Electronic flash apparatus for a camera

Details Electronic flash apparatus for a camera Electronic flash apparatus for a camera

1979-06-07

1981-03-31

Gellner, Michael L.

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Plural load device systems

315133, 354128, G03B 1718

Patent

active

042589916

ABSTRACT:
An electronic flash apparatus for a camera is provided with a main discharge capacitor, a charging means for charging the capacitor, a flash discharge tube which radiates light through the discharge of a charge stored in the capacitor, and a display section for displaying an exposure condition at the time of photograph. The display section includes a display portion for displaying an F-number corresponding to a film sensitivity, a portion for displaying a plurality of photographable distances corresponding to a charged voltage across the capacitor and the F-number and a charged voltage discriminating circuit having a plurality of light emission elements for successively and stepwisely emitting light as the charged voltage across the capacitor increases.

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