AE lock device for camera

Details AE lock device for camera AE lock device for camera

1986-07-24

1988-01-26

Adams, Russell E.

354429, 354460, 354484, G03B 708

Patent

active

047219769

ABSTRACT:
The present invention relates to a so-called AE lock device for camera, and more particularly to such device in which as the object brightness is changing rapidly, when the stored value of brightness at the time of the AE lock is later found to give an improper exposure value, either photographer is warned of this, or the AE lock mode is cancelled automatically.

REFERENCES:
patent: 3836921 (1974-09-01), Mori
patent: 4284341 (1981-08-01), Yamada
patent: 4289389 (1981-09-01), Kobori et al.
patent: 4302083 (1981-11-01), Kawamura et al.
patent: 4325617 (1982-04-01), Sahara et al.
patent: 4435057 (1984-03-01), Nakai et al.
patent: 4615601 (1986-10-01), Okubo
patent: 4636056 (1987-01-01), Kobayashi et al.

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