Still camera and method for using same

Details Still camera and method for using same Still camera and method for using same

1997-02-03

1998-03-24

Perkey, W. B.

Photography

Camera release control circuit

396432, G03B 1740, G03B 1748

Patent

active

057322945

ABSTRACT:
A still camera (electronic still camera, silver halide still camera, etc.) is provided that performs microphotography without blurring caused by inherent camera vibrations. The still camera includes a front curtain drive assembly that starts a front curtain of the mechanical shutter assembly substantially simultaneously with the driving of a quick-return mirror. A time-monitoring device monitors the passage of time until vibrations caused by the quick-return mirror moving to a position outside of the optical axis position are eliminated. The time-monitoring device can further monitor the time until vibrations caused by driving the front curtain are eliminated. When the time-monitoring device determines that the time required to eliminate the vibrations has elapsed, an exposure time control device starts the electronic shutter assembly.

REFERENCES:
patent: 4021825 (1977-05-01), McCann et al.
patent: 4279487 (1981-07-01), Baker et al.
patent: 5424788 (1995-06-01), Satake et al.

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