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Patent # Description
US-5,835,485 Method for dynamic routing of communication messages
To set-up a dispatch call, a controller identifies the destination units, destination sites, controlled devices and paths needed to support the call, and which...
US-5,834,994 Multilayer lowpass filter with improved ground plane configuration
A laminated lowpass filter (100) is disclosed. The filter (100) has: a stack of dielectric substrates (301-312) having a ground via (209); a pi network coupled...
US-5,834,972 Method and system in a hybrid matrix amplifier for configuring a digital transformer
In a hybrid matrix amplifier array (100), a configurable digital transform matrix (116) is initialize with a matrix of transform coefficients. A plurality of...
US-5,834,926 Bandgap reference circuit
In a bandgap reference circuit (200), a base-emitter voltage V.sub.BE with a first temperature coefficient TC.sub.1 is added to a voltage difference .DELTA.V...
US-5,834,924 In-rush current reduction circuit for boost converters and electronic ballasts
An electronic power supply circuit (50) that includes a rectifying circuit (14), a boost converter (16), an in-rush current reduction circuit (52), and a bulk...
US-5,834,756 Magnetically communicative card
A magnetically communicative card (200) has a ferrite core (302) extending substantially the length of the card body (203) and has a conductor (408) wound around...
US-5,834,320 Method of assembling a semiconductor device using a magnet
Process for maintaining lead positions within a glass layer of a CQFP semiconductor device by using a magnet during high temperature assembly operations. During...
US-5,834,135 Multilayered gel electrolyte bonded rechargeable electrochemical cell
An electrochemical cell 10 includes first and second electrodes 12 and 14 with an electrolyte system 26 disposed therebetween. The electrolyte system includes at...
US-5,834,062 Material transfer apparatus and method of using the same
A material (21) is transferred to an electronic component (32) using a transfer apparatus (10). The transfer apparatus (10) has pins (13) that pass through...
US-5,833,869 Method for etching photolithographically produced quartz crystal blanks for singulation
A method (202) for etching photolithographically produced quartz crystal blanks for singulation. In a first step (202), a quartz wafer is plated on both sides...
US-D400,878 Radio pager
US-D400,874 Portable radiotelephone
US-D400,848 Battery for a portable communication device
US-5,832,388 Portable radiotelephone device adapted to receive a variety of other portable devices
A portable radiotelephone device (100) comprises a radio housing (114) having radiotelephone circuitry (1102), a battery housing (110) having a battery (1104)...
US-5,832,370 Current mode transceiver circuit and method
A transmitter (300) sends a transmitted current (I.sub.203, I.sub.204) along a transmit signal path (203, 204) to a receiver (400) having a low input impedance....
US-5,832,223 System, method and device for automatic capture of internet access information in a broadcast signal for use by...
The present invention provides a system (100, 200), device (300) and method (400) for facilitating automatic capture of internet access information in a...
US-5,832,181 Speech-recognition system utilizing neural networks and method of using same
A speech-recognition system for recognizing isolated words includes pre-processing circuitry for performing analog-to-digital conversion and cepstral analysis,...
US-5,832,147 Holographic optical interconnect system and method for board-to-board and chip-to-chip communication...
A holographic optical interconnect system (100) and method (200) provide flexible, efficient interconnection of a plurality of circuit boards CBs and a plurality...
US-5,832,086 Method for updating a communication unit parameter in a wireless communication system
In one embodiment of the present invention, an update method preference value (401) is determined as between a group update method and an individual update...
US-5,832,080 Method and apparatus for routing conductors through a hinge
A unique method and apparatus effectively routes conductors such as conductors on a flex strip (402) through a hinge of a foldable electronic device (100) such...
US-5,832,043 System and method for maintaining continuous phase during up/down conversion of near-zero hertz intermediate...
A digital rotating complex phasor generator (60) provides a constant magnitude continuous phase signal at either a positive or a negative frequency for...
US-5,832,038 Method and apparatus for classifying a multi-level signal
A radio receiver circuit (100) is used for receiving a multi-level signal from a radio communication system. The multi-level signal includes a plurality of...
US-5,832,026 Method for correcting errors from a fading signal in a frequency hopped spread spectrum communcation system
A selective call communication system (10) transmits a frequency hopped spread spectrum signal as a Reed Solomon code word modulated as a four-level frequency...
US-5,832,000 Method and apparatus for communicating error-tolerant messages
A communication system is used for transmitting error-tolerant messages to a selective call receiver (122). The communication system includes a transmitter...
US-5,831,976 Method and apparatus for time sharing a radio communication channel
Time sharing of a radio communication channel among a plurality of interfering cells (302) is provided. The radio communication channel transmits information in...
US-5,831,960 Integrated vertical cavity surface emitting laser pair for high density data storage and method of fabrication
An integrated vertical cavity surface emitting laser (VCSEL) pair for use in an optical pickup head for high density optical storage applications and a method of...
US-5,831,920 GMR device having a sense amplifier protected by a circuit for dissipating electric charges
A new and improved magnetic device is provided for memories and sensors. A magnetic random access memory (MRAM) device (20) includes a storage element (21) for...
US-5,831,874 Method and system for calculating a transmitted signal characteristic in an environmental model
In a data processing system, a stored environmental model of a wireless communication system is selected. The model locates at least one object in relation to a...
US-5,831,872 Method and system for compressing a video signal using dynamic frame recovery
A video signal is converted into a coefficient signal for each frame in a video image. Each coefficient signal comprises block coefficient signals which...
US-5,831,832 Molded plastic ball grid array package
An improved leadless semiconductor device package consists of a molded plastic carrier (30) with a plurality of C5 bumps (52) integrally molded into the bottom...
US-5,831,826 Heat transfer apparatus suitable for use in a circuit board assembly
A heat transfer apparatus is carried on a substrate (204) having top and bottom surfaces (212, 214). The heat transfer apparatus includes a pad (220/222), at...
US-5,831,824 Apparatus for spray-cooling multiple electronic modules
The apparatus includes a substantially planar plate having a first side and a second side. A plurality of substantially planar fluid distributing manifolds are...
US-5,831,699 Display with inactive portions and active portions, and having drivers in the inactive portions
An integrated electro-optical package including an array composed of a substrate having defined thereon a plurality of unit cells, composed of active and...
US-5,831,636 Method for compressing ideographic characters for storage decompression and display and a communication device...
A compression/decompression method useful in communicating ideographic characters to communication devices. An ideographic character is represented by a...
US-5,831,545 Method and apparatus for adjusting a communication strategy in a radio communication system using location
An acknowledge back portable selective call radio (10) for use in a selective call signal radio system (100) and method for determining selective call radio...
US-5,831,491 High power broadband termination for k-band amplifier combiners
An extremely broad band high power termination (10) for microwave and millimeter frequency amplifiers combines a standard resistive low frequency termination...
US-5,831,482 Method and apparatus for self-tuning a voltage controlled oscillator (VCO)
A method and apparatus for tuning the voltage controlled oscillator (VCO) (110) of a Phase Locked Loop (100) by comparing the VCO (110) voltage control line...
US-5,831,479 Power delivery system and method of controlling the power delivery system for use in a radio frequency system
A power delivery system (500) including a power splitter (502), a plurality of power amplifier modules (508) responsive to the power splitter (502), a power...
US-5,831,478 Feedforward amplifier
A method and apparatus in a feedforward amplifier (100) includes a summer (293) summing the desired signal (12) with a pair of tag signals (241, 242). An error...
US-5,831,476 Voltage-tuned millimeter-wave amplifier and method for tuning
A method (140) for tuning millimeter-wave FET amplifiers (20) during manufacture, through the application (144) of a gate bias voltage (52) so as to tune the FET...
US-5,831,475 Method and apparatus for delay matching in a power amplifier
A method and apparatus for efficient power amplification with low distortion includes a surface acoustic wave delay line (210), an envelope detector (220), an...
US-5,831,455 Polarity detector
A polarity detector 100 wherein bistables 105 and 107 selectively sample the sequence of pulses and store samples. The samples and the output signal 125, stored...
US-5,831,454 Emitter coupled logic (ECL) gate
An emitter coupled logic gate (300) avoids the use of stacked transistors by utilizing a single-ended bias input and positive feedback (320) between first and...
US-5,831,420 Pulse load averaging power converter
A pulse load averaging power converter (10) provides low duty cycle, high amplitude power pulses while drawing substantially constant power from a power source....
US-5,831,383 Spacer pads for field emission device
A field emission device (100, 200) includes an anode (190); a substrate (110); a plurality of spaced apart cathodes (120); a dielectric layer (124) disposed on...
US-5,831,295 Current confinement via defect generator and hetero-interface interaction
A semiconductor device including a plurality of layers of material defining a diffusion barrier. A defect generator positioned on the plurality of layers in...
US-5,831,218 Method and circuit board panel for circuit board manufacturing that prevents assembly-line delamination and sagging
Board delamination during the singulation from a board panel and board sagging during front-end assembly are two biggest problems encountered in cellular...
US-5,830,802 Process for reducing halogen concentration in a material layer during semiconductor device fabrication
A process for reducing halogen concentration in a material layer (56) includes the deposition of a dielectric layer (58) overlying the material layer (56). An...
US-5,830,801 Resistless methods of gate formation in MOS devices
A method of forming an MOS gate includes providing a silicon substrate having a gate oxide formed thereon, forming a polysilicon layer on the gate oxide,...
US-5,830,774 Method for forming a metal pattern on a substrate
A method for forming a metal pattern on a substrate (11) includes forming a dielectric stack (14) on a major surface (12) of the substrate (11) and forming a...
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