Adjustable zone proximity sensor

Details Adjustable zone proximity sensor Adjustable zone proximity sensor

1984-03-19

1987-04-07

Buczinski, Stephen C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

354403, 354406, G01C 300, G01C 500, G03B 300

Patent

active

046555862

ABSTRACT:
A compact single lens position sensor with adjustable range and detection zone utilizing two pairs of detectors, at least one of which is adjustable in position so as to produce unique signals when an object is in a near zone, ok zone, and far zone.

REFERENCES:
patent: 3682071 (1972-08-01), Hosoe
patent: 3720148 (1973-03-01), Harvey
patent: 3723003 (1973-03-01), Vockenhuber et al.
patent: 3736057 (1973-05-01), Harvey
patent: 3759615 (1973-09-01), Loewe
patent: 3836919 (1974-09-01), Matsumoto et al.

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