Optical radar apparatus

Details Optical radar apparatus Optical radar apparatus

1998-05-28

2000-07-25

Buczinski, Stephen C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

359601, 359614, 359688, G01C 308, G02B 2700, G02B 1514

Patent

active

060942584

ABSTRACT:
An optical radar apparatus is provided with a light-emitting device 1 for emitting light and a fixed mirror 4 including a mirror for reflecting and transmitting the emitted light and a supporting member for supporting the mirror, wherein the mirror is fixed such that a reflecting surface of the mirror corresponds to an indent (drawn portion) provided in the supporting member so as to eliminate dispersion of the light due to distortion of the reflecting surface of the mirror. In addition, to eliminate internal reflection in the interior of the light-emitting device 1, the reflection of the light is suppressed by coloring the inner surfaces of the light-emitting device 1, for instance, in black or in a color for absorbing the light, or by attaching a woolen cloth thereto.

REFERENCES:
patent: 3551050 (1970-12-01), Thorlin
patent: 3626170 (1971-12-01), Schwan
patent: 3781111 (1973-12-01), Fletcher et al.
patent: 3857029 (1974-12-01), Krinke
patent: 5699150 (1997-12-01), Katayama

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