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

1992-11-12

1994-05-31

Perkey, W. B.

3541271, G03B 1505

Patent

active

053173619

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 the photographing condition is judged that red-eye effect is possible to occur, a controller activates the electronic flash device to effect a pre-light-emission for reducing the size of pupils of eyes of the photographing object, before the main flashing which is executed in synchronization with the exposure.

REFERENCES:
patent: 3548726 (1970-12-01), Mori et al.
patent: 4443086 (1984-04-01), Hosoe et al.
patent: 4978989 (1990-12-01), Nakano et al.
patent: 4999663 (1991-03-01), Nakamura
patent: 5063402 (1991-11-01), Shimada et al.

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