Motor driven photographing control circuit

Details Motor driven photographing control circuit Motor driven photographing control circuit

1976-08-06

1977-10-18

Adams, Russell E.

354 38, 354 60R, 354 60L, 354173, G03B 708, G03B 118

Patent

active

040548880

ABSTRACT:
A motor driven photographing control circuit for a double preference type automatic exposure control camera which is used for continuous photographing with a motor drive device attached thereto. When a sum of the shutter time computed by a shutter time computing circuit and the length of time required for a winding operation become longer than a preset photographing cycle in carrying out such continuous photographing, an alarm is displayed giving a warning that photographing in the preset cycle is not possible. Concurrently with this, a stop preference mode of photographing is shifted to a shutter preference mode and the shutter is controlled to be operated at a preset length of time, so that continuous photographing can be accomplished in a set cycle.

REFERENCES:
patent: 3754455 (1973-08-01), Tsujimoto et al.
patent: 3898679 (1975-08-01), Ogiso et al.
patent: 3946409 (1976-03-01), Toyoda
patent: 3994003 (1976-11-01), Iwashita et al.

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