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

1997-12-09

Perkey, W. B.

Photography

With object illumination for exposure

Having preexposure illumination

396165, G03B 1503

Patent

active

056970021

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 judge 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 be photographed, before the main flashing which is executed in synchronization with the exposure.

REFERENCES:
patent: 4592638 (1986-06-01), Kaneda et al.
patent: 4801964 (1989-01-01), Desormeaux
patent: 4999663 (1991-03-01), Nakamura
patent: 5202720 (1993-04-01), Fujino et al.
patent: 5233374 (1993-08-01), Kanai et al.

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