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특허 상세정보

Airborne surveillance method and system

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G01S-013/93   
미국특허분류(USC) 342/455 ; 342/32 ; 342/37 ; 342/46
출원번호 US-0050716 (1987-05-18)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 62  인용 특허 : 17
초록

An airborne surveillance method and system allows an observer aircraft to determine the position and change of position of a multiplicity of target aircraft and thus allows analysis of collision threats from these aircraft. The system uses a phase comparison direction finding antenna to determine direction of nearby ground based SSRs and all target aircraft of interest. The system further makes use of all other available data including Mode C transponder generated altitude information of the target aircraft, the altitude of the observer aircraft, the rec...

대표
청구항

In an environment having at least one rotating interrogation signal source, a method of locating the position of at least one target object carrying an interrogation signal responsive transponder from an observer object located remotely from said interrogation signal source, the positions of the observer object, target object and interrogation signal source forming a geometrical arrangement, comprising: (a) determining the direction of said interrogation signal source by direction finding on said interrogation signal to develop source direction data; (b)...

이 특허에 인용된 특허 (17)

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이 특허를 인용한 특허 피인용횟수: 62

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