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Patent # Description
US-6,441,694 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...
US-6,441,688 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...
US-6,441,622 Method and apparatus for time domain reflectometry moisture sensing in various media
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)...
US-6,441,594 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...
US-6,441,559 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...
US-6,441,449 MEMS variable capacitor with stabilized electrostatic drive and method therefor
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...
US-6,440,318 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...
US-6,438,519 Apparatus and method for rejecting out-of-class inputs for pattern classification
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...
US-6,438,390 Plural status indication control method suitable for use in a communication device
A status indicator (301) in a communication device (102), such as a cellular telephone, is controlled to visually indicate a plurality of status information...
US-6,438,381 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...
US-6,438,360 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...
US-6,438,225 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...
US-6,438,114 Method and apparatus for enabling multimedia calls using session initiation protocol
A communication system for exchanging session initiation protocol signaling messages between a user host associated with a wireless communication device, and a...
US-6,438,109 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...
US-6,438,030 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...
US-6,436,730 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...
US-6,436,300 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...
US-6,435,017 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...
US-D461,791 Communication device headset
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...
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