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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0709268 (1976-07-28) |
우선권정보 | DT-2444775 (1974-09-19) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 8 인용 특허 : 0 |
An improvement is disclosed in a helicopter adapted to fly while moored to a ground station, being remote-controlled therefrom and having a device for automatic stabilization of the flight attitude, and in which the mooring cable is wound-on and wound-off of a cable drum by a drive device, the impro
In a helicopter adapted to fLy while moored to a ground station and being remote-controlled therefrom, with means in the helicopter for automatic stabilization of the flight attitude, and in which the mooring cable is wound-on and wound-off of a cable drum by a drive means, the improvement comprisin
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