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Patent # Description
US-6,434,721 Method and apparatus for constraint graph based layout compaction for integrated circuits
The present layout compaction technique compacts circuit elements in two dimensions of a circuit layout with reduced computational requirements. A circuit layout...
US-6,434,707 Low phase jitter clock signal generation circuit
A direct digital synthesis (DDS) clock generation circuit (100) produces a digital clock signal having low phase jitter. A N/M digital divider circuit (103)...
US-6,434,698 Distributed processor system having status voting mechanism of each processor by all other processors and...
A microprocessor module is arranged to be coupled to a communications network having a number of distributed modules. Each module is arranged to transmit status...
US-6,434,400 Method and apparatus for data communication using a multi-number mobile telephone
A first data communication method comprises a step (201) of automatically directing a mobile telephone (24) to switch operation from a first telephone number to...
US-6,434,391 Method and apparatus for channel pattern based managing inbound traffic in a two-way wireless messaging system
A controller (112) defines (402) a channel pattern specifying a network destination for inbound channel traffic, a subscriber unit address group to which the...
US-6,434,381 Method and apparatus in a wireless communication system for retrieving local information and services
A mobile station (106) of a wireless communication system (100) detects (502) a predetermined user command applied to a user interface (308) of the mobile...
US-6,434,366 Method and system for estimating adaptive array weights used to transmit a signal to a receiver in a wireless...
A transmitter uses adaptive array weights to modify a gain and a phase of a communication signal to produce a plurality of element communication signals coupled...
US-6,434,159 Transaction system and method therefor
A peer device (132) is arranged and programmed for handling a transaction at a point of sale provided by a merchant, and a personal presence identifier (122) is...
US-6,434,158 Entryway system using proximity-based short-range wireless links
An entryway system includes a door entry system (130) located near an entry door (320), and a personal presence identifier (122) carried by a guest and coupled...
US-6,433,894 Data transfer within a communication system
The remote unit (113) maintains a count of inserted blank scan lines generated by the remote unit (113) and uses this to maintain a fixed number of scan lines...
US-6,433,640 Methods and apparatus for amplifying a telecommunication signal
Methods and apparatus (40) of amplifying a telecommunication signal (41) are provided in accordance with the present invention. The apparatus (40) comprises an...
US-6,433,626 Current-mode filter with complex zeros
A current-mode filter with a transfer function having complex zeros includes a voltage differentiator having first and second bipolar transistors with respective...
US-6,433,571 Process for testing a semiconductor device
A process for testing a semiconductor device includes placing a probe card into a testing apparatus wherein the probe card has a base and a probe tip. The probe...
US-6,433,568 Massive parallel semiconductor manufacturing test process
A method of testing a plurality of integrated circuits each having a processing unit and an electrically programmable memory portion. The method includes...
US-6,433,511 Method and apparatus for manually reconditioning a battery without a switch
This invention includes an apparatus and method of initiating reconditioning of a rechargeable battery cell without an auxiliary mechanical switch. When a...
US-6,433,382 Split-gate vertically oriented EEPROM device and process
A split-gate EEPROM transistor includes a channel region (22) formed in a vertically disposed semiconductor body (58) and residing intermediate to a drain region...
US-6,432,779 Selective removal of a metal oxide dielectric
A method for forming a semiconductor device is disclosed in which a metal oxide gate dielectric layer is formed over a substrate. A gate electrode is then formed...
US-6,432,546 Microelectronic piezoelectric structure and method of forming the same
A high quality epitaxial layer of monocrystalline Pb(Zr,Ti)O.sub.3 can be grown overlying large silicon wafers by first growing an strontium titanate layer on a...
US-6,430,666 Linked list memory and method therefor
A linked list memory (8) having an address generator (19) used during initial processing and a method for assigning addresses to lists corresponding to devices...
US-6,430,593 Method, device and article of manufacture for efficient task scheduling in a multi-tasking preemptive...
The present invention provides a method, an article of manufacture and a multi-tasking, preemptive, priority based operating device for acceleration of operating...
US-6,430,408 Allocating antenna-provided communications services
A communications system having an antenna and at least one mobile unit in communications with the antenna. A price that a mobile unit will pay to receive an...
US-6,430,405 Method for retrieval of stored telephone numbers in a radio communication device
The unique method for implementing icons in a radio communication device (103) which provides a plurality of radio communication services such as radiotelephone,...
US-6,430,243 Symbol sign directed phase detector
A phase detector that uses symbol sign information to aid the phase error detection process to determine a phase error of a complex signal such as a vestigial...
US-6,430,234 Method and apparatus for performing phase detection and timing recovery for a vestigial sideband receiver
A method and apparatus for performing phase detection and timing recovery for a vestigial sideband (VSB) signal by processing a complex valued passband VSB...
US-6,430,228 Digital QAM modulator using post filtering carrier recombination
The efficient quadrature amplitude modulator of the present invention allows from 6 to 8 independent compressed channels to occupy a 6 MHz bandwidth while...
US-6,430,214 Fading resistant multi-level QAM receiver
An architecture for simplified automatic gain control circuit (100, 200, 300) that is useable with M-ary QAM systems to improve overall link performance. The...
US-6,430,085 Magnetic random access memory having digit lines and bit lines with shape and induced anisotropy ferromagnetic...
A magneto-electronic component includes an electrically conductive layer (310, 410) for generating a magnetic field and having a length (301, 401) and a width...
US-6,430,084 Magnetic random access memory having digit lines and bit lines with a ferromagnetic cladding layer
A magneto-electronic component includes an electrically conductive layer for generating a magnetic field, a ferromagnetic cladding layer adjacent to the...
US-6,429,811 Method and apparatus for compressing GPS satellite broadcast message information
An assisted global positioning satellite (Assisted GPS) system has a GPS reference network node (260) that collects GPS satellite broadcast messages and prepares...
US-6,429,808 Method and apparatus for assisted GPS integrity maintenance
A cellular network protocol which maintains the reliability of assisted GPS based positioning is taught. An Integrity Monitor (IM) informs mobile stations, their...
US-6,429,771 Method and apparatus for limiting message loss and message latency in a messaging system
A messaging system transmits to a subscriber unit (122) on a plurality of channels (410) operating concurrently. The system transmits (1108) control information...
US-6,429,770 Apparatus for communicating multi-lingual messages and method therefor
A communication system (100) includes a radio transmitter (116) and a SCR (selective call receiver) (122). The radio transmitter includes a transmitting device...
US-6,429,531 Method and apparatus for manufacturing an interconnect structure
An interconnect structure, such as a flip-chip structure, including a base pad and a stud formed on the base pad and extending from the base pad is disclosed....
US-6,429,103 MOCVD-grown emode HIGFET buffer
A method of fabricating an Emode HIGFET semiconductor device, and the device, is disclosed including epitaxially growing by metal-organic chemical vapor...
US-6,429,046 Flip chip device and method of manufacture
A method of manufacturing a solder bump on a power copper structure and resultant device is disclosed. In the method, a layer of an electrically conductive,...
US-6,429,030 Method for testing a semiconductor die using wells
Testing is performed on a semiconductor die (50) having a plurality of protruding electrical contacts (52) formed thereon. The test method uses a carrier (100)...
US-6,427,539 Strain gauge
A reliable sensor provides a user-friendly semiconductor sensing device and transducer which accurately detects the characteristics of a fluid, such as pressure...
US-6,427,199 Method and apparatus for efficiently transferring data between peripherals in a selective call radio
A selective call radio (300) includes a memory (100), which in turn includes one or more memory elements; a row and column decoder (110, 112) coupled to the one...
US-6,427,077 GPS enabled mobile stations and location methods therefor
A satellite positioning system enabled mobile station and method therefor having a satellite positioning system signal reception interface, for example a GPS...
US-6,427,075 Apparatus and method for delivering data in a cellular communications network
Data delivery in GSM and UMTS co-existing networks is controlled by apparatus located within the network infrastructure which predicts the trajectory of a moving...
US-6,427,066 Apparatus and method for effecting communications among a plurality of remote stations
An apparatus for communications by a home station among remote stations in at least one communication medium. The apparatus comprises (a) local signal receiving...
US-6,426,980 Method and apparatus for communicating a call
A wireless communication system (10) employing quadrature amplitude modulation techniques comprises a system controller (22), at least one radio frequency base...
US-6,426,698 Lot signalling device
An apparatus related to a lot signalling device used to find misplaced lots. A remote control signalling device comprises a receiver section (5) for receiving an...
US-6,426,683 Integrated filter with improved I/O matching and method of fabrication
An integrated filter circuit and a method of fabrication are disclosed, wherein the integrated filter has an input and an output parasitic shunt impedance. Input...
US-6,426,456 Method and apparatus for generating percussive sounds in embedded devices
A percussive sound contains both harmonic and non-harmonic frequency spectral content. To reproduce a particular percussive sound, such as the sound of a drum or...
US-6,426,239 Method of manufacturing a semiconductor component having a fixed electrode between two flexible diaphragms
A semiconductor component comprises a substrate (101), a two flexible pressure sensor diaphragms (106, 303) supported by the substrate (101), and a fixed...
US-6,426,158 Method of diluting hydrogen gas exhausted from a fuel cell
A method of diluting reacted fuel gas that is exhausted from a fuel cell. The reacted fuel gas is transferred from the fuel cell (10) into a hydrogen diluting...
US-6,425,091 Method and apparatus for tolerating scheduling latency and achieving time alignment for transmit and receive...
The preferred embodiment of the present invention provides a method and apparatus for dealing with scheduling latency in high-speed modems (100) implemented on...
US-6,425,002 Apparatus and method for handling dispatching messages for various applications of a communication device
A communications device (10) with a processor having instructions that execute on the processor. The programmed instructions include a message manager program...
US-6,424,825 Feedforward and feedback control in a radio
A radio back-end circuit that includes a signal processing unit which receives an intermediate frequency signal containing modulated information. The radio...
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