Patent application number | Description | Published |
20130113882 | VIDEO CODING SYSTEM AND METHOD OF OPERATION THEREOF - A method of operation of a video coding system includes: receiving a video bitstream; identifying a syntax type of the video bitstream; extracting a video syntax from the video bitstream for the syntax type; and forming a video stream based on the video syntax for displaying on a device. | 05-09-2013 |
20130163662 | VIDEO SYSTEM WITH QUANTIZATION MATRIX CODING MECHANISM AND METHOD OF OPERATION THEREOF - A method of operation of a video system includes: generating a quantization matrix for a video input data, the quantization matrix having a corner seed and a right-bottom sub-quad coefficient estimated based on the corner seed; generating a video bitstream based on the quantization matrix; and generating a reconstructed video data with the video bitstream for displaying on a video device. | 06-27-2013 |
20130188691 | QUANTIZATION MATRIX DESIGN FOR HEVC STANDARD - Quantization (scaling) matrices for HEVC standards using an HVS-based mathematical model and data analysis are described herein. A quadratic parameter model-based quantization matrix design is also included. | 07-25-2013 |
20130272371 | EXTENSION OF HEVC NAL UNIT SYNTAX STRUCTURE - HEVC NAL Unit extension structure enables use of extensions beyond the base NAL Unit structure. Besides using one of the reserved bits, there is no other impact in the “base” NAL Unit structure. In the extension part of this NAL Unit structure, syntax parameters are introduced with register type fixed byte-sizes. This extension process also provides a generic framework for various future combinations of scalability and multi-view coding extensions. | 10-17-2013 |
20140003487 | VIDEO CODING SYSTEM WITH TEMPORAL LAYERS AND METHOD OF OPERATION THEREOF | 01-02-2014 |
20140003534 | VIDEO CODING SYSTEM WITH TEMPORAL SCALABILITY AND METHOD OF OPERATION THEREOF | 01-02-2014 |
20140003535 | VIDEO CODING SYSTEM WITH LOW DELAY AND METHOD OF OPERATION THEREOF | 01-02-2014 |
20140086334 | VIDEO PARAMETER SET (VPS) SYNTAX RE-ORDERING FOR EASY ACCESS OF EXTENSION PARAMETERS - The HEVC VPS Syntax Structure is modified by re-ordering of some syntax parameters for the future HEVC Extensions in scalable video coding, multi-view coding and 3D video coding areas. This re-ordering enables external network devices such as middle-boxes to easily access of some of the useful parameters in VPS and its extension data that are able to be used for session negotiation and/or capability exchanges for better communication and system integration purposes. | 03-27-2014 |
20140192858 | JCTVC-L0226: VPS AND VPS_EXTENSION UPDATES - The VPS and vps_extension( ) syntax structures are updated with some cleanups for the HEVC Extensions in scalable video coding, multi-view coding and 3D video coding areas. In addition, four options of adding syntaxes to support mixed video sequences in various layers for the VPS extension are described. | 07-10-2014 |
20140192859 | JCTVC-L0227: VPS_EXTENSION WITH UPDATES OF PROFILE-TIER-LEVEL SYNTAX STRUCTURE - The profile_tier_level syntax structure of a High Efficiency Video Coding (HEVC) syntax structure is updated to provide more flexibility for use in the vps_extension( ) syntax structure for use in each layer or operating point. A new flag ‘LevelPresentFlag’ is added in profile_tier_level syntax structure to support the variance of Level parameters separately from the Profile/Tier Parameter. The update to the profile_tier_level syntax structure provides flexibility in selecting profile_tier and level parameters for HEVC selections in scalable video coding, multi-view coding and 3D video coding areas. | 07-10-2014 |
20140269934 | VIDEO CODING SYSTEM WITH MULTIPLE SCALABILITY AND METHOD OF OPERATION THEREOF - A method of operation of a video coding system includes: receiving a video bitstream; extracting a video syntax from the video bitstream; extracting a high efficiency video coding (HEVC) extension flag from the video syntax; extracting a video usability information (VUI) extension layer structure from the video syntax based on the HEVC extension flag; extracting an extension layer from the video bitstream based on the VUI extension layer structure; and forming a video stream based on the extension layer for displaying on a device. | 09-18-2014 |
Patent application number | Description | Published |
20140316261 | Life Detecting Radars - Systems and methods for detecting biometrics using a life detecting radar are disclosed. Life detecting radars can include transmit antennas configured to transmit continuous microwave (“CW”) radio signals that reflect back upon making contact with various objects. The signal can be systematically varied in frequency to provide a signal that is essentially continuous with short gaps between transmissions at different frequencies. The reflected return signals are received by one or more receive antennas and processed to detect one or more targets. The received signal can include a static (i.e. constant phase) signal corresponding to reflections from objects that do not move. The received signal can also include a phase varying signal that corresponds to reflections from a living target having measurable biometrics including (but not limited to) breathing patterns and heartbeats. Clutter can be removed and the remaining portions of the received signal are analyzed for target detection. | 10-23-2014 |
20150208945 | Microwave Radar Sensor Modules - Systems and methods for detecting biometrics using microwave radar sensor modules are disclosed. Integrated microwave sensor modules can include a transmitter unit configured to generate at least one continuous wave transmit signal based upon at least one frequency control signal, a receiver unit configured to utilize a cancellation path to cancel contributions to a return signal based upon at least one cancellation path control signal, and a microcontroller unit that includes a processor, a memory containing a microcontroller application, where the microcontroller application configures the processor to generate at least one frequency control signal to generate least one CW transmit signal having a plurality of frequencies, generate at least one cancellation path control signal to automatically adjust the cancellation path in real time, receive at least one demodulated signal, digitize the at least one demodulated signal, and update the at least one frequency control and cancellation path control signals. | 07-30-2015 |
20160048672 | HERMA - Heartbeat Microwave Authentication - Systems and methods for identifying and/or authenticating individuals utilizing microwave sensing modules are disclosed. A HEaRtbeat Microwave Authentication (HERMA) system can enable the active identification and/or authentication of a user by analyzing reflected RF signals that contain a person's unique characteristics related to their heartbeats. An illumination signal is transmitted towards a person where a reflected signal captures the motion of the skin and tissue (i.e. displacement) due to the person's heartbeats. The HERMA system can utilize existing transmitters in a mobile device (e.g. Wi-Fi, Bluetooth, Cellphone signals) as the illumination source with at least one external receive antenna. The received reflected signals can be pre-processed and analyzed to identify and/or authenticate a user. | 02-18-2016 |
Patent application number | Description | Published |
20110058510 | Power Management Of A Radio Data Transceiver - Methods and apparatuses for operating a wireless mobile station configured to communicate with a wireless access point are described. A sleep state may be maintained in which a radio frequency (RF) radio in the wireless mobile station is in a low power state. The wireless station may use a plurality of sleep states, each with a different sleep timer period based upon recent network activity. In one embodiment, a device may have two sleep states with two sleep timers, and in another embodiment a device may have three sleep timers for three sleep states. The first sleep time may be started for a first sleep state and to determine when to awake the device to determine whether there is any network activity. The device then determines whether a first period of network inactivity has occurred and, if so, it starts a second sleep timer for a second sleep state in response to determining that the first period of network inactivity has occurred. The method can further include determining whether a second period of network inactivity has occurred and, in response to determining that a second period of network inactivity has occurred, the device starts a third sleep timer for a third sleep state | 03-10-2011 |
20110059779 | Power Management Of A Radio Data Transceiver - Methods and apparatuses for operating a wireless mobile station configured to communicate with a wireless access point are described. A first awake timer may be started in response to receiving a beacon signal from the wireless access point. The beacon signal may indicate that data is available or pending for the wireless mobile station. A second awake timer may be started in response to data received from the wireless access point. When the second awake timer expires, the wireless mobile station may return to the sleep state. In one embodiment, the first awake timer counts for a first period of time and the second awake timer counts for a second period of time which is shorter than the first period of time. The RF radio may be in a higher power state when the first and/or the second awake timers are counting. In one embodiment, the wireless mobile station and the wireless access points may be synchronized using target beacon transmission times of the beacon signal. | 03-10-2011 |
20130122971 | POWER MANAGEMENT OF A RADIO DATA TRANSCEIVER - Methods and apparatuses for operating a wireless mobile station configured to communicate with a wireless access point are described. A first awake timer may be started in response to receiving a beacon signal from the wireless access point. The beacon signal may indicate that data is available or pending for the wireless mobile station. A second awake timer may be started in response to data received from the wireless access point. When the second awake timer expires, the wireless mobile station may return to the sleep state. In one embodiment, the first awake timer counts for a first period of time and the second awake timer counts for a second period of time which is shorter than the first period of time. The RF radio may be in a higher power state when the first and/or the second awake timers are counting. In one embodiment, the wireless mobile station and the wireless access points may be synchronized using target beacon transmission times of the beacon signal. | 05-16-2013 |
20140362726 | METHOD AND APPARATUS FOR COOPERATIVE CHANNEL SWITCHING - An apparatus and methods are provided for opportunistically conducting data communications on multiple wireless channels. In these methods, a device is engaged in data communications with a second device and receives a conflicting communication demand requiring action on one or more channels other than the data-communication channel (e.g., to conduct a channel scan, to issue or receive a beacon). The device arranges a schedule of channel switches to satisfy the communication demand and advises the second device of the schedule, and may explicitly invite the second device to implement the schedule. To the extent the second device does so, the data communications continue on the other channels. The devices may be participating in a synchronized peer-to-peer communication environment that requires their attendance on the data-communication channel and that is not associated with the other channels. | 12-11-2014 |
20150215864 | POWER MANAGEMENT OF A RADIO DATA TRANSCEIVER - Methods and apparatuses for operating a wireless mobile station configured to communicate with a wireless access point are described. A first awake timer may be started in response to receiving a beacon signal from the wireless access point. The beacon signal may indicate that data is available or pending for the wireless mobile station. A second awake timer may be started in response to data received from the wireless access point. When the second awake timer expires, the wireless mobile station may return to the sleep state. In one embodiment, the first awake timer counts for a first period of time and the second awake timer counts for a second period of time which is shorter than the first period of time. The RF radio may be in a higher power state when the first and/or the second awake timers are counting. In one embodiment, the wireless mobile station and the wireless access points may be synchronized using target beacon transmission times of the beacon signal. | 07-30-2015 |
20150351114 | REAL-TIME PEER-TO-PEER COMMUNICATIONS IN AN ENVIRONMENT THAT INCLUDES A RESTRICTED CHANNEL - An apparatus and methods are provided for conducting wireless data communications, particularly real-time data communications, in a communication environment that includes a restricted channel (e.g., a channel subject to Dynamic Frequency Selection or DFS). Two or more mobile communication/computing devices (e.g., smart phones, tablet computers) participate in a peer-to-peer network and engage in data communications while one or more of them operate on the restricted channel (e.g., to maintain an infrastructure communication connection). Their channel sequences are configured to maximize the efficiency of the data communication while satisfying restrictions of the restricted channel or avoiding that channel, and only require them to monitor one beacon interval. One or more of the devices may strategically roam to the restricted channel or away from the restricted channel, depending on which action will provide greater communication throughput or efficiency. | 12-03-2015 |
20160007167 | METHOD AND APPARATUS FOR COOPERATIVE CHANNEL SWITCHING - An apparatus and methods are provided for opportunistically conducting data communications on multiple wireless channels. In these methods, a device is engaged in data communications with a second device and receives a conflicting communication demand requiring action on one or more channels other than the data-communication channel (e.g., to conduct a channel scan, to issue or receive a beacon). The device arranges a schedule of channel switches to satisfy the communication demand and advises the second device of the schedule, and may explicitly invite the second device to implement the schedule. To the extent the second device does so, the data communications continue on the other channels. The devices may be participating in a synchronized peer-to-peer communication environment that requires their attendance on the data-communication channel and that is not associated with the other channels. | 01-07-2016 |
Patent application number | Description | Published |
20100321227 | Current Mode Analog-to-Digital Converter - A current-mode analog-to-digital converter includes: a current input node; a current-mode sample and hold circuit configured to output a steady source of electrical current having an analog value proportional to a sampled analog value of an electrical current at the current input node; and at least one current comparator that compares the electrical current output by the current-mode sample and hold circuit to at least one reference current to produce a digital representation of the sampled analog value of the electrical current at the current input node. | 12-23-2010 |
20110279133 | Electric Current Measurement - A method for measuring electric current applied to a load includes: with a sensor element having an inaccuracy, measuring an electric current supplied to a load to produce a measurement of the electric current; with the sensor element, measuring the electric current with an added perturbation current; and using measurements of the electric current taken with and without the perturbation current to refine the measurement of the electric current. | 11-17-2011 |
20120194223 | TIME-INTERLEAVED SAMPLE-AND-HOLD - A time-interleaved sample-and-hold system includes a first sample-and-hold circuit and a second sample-and-hold circuit. The first sample-and-hold circuit and the second sample-and-hold circuit share a common sampling switch. A method of remediating a timing offset between a first sample-and-hold circuit and a second sample-and-hold circuit in a time-interleaved sample-and-hold system includes switching at least one shunt capacitor disposed between two logic gates in a timing circuit to adjust a delay between a timing signal for a common sampling switch electrically coupled to the first and second sample-and-hold circuits and a timing signal for at least one of the sample-and-hold circuits. | 08-02-2012 |
20130120066 | REFERENCE BUFFER AMPLIFIER - A reference buffer amplifier within an integrated circuit includes a first output terminal connected to a first bond pad, the first bond pad being connected to a first external pin of the integrated circuit chip, the first external pin to allow an external capacitance to be connected to the output terminal. The reference buffer further includes a variable, settable resistance sub-circuit connected to a second bond pad, the second bond pad also being connected to the first external pin. The resistance sub-circuit is configured to be set to exhibit a resistance value to critically dampen a response of the reference buffer amplifier. | 05-16-2013 |
20130141261 | TIME-INTERLEAVED ANALOG-TO-DIGITAL CONVERTER BANDWIDTH MATCHING - A time-interleaved Analog-to-Digital Converter (ADC) includes a set of sub-ADC circuits. Each sub-ADC circuit comprises a sample-and-hold circuit. Each sample-and-hold circuit includes a bootstrap circuit for maintaining a constant voltage level between an input terminal of a switch and a gate terminal of the switch, the switch for switching between a sample mode and a hold mode. Each sample and hold circuit also includes a capacitor bank associated with the bootstrap circuit such that a setting of the capacitor bank affects an ON state intrinsic resistance of the switch by affecting the voltage level. | 06-06-2013 |
20130234870 | PIPELINED ADC STAGE FILTERS - A pipelined Analog-to-Digital Converter (ADC) stage includes a main sampling path having a first filter in series with a first sample and hold circuit and a sub-ADC sampling path having a second filter in series with a second sample and hold circuit driving a sub-ADC connected to a sub-Digital-to-Analog Converter (DAC). The frequency response of the main sampling path is matched to a frequency response of the sub-ADC sampling path such that a residue signal of the pipelined ADC stage stays within range. | 09-12-2013 |
20130265182 | TIME-INTERLEAVED ANALOG-TO-DIGITAL CONVERTER BANDWIDTH MATCHING - A time-interleaved Analog-to-Digital Converter (ADC) includes a set of time multiplexed sub-ADC circuits, each sub-ADC circuit comprising a sample-and-hold circuit. Each sample-and-hold circuit includes a bootstrap circuit for maintaining a constant voltage level between an input terminal of a switch and a gate terminal of the switch, the switch for switching between a track mode and a hold mode, and a capacitor bank associated with the bootstrap circuit such that a setting of the capacitor bank affects the voltage level. | 10-10-2013 |
20140152477 | Time Interleaving Analog-to-Digital Converter - A time interleaving Analog-to-Digital Converter (ADC) comprises a plurality of ADCs; a timing generator that generates a clock signal for each of the ADCs such that edges of said clock signals trigger sampling of an input signal by the ADCs; and a timing adjustment circuit to receive and adjust the clock signals before the clock signals are received by the ADCs such that samplings of said input signal are spaced in time and occur at a rate of 1/N times a desired sampling rate; and circuit for adjusting the bandwidth of the plurality of ADCs. | 06-05-2014 |