Camera incorporating automatic focusing apparatus

Details Camera incorporating automatic focusing apparatus Camera incorporating automatic focusing apparatus

Filed on

1987-12-31

Date issued

1989-01-31

Examiner

Adams, Russell E.

Other Related Categories

354415, 354403, 354419, G03B 300

Type

Patent

Status

active

Patent number

048019623

Description

ABSTRACT:
Disclosed is an automatic focusing apparatus for a camera and, more particularly, to an automatic focusing apparatus for a camera of a type which performs a focus detecting operation under emission of auxiliary light when, e.g., luminance is low. In the camera of this type, if a mode of the automatic focusing apparatus is set to a servo mode, the servo mode can be switched to a one-shot mode when the focus detecting operation is to be performed under emission of the auxiliary light. Since the auxiliary light is not continuously emitted, an auxiliary light source is protected.

REFERENCES:
patent: 3813679 (1974-05-01), Hasegawa et al.
patent: 4410261 (1983-10-01), Masunaga et al.
patent: 4459006 (1984-07-01), Sakai et al.
patent: 4474447 (1984-10-01), Kawabata et al.
patent: 4521093 (1985-06-01), Kawabata et al.
patent: 4527880 (1985-07-01), Okino
patent: 4536072 (1985-08-01), Taniguchi et al.
patent: 4609274 (1986-09-01), Iwashita et al.
patent: 4688914 (1987-08-01), Sakai et al.
patent: 4693581 (1987-09-01), Yamaki et al.
patent: 4693582 (1987-09-01), Kawamura et al.

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Also associated with

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