Photography – Control circuit for sequencing at least three functions
Patent
1995-06-07
1997-12-23
Perkey, W. B.
Photography
Control circuit for sequencing at least three functions
396158, G03B 1505
Patent
active
057015198
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: 4285588 (1981-08-01), Mir
patent: 4503508 (1985-03-01), Brooks et al.
Dobashi Toshio
Fukuhara Toru
Hara Masaharu
Sasagaki Nobuaki
Sosa Toshio
Nikon Corporation
Perkey W. B.
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