[특허]Air traffic surveillance and communication system

Air traffic surveillance and communication system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01S-013/93 G01S-013/74
출원번호	US-0192327 (1994-02-04)
발명자 / 주소	Schuchman Leonard (Potomac MD) Bruno Ronald C. (Arlington VA) Kefaliotis John (McLean VA) Greenberg Steve (Reston VA) Zakrzewski Edward J. (Reston VA)
출원인 / 주소	Stanford Telecommunications, Inc. (Reston VA 02)
인용정보	피인용 횟수 : 110 인용 특허 : 0

초록 ▼

An air traffic surveillance and communication system for air traffic controllers, includes a plurality of ground based first radio transceivers located in specific geographic sectors, respectively, and having a first frequency channel for supporting party-line digital voice and a second frequency channel dedicated to supporting a digital data channel for down-linking dependent surveillance data and for both up-link and down-link data communications. The first and second frequency channels are paired such that each time a frequency change is commanded by the ground both the first and second frequency channels will be automatically tuned to a new air-ground frequency paid. The system also includes a plurality of aircraft based second digital radio transceivers, one located in each aircraft. Each second radio transceiver has corresponding first and second frequency channels and a navigational data source on each aircraft. The navigational data source incorporates triply redundant GPS receivers for producing highly accurate aircraft navigation data selected from aircraft latitude, longitude, altitude, speed, heading and glide data which is coupled to the respective aircraft transceiver for transmission on said second channel to at least one of the plurality of ground based first radio transceivers. Each ground based first radio transceiver has a communication controller for formatting up-link data and separating down-linked surveillance data and disseminating same to air traffic controllers in the sectors of said aircraft. In a preferred embodiment, in a TDMA format with digital radio transceiver operates with a 12.5 kHz spacing, differential QPSK signal modulation is used and each broadcast is by short transmission bursts having a guard band signal preamble and a management/user data field.

대표청구항 ▼

Air traffic surveillance and communication system for air traffic controllers, comprising: a plurality of ground based first digital radio transceiver means, each first digital radio transceiver means being located in specific geographic sectors, respectively, and having a first frequency channel for supporting party-line digital voice, and a second frequency channel dedicated to supporting a digital data channel for down-linking surveillance data and for both up-link and down-link data communications, said first and second frequency channels being paired such that each time a frequency change is commanded by the ground both the first and second frequency channels will be simultaneously and automatically tuned to a new air-ground frequency pair, a plurality of aircraft based second digital radio transceiver means, one located in each aircraft, each second radio transceiver having further paired first and second frequency channels which correspond to the paired first and second frequency channels in said plurality of ground based first digital radio transceiver means, a navigational data source on each aircraft, said navigational data source including GPS receiver means for producing aircraft navigation data selected from aircraft latitude, longitude, altitude, speed, heading and glide, and means coupling said navigational data source to the respective aircraft transceiver for transmission on said second channel to at least one of said plurality of ground based first radio transceiver means, each said ground based first radio transceiver means having a communication controller for formatting up-link data and separating down-linked surveillance data and disseminating same to air traffic controllers in the sectors of said aircraft.

이 특허를 인용한 특허 (110)

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Wright,Thomas H.; Ziarno,James J., Wireless, ground link-based aircraft data communication system with roaming feature.
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Wright,Thomas H.; Ziarno,James J., Wireless, ground link-based aircraft data communication system with roaming feature.
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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

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
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Air traffic surveillance and communication system 원문보기

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연구과제 타임라인

이 특허를 인용한 특허 (110)

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Air traffic surveillance and communication system 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (110)

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