[특허]Two channel global positioning system receiver

[미국특허] Two channel global positioning system receiver 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01S-005/02 H04B-007/185 H04B-015/00
출원번호	US-0732378 (1991-07-18)
발명자 / 주소	King Thomas M. (Tempe AZ) Kennedy Howard L. (Phoenix AZ)
출원인 / 주소	Motorola, Inc. (Schaumburg IL 02)
인용정보	피인용 횟수 : 37 인용 특허 : 0

초록 ▼

A method and apparatus for operating a two channel digital global positioning system receiver for receiving coded satellite signals from each of a plurality of satellites, where the signals exhibit Doppler shifts. The method comprises the steps of continuously tracking of a particular one of the satellites for receiving information included in the coded satellite signals by one channel of the receiver, and sequentially tracking of each of the plurality of satellites, except the one particular satellite, by the other channel of the receiver for receiving information included in the coded satellite signals.

대표청구항 ▼

A method for operating a two channel digital global positioning system receiver for receiving coded satellite signals from each of a plurality of satellites, the signals exhibiting Doppler shifting, the method comprising the steps of: continuously tracking by a first channel of the receiver a particular one of the satellites for receiving information included in the coded satellite signals; and sequentially tracking by a second channel of the receiver each of the plurality of satellites, except the one particular satellite, for receiving information included in the coded satellite signals.

이 특허를 인용한 특허 (37) 인용/피인용 타임라인 분석

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Abraham,Charles; Fuchs,Donald L., Apparatus for computing signal correlation at multiple resolutions.
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Mickelson Wilmer A., Attitude determination system with sequencing antenna inputs.
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Hoffberg, Steven M., Detection and alert of automobile braking event.
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Gronemeyer, Steven A., Doppler corrected spread spectrum matched filter.
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Briskman Robert D. ; Nelson Robert A., Efficient high latitude service area satellite mobile broadcasting systems.
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Briskman, Robert D.; Nelson, Robert A., Efficient high latitude service area satellite mobile broadcasting systems.
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Da, Ren; Vannucci, Giovanni, GPS signal acquisition based on frequency-domain and time-domain processing.
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Hoffberg, Steven M.; Hoffberg-Borghesani, Linda I., Internet appliance system and method.
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Kurby Christopher Neil, Method and apparatus for a global positioning data service.
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Kurby Christopher Neil ; King Thomas Michael, Method and apparatus for an acquisition-aided Geo-locating subscriber unit.
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Thomas M. King ; George J. Geier ; Yilin Zhao, Method and apparatus for assisted GPS integrity maintenance.
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King Thomas M. ; Geier George J. ; Zhao Yilin ; Hart Roger C., Method and apparatus for assisted GPS protocol.
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Abraham, Charles; Fuchs, Donald L., Method and apparatus for computing signal correlation at multiple resolutions.
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Simic, Emilija; Patrick, Christopher; Rowitch, Douglas, Method and apparatus for optimizing GPS-based position location in presence of time varying frequency error.
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Goldberg, Jason; Abraham, Charles; Tapucu, Emre, Method and apparatus for performing frequency synchronization.
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Goldberg, Jason; Abraham, Charles; Tapucu, Emre, Method and apparatus for performing frequency synchronization.
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Abraham, Charles, Method and apparatus for performing signal correlation.
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Abraham, Charles; de la Porte, Serge; Podshivalov, Sergei, Method and apparatus for performing signal correlation.
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Abraham,Charles; de la Porte,Serge; Podshivalov,Sergei, Method and apparatus for performing signal correlation.
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Abraham, Charles; Fuchs, Donald L., Method and apparatus for performing signal correlation at multiple resolutions to mitigate multipath interference.
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Abraham, Charles; Fuchs, Donald L., Method and apparatus for performing signal correlation at multiple resolutions to mitigate multipath interference.
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Abraham, Charles; Tapucu, Emre, Method and apparatus for performing signal correlation using historical correlation data.
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Abraham, Charles; van Diggelen, Frank, Method and apparatus for performing signal correlation using historical correlation data.
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Abraham, Charles; Tapucu, Emre, Method and apparatus for performing signal processing using historical correlation data.
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Hoffberg, Steven M., Mobile communication device.
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Hoffberg, Steven M., Mobile communication device for delivering targeted advertisements.
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Briskman Robert D. (North Bethesda MD), Mobile radio receivers using time diversity to avoid service outages in multichannel broadcast transmission systems.
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Briskman Robert D., Satellite broadcast receiver system.
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King, Thomas Michael, Satellite positioning system receiver with reference oscillator circuit and methods therefor.
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Uehara Gregory T., Spread-spectrum continous-time analog correlator and method therefor.
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Underbrink, Paul A.; Gronemyer, Steven A., System and method for despreading in a spread spectrum matched filter.
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Underbrink, Paul A.; Gronemyer, Steven A., System and method for despreading in a spread spectrum matched filter.
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Vannucci Giovanni, Telecommunications-assisted satellite positioning system.
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Gaboury Michael ; Feng Xiaoxin, Vortex serial communications.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Two channel global positioning system receiver 원문보기