Synchronizing mechanism for flash firing and shutter operation

Details Synchronizing mechanism for flash firing and shutter operation Synchronizing mechanism for flash firing and shutter operation

1982-01-08

1983-10-04

Gonzales, John

G03B 1503

Patent

active

044075766

ABSTRACT:
In a camera, a piezoelectric generator is struck by a hammer to produce an electrical pulse for flash firing. A firing spring carrying the hammer engages a shutter blade to drive the blade as the spring is moved to impact the hammer against the crystal. When the firing spring is stopped by the hammer striking the crystal, the shutter blade is catapulted from the firing spring to uncover an exposure aperture in synchronization with the resulting flash illumination.

REFERENCES:
patent: 1954673 (1934-04-01), Krupnick et al.
patent: 3640196 (1972-02-01), Brooks
patent: 3677153 (1972-07-01), Bok
patent: 3699860 (1972-10-01), Winkler
patent: 3706268 (1972-12-01), Engelsmann et al.
patent: 3958259 (1976-05-01), Genesky
patent: 4052730 (1977-10-01), Hochreiter et al.
patent: 4183648 (1980-01-01), Harvey et al.

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