Optical device

Details Optical device Optical device

1981-07-09

1984-06-19

Corbin, John K.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356 4, G02B 2700

Patent

active

044550650

ABSTRACT:
An optical device in which the projecting beam from beam projector is projected to outside through a part area of an imaging optical system and, of the reflected beam reflected by the outside and entering the imaging optical system, the reflected beam passing through another area of the imaging optical system is received by photoelectric light-receiving element and wherein the beam projecting optical axis of the beam projector and the light-receiving optical axis of the photoelectric light-receiving element are set so that the point of intersection between each of the optical axes and the principal plane of the imaging optical system does not satisfy, on the principal plane, a point-symmetrical relationship with respect to the point of intersection between the principal plane and the optical axis of the imaging optical system.

REFERENCES:
patent: 3756697 (1973-09-01), Nakamura
patent: 4357085 (1982-11-01), Niwa et al.
patent: 4384199 (1983-05-01), Ogino et al.
Tibetts, et al., "Scanning Lens", IBM Technical Disclosure Bulletin, vol. 14, No. 11, 4/72, pp. 3062-3263.

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