At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.
Method and apparatus for constraint graph based layout compaction for
The present layout compaction technique compacts circuit elements in two dimensions of a circuit layout with reduced computational requirements. A circuit layout...
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)...
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...
Method and apparatus for data communication using a multi-number mobile
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Method for retrieval of stored telephone numbers in a radio communication
The unique method for implementing icons in a radio communication device (103) which provides a plurality of radio communication services such as radiotelephone,...
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...
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...
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...
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...
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...
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...
Method and apparatus for compressing GPS satellite broadcast message
An assisted global positioning satellite (Assisted GPS) system has a GPS reference network node (260) that collects GPS satellite broadcast messages and prepares...
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...
Method and apparatus for limiting message loss and message latency in a
A messaging system transmits to a subscriber unit (122) on a plurality of channels (410) operating concurrently. The system transmits (1108) control information...
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...
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....
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...
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,...
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)...
A reliable sensor provides a user-friendly semiconductor sensing device and transducer which accurately detects the characteristics of a fluid, such as pressure...
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...
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...
Apparatus and method for delivering data in a cellular communications
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...
Apparatus and method for effecting communications among a plurality of
An apparatus for communications by a home station among remote stations in at least one communication medium. The apparatus comprises (a) local signal receiving...
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...
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...
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...
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...
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...
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...
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...
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...
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...