Optics: measuring and testing – Range or remote distance finding – With photodetection
Patent
1981-03-04
1983-11-08
Buczinski, S. C.
Optics: measuring and testing
Range or remote distance finding
With photodetection
343 12R, 343 14, G01C 308, G01S 1308, G01S 1326
Patent
active
044139047
ABSTRACT:
An electro-optical range finder using three modulation frequencies for providing light beams to be projected. The device is characterized by the fact that the highest frequency is not an approximation to the other two frequencies but the other two frequencies are approximation to each other.
REFERENCES:
patent: 3778159 (1973-12-01), Hines et al.
patent: 3832056 (1974-08-01), Shipp et al.
patent: 3900259 (1975-08-01), Mott et al.
patent: 4146328 (1979-03-01), Hullein et al.
patent: 4171907 (1979-10-01), Hill et al.
Hamada Toshio
Ohtomo Fumio
Buczinski S. C.
Tokyo Kogaku Kikai Kabushiki Kaisha
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