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Patent # Description
US-6,650,191 Low jitter ring oscillator architecture
A low power and low jitter CMOS ring oscillator having a novel architecture that includes fully symmetrical differential current steering delay cells. This novel...
US-6,650,100 Bootstrap technique for a multiple mode switching regulator
A multiple mode switching regulator with a bootstrap technique includes an inductor 20; a high side input switch 22 coupled to a first end of the inductor 20; a...
US-6,650,093 Auxiliary boundary regulator that provides enhanced transient response
The regulator circuit with an auxiliary boundary regulator that provides enhanced transient response includes: an upper comparator 24 having a first input...
US-6,650,089 Control circuit for multiple battery systems with capacity gauge on end equipment
A capacity gauge is provided that measures a selected battery capacity of a plurality of batteries in a multiple battery system. A capacity gauge and a battery...
US-6,650,082 Fast rotor position detection apparatus and method for disk drive motor at standstill
The invention includes a method and apparatus for detecting the position of a stationary rotor in a polyphase electric motor. The method includes providing one...
US-6,650,011 Porous ceramic work stations for wire and die bonders
A work station for a chip bonder, and/or for a wire bonder includes a clampless, porous ceramic vacuum chuck where the substrate under assembly is securely and...
US-6,649,983 Vertical bipolar transistor formed using CMOS processes
A vertical bipolar transistor is described which utilizes ion implantation steps which are used to form an nMOS field effect device and a pMOS field effect...
US-6,649,435 Precision micromirror positioning
A system and method of aligning a micromirror array to the micromirror package and the micromirror package to a display system. The system and method improve the...
US-6,649,308 Ultra-short channel NMOSFETS with self-aligned silicide contact
The ultra-short channel transistor in a semiconductor substrate includes a gate structure that is formed on the substrate. Side-wall spacers are formed on the...
US-6,648,709 Reflector alignment tool for projection illumination systems
An alignment tool (300) designed to replace a high-powered lamp with a low-powered lamp to facilitate safe alignment of a projector lamp console. The alignment...
US-6,647,525 Electronics testing circuit and method
An electronics testing circuit comprises a tested circuit (12) which includes testing cells (30,32) and a first transceiver (54) coupled to the cells (30,32)....
US-6,647,511 Reconfigurable datapath for processor debug functions
A reconfigurable datapath (13b), which may be alternatively configured for various debug modes. These modes include a breakpoint mode (20), counter mode...
US-6,647,071 Method and apparatus for equalization and tracking of coded digital communications signals
A method for symbol detection using a decision feedback equalizer loop is provided comprising the steps of generating a delay-less symbol estimate from data...
US-6,647,070 Method and apparatus for combating impulse noise in digital communications channels
This invention is particularly useful as a system for digital communications over channels that suffer from impulse noise, and particularly over return cable TV...
US-6,647,069 Method and apparatus for capacity increase and enhanced communications performance in CATV networks
In a cable television (CATV) data communication network, channel throughput and communications robustness are increased in a manner that improves speed of data...
US-6,646,925 Method and system for discharging the bit lines of a memory cell array after erase operation
A method for use in erasing data stored in a memory cell includes asserting a voltage differential across a tank region and a gate region of the memory cell,...
US-6,646,761 Efficient under color removal
A method of performing color space conversion and under color removal. Pixelated data is first resampled (102) to an efficient word size--typically 8-bits wide....
US-6,646,584 Circuit design technique for increasing the bandwidth of sample-and-hold circuits in flash ADCs
An analog-to-digital converter to convert an analog signal to a digital signal, including a sample-and-hold circuit to sample and hold the analog signal and to...
US-6,646,513 Oscillator circuit having an improved capacitor discharge circuit
An oscillator circuit (300) disclosed herein includes an improved capacitor discharge circuit. The oscillator includes at least one capacitor coupled to a...
US-6,646,498 High frequency tunable filter
An integrated circuit (ICT) comprising a filter (50). The filter comprises an input (.upsilon..sub.in +) for receiving an input signal and an output (56) for...
US-6,646,495 Threshold voltage adjustment scheme for increased output swing
The present invention provides increased output swing by connecting a buffer backgate to an upper rail potential (125) during the no load current condition. This...
US-6,646,460 Parallel scan distributors and collectors and process of testing integrated circuits
An integrated circuit (70) having parallel scan paths (824-842, 924-942) includes a pair or pairs of scan distributor (800,900) and scan collector (844,944)...
US-6,646,446 Method and apparatus for fault detection in a resistive bridge sensor
A full Wheatstone bridge sensor has conditioning electronics of an ASIC connected thereto. Two independently controlled diagnostic switches (S1, S2) in the ASIC...
US-6,646,425 Multi-cell voltage regulator and method thereof
The present invention relates to multi-cell regulator systems and methods. Power supply delivery and regulation is provided to electronic devices disposed on a...
US-6,646,420 Method of interrupting and dynamically switching ranges to improve battery charge measurement range in a sigma...
A method of improving the battery charge measurement range in a sigma delta converter associated with portable applications such as a cell phone is implemented...
US-6,646,323 Zero mask high density metal/insulator/metal capacitor
The present invention is directed to a structure and method of forming an integrated circuit MIM capacitor having a relatively capacitance without the need for...
US-6,646,311 Vertical bipolar transistor formed using CMOS processes
A vertical bipolar transistor is described which utilizes ion implantation steps which are used to form an nMOS field effect device and a pMOS field effect...
US-6,646,223 Method for improving ash rate uniformity in photoresist ashing process equipment
A method for improving the edge-to-center photoresist ash rate uniformity in lower temperature (typically, but not limited to <100.degree. C.) processing of...
US-6,645,878 Low volatility solvent-based method for forming thin film nanoporous aerogels on semiconductor substrates
This invention has enabled a new, simple thin film nanoporous dielectric fabrication method. In general, this invention uses glycerol, or another low volatility...
US-6,645,840 Multi-layered polysilicon process
A method for forming a notched MOS gate structure is described. A multi-layer gate structure is formed (150) where the top layer (140) oxidizes at a faster rate...
US-6,645,821 Method of producing a thin film resistor in an integrated circuit
A thin film resistor (60) is contained between two metal interconnect layers (40, 100) of an integrated circuit. Contact may be made to the resistor (60) through...
US-6,645,804 System for fabricating a metal/anti-reflective coating/insulator/metal (MAIM) capacitor
Disclosed is a system for fabricating an integrated circuit capacitor (100). An electrode layer (102) is formed in the integrated circuit. An anti-reflective...
US-6,645,781 Method to determine a complete etch in integrated devices
In an integrated device, an etch is performed in an intermediate layer to form a via. The via is inspected using a scanning electron microscopy. The scanning...
US-6,645,684 Error reduction in semiconductor processes
A photolithography system includes a photolithography tool 32 that includes a stage upon which a semiconductor wafer is mounted. The tool is operable to move the...
US-6,644,820 Temperature stabilized mirror for switching optical signals
A temperature stabilized optical mirror is disclosed. A rotatable mirror for switching optical light signals between optical fibers is mounted on a support...
US-6,643,952 System and method for controlling a vapor dryer process
A system and method are disclosed including a vapor dryer chamber (12) with a lid (14). A heater (16) is disposed within the vapor dryer chamber to vaporize...
US-6,643,810 Integrated circuits carrying intellectual property cores and test ports
An integrated circuit (100) includes functional input and output signal leads (101,111), input and output circuits (102,112) connected to the functional input...
US-6,643,803 Emulation suspend mode with instruction jamming
Emulation and debug circuitry is provided that can be incorporated into a variety of digital systems. A stop mode of operation is provided in which an associated...
US-6,643,751 System and method for limited access to system memory
A hardware latch for limiting access to protected system memory. An N-bit bus provides the instructions executed by the system to a combinatorial logic block...
US-6,643,731 Low cost memory management that resists power interruption
A system and method for reliably managing a Flash ROM memory resource while preserving the integrity of the data held in the memory in spite of power outages...
US-6,643,499 Apparatus and method for controlling a phase-locked loop circuit
A first and second phase-locked loop each having their frequency of operation under programmable control by changing the divider ratio. A single programming word...
US-6,643,338 Space time block coded transmit antenna diversity for WCDMA
A mobile communication system is designed with an input circuit coupled to receive a first plurality of signals (r.sub.j (i+.tau..sub.j), i=0-N-1) during a first...
US-6,643,323 Digital filtering method
A method of implementing a digital filter utilizes a fast and accurate reciprocal estimate function to generate and recharacterize the digital filter on the fly....
US-6,643,278 Wireless network circuits, systems, and methods for frequency hopping with reduced packet interference
A method (10) for determining a frequency hopping sequence for a newly-entering network. The method comprises the step of scanning (16) a plurality of frequency...
US-6,643,069 SLM-base color projection display having multiple SLM's and multiple projection lenses
An optical unit (20, 30) for color projection display system that has three SLMs (21, 31) and three projection lenses (27, 37). Each SLM (21, 31) receives light...
US-6,642,969 Color wheel for a falling raster scan
A dichroic spiral color wheel (108) having many spiral-shaped color filters (206). The boundary between adjacent color filters follows the spiral of Archimedes,...
US-6,642,869 Piecewise linear calibration method and circuit to correct transfer function errors of digital to analog converters
A calibrated digital-to-analog converter (DAC) (15') has a main DAC (17) having a digital input and an analog output. An on-chip memory (21) stores measured INL...
US-6,642,832 ARC responsive thermal circuit breaker
A circuit breaker (10) has a current carrying bimetallic element (18) which bends upon self-heating and upon being subjected to a selected overload current...
US-6,642,795 Fast recovery time precision amplifier
An amplifier with a electrically controllable gain and enhanced protection against an overload condition is disclosed. The amplifier contains a buffer amplifier...
US-6,642,789 Operational amplifier input stage and method
A precision operational amplifier operating in single supply mode, including a single differential transistor input pair and a cascoded CMOS transistor pair,...
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