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Patent # Description
US-6,908,197 Prism with angular filter
A TIR prism for use in projection displays, which enables angular separation of input illumination and projection light. By controlling the critical angle of a...
US-6,907,235 Apparatus and method for canceling DC offset in communications signals
An apparatus for removing DC offset in a received data signal is presented. The apparatus measures the DC offset present in a data symbol and uses it to generate...
US-6,907,151 Optical coupling for a flip chip optoelectronic assembly
A flip chip optoelectronic device assembly includes a hollow, cylindrical spacer between an optical source in the substrate and the active surface of the chip,...
US-6,907,084 Method and apparatus for processing modulation symbols for soft input decoders
A method and apparatus for processing modulation symbols for soft input decoders using an efficient method of calculating an accurate log-likelihood ratio...
US-6,906,945 Bitline precharge timing scheme to improve signal margin
A memory circuit and method to improve signal margin is disclosed. The circuit includes a memory array arranged in rows 702, 704, 706 and columns 750, 752 of...
US-6,906,852 Wavelength discriminated image dithering
A method and system for providing a dithered image is provided. In one embodiment, a projector system for providing a dithered image includes a light source...
US-6,906,850 Capacitively coupled micromirror
A capacitively coupled microelectromechanical device comprising: a semiconductor substrate; a member operable to deflect to either of at least two states; and a...
US-6,906,738 Multispeed laser printing using a single frequency scanning mirror
A laser printer using a single frequency resonant mirror for providing the beam sweep for printing at a multiplicity of printing speeds. According to a first...
US-6,906,687 Digital formatter for 3-dimensional display applications
A 3-D digital projection display 60 that uses a quadruple memory buffer 63-66 to store and read processed video data for both right-eye and left-eye display....
US-6,906,658 Reducing droop in a reference signal provided to ADCs
An aspect of the present invention reduces droop in the reference signal provided to ADCs. A compensation resistor of appropriate resistance value is provided in...
US-6,906,563 Generating a waveform having one signal level periodically and different signal levels in other durations
Generating a waveform having one signal level periodically and different signal levels in other durations. Two input signals are received, one having a desired...
US-6,906,539 High density, area array probe card apparatus
A probe card apparatus comprising a rigid substrate having thermal expansion characteristics near that of silicon, laminated with a flex film having laser...
US-6,905,943 Forming a trench to define one or more isolation regions in a semiconductor structure
In one embodiment, a method for forming a semiconductor structure in manufacturing a semiconductor device includes providing a pad layer on a surface of a...
US-6,905,932 Method for constructing a metal oxide semiconductor field effect transistor
A semiconductor device (100) and a method for constructing a semiconductor device (100) are disclosed. A trench isolation structure (112) and an active region...
US-6,905,259 Tilt-in-place alignment system and method
Disclosed is a mounting system and method in which symmetrical springs are used about a collar in a gimbal system to capture an assembly of a ball and an optical...
US-6,905,215 Reduction or moire effect in pixelated rear-projection displays
An apparatus and method for reducing the moire effect in rear-projection displays by rotating the dark-stripe structure (711, 712) in the screen (71) 45.+-.15...
US-6,904,579 Reducing time to measure constraint parameters of components in an integrated circuit
Reducing the time required to measure constraint parameters (setup time, hold time and pulse width) of components in integrated circuits. For example, the delay...
US-6,904,474 Using write request queue to prevent bottlenecking on slow ports in transfer controller with hub and ports...
A data transfer technique between a source port and a destination port of a transfer controller with plural ports. In response to a data transfer request (401),...
US-6,904,264 Method requesting and paying for download digital radio content
The user receives a digital radio transmission through a digital receiver and transmits a request to download selected content from this transmission to a...
US-6,904,145 ADSL front-end in a low voltage process that accommodates large line voltages
The asymmetric digital subscriber line receive channel includes: first and second external resistors 20 and 22 coupled to a telephone line 24 and 26; a coarse...
US-6,904,106 Method and apparatus for spread spectrum interference cancellation
The interference cancellation (IC) system (500) includes a plurality of IC units, for which IC is applied. Each IC unit has its spread spectrum code generator,...
US-6,904,088 Efficient equalization for detection of symbols in digital burst transmissions
The detection of symbols in digital burst transmissions is improved by an equalizer (30) that initializes the values of only a subset of its filter coefficients...
US-6,903,918 Shielded planar capacitor
A shielded planar capacitor structure (202) is discussed, formed within a Faraday cage (210) in an integrated circuit device (200). The capacitor structure (202)...
US-6,903,780 Method of expanding high-speed serial video data providing compatibility with a class of DVI receivers
A method of expanding data to a high-speed serial video link in such a way that it is invisible to existing receivers and such that auxiliary data, i.e. audio...
US-6,903,615 Digitally-controlled oscillator with switched-capacitor frequency selection
A digitally-controlled oscillator (DCO) (60), such as may be used in clock generator or clock recovery circuitry in an integrated circuit, is disclosed. The...
US-6,903,602 Calibrated fully differential RC filter
A calibrated RC filter (4) includes a fully differential calibration circuit (10) and finite state machine (8) for determining processing variations in the...
US-6,903,539 Regulated cascode current source with wide output swing
System for a current source with enhanced output impedance. A preferred embodiment comprises a cascode current source arranged in a current mirror configuration...
US-6,903,000 System for improving thermal stability of copper damascene structure
Disclosed is a system for fabricating a semiconductor device (100). An interconnect structure (110) is formed on the semiconductor device (100) and a cap (112)...
US-6,902,939 Integrated circuit and method
A via etch to contact a capacitor with ferroelectric between electrodes together with dielectric on an insulating diffusion barrier includes two-step etch with...
US-6,901,524 Processor having real-time power conservation and thermal management
A real-time power conservation and thermal management apparatus and method for portable computers employs a monitor (40) to determine whether a CPU may rest...
US-6,901,521 Dynamic hardware control for energy management systems using task attributes
A multiprocessor system (10) includes a plurality of processing modules, such as MPUs (12), DSPs (14), and coprocessors/DMA channels (16). Power management...
US-6,901,126 Time division multiplex data recovery system using close loop phase and delay locked loop
A time division multiplex data recovery system using a closed-loop phase lock loop (PLL) and delay locked loop (DLL) is disclosed. In other words, one closed...
US-6,901,118 Enhanced viterbi decoder for wireless applications
A Viterbi decoder system is provided in accordance with the present invention. The decoder system includes a State Metric Update unit including a state metric...
US-6,900,969 ESD protection with uniform substrate bias
Protection circuitry (100) for protecting an integrated circuit against an ESD pulse is provided. The protection circuitry (100) includes a discharge circuitry...
US-6,900,918 Torsionally hinged devices with support anchors
A functional surface, such as a reflective surface, is supported by a pair of torsional hinges for pivoting about a first axis which in turn is supported by a...
US-6,900,910 Modulo addressing for look up table screening for printing files in a page description language
This invention involves approximating a gray scale tone with a more limited range image producer, a process known as screening. This invention reduces the time...
US-6,900,701 Automatic detection, selection and configuration of clock oscillator circuitry
Oscillator circuitry on an integrated circuit automatically detects the presence or absence of an external resistor which is used to bias and set the frequency...
US-6,900,656 Method of testing an integrated circuit and an integrated circuit test apparatus
A method of testing an Integrated Circuit (IC) and an IC test apparatus is provided. In one embodiment, the method of testing includes (1) applying a voltage to...
US-6,900,534 Direct attach chip scale package
A reliable, chip scale or flip chip semiconductor device which can be directly attached to a PC board without the use of an underfill material to absorb stress...
US-6,900,127 Multilayer integrated circuit copper plateable barriers
A trench (70) is formed in a dielectric layer (20). A first metal layer (80) is formed in the trench using physical vapor deposition. A second metal layer (100)...
US-6,900,123 BARC etch comprising a selective etch chemistry and a high polymerizing gas for CD control
A BARC etch comprises a selective etch chemistry in combination with a high-polymerizing gas for CD control. The BARC etch may be used in a via-first dual...
US-6,900,101 LDMOS transistors and methods for making the same
LDMOS transistor devices and fabrication methods are provided, in which additional dopants are provided to region of a substrate near a thick dielectric between...
US-6,898,849 Method for controlling wire balls in electronic bonding
A method for forming a substantially spherical free air ball on a fine non-oxidizable wire in a computerized bonder, which has a computerized flame-off (EFO)...
US-6,898,766 Simplifying integrated circuits with a common communications bus
When integrating a peripheral, it is common practice to use a fully custom design. Custom designs typically optimize performance, size, and energy usage....
US-6,898,749 IC with cache bit memory in series with scan segment
Low power delay test capabilities in Scan and Scan-BIST architectures occur by inserting a first cache bit memory between the scan input lead and the serial...
US-6,898,678 Shared memory with programmable size
A digital system is provided with a memory (42) that can be shared by two or more data requestors (10, 20). Two modes of access are provided. In a shared access...
US-6,898,544 Instruction register and access port gated clock for scan cells
A test cell (12) provides boundary scan testing in an integrated circuit (10). The test cell (12) comprises two memories, a flip-flop (24) and a latch (26), for...
US-6,898,534 DC measurement method and system using sigma-delta modulation pattern
Disclosed are methods, systems, and algorithms for accurately measuring a DC voltage signal (V.sub.in) using a sigma-delta modulator (36). The preferred...
US-6,898,418 Method of and apparatus for implementing adaptive downstream modulation in a fixed wireless communication system
Available quadrature amplitude modulation ("QAM") carriers transmittable by a base station to customer sites are substantially equally divided among the sites...
US-6,898,254 Turbo decoder stopping criterion improvement
A stopping criterion improvement for a turbo decoder that does not require division by a variable quantity. The stopping criterion improved upon generates a...
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