Input circuit for distance measuring apparatus

Details Input circuit for distance measuring apparatus Input circuit for distance measuring apparatus

1984-02-21

1987-10-20

Buczinski, Stephen C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

354403, 356222, 250214P, G01C 300, G01C 500, G03B 300

Patent

active

047010487

ABSTRACT:
An input circuit which converts currents produced from a plurality of photo-sensitive elements arranged in a distance measuring apparatus. The input circuit has a switching element series connected to at least one of the photo-sensitive elements. When the switching element is operated, the output current of one of the photo-sensitive elements is supplied to a converting circuit which converts current into a voltage. Only one converting circuit is present. The output of the converting circuit is produced in a time series to a computing circuit. The computing circuit processes the signal thus received and produces a signal corresponding to an object distance.

REFERENCES:
patent: 4095241 (1978-06-01), Matsumoto
patent: 4096491 (1978-06-01), Wagensonner et al.
patent: 4490036 (1984-12-01), Anagnostopoulos
patent: 4681441 (1987-07-01), Uchidoi et al.

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