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Patent # Description
US-7,184,467 Method to mitigate effects of ISDN off/on transitions in ADSL
The present invention provides for a method and apparatus for allocating data to subchannels used for ADSL transmission over a communication link which supports...
US-7,184,458 Reduced subset scan and dual frequency wakeup for bluetooth inquiry operation
An inquiry message is transmitted successively on each of a first plurality of transmit frequencies (44 48) and thereafter successively on each of a second...
US-7,184,457 Spread spectrum path estimation
Spread spectrum rake receiver estimates number of paths within a chip interval and assigns corresponding fingers. Cross-correlation matrix eigenvalues or direct...
US-7,184,412 Method of increasing data rate in a wireless data communication network via clock switching
A method of increasing the data rate in a wireless Ethernet employs clock switching between the preamble and the encoded data portion of a packet structure. A...
US-7,184,393 Method and apparatus for multiuser access in a multicarrier modulation network
A multiple access system for a network using multicarrier modulation. To contend for service a subscriber station selects an upcoming frame in whose contention...
US-7,184,232 Apparatus and method for driving a write head
An apparatus for driving a write head in response to a data signal includes: (a) a first drive unit coupled with the write head; (b) a second drive unit coupled...
US-7,184,213 Rod integrators for light recycling
An integrating rod (200) for use with a multiple segment dynamic filter, such as a spiral dichroic color wheel having three or more narrow filters adjacent to...
US-7,184,201 Digital micro-mirror device having improved contrast and method for the same
According to one embodiment of the present invention, a digital micro-mirror device having improved contrast and a method for the same are provided. The digital...
US-7,184,080 Automatic white balancing via illuminant scoring
Automatic white balancing and/or autoexposure as useful in a digital camera extracts color channel gains from comparisons of image colors with reference colors...
US-7,183,860 Gain calibration of a digital controlled oscillator
A novel apparatus for and a method of estimating, calibrating and tracking in real-time the gain of a radio frequency (RF) digitally controlled oscillator (DCO)...
US-7,183,823 Method of generating a pulsed output signal from a periodic ramp signal and a reference voltage, and a switch...
In the proposed method of generating a pulsed output signal from a periodic ramp signal and a reference voltage, the linear range of duty cycles of the pulsed...
US-7,183,793 Systems and methods for reducing electromagnetic emissions from a controller area network transceiver
Systems are provided for reducing electromagnetic emissions from a controller area network transceiver. A driver circuit is operative to transmit communications...
US-7,183,789 Comparing on die response and expected response applied to outputs
A test controller applies test stimulus signals to the input pads of plural die on a wafer in parallel. The test controller also applies encoded test response...
US-7,183,657 Semiconductor device having resin anti-bleed feature
A device and a method for controlling resin bleed, the device comprising a substrate having a surface, wherein an interior region, a peripheral region, and an...
US-7,183,602 Ferroelectric capacitor hydrogen barriers and methods for fabricating the same
Hydrogen barriers and fabrication methods are provided for protecting ferroelectric capacitors (C.sub.FE) from hydrogen diffusion in semiconductor devices (102),...
US-7,183,570 IC with comparator receiving expected and mask data from pads
Test circuits located on semiconductor die enable a tester to test a plurality of die/ICs in parallel by inputting both stimulus and response patterns to the...
US-7,183,221 Method of fabricating a semiconductor having dual gate electrodes using a composition-altered metal layer
Fabricating a semiconductor includes depositing a metal layer outwardly from a dielectric layer and forming a mask layer outwardly from a first portion of the...
US-7,183,187 Integration scheme for using silicided dual work function metal gates
The present invention provides a method for manufacturing a semiconductor device and a method for manufacturing an integrated circuit including the semiconductor...
US-7,183,165 Reliable high voltage gate dielectric layers using a dual nitridation process
Dual gate dielectric layers are formed on a semiconductor substrate for MOS transistor fabrication. A first dielectric layer (30) is formed on a semiconductor...
US-7,182,469 High contrast projection
A method and system for improving the contrast ratio of a projected image. An asymmetric aperture stop improves the contrast ratio of a projected image. Using...
US-7,181,676 Layered decoding approach for low density parity check (LDPC) codes
A method of decoding in layers data received in a communication system, comprising receiving a codeword containing a plurality of elements and translating the...
US-7,181,192 Handheld portable automatic emergency alert system and method
In one embodiment, an automated emergency alert system includes a handheld portable communication device operable to initiate communication over a wireless...
US-7,181,167 High data rate closed loop MIMO scheme combining transmit diversity and data multiplexing
Closed loop multiple-antenna wireless communications system with antenna weights determined by maximizing a composite channel signal-to-interference-plus-noise...
US-7,181,073 Image coding using embedded zerotree patterns and bitplanes
An image coding method using wavelet decomposition and coding clusters of four-children coefficients bitplane-wise including value-bits for significance and...
US-7,181,065 Enhanced color correction circuitry capable of employing negative RGB values
Disclosed is a system for adjusting a plurality of component color signals for expanded color gamut displays. The disclosed system comprises an input for...
US-7,180,971 Selecting between two TAP circuits with MODE/TCK and TCK/MODE signals
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...
US-7,180,965 Phase estimation and compensation in orthogonal frequency division multiplex (OFDM) systems
Methods are presented for phase estimation and compensation in Orthogonal Frequency Division Multiplex systems. The methods include the step of extracting...
US-7,180,955 Parallel concatenated trellis-coded modulation with asymmetric signal mapping
Parallel concatenated trellis-coding modulation is accomplished by producing coded bits (21) from uncoded bits and also producing an interleaved version (22) of...
US-7,180,456 Antennas supporting high density of wireless users in specific directions
A low cost antenna in a base station suitable for deployment where high density of wireless users are present in specific directions (e.g., cross roads in urban...
US-7,180,319 Selecting groups of dies for wafer testing
Integrated circuit die on wafer are tested individually, without probing any of the die, using circuitry (TC1 8, BC1 8, LR1 8, RR1 8, PA1 PA4) provided on the...
US-7,180,275 DC-DC high frequency boost converter
A DC-DC high frequency boost converter with a supply voltage input (110), a boosted voltage output (112), a series circuit of an inductor (114) and a rectifying...
US-7,180,208 Switch structure for reduced voltage fluctuation in power domains and sub-domains
System and method for reducing voltage fluctuations in an integrated circuit with multiple power domains and sub-domains. A preferred embodiment comprises a...
US-7,180,159 Bipolar transistor having base over buried insulating and polycrystalline regions
A bipolar transistor in a monocrystalline semiconductor substrate (101), which has a first conductivity type and includes a surface layer (102) of the opposite...
US-7,180,141 Ferroelectric capacitor with parallel resistance for ferroelectric memory
Ferroelectric memory cells (3) are presented, in which a cell resistor (R) is integrated into the cell capacitor (C) to inhibit charge accumulation or charge...
US-7,179,751 Hydrogen plasma photoresist strip and polymeric residue cleanup process for low dielectric constant materials
A method (100) of fabricating an electronic device (200) formed on a semiconductor wafer. The method forms a layer (215) of a first material in a fixed position...
US-7,179,747 Use of supercritical fluid for low effective dielectric constant metallization
An embodiment of the invention is a method of manufacturing an integrated circuit. The method includes forming a capping layer of a back end structure (step...
US-7,179,738 Semiconductor assembly having substrate with electroplated contact pads
An apparatus comprising an insulating substrate (101) having first and second surfaces (101a, 101b) and a plurality of metal-filled vias (102) extending from the...
US-7,179,696 Phosphorus activated NMOS using SiC process
A method (10) of forming a transistor (100) includes treating (12) at least some of a semiconductor substrate (102) with carbon and then forming (18) a gate...
US-7,178,138 Method and tool for verification of algorithms ported from one instruction set architecture to another
The invention relates to a software system and method for automatically verifying the correct execution of an application ported from one instruction set...
US-7,178,080 Hardware-efficient low density parity check code for digital communications
A low density parity check (LDPC) code that is particularly well adapted for hardware implementation of a belief propagation decoder circuit is disclose& The...
US-7,177,965 Linking addressable shadow port and protocol for serial bus networks
Linking addressable shadow port (LASP) and protocol allows addressing the LASP and configuring the connection of multiple Secondary Test Access Ports (TAPs) of...
US-7,177,876 Speculative load of look up table entries based upon coarse index calculation in parallel with fine index...
A computer implemented method accesses data in a look up table via an index divided into a coarse index and a fine index. The method calculates the coarse index...
US-7,177,805 Simplified noise suppression circuit
A system for reducing noise in an acoustical signal comprises a sampler (104) for obtaining discrete samples of the acoustical signal, an analog to digital...
US-7,177,801 Speech transfer over packet networks using very low digital data bandwidths
A method of communicating speech across a communication link using very low digital data bandwidth is disclosed, having the steps of: translating speech into...
US-7,177,772 System and method for generating and measuring noise parameters
A method for measuring noise parameters includes generating a noise signal at a noise source. The noise signal includes a first input signal at a first frequency...
US-7,177,651 System and method for the exchange of location information in a telephone network
A wireless communications system is presented where a mobile station is able to automatically determine its proximity to a second mobile station or landline...
US-7,177,613 Reducing noise and distortion in a receiver system
A receiver, implemented with low noise and low distortion, to process an input signal containing signals of interest and unwanted interference signal. In an...
US-7,177,611 Hybrid control of phase locked loops
A hybrid digital and analog phase locked loop. A voltage controlled oscillator is provided, having a fine tune input, a coarse tune input and an output. A...
US-7,177,418 Power efficient ADSL central office downstream class G power switch
Systems and methods are provided for switching between power supply rail voltages for a differential driver device of a class G amplifier device. The amplifier...
US-7,177,401 TTY communication over packet networks
A system to enable TTY communication between a legacy TTY phone and an IP phone over a packet network using a TTY relay protocol established between the IP phone...
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