Shutter speed setting apparatus

Details Shutter speed setting apparatus Shutter speed setting apparatus

1987-12-23

1989-05-23

Gellner, Michael L.

354418, G03B 7093, G03B 1505

Patent

active

048334995

ABSTRACT:
A shutter speed setting apparatus is provided which is arranged to respond to a main capacitor charge completion signal to judge whether or not the set value of a shutter speed S is higher than a flash synchronization speed S.sub.0. If it is judged that the set value of the shutter speed S is higher than the flash synchronization speed S.sub.0, the set value of the shutter speed S is temporarily stored in the form of a value M and the set value of the shutter speed S is forcibly rewritten with a given speed not higher than the flash synchronization speed S.sub.0. After the main capacitor charge completion signal has disappeared, the set value of the shutter speed S is again rewritten with the temporarily stored value M. If an up/down switch is operated so as to decrease the shutter speed, the set value of the shutter speed S is decreased from the shutter speed which is forcibly rewritten.

REFERENCES:
patent: 4518243 (1985-05-01), Kobayashi

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