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Patent # Description
US-6,198,456 Integrated transmitter or receiver device
The present invention relates to a transmission or reception device. The device comprises several layers having openings such that the stack thereof produces one...
US-6,198,455 Variable beamwidth antenna systems
Variable beamwidth antenna systems for use on spacecraft that is capable of changing their beamwidths while the spacecraft in on orbit. The variable beamwidth...
US-6,198,454 Broadband fan cone direction finding antenna and array
A broadband partial fan cone direction finding antenna and array disclosed. The antenna includes a radiator having a partial cone shape. The radiator ...
US-6,198,453 Waveguide antenna apparatus
A waveguide antenna apparatus which allows accurate and independent control of RF amplitude and phase characteristics while maintaining small, narrow dimensions...
US-6,198,452 Antenna configuration
A positioner (or gimbal assembly) for a compact antenna assembly is disclosed. The positioner provides accurate pointing of the antenna assembly (typically a...
US-6,198,451 Radar antenna feed arrangement
An antenna feed for a 94 GHz radar combining quasi-optic and microwave integrated circuit (MIC) techniques. The optical components (15-23) couple MIC receive and...
US-6,198,450 Dielectric resonator antenna for a mobile communication
A hemispherical dielectric resonator is arranged on a metal substrate to make a flat surface of the hemispherical dielectric resonator contact with the metal...
US-6,198,449 Multiple beam antenna system for simultaneously receiving multiple satellite signals
A multiple beam array antenna system including a first group of right-handed circularly polarized subarrays and a second group of left-handed circularly...
US-6,198,448 Lightweight antenna assembly comprising a whip antenna and a helical antenna mounted on a top end of the whip...
In an antenna assembly (10) including a whip antenna (1, 9) provided with a stopper (5) of a conductive material at a lower end of the whip antenna, a helical...
US-6,198,447 Pane antenna for automobiles
A window pane antenna suitable for radio communication, for automobiles, consists of a loop-shaped antenna conductor (6) and of a conductive area (8) disposed in...
US-6,198,446 Dual-feed system for a multifunction, conformal, loadearing structure excitation antenna
A multifunction antenna feed structure (30) that acts as a feed for a multibandwidth antenna system (22) used in connection with a modern tactical aircraft. The...
US-6,198,445 Conformal load bearing antenna structure
A conformal load bearing antenna structure for attachment to an aircraft having an outer skin. The conformal load bearing antenna structure comprises a top face...
US-6,198,444 Double pole limit switch having an actuator as a pole
A double pole limit switch (340) includes an insulator (410), a conductive spring element (420), and a conductive element (430). The conductive spring element is...
US-6,198,443 Dual band antenna for cellular communications
A switched, dual helical, retractable, dual band antenna for a cellular communication device comprising a device which functions at two specific frequency bands...
US-6,198,442 Multiple frequency band branch antennas for wireless communicators
A multiple frequency band antenna for a communications device, such as a radiotelephone, includes a dielectric substrate having high and low frequency band...
US-6,198,441 Wireless handset
A wireless handset with a built-in tunable antenna has a circuit that tunes the center frequency of impedance matching of the antenna to a call frequency. The...
US-6,198,440 Dual band antenna for radio terminal
A dual band antenna for a radio terminal consists of a retractable whip antenna and a helical antenna with irregular pitches, wherein the whip antenna is...
US-6,198,439 Multifunction printed-circuit antenna
The multifunction printed-circuit antenna is designed for the reception of radioelectric waves sent by the GPS, GLONASS and MLS radio navigation systems. It...
US-6,198,438 Reconfigurable microstrip antenna array geometry which utilizes micro-electro-mechanical system (MEMS) switches
A reconfigurable microstrip antenna array geometry which utilizes Micro-Electro-Mechanical System (MEMS) switches to electrically connect groups of printed patch...
US-6,198,437 Broadband patch/slot antenna
A broadband microwave coplanar antenna suitable for use in singular antenna or antenna array dispositions in a plurality of military and other present day uses....
US-6,198,436 Integrated interferometer and instantaneous frequency measurement device and method
An integrated receiver includes an Instantaneous Frequency Measurement (IFM) device, an interferometer and switches. The IFM receives signals from a target and...
US-6,198,435 System and method for improved trunking efficiency through sector overlap
A system and method are disclosed for improving trunking efficiency of a sectored cell by providing overlapping sectors. The disclosed invention teaches the use...
US-6,198,434 Dual mode switched beam antenna
Systems and methods for providing antenna beams having reduced grating and side lobes when steered off of the antenna broadside are disclosed. According to the...
US-6,198,433 Multiple-beam electronic scanning antenna
A multiple-beam electronic scanning antenna including an array of phase-shifters (2, D.sub.ij). The N simultaneous beams are obtained in N directions by a law of...
US-6,198,432 Method and apparatus for automatic and autonomous assignment of PRN codes to a multiplicity of pseudolites
A pseudolite for transmitting a global positioning system (GPS) signal having identification information for a GPS satellite that is currently out-of-view. The...
US-6,198,431 Compact GPS tracker and customized mapping system
A light weight compact portable GPS receiver and transmitter for use on the person during outdoor activity, data logging receiver, data logging software...
US-6,198,430 Enhanced differential GNSS carrier-smoothed code processing using dual frequency measurements
A method of generating a differentially corrected pseudorange residual in a differential global positioning system includes tracking at a base station first and...
US-6,198,429 Radar and like systems and method for improving image quality
The present invention provides a radar apparatus and like systems and method which comprise coordinate converting means for signals defined in a polar coordinate...
US-6,198,428 Three-dimensionally designed display radar
A three-dimensionally designed display radar in which a two-dimensional image data and three-dimensionally designed image data are depicted in combination in a...
US-6,198,427 Doppler complex FFT police radar with direction sensing capability
A series of police doppler single mode radars and a multimode police doppler radar, all with direction sensing capability are disclosed. A quadrature front end...
US-6,198,426 Method and apparatus for detecting road circumstances around a traveling vehicle and a recording medium for...
The present position of a previously recognized stationary object group (SOp) is estimated based on past position data and the movement of the traveling vehicle...
US-6,198,425 Pulse doppler target detecting device
A target detection device of the electromagnetic transmitter-receiver reaction type comprising a radio frequency oscillator which is integral with its radiating...
US-6,198,424 Multiple process product interface detection for a low power radar level transmitter
Disclosed is a low power time domain reflectometry radar (LPTDRR) level transmitter for calculating levels of first and second products in a tank. A termination...
US-6,198,423 Analog-to-digital converter system having enhanced digital self-calibration
An analog-to-digital converter system 10 is provided that comprises an analog-to-digital converter pipeline 12 coupled to a memory system 14 and a calibration...
US-6,198,422 Low-voltage analog-to-digital converter
A low-voltage A/D converter is provided which improves resolution by applying a sampling block at input terminal of a comparator to 0.about.Vdd period. The...
US-6,198,421 Neural-flash analog-to-digital converter using weighted current similation
One embodiment of the present invention provides a flash analog-to-digital converter (ADC) based on a feedforward perceptron. The ADC includes a plurality of N...
US-6,198,420 Multiple level quantizer
A DC coupled serial data stream receiver system utilizing a switched capacitor based differencing front end which compares the instantaneous value of an analog...
US-6,198,419 Method and apparatus for extending the spurious free dynamic range of a digital-to-analog converter
A DAC system provides an expanded SFDR when compared to the SFDR of an individual DAC(s) that makes up the DAC system. The DAC system uses a clipping arrangement...
US-6,198,418 Digital-to analog converter accurately testable without complicated circuit configuration, semiconductor...
A digital-to-analog converter has two power supply nodes connected through a ladder-type resistor network to n-p-n bipolar transistors supplied with a reference...
US-6,198,417 Pipelined oversampling A/D converter
A pipelined oversampling analog-to-digital converter having a first conversion block including inputs for receiving an analog input signal and an analog...
US-6,198,416 Linearity error compensator
In one aspect, the present invention is directed to a compensator for compensating linearity errors, such as harmonic distortion and intermodulation distortion,...
US-6,198,415 Serial-to-parallel converter
A control voltage is supplied from a phase locked loop (PLL), which includes a phase detector and a voltage controlled oscillator (VCO), to a delay circuit. The...
US-6,198,414 Dual rate transmission scheme and apparatus using the same
An analog signal, for example in a sound recording process, is converted into an input series of digital signals and is then encoded using a special differential...
US-6,198,413 Partitioned DC balanced (0,6) 16B/18B transmission code with error correction
A coding system includes methods and apparatus for producing a (0,6) run length limited rate 16B/18B code. The code produced is dc balanced and capable of...
US-6,198,412 Method and apparatus for reduced complexity entropy coding
Transform encoding techniques are disclosed which permit reductions in entropy coding memory requirements. In an illustrative embodiment, a selected discrete...
US-6,198,411 Method of determining the first sector on a recording medium
A method of determining a first sector within a zone on a recording medium. The recording medium has several zones, each zone having several subtracks, each...
US-6,198,410 Illuminatable traffic sign
An illuminatable traffic sign including a traffic sign secured to a support post. The traffic sign has indicia disposed thereon. The traffic sign has an outer...
US-6,198,409 Vehicle rearview mirror display system
A vehicle blind spot detection display system displays indications from a blind spot detector. The system includes a first indicator assembly positioned on the...
US-6,198,408 Method and apparatus for controlling electrical appliances by remote control transmitters
A method and apparatus for controlling an electrical appliance by means of a command signal transmitted by a particular remote control transmitter, by means of a...
US-6,198,407 Radio paging receiver
A Radio Paging Receiver includes several types of notifying elements such as a speaker, vibrator, and an LED, and a memory for storing notification information...
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