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Advertiser pays information and messaging system and apparatus
A system and apparatus for permitting a user of a selective call receiver (31) to receive a certain number of personal messages and information service updates...
Amplifier circuit having independent gain and response time adjustments
An amplifier circuit (20) having independent gain and response time adjustments includes an amplifier (22), a response time resistor (30), a variable gain...
High efficiency electronic ballast
An electronic ballast (100) for powering at least one gas discharge lamp (10) comprises an inverter (300), an output circuit (400), and a switching circuit...
Electronic ballast with inverter protection circuit
An electronic ballast (10) for powering at least one gas discharge lamp (20) comprising an AC-to-DC converter (100), an inverter (200), an output circuit (300),...
High density interconnect substrate and method of manufacturing same
A method of creating high density interlayer interconnects on circuit carrying substrates. A circuit pattern (20) is formed on one side of a substrate (10), and...
Battery latch for a communication device
A battery package (100) includes a latch (106) for easy attachment to a radio (402). Engagement of the battery package (100) to the radio is accomplished via...
Portable electronic device with transceiver and visual image display
A portable electronic device (10) including a virtual image display (20) positioned within a housing (11) or a remote unit (30), capable of providing an image of...
Method and system for real-time channel management in a radio
A channel management process (68) is performed by a parent base station (36) of a radio telecommunications system (20) that exchanges channel usage data with...
Method for providing communication service to communication units
located within a common carrier...
A communication system (100) employs a method and apparatus for providing communication service to communication units (207-213) located within a common carrier...
Smart remote control panel for a radio
A smart control panel (10) includes a processor (40) for remotely controlling a radio (20). The smart control panel (10) attaches and detached from the skirt...
Method and apparatus for testing on-chip memory on a microcontroller
A method and apparatus for allowing the soft defect detection testing (SDDT) of an memory array (106) of a data processor (100) begins by providing a control...
Portable microkernel operating system verification and testing
A Hardware Abstraction Layer (HAL) (66) of a Portable Microkernel Operating System (OS) is tested and verified by loading a HAL test program (96) into Kernel...
Method of and apparatus for decoding and processing messages
A mobile station (104) processes a paging message having information data mapped to a cyclical redundancy check (CRC) error detection code and divided into a...
Radio unit and method of communicating between radio units over a
A method of communicating between radio units (10, 11, 12, 13) by transferring cells over a communication channel having repeating frames. A matrix (200) of...
Packet voting server and associated method for performing voting
services on multiple radio channels simultaneously
A packet voting server and associated method for performing voting services on multiple radio channels simultaneously and including capability to be dynamically...
Digital multi-channel simulcast system with centralized timestamping
In a digital multi-channel simulcast system, a redundant centralized timestamping device acts as a simulcast controller for multiple channels simultaneously. All...
Synchronous coherent orthogonal frequency division multiplexing system,
method, software and device
A synchronous coherent orthogonal frequency division multiplexing, SC-OFDM, system, method, software and device include a plurality of SC-OFDM transmitters and a...
Ferroelectric simulator, ferroelectric method of manufacture, and method
A method and apparatus for simulating the design of a ferroelectric circuit uses a processor (501). The processor (501) executes a simulator (540) from memory...
System, device, and method for streaming a multimedia file encoded at a
System, Device, And Method For Streaming A Multimedia File Encoded at a Variable Bitrate. The data is encoded at a variable bit rate and formed into packets...
Display system and circuit therefor
A display system includes a display panel (200) having a full display screen area (303) upon which images can be generated for viewing. An image control circuit...
Directional center-fed wave dipole antenna
A directional center-fed half wave dipole antenna is constructed from a multilayer substrate (100) having dipole antenna elements (112, 142) disposed on opposite...
Wireless communication device with antenna-activated switch
A wireless communication device (20) provides a matching state between a radio circuit (28) and an antenna assembly (26) in both its retracted and extended...
Phased array radio frequency (RF) built-in-test equipment (BITE)
apparatus and method of operation therefor
Failure detection in a phased array antenna system is accomplished using a cluster-oriented detection scheme and a mutual coupling test signal injection...
Frequency synthesizer using double resolution fractional frequency
A fractional frequency synthesizer (100) includes a symmetrical divider (165) having an output frequency signal (135) fractionalized based on half cycles of its...
Method and apparatus for improving intermodulation in a feed-forward
A feed-forward amplifier (600) has an error path (123) replaced by a feed-forward amplifier (603) in a nested feed-forward configuration. By replacing the error...
Gain distribution circuit
A system (100 or 200) includes a first AGC stage (102) having a programming input and a gain input. A second AGC stage (104 or 210 and 234) is coupled in a...
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...
Multiplexed output circuit and method of operation thereof
A multiplexed output circuit (200) for use in an integrated circuit (500) such as a static random access memory locates a plurality of amplifiers (206, 208), a...
Process for testing a semiconductor device
Large diameter probe tips (42) can be used to probe a semiconductor device (60). The probe tips (42) are oriented more perpendicular to the surface of the...
Energy control system with remote switching
An energy control system (10) comprises at least one controllable load (110), a master controller (200), a traveler wire (300) and at least one remote switch...
Single-input phase locking piezoelectric transformer driving circuit
A circuit (10) for driving a piezoelectric transformer (12) in a phase locked mode without using an external reference signal. The circuit (10) utilizes a 555...
Color display with integrated semiconductor leds and organic
An integrated matrix of light emitting devices includes a plurality of isolated semiconductor LEDs positioned in a matrix of rows and columns on the surface of a...
Pick-and-place tool for vacuum and magnetic coupling
A pick-and-place apparatus (404) for magnetically and vacuum coupling an item (1100) includes a base (516), a magnetic coupler (500), and a vacuum coupler (502)....
Surface mountable component holder
A surface mountable auto-onsertable component holder (100) includes captivating structures (123, 125, 127 and 129) on opposing walls (101, 103, 115, and 117) to...
Handset for a wireless communications device
Cordless portable telephone with faceplate
Method and apparatus for training a speaker recognition system
A method and apparatus for training a system to assess the identity of a person through the audio characteristics of their voice. The system inserts an audio...
Apparatus and method for generating noise in a digital receiver
A digital receiver (114) converts a received signal into a speech signal. The digital receiver (114) includes circuitry (128) and a noise generator (130). The...
Infrastructure transceiver and method for configuration based on
In a radio frequency communication system (100), infrastructure transceivers operate in a configuration mode (301-306) and an active mode (307). When in the...
Radio scan method with spatial channel marking
A method used with spatial channel marking in a radio scanning technique that extends the conventional methods of channel marking to include information about...
Electro-optic device board
A flexible electro-optic circuit board (20) includes a polymer circuit board (22) and a polymer optical backplane (34). The polymer circuit board (22) includes a...
Method and apparatus for communicating selected additional data in a
data stream of fixed size
A method and apparatus utilize an original stream (424) for communicating. Additional data is selected from predetermined messages to define a selected message...
Method and apparatus for reducing overhead in a messaging system
A messaging system, having a transmitter (202) for transmitting information service messages to selective call units (SCU's) (122), receives displayable...
Bandstop filter module with shunt zero
A bandstop filter module (200) with a shunt zero is provided. The module (200) contains a circuit substrate (202) with input and output pads and transmission...
Gridded spacer assembly for a field emission display
A gridded spacer assembly (130, 230) for a field emission display (100, 200) includes a plurality of spacers (135, 235), a focusing grid (132, 232) having a...
System and method for accurate geolocation of images
A satellite-based imaging system (100) is used to provide imaging services to users located anywhere on the earth. The surface of the earth is imaged, and the...
Epoxy resin composition with cycloaliphatic epoxy-functional siloxane
A composition useful as a die-attach adhesive, polymer bump or encapsulant comprises from about 5-100% by weight of a base resin and from zero to 95% by weight...
Method for chemically-mechanically polishing a metal layer
A method of manufacturing a semiconductor device includes providing (51) a substrate (19), providing (52) a colloid (17) having particles held in suspension,...