Camera with an automatic focusing device

Details Camera with an automatic focusing device Camera with an automatic focusing device

1988-10-11

1988-10-11

Adams, Russel E.

354402, 354409, 354467, 354266, G03B 300

Patent

active

047775041

ABSTRACT:
A camera provided with an automatic focusing device which automatically detects the focus condition of an objective lens and driving the objective lens towards an in-focus position in response to the manual operation to a shutter release button. The operation of the automatic focusing device is actuated by a switching means when the shutter release button is touched by a user's finger or is depressed down after the touching. When the shutter release button is further depressed beyond the first stroke, the operation of the automatic focusing device is inhibited once an in-focus condition is obtained.

REFERENCES:
patent: 4206990 (1980-06-01), Imura et al.
patent: 4274720 (1981-06-01), Tsujimoto
patent: 4295715 (1981-10-01), Breen
patent: 4459006 (1984-07-01), Sakai et al.
patent: 4460258 (1984-07-01), Fukuhara
patent: 4464037 (1984-08-01), Terui et al.
patent: 4474447 (1984-10-01), Kawabata et al.
patent: 4491403 (1985-01-01), Sakai et al.
patent: 4512646 (1985-04-01), Kitaura et al.

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