Patent
1980-01-11
1980-12-16
Griffin, Donald A.
354219, 354266, G03B 1503, G03B 1302, G03B 1738
Patent
active
042393612
ABSTRACT:
A camera includes a battery-powered electronic strobe flash unit having a flashtube and a capacitor chargeable by the battery for supplying energy to fire the flashtube. A switch has first and second conditions for respectively preventing and causing the charging of the capacitor. A cover member is mounted for movement from (1) a viewfinder-covering position for preventing a scene to be photographed from being framed within the camera's viewfinder, into (2) a viewfinder-uncovering position for permitting the scene to be framed. A shutter release button is coupled to both the switch and the cover member for causing the switch to assume its second condition and the cover member to move into its viewfinder-uncovering position during pre-exposure movement of the release button. This causes charging of the capacitor while a scene is being framed without delaying the photographic exposure.
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patent: 3651372 (1972-03-01), Uchida et al.
patent: 3810227 (1974-05-01), Tanaka
patent: 3946408 (1976-03-01), Taguchi
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patent: 4007469 (1977-02-01), Land et al.
patent: 4084167 (1978-04-01), Iwata
patent: 4112447 (1978-09-01), Iwata
Eastman Kodak Company
Griffin Donald A.
Monteith D. P.
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