Range meter for camera

Details Range meter for camera Range meter for camera

1992-06-30

1993-06-29

Adams, Russell E.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356 1, G03B 1336

Patent

active

052238857

ABSTRACT:
A range meter for a camera has a plurality of irradiation sources for irradiating beams in different directions, and a plurality of receivers for receiving reflected irradiation, the receivers providing outputs responsive to the point of the respective receiver that receives irradiation. In order to adapt the meter for measurement in different distance ranges, the outputs of the receivers are sensed in response to irradiation from different sets of the sources.

REFERENCES:
patent: 4534636 (1985-08-01), Sugawara
patent: 4740806 (1988-04-01), Takehana
patent: 4827303 (1989-05-01), Tsuboi
patent: 4983033 (1991-01-01), Suzuki
patent: 5006700 (1991-04-01), Kusaka et al.

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