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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0711491 (1991-05-28) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 13 인용 특허 : 0 |
An aircraft upon approaching a runway for a landing receives a “measurable signal”from a transmitter located at the far end of the active runway. The strength of this “measurable signal”is indirectly proportional to the distance between the aircraft and the transmitter. After this signal strength is
An aircraft landing system for determining whether an aircraft can safely land comprising: (a) a transmitter, located at a known location at the end of the runway, for transmitting a signal; (b) a receiver, located on the aircraft, for receiving said transmitted signal; (c) first means for sensing t
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