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Ciphertel unit enclosure
Housing for a two-way portable communications device
Transmitter circuit and method of operation
A transmitter circuit including an oscillator circuit (30) having at least one input for receiving at least one modulation signal and an output (32) for...
Method and apparatus for providing additional resources in a satellite
Additional resources and services are provided in a satellite communication system (100) through the use of seam satellites (52). One or more seam satellites...
Method, multi-channel optical interconnect device, and a multi-channel
optically interconnected electronic...
The present invention provides a method and multi-channel optical interconnect device (28) including an optical substrate (29) including a first optical channel...
Long wavelength vertical cavity surface emitting laser
A VCSEL for emitting long wavelength light including a GaAs substrate element, a first mirror stack with mirror pairs in a GaAs/AlGaAs material system lattice...
Timing control of amplifiers in a memory
A memory has sense amplifiers that provide data onto a global data lines that are received by secondary amplifiers. The sense amplifiers and the secondary...
Circuit and method of latching a bit line in a non-volatile memory
A portable data carrier (10) embodies an integrated circuit (12) with an EEPROM (24). The EEPROM has a number of rows of memory cells (32, 38, 44) each having...
Multi-layer magnet tunneling junction memory cells
A multi-state, multi-layer magnetic memory cell including a first conductor, a first magnetic layer contacting the first conductor, an insulating layer on the...
High impedance signal conversion circuit and method
A circuit (200) comprises transistors (240, 250, 260), an operational amplifier (270) and serially coupled resistors (210, 220). The circuit (200) is coupled to...
Manually controllable cursor in a virtual image
Portable communication equipment having a virtual image display including display electronics and optics for providing a virtual image in the display, cursor...
Difference drive diversity antenna structure and method
A difference drive diversity antenna structure (200) and method for a portable wireless communication device (230) aligns a first linear antenna (240) parallel...
Method and system for antenna pattern synthesis based on geographical
distribution of subscribers
A method and system for antenna pattern synthesis based on geographical distribution of subscribers allows more efficient use of satellite power resources in...
Offset cancellation circuit
An offset cancellation circuit(1) for an analog switch(10) is provided which substantially reduces the offset voltage induced by the analog switch circuit. The...
Multilayer ceramic package with center ground via for size reduction
A multilayer ceramic package 200 with a center ground via 202 for size reduction is disclosed. Package 200 includes dielectric layers 204A-204G each having a...
Organic electroluminescent display with icons
An organic electroluminescent display device (10) includes a first display region (12) and a second display region (14), each region adapted to provide a...
Piezoelectric switch apparatus for a communication device
A control switch for a radio is formed using an electro-mechanical assembly (400) which includes an array of cantilevered beams (402) laminated with ...
Flip chip bump structure and method of making
A passivation layer (16) is formed over a substrate (10) having an interconnect pad (12, 13). An opening in the passivation layer (16) exposes a portion of the...
Method and apparatus for providing surface images
An apparatus and method for providing a topographical and thermal image of a semiconductor device. A probe (10) is made from a first ribbon of material (11) and...
Fuel injector control circuit and system with boost and battery
switching, and method therefor
A fuel injector control circuit and method include first switching circuitry (128, 134, 138, 142, 148, 152, 154) to selectively apply a first electrical signal...
Vehicular adaptor station for a portable communication device
Method and system for reducing power consumption of a non-blocking cache
within a data processing system
A method and system for reducing power consumption of a non-blocking cache memory within a data processing system is disclosed. In accordance with a method and...
Method and system for coupling a selective call receiver to widely
distributed information sources
A communication system (10) for coupling a selective call transceiver (18) to a widely distributed information source (24) comprises a server (22) coupled to the...
Cellular radio system using common radio backbone
A communication system employs a method and apparatus for exchanging communicated signals between a communication unit (e.g., 17) and a central site (205). A...
Transmission and reception of signals in a communication systems
A dual-mode mobile station (125) transmits an AMPS signal (Td AMPS) concurrently during transmission of a DS CDMA signal (Td DS CDMA) for purposes of handoff of...
System and method for enhancing ring alert terminations
A communication system including a constellation of satellites and a multi-channel unit having a plurality of co-located transceivers operative for exchanging...
Method for state-based oriented testing
An object oriented test provides a hierarchy of classes under test, each of the classes under test having a predefined inheritance structure. The test provides a...
Data compression system, method, and apparatus
A data compression system 200, method, and apparatus 214 employs an encoder 210 optimized to decorrelate and make independent from the original signal 202, the...
Text compression transmitter and receiver
A text compression technique used in a transmitter subsystem (126, 148) and a receiver subsystem (132, 158) for compressively encoding and decoding a text...
Alphanumeric message composing method using telephone keypad
An interactive method for composing an alphanumeric message by a caller using a telephone keypad includes storing (215) a lexical database (135) from which...
Method and apparatus for multirate data communications
In one embodiment a system is provided for multirate communications allowing for different data rates for each data unit on a channel, including both data units...
Method and apparatus in a communication receiver for compensating for
channel amplitude and phase distortion
A radio signal is digitized and filtered to derive a digitized pilot signal (210) modulated by channel amplitude and phase distortion. A numerator and a...
Method and apparatus in a communication receiver for adjusting an
operating attribute at a predetermined...
A method (600) that adjusts, at a predetermined boundary of a protocol utilized in decoding information from a signal received by a receiver (122), a symbol rate...
Wireless modem and method therefor for routing data to an application or
An application registry (226) is programmed (504) into a wireless modem (124) and includes routing information for routing data, based upon data type, to an...
Method and apparatus for encoding rate determination in a communication
A method and apparatus of determining an encoding rate associated with a received signal (12), where the method including the steps of demodulating in a...
VCSEL with integrated photodetectors for automatic power control and
signal detection in data storage
A VCSEL with a vertically integrated photodetector and at least one laterally integrated photodetector, including first and second stacks of DBRs and an undoped...
Low cost, efficient vertical cavity surface emitting laser package,
method, bar code scanner and optical...
The present invention provides a low cost, efficient vertical cavity surface emitting laser package (300) and manufacturing method, the package having a head...
Method and apparatus for correcting a measured round-trip delay time in
a wireless communication system
Correction of a round-trip delay within a communication system (100) takes place by receiving an uplink communication signal (119) over uplink communication...
Method and apparatus in a radio messaging system for forming a current
frame of data while maintaining a...
A processor (208) selects a candidate message (214) from a message queue (212), and tests (306) whether an available space (216) in the current frame of data is...
Service detection circuit and method
A radiotelephone (121) employs a service detection circuit (125) comprising at least one chip-rate detector (109) that measures the energy of the autocorrelation...
Method and apparatus for adjusting data rate in a synchronous
A method and apparatus are for receiving a portion of a message by a call receiver (2). A radio signal is intercepted (910) which is modulated with a...
Comparison circuit utilizing a differential amplifier
A pipelined dual port integrated circuit memory (20) includes an array (30) of static random access memory (SRAM) cells. A control circuit (32) controls access...
Pager supported traffic signal controller
A local traffic signal controller (3) is interfaced to a conventional pager (16) to provide for centralized control of the traffic signals controlled by the...
Band centering frequency multiplier
A frequency multiplier (120) having a tunable resonant circuit (122), is anticipated for use with a frequency synthesizer (100) having a Voltage Controlled...
Power amplifier output module for dual-mode digital systems
A power amplifier output module 200 having low insertion loss and self-shielding properties for dual-mode digital systems is provided. Module 200 has a first...
Control circuit and method for a temperature sensitive device
An embodiment of the present invention is a switching power supply that includes a power switching device and a control circuit to control the power switching...
Leadframe, method of manufacturing a leadframe, and method of packaging
an electronic component utilizing the...
In order to package an electronic component, a leadframe is provided having at least one flag portion (2) and at least one lead portion (7) extending towards the...
Ferroelectric semiconductor device
A ferroelectric semiconductor device (10) and a method of manufacturing the ferroelectric semiconductor device (10). The ferroelectric semiconductor device (10)...
Ball grid device with optically transmissive coating
A semiconductor device (10) coupled to ball grid array substrate (11) and encapsulated by an optically transmissive material (29, 31). The ball grid array...