The patent relates to a low altitude optical range finder for measuring the range from an aircraft or other vehicle to the sea, ground terrain or other object. A source of narrow beam ultraviolet light is attached at one point on the vehicle and illuminates the object. An electromagnetically deflecting image intensifier and photodiode array combination is attached to another point of the vehicle (remote from the first point) for measuring the angle of arrival of the reflected ultraviolet light and, thereby, the range to the object. (Author)
Low Altitude Optical Altimeter
1976
5 pages
Report
No indication
English
Low Altitude Optical Altimeter
NTIS | 1976
|High Altitude Altimeter Flight Test
NTIS | 1978
|Radar Altimeter Low Altitude Control System. BQM-34A
NTIS | 1969
|Precision altitude control system of unmanned aerial vehicle using altimeter
European Patent Office | 2019
Precision altitude control system of unmanned aerial vehicle using altimeter
European Patent Office | 2018
|