Object detecting apparatus

Details Object detecting apparatus Object detecting apparatus

1979-12-10

1982-03-02

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

340567, G01V 904

Patent

active

043179924

ABSTRACT:
A passive and low cost object detector utilizing a focus module used in auto focus cameras to determine the presence of objects within the field of view of the module.

REFERENCES:
patent: 3191048 (1965-06-01), Cowen
patent: 3631434 (1971-12-01), Schwartz
patent: 3789384 (1974-01-01), Akers
patent: 3875403 (1975-04-01), Svensson
patent: 4068222 (1978-01-01), Treviranus
patent: 4160904 (1979-07-01), Wilwerding
patent: 4173402 (1979-11-01), Horike et al.
patent: 4185192 (1980-01-01), Wagner

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