Method for a non-retarded shutter release of rotary shutters in

Details Method for a non-retarded shutter release of rotary shutters in Method for a non-retarded shutter release of rotary shutters in

1985-05-28

1986-10-14

Griffin, Donald A.

G03B 2900

Patent

active

046169113

ABSTRACT:
The invention relates to a method for a non-retarded shutter release of a rotary sector shutter, particularly for use in photogrammetrical aerial cameras comprising a computer means which via a control means for rotating the rotary sectors of the shutter sets the latter to a rate of rotations in a manner that the time of photograph sequence is a multiple integer of the time interval between two feasible open times of the shutter. Probable incorrect exposures are eliminated by a variation of the diaphragm setting.

REFERENCES:
patent: 2683402 (1954-07-01), Bruck
patent: 2792767 (1957-05-01), Schmidt
patent: 3687035 (1972-08-01), Morgan et al.
patent: 4490028 (1984-12-01), Kucker

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