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.
Wireless system protocol for telemetry monitoring
A wireless, programmable system for medical monitoring includes a base unit and a plurality of individual wireless, remotely programmable biosensor transceivers....
Tunable bridged-T filter
A tunable filter (300) includes first (302) and second (304) "bridged-T" resonators. The first (302) and second (304) resonators are capacitively coupled...
Method and apparatus for generating digitally modulated signals
A method and apparatus for generating digitally modulated signals in which a serial data stream of digital signals to be modulated (70) is provided, the serial...
Single-to-differential buffer amplifier
A radio frequency single to differential buffer amplifier provides a 180 degree phase difference between two output signals by using a current mirroring circuit...
Method and apparatus for time domain reflectometry moisture sensing in
A method and apparatus for time domain reflectometry sensing of moisture in a test material. The sensor (200) having a generally helical shaped electrode (206)...
Low power voltage regulator with improved on-chip noise isolation
A voltage regulator 100, 130 for isolating radio frequency circuits from on chip digital circuit originated noise and an integrated circuit chip including the...
Field emission display having an invisible spacer and method
A field emission display (100) includes a cathode assembly (102), an anode plate (104), and a spacer (108), which extends between the cathode assembly (102) and...
MEMS variable capacitor with stabilized electrostatic drive and method
A micro electro-mechanical systems device having variable capacitance is controllable over the full dynamic range and not subject to the "snap effect" common in...
Printed circuit board with a multilayer integral thin-film metal resistor
and method therefor
A thin-film metal resistor (44) suitable for a multilayer printed circuit board (12), and a method for its fabrication. The resistor (44) generally has a...
Apparatus and method for rejecting out-of-class inputs for pattern
Method and apparatus rejecting out-of-class inputs for pattern classification including a list of patterns with at least one in-context pattern and a rank...
Plural status indication control method suitable for use in a communication
A status indicator (301) in a communication device (102), such as a cellular telephone, is controlled to visually indicate a plurality of status information...
Method and apparatus for location determination of a cellular telephone
A method of making a geographic location determination via a cellular telephone in signal communication with a base station. The mobile station first attempts to...
Amplifier system with load control to produce an amplitude envelope
An amplifier system to increase the efficiency of amplification systems that employ linear modulation schemes. The amplifier system has a signal amplifier for...
Method and system for detecting and controlling severe echo
A system and method for detecting and controlling severe echo. The system includes an echo canceller having an adaptive filter responsive to a set of...
Method and apparatus for enabling multimedia calls using session initiation
A communication system for exchanging session initiation protocol signaling messages between a user host associated with a wireless communication device, and a...
Method to establish a home network on multiple physical layers
A home networking architecture and a physical layer protocol is configured such that a communication device in the home can access a home network over any one of...
Non-volatile memory, method of manufacture, and method of programming
A semiconductor device includes a non-volatile memory, such as an electrically erasable programmable read only memory (EEPROM) array of memory cells. The memory...
Microelectronic package comprising tin copper solder bump interconnections
and method for forming same
A microelectronic package (10) comprises an integrated circuit component (12) mounted on a substrate (14) by solder bump interconnections (16) formed of a...
Method of manufacturing electronic components
A method of manufacturing electronic components includes disposing a top metal layer (502) comprised of solder over a bottom metal layer (201, 202) comprised of...
Snap-fit sensing apparatus
A snap-fit sensing apparatus (20) for use in automotive applications including a housing (22) having a pair of flexible arms (30), a top portion (24), and a...
Communication device headset
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...