Optics: measuring and testing – Range or remote distance finding – With photodetection
Patent
1992-10-16
1994-06-14
Hellner, Mark
Optics: measuring and testing
Range or remote distance finding
With photodetection
342 29, G01C 308
Patent
active
053214897
ABSTRACT:
A method and system for the avoidance of collisions among aircraft in which monochromatic radiation is transmitted from an aircraft fitted out with a wide-field optical transceiver. The monochromatic radiation scans the space around the aircraft which defines a zone of proximity. Optical radiation is returned after back reflection off objects which may be sources of danger constituted by other aircraft that have entered the zone of proximity. The radiation received is detected and then processed to deduce therefrom the direction and, as the case may be, the distance of the source of danger. Such a method can be applied especially to the avoidance of collision between non-cooperating aircraft.
REFERENCES:
patent: 4277170 (1981-07-01), Miles
patent: 4527158 (1985-07-01), Runnels
patent: 4755818 (1988-07-01), Conrad
patent: 4925303 (1990-05-01), Pusic
Defour Martin
Grossmann Benoist
"Thomson-CSF"
Hellner Mark
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