At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.
Single lead alternating TDI/TMS DDR JTAG input
A process and apparatus provide a JTAG TAP controller (302) to access a JTAG TAP domain (106) of a device using a reduced pin count, high speed DDR interface...
Selectable dual mode test access port method and apparatus
A process of selecting alternative test circuitry within an integrated circuit enables a test access port. Scan test instruction data is loaded into an...
Register file bypass with optional results storage and separate
predication register file in a VLIW processor
This invention makes each register bypass forwarding register explicitly addressable in software. Software chooses whether to access the forwarding register...
Method and apparatus for producing an index vector for use in performing a
vector permute operation
A method for generating a permutation index vector includes receiving a condition vector and performing an index generation function using the condition vector...
High-speed integer multiplier unit handling signed and unsigned operands
and occupying a small area
A high-speed integer multiplier unit multiplying operands, wherein each operand can be either signed or unsigned. Type data is received for each operand which...
In MIMO wireless communications employing LMMSE receiver, the symbols transmitted through a transmit antenna are estimated at the receiver in the presence of...
Methods and apparatus for decision feedback equalization with dithered
Methods and apparatus for decision feedback equalization with dithered updating are disclosed. An example method to equalize a received signal sample...
Efficient transmission of packets within a network communication device
Systems and methods for efficient transmission of packets within a network communication device are described herein. Some illustrative embodiments include a...
Device, system and/or method for managing packet congestion in a packet
A network infrastructure device includes a receiver operable to receive packets when operably connected to a communication network; and a processor cooperatively...
Rear-projection screen for projection video display system, method of
rear-projection collimation and...
Various embodiments of a rear-projection screen, a method of rear-projection collimation and a projection video display (PVD) system. In one embodiment, a...
An apparatus is provided. The apparatus comprises a sample and hold circuit, a converter, and an adjustable current circuit. The sample and hold circuit is...
Crystal oscillator circuit with amplitude control
A crystal oscillator circuit includes a capacitive load stage coupled to a crystal; an amplifier stage including an amplifying transistor coupled to the crystal...
Reducing power consumption in an amplification stage driving a sample and
hold circuit while maintaining linearity
An input signal to be sampled by a sample and hold circuit is amplified separately by two amplifiers. The output of the first amplifier is provided to a boost...
On-chip servo loop integrated circuit system test circuitry and method
Internal servo loop circuitry is included on the same chip (10C) with an ADC (10B). Automatic test equipment (12) operates with the internal servo loop circuitry...
Contactless testing of wafer characteristics
Systems and methods are provided for contactless testing of a wafer containing at least one integrated circuit. A test component responds to a supply voltage to...
Full backside etching for pressure sensing silicon
The formation of a semiconductor sensing device is disclosed, where the device can be used to sense pressure, for example. The device is formed by etching the...
Method for cleaning post-etch noble metal residues
A method of manufacturing a semiconductor device is presented. In one aspect, the method comprises forming conductive and ferroelectric material layers on a...
Low temperature polysilicon oxide process for high-K dielectric/metal gate
A method for preventing oxidation in a high-k dielectric/metal gate stack in the manufacture of an integrated circuit device is disclosed. In a detailed...
Power semiconductor devices having integrated inductor
An electronic device (100) with one or more semiconductor chips (102) has an inductor (101) assembled on or under the chips. The inductor includes a...
Efficient protocol for encoding software pipelined loop when PC trace is
A software pipelined loop tracing method involves inhibiting an output of trace data at a start of a software pipelined loop (SPLOOP). A skip in an output trace...
Debug event instruction
Last stall information is transmitted if the last stall standing function is enabled, one of the stall elements was active during the last clock cycle, no stall...
Speculative data loading using circular addressing or simulated circular
This invention prevents illegal memory address faults on speculative data loads. Circular addressing of the address pointer limits memory access to a range of...
Saving resources by deducing the total prediction events
While PC trace is on, and the trace is in predication or general event profiling mode, trace hardware captures events in each cycle. Trace hardware inserts this...
Comma free codes for fast cell search using tertiary synchronization
A method of processing data comprises the receiving a frame of data having a predetermined number of time slots (502,504,506). Each time slot comprises a...
Plural circuit selection using role reversing control inputs
Data is communicated through two separate circuits or circuit groups, each having clock and mode inputs, by sequentially reversing the role of the clock and mode...
Tracking error detection and correction methods and apparatus
The objective of this invention is to perform high-precision tracking error detection and tracking control using digital circuitry at relatively low speed and...
Motion estimation using early decision for goodness of estimation with
quick convergence feedback
This invention is a method for speeding up block matching based motion estimation for video encoder. The invention 1) calculates statistics for a candidate...
Efficient receiver architecture for transmit diversity techniques
Transmit diversity (TD) has become a common technique used in modern wireless communications systems to improve performance. TD uses multiple antennas (e.g., 110...
Method to improve sensitivity of decoding time of a global positioning
system receiver at low signal to noise ratio
A method and an apparatus to improve sensitivity of decoding time of a global positioning system (GPS) receiver at low signal to noise ratio is disclosed. In one...
Illumination source and method therefor
An illumination source and a method therefor. A light source includes a light circuit configured to process light and direct light, and a lighting element...
Hinge memory mitigation system and method
Provided are a system and method for reducing failures due to hinge memory. The method, in one embodiment, includes providing a torsional element having an...
Sigma delta digital to analog converter with wide output range and
A sigma delta DAC using a single DAC to generate a first analog quantity portion and a second analog quantity portion, having a strength respectively...
Method and apparatus for reducing silicon area of a phase lock loop (PLL)
filter without a noise penalty
In a method and system for filtering an input signal with a filter included in a phase locked loop (PLL), a unidirectional feedback path is configured from an...
Glitch reduced delay lock loop circuits and methods for using such
Delay lock loop circuits are described, which may include two or more delay stages that each includes a plurality of selectable delay elements. A reference...
Process and temperature insensitive flicker noise monitor circuit
In an apparatus and method for monitoring defects in wafers, a monitoring circuit is fabricated on an area of each one of the wafers. The monitoring circuit...
Methods and apparatus to provide self-tracking pre-driver controls
Methods and apparatus for a self-tracking high-side pre-driver control are described. In an example, a method is described comprising charging a first terminal...
CD gate bias reduction and differential N+ poly doping for CMOS circuits
A method of fabricating a CMOS integrated circuit includes the steps of providing a substrate having a semiconductor surface, forming a gate dielectric layer on...
Tasks distribution in a multi-processor including a translation lookaside
buffer shared between processors
A system comprises a first processor, a second processor coupled to the first processor, an operating system that executes exclusively only on the first...
Command re-ordering in hub interface unit based on priority
Command reordering in the hub interface unit (HIU) of Enhanced Direct Memory Access (EDMA) functions is described. Without command reordering in the EDMA,...
Multi-port trace data handling
A method of trace data compression receives trace data on a first port and a second port stores a prior data value. If trace data is received on only one port,...
Multiplying symbol streams by rectangular matrix of (P/M).times.1 vectors
Closed loop multiple-antenna wireless communications system with antenna weights determined by maximizing a composite channel signal-to-interference-plus-noise...
Room impulse response
Audio loudspeaker and headphone virtualizers and methods use room impulse responses with modified individual head-related transfer functions prior to...
Audio bandwidth expansion
Bandwidth expansion for audio signals by frequency band translations plus adaptive gains to create higher frequencies; use of a common channel for both stereo...
Spectral emission shaping sigma delta modulator for wireless applications
A novel sigma delta amplitude modulator having a noise transfer function adapted to shift quantization noise outside at least one frequency band of interest. In...
Hard disk drive preamplifier with reduced pin count
A disk drive controller including a preamplifier and a controller is disclosed, in which communications between the controller and the preamplifier are carried...
Integrated circuit for scan driving
An integrated circuit is provided for scan driving that can significantly reduce the chip size. In first region AODD, odd-numbered output pads OUT1, OUT3, . . ....
Harmonic characterization and correction of device mismatch
An apparatus and method fore harmonic characterization and ratio correction of device mismatch between coarse and fine varactor tuning devices within a segmented...
Integrated virtual voltage circuit
The present invention provides an integrated virtual voltage circuit for use with a sub-circuit. In one embodiment, the integrated virtual voltage circuit...
LDO with large dynamic range of load current and low power consumption
An electronic device has an LDO regulator for varying loads. The LDO regulator includes a primary supply node coupled to a primary voltage supply. An output node...
Semiconductor chip having a photodiode
A semiconductor chip that has a photodiode formed on it, a semiconductor device including the semiconductor chip, and manufacturing methods thereof. A second...