Optics: measuring and testing – Range or remote distance finding – With photodetection
Patent
1977-11-30
1979-08-28
Buczinski, S. C.
Optics: measuring and testing
Range or remote distance finding
With photodetection
350 12, 350 91, 350172, G01C 308, G02B 2714
Patent
active
041659368
ABSTRACT:
The range finder is of the type for transmitting and receiving a modulated beam of light for the distance determination to a remote reflector and has an integrated sighting telescope for sighting the reflector or some other target.
The coaxial transmitting and receiving optical system and the sighting telescope have a common optical axis.
A beam deflector which deflects into the optical axis the transmitting beam coming from an infra-red radiation-emitting source is arranged in the vicinity of the position at which there is an intermediate image formation of the transmitting beam path.
A dielectric coating system which is permeable by visible light is arranged approximately perpendicular to the common optical axis. It is on one side bounded by air and is arranged in such a way that the transmitting beam from the beam deflector strikes the coating system in an almost perpendicular manner.
REFERENCES:
patent: 3698812 (1972-10-01), Nelson
patent: 3857626 (1974-12-01), Rosenberger et al.
patent: 3918793 (1975-11-01), Kraft
patent: 3992629 (1976-11-01), Chapman
patent: 4113381 (1978-09-01), Epstein
Eisenring Josef
Hildebrand Klaus W.
Tanner Jakob
Buczinski S. C.
Wild Heerbrugg Aktiengesellschaft
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