Control device for preventing red-eye effect on camera

Details Control device for preventing red-eye effect on camera Control device for preventing red-eye effect on camera

1995-06-07

1997-10-28

Perkey, W. B.

Photography

With object illumination for exposure

Having preexposure illumination

396201, G03B 1503

Patent

active

056825617

ABSTRACT:
A camera capable of operating in a red-eye prevention mode. The camera has an electronic flash device which is activated by a drive circuit in synchronization with the exposure. The electronic flash device also serve as a pre-light-emission device capable of performing pre-light-emission for the purpose of preventing red-eye effect. When it is judged from the photographing condition that red-eye effect may occur, a controller activates the electronic flash device to effect a pre-light-emission for reducing the size of pupils of eyes of a person to photographed, before the main flashing which is executed in synchronization with the exposure.

REFERENCES:
patent: 3953864 (1976-04-01), Iwata et al.
patent: 4285588 (1981-08-01), Min
patent: 4295717 (1981-10-01), Kitagawa

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