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Patent # Description
US-5,982,327 Adaptive array method, device, base station and subscriber unit
The present invention provides a method, device, base station and subscriber unit for combining a plurality of antenna output signals to provide a combined data...
US-5,982,322 Position locating rescue transceiver
A secure, portable position locating radio has a geolocation receiver providing local position and timing information from geolocation means (e.g. GPS...
US-5,982,230 Amplifier circuit
An amplifier circuit having a programmable configuration which is selectable by a user. The amplifier circuit includes a pair of two-input differential input...
US-5,982,166 Method for measuring a characteristic of a semiconductor wafer using cylindrical control
The time required to make test measurements across a large diameter wafer, such as a 300 mm wafer, is reduced by using a wafer measuring system that employs...
US-5,982,109 Electronic ballast with fault-protected series resonant output circuit
An electronic ballast (100) for powering at least one gas discharge lamp (10) comprises an inverter (200) and an output circuit (300). Output circuit (300)...
US-5,981,340 Method of building an EPROM cell without drain disturb and reduced select gate resistance
A semiconductor device (70) includes a memory cell having a select transistor (67) and a storage transistor (65) having a relatively uniform tunnel dielectric...
US-5,980,934 Transdermal delivery apparatus
In accordance with a first aspect, a noninvasive apparatus comprises a card-shaped housing which supports the transdermal delivery device (10). In accordance...
US-5,980,346 Method for fabricating a display spacer assembly
A method is provided for fabricating a display spacer assembly (100, 400, 500) useful in the fabrication of large-area field emission displays (200, 600). The...
US-5,980,268 Dual beam contact
A unique dual beam contact (30) for coupling elements on opposite sides of a dividing element (68) preferably comprises a single piece of metal or other...
US-D416,263 Ciphertel unit enclosure
US-D416,252 Housing for a two-way portable communications device
US-D416,226 Power adaptor
US-5,978,661 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...
US-5,978,653 Method and apparatus for providing additional resources in a satellite communication system
Additional resources and services are provided in a satellite communication system (100) through the use of seam satellites (52). One or more seam satellites...
US-5,978,526 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...
US-5,978,398 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...
US-5,978,286 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...
US-5,978,262 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...
US-5,978,257 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...
US-5,978,249 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...
US-5,977,950 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...
US-5,977,916 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...
US-5,977,907 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...
US-5,977,892 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...
US-5,977,850 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...
US-5,977,704 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...
US-5,977,690 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 ...
US-5,977,632 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...
US-5,975,757 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...
US-5,975,057 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...
US-D416,025 Vehicular adaptor station for a portable communication device
US-5,974,505 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...
US-5,974,447 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...
US-5,974,325 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...
US-5,974,319 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...
US-5,974,316 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...
US-5,974,255 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...
US-5,974,181 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...
US-5,974,180 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...
US-5,974,121 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...
US-5,974,106 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...
US-5,974,100 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...
US-5,974,086 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...
US-5,974,085 Wireless modem and method therefor for routing data to an application or to storage
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...
US-5,974,079 Method and apparatus for encoding rate determination in a communication system
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...
US-5,974,071 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...
US-5,974,066 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...
US-5,974,057 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...
US-5,974,054 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...
US-5,974,042 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...
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