Photography – With object illumination for exposure – Having preexposure illumination
Patent
1996-09-05
1997-09-02
Perkey, W. B.
Photography
With object illumination for exposure
Having preexposure illumination
396264, G03B 1503, G03B 1718
Patent
active
056642415
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: 3778672 (1973-12-01), Fountain
patent: 4285588 (1981-08-01), Mir
patent: 4295717 (1981-10-01), Kitagawa
patent: 4305647 (1981-12-01), Ishida
patent: 4615599 (1986-10-01), Kataoka et al.
patent: 5317361 (1994-05-01), Fukuhara et al.
Fukuhara Toru
Hara Masaharu
Kanai Hachiro
Sosa Toshio
Yokonuma Norikazu
Nikon Corporation
Perkey W. B.
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