Control device and method for preventing red-eye effect

Photography – With object illumination for exposure – Having preexposure illumination

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396159, G03B 1505

Patent

active

057200386

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

REFERENCES:
patent: 3727100 (1973-04-01), Kuraishi et al.
patent: 4067030 (1978-01-01), Kuramoto et al.
patent: 4285588 (1981-08-01), Mir
patent: 4358187 (1982-11-01), Kondo et al.
patent: 4881013 (1989-11-01), Kataoka et al.

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