| 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... |