Distance measuring circuit

Details Distance measuring circuit Distance measuring circuit

1984-04-13

1985-08-06

Adams, Russell E.

354409, G03B 300

Patent

active

045332274

ABSTRACT:
A distance measuring circuit controls in a given sequence a distance measuring operation in which a light beam is periodically projected to a target by means of a light projector and reflected light from the target is received by a light receiver, the output signal of which is utilized to determine the distance to the target. When the light projector is not energized, a capacitor is charged by a d.c. source, and discharges to drive the light projector when the light beam is to be projected.

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patent: 4268137 (1981-05-01), Cocron et al.
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patent: 4303319 (1981-12-01), Hell et al.
patent: 4313655 (1982-02-01), Hell et al.
patent: 4344024 (1982-08-01), Cocron
patent: 4357083 (1982-11-01), Johnson et al.

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