At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.
Method and apparatus for amplifying a signal to produce a latched
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)...
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...
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...
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...
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...
Method of forming a semiconductor device utilizing scalpel mask, and
A mask (300) for scattering angular limited projection electron beam lithography, including a substrate (102) having an opening (103) extending into the...
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...
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...
System and method for measuring hydrocarbon conversion efficiency of a
A system and method measures hydrocarbon conversion efficiency of a catalytic converter (501). Total-combustible sensors (511, 521) are positioned to measure...
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...
Accessory connector for a portable communications device
Holster clip for a portable communications device
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...
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...
Infrastructure transceiver and method for configuration based on RF
In a radio frequency communication system (100), infrastructure transceivers operate in a configuration mode (301-306) and an active mode (307). When in the...
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...
Method for transmitting paging communication on a cellular communication
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...
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)....
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)...
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...
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...
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...
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...
Wireless powered communication device using power signal sampling and
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...
Method and apparatus for providing transmit diversity in a wireless
The wireless communication system transmits signals using radios (205). The radios (205) receive a signal which is formatted for transmission (602). The...
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...
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...
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 ...
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...
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...
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,...
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...
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...
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...
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...
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....
Frequency prescaler method and apparatus responsive to low input drive
A low input prescaler (800) that is responsive to input signals having low amplitude alternating current (AC) components includes a switched tunable prescaler...
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...
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...
Semiconductor laser package including a lead frame and plastic resin
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...
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...
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...
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...
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...
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...
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....
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...
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...
Method and system of tracking dynamic communication parameters during a
In a dynamic communication system (90) wherein communication parameters vary appreciably between transmissions, mobile subscriber units (200) are susceptible to...
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...