structure in which a positive electrode pattern perpendicular to a disposition direction of the common n-type semiconductor is disposed is formed. As a result, a micro display in which a plurality of light emitting structures can be individually controlled can be realized.
Switch device and storage unit having a switch layer between first and second electrodes
A switch device includes: a first electrode; a second electrode disposed to oppose the first electrode; a switch layer provided between the first electrode and the second electrode, and including at least one or more kinds of chalcogen elements and one or more kinds of first elements out of the one or more kinds of chalcogen elements, the one or more kinds of first elements, and a second element including one or both of oxygen (O) and nitrogen (N), the one or more kinds of chalcogen elements being selected from tellurium (Te), selenium (Se), and sulfur (S), and the one or more kinds of first elements being selected from boron (B), carbon (C), and silicon (Si).
Thin-film transistor, display device, and method for manufacturing thin-film transistor
A thin-film transistor includes a substrate, a gate electrode formed on a surface of the substrate, a gate protection layer and a semiconductor layer stacked on the gate electrode, and an etch stop layer, source terminal metal, and drain terminal metal formed on a surface of the semiconductor layer in such a way that the source terminal metal and the drain terminal metal are respectively located on two opposite sides of the etch stop layer. The thin-film transistor further includes a light shielding layer, an insulation medium layer, and a pixel electrode. The light shielding layer is stacked on the etch stop layer to prevent light from irradiating the semiconductor layer. The insulation medium layer covers the source terminal metal, the drain terminal metal, and the light shielding layer. The pixel electrode is formed on a surface of the insulation medium layer and electrically connected to the drain terminal metal.
Light-emitting diode structure including separation unit between light-emitting diode units and display apparatus including the same
A light-emitting diode structure includes light-emitting diode units, and a separation unit, where one of the light-emitting diode units includes a stacked structure including an n-type semiconductor layer, a p-type semiconductor layer, and a photo-active layer arranged between the n-type semiconductor layer and the p-type semiconductor layer, a first electrode, which faces a surface of the stacked structure and is electrically connected to one of the n-type semiconductor layer and the p-type semiconductor layer, and a second electrode, which faces the surface of the stacked structure opposite to the surface faced by the first electrode and is electrically connected to one of the n-type semiconductor layer and the p-type semiconductor layer, and the separation unit is arranged between at least two adjacent light-emitting diode units among the light-emitting diode units and separates the two light-emitting diode units from each other.
Image sensor having pickup region
The present invention provides an image sensor. An image sensor include a pixel array. The pixel array includes: a plurality of pixels; and an isolation structure suitable for insulating between the plurality of pixels. The isolation structure includes: a first conductivity-type conductive layer formed over a substrate; and a second conductivity-type pickup region formed in the first conductivity-type conductive layer and disposed between each plurality of pixels.
Optical receiver, portable electronic device, and method of producing optical receiver
Provided are an optical receiver that can realize a reduction in the variation of sensitivity in the ultraviolet light region and a reduction in noise in the visible light region and the infrared light region, a portable electronic device, and a method of producing an optical receiver. The first light-receiving device (PD1) and the second light-receiving device (PD2) of the optical receiver (1) are each constituted by forming a second conductivity-type N-type well layer (N_well) on a first conductivity-type P-type substrate (P_sub), forming a first conductivity-type P-type well layer (P_well) in the N-type well layer (N_well), and forming a second conductivity-type N-type diffusion layer (N) in the P-type well layer (P_well). The P-type substrate P_sub, the N-type well layer (N_well), and the P-type well layer (P_well) are electrically at the same potential or are short-circuited.
Solid-state imaging apparatus and electronic device
Disclosed herein is a solid-state imaging apparatus including: a semiconductor base; a photodiode created on the semiconductor base and used for carrying out photoelectric conversion; a pixel section provided with pixels each having the photodiode; a first wire created by being electrically connected to the semiconductor base for the pixel section through a contact section and being extended in a first direction to the outside of the pixel section; a second wire made from a wiring layer different from the first wire and created by being extended in a second direction different from the first direction to the outside of the pixel section; and a contact section for electrically connecting the first and second wires to each other.
A display device is disclosed. In one aspect, the display device includes a substrate, a first signal line formed over the substrate and a first insulating layer formed over the substrate and the first signal line. The display device also includes a second signal line formed over the first insulating layer and including an overlapping area that overlaps the first signal line, a second insulating layer formed over the second signal line and having a via hole that exposes at least a part of the overlapping area. The display device further includes an auxiliary wiring layer covering the via hole and connected to the overlapping area through the via hole.
A display device includes a first substrate having an active area, a circuit area extending outwardly from the active area, and a cell seal area extending outwardly from the circuit area, a second substrate covering the first substrate, a sealing part between the first substrate and the second substrate, the sealing part covering at least a portion of the circuit area, a wiring part in the circuit area of the first substrate and electrically connected to elements in the active area of the first substrate, the wiring part including at least one level-difference compensation part, and a stepped part between the sealing part and at least a portion of the wiring part, the at least one level-difference compensation part of the wiring part being adjacent to the stepped part.
Integrated structures and methods of forming integrated structures
Some embodiments include an integrated structure having a first opening extending through a stack of alternating insulative levels and conductive levels. A nitride structure is within the first opening and narrows the first opening to form a second opening. Detectable oxide is between the nitride structure and one or more of the conductive levels. Some embodiments include an integrated structure having a conductive material, a select device gate material over the conductive material, and vertically-stacked conductive levels over the select device gate material. A first opening extends through the vertically-stacked levels to the conductive material and has opposing sidewalls along a cross-section. Nitride liners are along the sidewalls of the first opening. Detectable oxide is between at least one of the nitride liners and one or more of the vertically-stacked conductive levels. Some embodiments include methods for forming integrated structures.
Three-dimensional memory device having select gate electrode that is thicker than word lines and method of making thereof
A three-dimensional memory device includes an alternating stack of insulating layers and electrically conductive layers located over a substrate, the alternating stack having a memory array region and a contact region containing stepped surfaces, and memory stack structures having a semiconductor channel and a memory film extending through the memory array region of the alternating stack. The electrically conductive layers include a drain select gate electrode and word lines, where the drain select gate electrode is thicker than each of the word lines.
Static random access memory device with vertical FET devices
An SRAM includes an SRAM array including a plurality of SRAM cells arranged in a matrix. Each of the SRAM cells includes six vertical field effect transistors. The SRAM array includes a plurality of groups of conductive regions extending in the column direction. Each of the plurality of groups of conductive regions includes a first to a fourth conductive region arranged in this order in the row direction, and the first to fourth conductive regions are separated by insulating regions from each other. The first, second and third conductive regions are coupled to sources of first conductive type VFETs, and the fourth conductive region is coupled to sources of second conductive type VFETs. The plurality of groups are arranged in the row direction such that the fourth conductive region of one group of conductive regions is adjacent to the first conductive region of adjacent one group of conductive regions.
Static random access memory and method of manufacturing the same
A Static Random Access Memory (SRAM) cell includes a first pull-up transistor and a first pull-down transistor, a second pull-up transistor and a second pull-down transistor, and first and second pass-gate transistors. A first buried contact electrically connects a drain region of the first pull-up transistor and gate electrodes of the second pull-up transistor and the second pull-down transistor, and includes a first metal layer formed in a region confined by spacers of a first gate layer and a first electrically conductive path formed at a level below the spacers. A second buried contact electrically connects a drain region of the second pull-up transistor and gate electrodes of the first pull-up transistor and the first pull-down transistor, and includes a second metal layer formed in a region confined by spacers of a second gate layer and a second electrically conductive path formed at the level below the spacers.
Semiconductor structure, semiconductor structure for memory device and method for forming the same
A semiconductor structure for a memory device includes a substrate including a memory cell region and a peripheral circuit region defined thereon, at least an active region formed in the peripheral circuit region, a buried gate structure formed in the active region in the peripheral circuit region, a conductive line structure formed on the buried gate structure, and at least a bit line contact plug formed in the memory cell region.
Non-volatile memory device employing a deep trench capacitor
A non-volatile memory device with a programmable leakage can be formed employing a trench capacitor. After formation of a deep trench, a metal-insulator-metal stack is formed on surfaces of the deep trench employing a dielectric material that develops leakage path filaments upon application of a programming bias voltage. A set of programming transistors and a leakage readout device can be formed to program, and to read, the state of the leakage level. The non-volatile memory device can be formed concurrently with formation of a dynamic random access memory (DRAM) device by forming a plurality of deep trenches, depositing a stack of an outer metal layer and a node dielectric layer, patterning the node dielectric layer to provide a first node dielectric for each non-volatile memory device that is thinner than a second node dielectric for each DRAM device, and forming an inner metal layer.
Semiconductor integrated circuits having contacts spaced apart from active regions
First and second active regions are doped with different types of impurities, and extend in a first direction and spaced apart from each other in a second direction. First and third gate structures, which are on the first active region and a first portion of the isolation layer between the first and second active regions, extend in the second direction and are spaced apart from each other in the first direction. Second and fourth gate structures, which are on the second active region and the first portion, extend in the second direction, are spaced apart from each other in the first direction, and face and are spaced apart from the first and third gate structures, respectively, in the second direction. First to fourth contacts are on portions of the first to fourth gate structures, respectively. The first and fourth contacts are connected, and the second and third contacts are connected.
Semiconductor device having fin-type patterns
The semiconductor device includes a substrate comprising first and second regions, in the first region, first and second gate electrodes formed parallel to each other on the substrate, and being spaced apart from each other by a first distance, in the second region, third and fourth gate electrodes formed parallel to each other on the substrate, and being spaced apart from each other by a second distance which is greater than the first distance, in the first region, a first recess formed on the substrate between the first and second gate electrodes, in the second region, a second recess formed on the substrate between the third and fourth gate electrodes, a first epitaxial source/drain filling the first recess and a second epitaxial source/drain filling the second recess, wherein an uppermost portion of an upper surface of the first epitaxial source/drain is higher than an uppermost portion of an upper surface of the second epitaxial source/drain.
Power semiconductor device having fully depleted channel regions
A power semiconductor device includes a semiconductor body coupled to first and second load terminal structures, and first and second cells each configured for controlling a load current and electrically connected to the first load terminal structure and to a drift region. A first mesa in the first cell includes a port region electrically connected to the first load terminal structure, and a first channel region coupled to the drift region. A second mesa included in the second cell includes a port region electrically connected to the first load terminal structure, and a second channel region coupled to the drift region. The mesas are spatially confined in a direction perpendicular to a direction of the load current by an insulation structure, and have a total extension of less than 100 nm in that direction. The first channel region includes an inversion channel. The second channel region includes an accumulation channel.
Semiconductor device structure and method for forming the same
A method includes forming a gate, a first dielectric layer, a first contact structure, and a second contact structure over a substrate. The first contact structure and the second contact structure are over a source region and a drain region respectively. The first dielectric layer surrounds the gate, the first contact structure, and the second contact structure. The method includes forming a second dielectric layer over the first dielectric layer. The second dielectric layer has an opening exposing the gate, the first contact structure, and the second contact structure. A conductive layer is formed in the opening to electrically connect the gate to the first contact structure and the second contact structure.
Semiconductor device and system including the same
A semiconductor device may be provided. The semiconductor device may include a first guard ring disposed in a first region, and a second guard ring disposed in a second region. The semiconductor device may include a first metal line and a second metal line respectively disposed over the first guard ring and the second guard ring, and respectively coupled to the first guard ring and the second guard ring. The semiconductor device may include a gate pattern coupled to the first metal line or the second metal line, wherein the first metal line and the second metal line are configured to respectively receive a first voltage and a second voltage. The second voltage may have a different potential from the first voltage.
Integrated fan-out structure with guiding trenches in buffer layer
A bottom package includes a molding compound, a buffer layer over and contacting the molding compound, and a through-via penetrating through the molding compound. A device die is molded in the molding compound. A guiding trench extends from a top surface of the buffer layer into the buffer layer, wherein the guiding trench is misaligned with the device die.
A light-emitting device of an embodiment of the present application comprises light-emitting units; a transparent structure having cavities configured to accommodate at least one of the light-emitting units; and a conductive element connecting at least two of the light-emitting units.
Display device using semiconductor light emitting device and fabrication method thereof
A display device including a growth substrate; a plurality of semiconductor light emitting devices grown on the growth substrate and disposed on one surface of the growth substrate; a plurality of through holes passing through the growth substrate at positions overlapping with the semiconductor light emitting devices; a wavelength conversion material filled into the through holes to convert a wavelength of light emitted from corresponding semiconductor light emitting devices; and a wiring substrate electrically connected to an electrode of the semiconductor light emitting devices disposed at an opposite side of the growth substrate by interposing the semiconductor light emitting devices therebetween.
A semiconductor package includes: a first semiconductor chip in which a through-electrode is provided; a second semiconductor chip connected to a top surface of the first semiconductor chip; a first connection bump attached to a bottom surface of the first semiconductor chip and including a first pillar structure and a first solder layer; and a second connection bump located between the first semiconductor chip and the second semiconductor chip, configured to electrically connect the first semiconductor chip and the second semiconductor chip, and including a second pillar structure and a second solder layer.
Semiconductor device and a manufacturing method of the semiconductor device
A semiconductor device including semiconductor units 20A to 20C that each include semiconductor elements 12 and 13, a unit case 11 sealing the semiconductor elements, and a first unit terminal 16 exposed inside a first recessed portion 11a provided in a top surface of the unit case; a first unit connection portion 40a including, in correspondence with each of the semiconductor units, a first connection terminal 43S connected to the first unit terminal, a first connection conductor 43S0 connected between a plurality of the first connection terminals, and a first connection conductor sealing portion 40a0 sealing the first connection conductor while exposing the first connection terminals; and first recessed sealing portions 45a that each, in correspondence with each of the semiconductor units, seal each connection portion between the first unit terminal and the first connection terminal inside a recess of the first recessed portion.