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Patent # Description
US-5,943,274 Method and apparatus for amplifying a signal to produce a latched digital signal
Method and apparatus for amplifying a signal (50) to produce a latched digital signal (46). In one embodiment, an output stage circuit (24) of memory (10)...
US-5,943,027 Telescopic antenna assembly
A telescopic antenna assembly provides pairs of arms (210, 220, 230 and 240) on an elongated dielectric tube (260). A hot conductor (273) and a ground conductor...
US-5,942,952 VCO with multiple negative differential resistance devices
A VCO includes a transistor having a plurality of negative differential resistance devices coupled in series to the source terminal of the transistor, with each...
US-5,942,939 Amplifier and method of canceling distortion by combining hyperbolic tangent and hyperbolic sine transfer functions
A differential amplifier (10) receives a differential input signal (V.sub.IN). The input signal is attenuated by a first attenuator (12) and applied to a tan h...
US-5,942,938 Method and apparatus for high efficiency power amplification
A method and apparatus for efficient power amplification of a modulated signal includes an envelope detector (220), an multi-output class S modulator (270), a...
US-5,942,760 Method of forming a semiconductor device utilizing scalpel mask, and mask therefor
A mask (300) for scattering angular limited projection electron beam lithography, including a substrate (102) having an opening (103) extending into the...
US-5,941,974 Serial interface with register selection which uses clock counting, chip select pulsing, and no address bits
A method and apparatus for providing serially shifted data to a plurality of registers (51 through 56) begins by providing an enable signal (14). A first time...
US-5,941,939 Logarithm/inverse-logarithm converter and method of using same
A converter, which may be used for implementing either logarithmic or inverse-logarithmic functions, includes a memory, a multiplier, and an adder. The memory...
US-5,941,928 System and method for measuring hydrocarbon conversion efficiency of a catalytic converter
A system and method measures hydrocarbon conversion efficiency of a catalytic converter (501). Total-combustible sensors (511, 521) are positioned to measure...
US-5,941,708 Method for simulating temporal aspects of area weapons
A method simulates the time effect of a battlefield engagement. The method determines whether a player is in an area of effects (27). A probability of kill is...
US-D413,104 Accessory connector for a portable communications device
US-D413,022 Holster clip for a portable communications device
US-5,940,799 System and method for securing speech transactions
A processing system that is accessible via a number of speech transmission media. Access to the processing system may be made via a mobile radiotelephone, land...
US-5,940,779 Architectural power estimation method and apparatus
A method (100) and apparatus (600) estimates power of an architectural design. Power functions are generated (step 102) for standard components (20) by...
US-5,940,768 Infrastructure transceiver and method for configuration based on RF operating circumstances
In a radio frequency communication system (100), infrastructure transceivers operate in a configuration mode (301-306) and an active mode (307). When in the...
US-5,940,757 Communication system and method for selecting alternative frequencies
A communication system (100) that selects alternative data channels for communication has a base station (106) coupled to a plurality of alternative data...
US-5,940,756 Method for transmitting paging communication on a cellular communication system
A method for transmitting a paging message on the cellular communication system (126) includes the steps of: acquiring a paging signal as a control channel for a...
US-5,940,746 Channel scanning apparatus and method
An apparatus (304) for scanning among a plurality of channels in a radio communication system (300) includes receive circuitry (310) and control circuitry (312)....
US-5,940,741 Method and apparatus arranged to reduce traffic on a network channel
A system controller (105), and analogous method, for a two way selective messaging system (100) that is arranged to reduce traffic on a network channel (109)...
US-5,940,683 LED display packaging with substrate removal and method of fabrication
A light emitting diode display package and method of fabricating a light emitting diode (LED) display package including a LED array display chip, fabricated of...
US-5,940,595 Electronic network navigation device and method for linking to an electronic address therewith
An electronic network navigation device (10) comprises a substrate (12) which supports a human-viewable image (14) and machine-readable data (16). The...
US-5,940,508 Method and apparatus for seamless crypto rekey system
Equipment (10, 20) for facilitating point-to-point cryptographic data communication systems is disclosed. The seamless rekey cryptosystem permits changing of the...
US-5,940,452 Dual mode radio subscriber unit having a diversity receiver apparatus and method therefor
A dual mode cellular radiotelephone subscriber unit (802) comprises a diversity receiver (812) and a controller (814). The diversity receiver (812) receives...
US-5,940,447 Wireless powered communication device using power signal sampling and method
A circuit (34) for data recovery in a wireless powered communication device (10) obviates the need for the costly high power consumption filters of prior art...
US-5,940,445 Method and apparatus for providing transmit diversity in a wireless communication system
The wireless communication system transmits signals using radios (205). The radios (205) receive a signal which is formatted for transmission (602). The...
US-5,940,439 Method and apparatus for adaptive rate communication system
A system is disclosed for an adaptive rate voice system to provide improvements in coded operation over changing communication channel (50) conditions. This...
US-5,940,430 Method and apparatus for power control in a communication system
Power control in a spread-spectrum communication system takes place by receiving a signal from a remote unit (713) at both a first (701) and a second (707) base...
US-5,940,400 Method, device, wireless transceiver and computer for providing collision detection in wireless carrier sense...
A method (600), device, wireless transceiver, computer and personal digital assistant (300, 400) provide collision presence detection in wireless ...
US-5,940,381 Asynchronous transfer mode radio communications system with handoff and method of operation
A radio communications system (10) having a mobile station (30) and at least two base stations (13, 14). ATM radio channels (31, 32) are provided between the...
US-5,940,379 Apparatus and method for using multiple spreading codes for data transmission in a satellite communication system
Signal routing from origination nodes (210) to destination nodes (250) in a spread spectrum communication system (100) is provided using spread spectrum routing...
US-5,940,319 Magnetic random access memory and fabricating method thereof
An improved and novel MRAM device with magnetic memory elements and circuitry for controlling magnetic memory elements is provided. The circuitry, for example,...
US-5,940,282 Dual range power supply and adapter for use with same
A dual range power supply 200 is operable with either an AC line input, or a DC input. To facilitate use with an AC input the power supply is provided with a...
US-5,940,153 Display assembly having LCD and seal captured between interlocking lens cover and lightpipe
A display module (100) includes a light pipe (140), a liquid crystal display (LCD) module (130), a lens cover (110), and a gasket (120), which are mated together...
US-5,940,076 Graphical user interface for an electronic device and method therefor
A communication device (50) includes a display (68) for presenting information to the user. When selecting between different options/features (402-416) the...
US-5,939,941 High efficiency power amplifier using HITFET driver circuit
A high efficiency power amplifier includes an integrated circuit with a heterojunction interband tunneling field effect transistor (HITFET) amplifier coupled to...
US-5,939,939 Power combiner with harmonic selectivity
A power amplifier (517) for amplifying an operating signal includes an amplifier (538), an amplifier (540), and a power combiner (518) with harmonic selectivity....
US-5,939,911 Frequency prescaler method and apparatus responsive to low input drive levels
A low input prescaler (800) that is responsive to input signals having low amplitude alternating current (AC) components includes a switched tunable prescaler...
US-5,939,906 Circuit compensating nonlinearities
In a circuit (200), a differential pair (217/227) of transistors (210 and 220) receives a differential input signal (X.sub.1 -X.sub.2) from input terminals (211...
US-5,939,856 Battery and charging system using switchable coding devices
A battery and charging system including a charger (200) that provides a current and a battery (107) having at least one cell (108) that can be charged by the...
US-5,939,773 Semiconductor laser package including a lead frame and plastic resin housing
A semiconductor laser package including a laser chip mounted to a leadframe, and a plastic resin housing for encapsulating the laser chip. The laser chip...
US-5,939,753 Monolithic RF mixed signal IC with power amplification
A monolithic integrated circuit die (10) is fabricated to include unilateral FETs (113, 114, 115), RF passive devices such as a double polysilicon capacitor...
US-5,939,702 Writing implement having an integrated optical reader
A writing implement (10) has an optical reader (20) integrated therewith. The optical reader (20) can include a bar code reader, an optical text reader, or an...
US-5,939,699 Bar code display apparatus
A bar code display apparatus includes a time-varying nonpredictable code generator (12) and a display device (14) responsive to the time-varying nonpredictable...
US-5,939,693 Polynomial calculator device, and method therefor
A polynomial calculator device is applied to calibrate a sensing device. Preferably the sensing device (100) includes a sensing element (102) with an output...
US-5,938,726 Apparatus for reading an electronic network navigation device and a peripheral for use therewith
An apparatus for navigating an electronic network (20) comprises a housing (240) which houses a data reader, a pointing device (236), and a transmitter. The data...
US-5,937,937 Heat sink and method for removing heat from a plurality of components
The heat sink has an interior and has a first exterior surface and a second exterior surface, and includes a first heat removal region disposed in the interior....
US-5,937,758 Micro-contact printing stamp
A micro-contact printing stamp (100) includes a flexible layer (104) made from an elastomer and having a stamping surface (105). Flexible layer (104) is attached...
US-5,937,351 Method for establishing a wireless communications link in a reduced time
A mobile station (100) maintains a preferred bandmap (106) and a fixed bandmap (104). Upon powering up the mobile station, the mobile station begins scanning...
US-5,937,349 Method and system of tracking dynamic communication parameters during a link interruption
In a dynamic communication system (90) wherein communication parameters vary appreciably between transmissions, mobile subscriber units (200) are susceptible to...
US-5,937,333 Method and apparatus for adjusting inbound transmission reliability in a two-way messaging system
A fixed portion (102) of a radio messaging system schedules (602) an inbound message to be transmitted at a first scheduled time on a channel from a portable...
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