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Digital-to-analog converter with noiseshaping modulator, commutator and
plurality of unit converters, and method
A digital-to-analog converter (200) has a first portion (208) which receives a digital input signal X (201') and has serially coupled a second portion (209)...
Power amplification apparatus and method therefor
A method and apparatus for efficiently amplifying input signals includes multiple amplifiers (20, 30). Each amplifier receives a signal from a power divider (12)...
Power supply distributed load startup system
A power supply system (300) provides a staged startup of multiple loads (303, 305). Preferably, the power supply (300) is a switching power supply that provides...
Method of forming an interconnect structure with a graded composition
using a nitrided target
A method for forming an interconnect structure on a semiconductor wafer (114) begins by placing the wafer (114) in a process chamber (100). The process chamber...
Method for chemical mechanical polishing a semiconductor device using
Conductive plugs (28) are formed in a semiconductor device (10) using a chemical mechanical polishing (CMP) process. A blanket conductive layer (26), for example...
CMOS semiconductor devices and method of formation
In one embodiment, a metal layer (18) is formed over a gate dielectric layer (14, 16) on a semiconductor substrate. A masking layer (20) is patterned to mask a...
Cigarette lighter adapter
Data processing system for controlling execution of a debug function and
A central processing unit (2) and a debug module (10) execute concurrent operations without requiring a data processor (3) to operate in a special debug mode....
Configurable cryptographic processing engine and method
A configurable cryptographic processing engine (100) provides high performance cryptographic processing support for symmetric combiner type cryptographic...
Method for providing software to a remote computer
A communication system (100) employs a method for providing software to a remote computer (e.g., 116) or network server (e.g., 114). The remote computer (or...
Apparatus for providing dispatch service to an existing telephone network
A dispatch controller (103) located logically external to an existing telephone network (101) is coupled to the existing telephone network. When an originating...
Carry case and external electronic accessory assembly
A carry case and electronic accessory assembly (100) provides direct interconnection between an external electronic accessory (104) and a portable radio (202)...
Method and apparatus for reducing a ripple signal in an output of a
direct current power supply
A method and apparatus reduces an output ripple signal of a power supply (200) for supplying a DC voltage and current to a load. One of the output ripple signal...
Wireless packet data communications modem and method of use therein
A computing device (100) including a wireless packet data communications modem (101) used in conjunction with a computer (103) to provide untethered access to...
Vertical cavity surface emitting laser device having an extended cavity
An extended VCSEL structure formed of a first DBR mirror, an active region, a second DBR mirror as partial reflector, and an extended cavity provided by a...
Apparatus, system and method for a unified circuit switched and
packet-based communications system architecture...
An apparatus (105), system (100) and method is provided for a unified circuit switched and packet-based communications system architecture having network...
Quantum random address memory
Quantum random address memory apparatus including a low dimensional plurality of address ports, a plurality of nano-memory elements, mixer elements coupling the...
Charge pump circuit and method for generating a bias voltage
A charge pump (102) and method of charge pumping a low voltage (V.sub.DD)) to generate a higher voltage (V.sub.PP). A primary pump (160, 179, 180) receives...
Unitary contact block and printed circuit board
Described is an integral electrical contact block and printed circuit board for an electrical device. The electrical contacts arch over components on the printed...
Method for providing a gray scale in a field emission display
A method for providing a gray scale in a field emission display (50) includes the step of providing a first driving pulse (214) having a pulse width equal to a...
Antenna with absorptive radiation shield
An antenna (100) includes a radiating element (202) covered with a protective jacket having at least one pocket selectively located therein. The at least one...
Method and apparatus for amplifying a signal
According to the method and apparatus of the present disclosure, dual drain control uses a variable voltage supply on the drains of a first stage (302) and a...
Programmable switch matrix and method of programming
A switch network (22) in a Field Programmable Gate Array (FPGA) which operates as a combination of a programming transistor (34) and a ferroelectric transistor...
Passivation of oxide-compound semiconductor interfaces
A method of passivating interface states of oxide-compound semiconductor interfaces using molecular, atomic, or isotopic species wherein said species are applied...
Process for patterning magnetic films
A process of patterning magnetic multilayer films including the steps of successively depositing a plurality of magnetic multilayer films on a supporting...
Feeder for supplying electrical components to a pick up location
A feeder (1) for supplying magnetically attractable electrical components (20) to a pick-and-place machine. The feeder (1) comprises a hopper (2) for storing the...
Multi-stage pipelined data coalescing for improved frequency operation
To implement full gathering of data transfers from a processor to a system bus without adding many levels of logic to the write enable logic for transaction...
Signal processor and method for fast Fourier transformation
With reference to FIG. 1 signal processor (10) for performing transformations of sets of input data points comprises a memory for storing a first half input data...
Method for controlling a diversity receiver apparatus in a radio
A radio subscriber unit (102) has a diversity receiver apparatus (106) including a first antenna (114) and a second antenna (116). A first representation (158)...
Mass excited acoustic device
A mass excited acoustic device (1100) includes a soundboard (1102), a pedestal (1104) and a transducer (300). The soundboard (1102) has a predetermined resonance...
Vertical cavity surface emitting laser array with integrated
A vertical cavity surface emitting laser array with an integrated PIN photodiode. The PIN photodiode includes a first region of a first doped material, a second...
Liquid crystal display driver system and method therefor
An LCD Driver System (10) includes a row decoder (38) for providing command signals to row drivers (50) and a RAM row decoder (64) for controlling a RAM (76)...
Projection system for a computer
A projection system for a computer has an electronic slide (94) that is coupled to an electronic image signal (84) from a processor (82) in the computer (50)....
Method and apparatus for effecting channel acquisition
Methods of and corresponding apparatus for scheduling messages on an operating channel (223) in a selective messaging system (200) for a messaging unit (235)...
Pulse width modulation circuit and method
A circuit and method for producing a train of pulse width modulated pulses (FIG. 2), the circuit comprising: pulse producing means (11-16) for receiving sample...
Self-tuning and temperature compensated voltage controlled oscillator
A self-tuning VCO (116) receives a control voltage input (Vcont) (114) and an adjustable programmable voltage (Vadj) (122) and provides optimized locked...
CMOS circuit for providing a bandcap reference voltage
A low voltage submicron CMOS circuit (10) for providing an output bandgap voltage (V.sub.BG) that is substantially independent of temperature and power supply...
Optimized method for determining remaining life cycles in a rechargeable
A method (200) of estimating existing and/or remaining life cycles of a battery pack (102) having an internal battery cell (104) and battery pack circuitry (110)...
Method and apparatus for electronically commutating an electric motor
In a method for operating a brushless motor with commutated stator excitation and permanent rotor field, the stator is initially energized partly. Depending on...
Adaptive motor control circuit and method
An electric motor (101) is driven with a sequence of drive pulses (V.sub.151, V.sub.153, V.sub.155) applied to its coils (131-135). The drive pulse widths are...
Parabolic signal generator
A parabolic signal generator (100) for use in a cathode ray tube (CRT) display circuit, comprising: programmable delay means (110) for receiving a CRT horizontal...
Semiconductor heater and method for making
A sealable air gap (14) is formed between a heating element (16) and a base (11) to improve the thermal isolation of a semiconductor heater (10). A top layer...
Semiconductor transistor with stabilizing gate electrode
A semiconductor device includes a transistor (30, 51) having a gate electrode (15, 52) wherein the gate electrode (15, 52) has a highly resistive portion (24,...
Semiconductor image sensor
An image sensor (10) has an image sensing element that includes an N-type conducting region (26) and a P-type pinned layer (37). The two regions form two P-N...
Method for manufacturing a semiconductor device
A method (50) for designing a semiconductor device (10). The method (50) has an annealing step (59). In the annealing step (59), the semiconductor device (10) is...
Method for coupling substrates and structure
A method for connecting substrates includes using an adhesive interposer structure (11) to bond a semiconductor device (26) to a substrate (18). The adhesive...
Integrated electro-optical package and method of fabrication
An integrated electro-optical package including a dual sided opto-electronic device, composed of a substrate with an array of light emitting devices (LEDs)...
Electronic device and method for forming a membrane for an electronic
An electronic device comprises a semiconductor substrate (2) having a cavity (32) extending into the substrate (2), a membrane (8) formed over the semiconductor...