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Patent # Description
US-7,187,914 Rectifiers and rectifying methods for use in telecommunications devices
A signal strength indicator circuit including a set of rectifiers. The set of rectifiers include an asymmetric switching pair of rectifiers that may be...
US-7,187,722 Power reduction
There is disclosed a technique in which any peaks above a threshold level are reduced, but not clipped, such that the effects of such peaks is reduced. Although...
US-7,187,696 Selectable training signals based on stored previous connection information for DMT-based system
Training signals can be chosen based on stored prior connection information to reduce the use of extra tones in transmitted training signals and thereby improve...
US-7,187,061 Use of a down-bond as a controlled inductor in integrated circuit applications
A Radio Frequency (RF) device includes a semi conductive die and a package in which the semi conductive die mounts. The semi conductive die includes a first...
US-7,187,015 High-density metal capacitor using dual-damascene copper interconnect
An electronic structure having a first conductive layer provided by a dual damascene fabrication process; an etch-stop layer provided by the fabrication process,...
US-7,185,270 LDPC (low density parity check) coded modulation hybrid decoding
LDPC (Low Density Parity Check) coded modulation hybrid decoding. A novel approach is presented wherein a combination of bit decoding and symbol level decoding...
US-7,184,737 Image-rejection I/Q demodulators
In a communications receiver for quadrature demodulation, a feedback technique for reducing the image response of the receiver. The communications receiver...
US-7,184,735 Radio frequency integrated circuit having symmetrical differential layout
A radio frequency circuit includes a first differential RF path and a second differential path. The first differential RF path includes at least one RF block...
US-7,184,506 Frequency drift and phase error compensation in a VOFDM receiver
Improved frequency drift and phase error compensation in a VOFDM receiver. The invention is operable to compensate for frequency drift and phase error within a...
US-7,184,474 Colored noise detection algorithms
This invention provides colored noise detection algorithm(s). This colored noise detection algorithm(s) may be implemented with a multi-branch equalizer...
US-7,184,471 Method and apparatus for transmission line equalization
A modem receiver 10 receives a multitone signal with a cyclic extension of M samples on a channel 20. The receiver includes a time domain equalizer 14 that...
US-7,184,468 Method and system for implementing a conditional one's complement of partial address
Provided is a system and method for a modem including one or more processing paths. Also included is a number of interconnected modules sequentially arrayed...
US-7,184,441 Network switch stacking configuration
A network switch stack configuration includes a first network switch having a plurality of data ports, a first stacking port, and a first CPU interface. A second...
US-7,184,404 Programmable inter-packet gap generator with byte granularity
A process of generating an inter-packet gap in a network device is disclosed. First, it is determined whether a next packet is available to forward from a packet...
US-7,184,058 Graphics display system with anti-aliased text and graphics feature
A graphics integrated circuit chip is used in a set-top box for controlling a television display. The graphics chip processes analog video input, digital video...
US-7,183,858 Wireless transmitter having multiple programmable gain amplifiers (PGAs) with tuned impedance to provide...
A method and apparatus are provided for enabling a transmitter to have a substantially linear magnitude response and a substantially linear phase response. The...
US-7,183,845 Gain control methods and systems in an amplifier assembly
A Variable Gain Amplifier (VGA) amplifies an input signal according to a gain, to produce an amplified signal. A detector module detects a power indicative of a...
US-7,181,187 RF transmitter having improved out of band attenuation
A radio frequency transmitter includes a digital baseband and coding module, an inverse fast Fourier transform (IFFT) module, a complex digital filter, a complex...
US-7,180,951 Reduction of aggregate EMI emissions of multiple transmitters
A power efficient and reduced electromagnetic interference (EMI) emissions multi-transmitter system for unshielded twisted pair (UTP) data communication...
US-7,180,892 Voice and data exchange over a packet based network with voice detection
A signal processing system which discriminates between voice signals and data signals modulated by a voiceband carrier. The signal processing system includes a...
US-7,180,435 Low-complexity sampling rate conversion method and apparatus for audio processing
A low-complexity sampling rate conversion (SRC) method and apparatus for the processing of digital audio signals. A first stage upsamples an input audio signal...
US-7,178,992 Apparatus and method of signal detection in an optical transceiver
The present invention includes an optical transceiver having a fiber module with an optical data input and an electrical data output. The fiber module further...
US-7,177,988 Method and system for synchronizing processor and DMA using ownership flags
Provided is a system and method for a modem including one or more processing paths. Also included is a number of interconnected modules sequentially arrayed...
US-7,177,986 Direct access mode for a cache
A cache is configured to receive direct access transactions. Each direct access transaction explicitly specifies a cache storage entry to be accessed in response...
US-7,177,963 System and method for low-overhead monitoring of transmit queue empty status
A queue monitoring system and method determines when one or more transmit queues have reached a state that requires action by the host processing device, without...
US-7,177,894 Switching activity reduced coding for low-power digital signal processing circuitry
A system and method for reducing power consumption in digital circuitry by reducing the amount of unnecessary switching in such circuitry. An aspect of the...
US-7,177,662 Multimode wireless communication device
A multimode wireless communication includes a digital baseband processing module, an analog to digital converter module, a digital to analog converter module, a...
US-7,177,522 System and method for personal video recording
A system and method for personal video recording (PVR) is provided for recording digitally encoded streams, and for playing back and decoding the recorded...
US-7,177,421 Authentication engine architecture and method
Provided is an architecture (hardware implementation) for an authentication engine to increase the speed at which multi-loop and/or multi-round authentication...
US-7,177,374 Apparatus and method for sampling frequency offset estimation and correction in a wireless communication system
A method is described for correcting sampling frequency offset (SFO) of a data packet in a communications system where carrier frequency (f.sub.c) and sampling...
US-7,177,353 Architecture for very high-speed decision feedback sequence estimation
A method for providing a next-cycle input sample from a decision feedback equalizer to a symbol decoder using look-ahead computations such that timing contention...
US-7,177,278 Late frame recovery method
Method of processing a transmitted encoded media data stream is received. If a data element arrives prior to, or at, a predetermined playout deadline, the data...
US-7,177,225 Block redundancy implementation in heirarchical RAM'S
The present invention relates to a system and method for providing redundancy in a hierarchically memory, by replacing small blocks in such memory. The present...
US-7,176,817 Continuous time delta sigma ADC with dithering
The present invention employs a mixture of digital signal processing and analog circuitry to reduce spurious noise in continuous time delta sigma ...
US-7,174,490 Test system rider utilized for automated at-speed testing of high serial pin count multiple gigabit per second...
A testing system performs simultaneous automated at-speed testing of a plurality of devices that generate serial data signals having gigabit per second baud...
US-7,174,452 Method for processing multiple security policies applied to a data packet structure
A method and system for processing packets allows consolidation of security processing. Security processing is performed in accordance with multiple security...
US-7,174,358 System, method, and apparatus for division coupled with truncation of signed binary numbers
A system, method, and apparatus for dividing and truncating a dividend by a divisor, wherein the magnitude of the divisor is a positive power of two, e.g.,...
US-7,174,259 System and method for detecting a device requiring power
A system and technique for detecting a device that requires power is implemented with a power detection station. The power detection system includes a detector...
US-7,174,144 Calibration of a phase locked loop
Calibration of a phase locked loop and applications thereof within a radio frequency integrated circuit begins by determining an intersection of an up current...
US-7,174,085 Apparatus and method of seamless switching between a live DTV decoding and a PVR playback
Methods and apparatus for switching between a live video decoding and a recorded playback in a digital video and recording system. A received video data stream...
US-7,173,867 Memory redundancy circuit techniques
In a memory module having a designated group of memory cells assigned to represent a logical portion of the memory structure, a memory redundancy circuit having...
US-7,173,505 Tuning RF circuits using switched inductors provided in a monolithic integrated circuit
A Radio Frequency (RF) circuit includes an active portion and a tuned portion. The active portion receives an RF signal and that operates upon the RF signal. The...
US-7,171,739 Method of manufacturing an on-chip transformer balun
A method of manufacturing an on-chip transformer balun includes creating, on a semiconductor substrate, a primary winding having at least one substantially...
US-7,171,521 Coherent shared memory processing system
A shared memory system includes a plurality of processing nodes and a packetized input/output link. Each of the plurality of processing nodes includes a...
US-7,171,355 Method and apparatus for one-stage and two-stage noise feedback coding of speech and audio signals
Codec structures for achieving two-stage prediction and two-stage noise spectral shaping at the same time, resulting in a Two-Stage Noise Feedback Coding (TSNFC)...
US-7,171,183 Linearized fractional-N synthesizer having a current offset charge pump
A linear fractional-N synthesizer includes phase and frequency detection module, a charge pump circuit, a loop filter, a voltage controlled oscillator, and a...
US-7,171,179 Adjustment of a received signal strength indication module
A method for adjusting a received signal strength indication (RSSI) begins by obtaining a first RSSI value of a first signal, wherein the first signal has a...
US-7,170,965 Low noise divider module for use in a phase locked loop and other applications
A low noise divider module includes a divider chain and a retiming module. The divider chain includes a plurality of cascaded dividers and a plurality of load...
US-7,170,964 Transition insensitive timing recovery method and apparatus
A timing recovery circuit comprises a data-driven phase detector and a digital loop filter. The data-driven phase detector is operably coupled to determine at...
US-7,170,882 Media exchange network supporting remote peripheral access
Systems and methods that provide remote access are described. In one embodiment, a system may include, for example, a plurality of communication devices and a...
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