Range meter for camera

Details Range meter for camera Range meter for camera

1990-12-26

1992-03-24

Adams, Russell E.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356 4, G03B 1336

Patent

active

050992660

ABSTRACT:
A range meter for a camera includes a row of light sources for propagating light to a subject from different directions, and a receiver for receiving reflected light. The receiver provides an output corresponding to a spot thereon at which light is received. The light sources are energized selectively, so that the light sources at the end of the row emit less than the light sources at the center of the row.

REFERENCES:
patent: 4582424 (1986-04-01), Kawabata
patent: 4688919 (1987-08-01), Ogawa et al.
patent: 4954861 (1990-09-01), Nagaoka et al.
patent: 4983033 (1991-01-01), Suzuki

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