Image pickup apparatus with light emission control adapted...

Details Image pickup apparatus with light emission control adapted... Image pickup apparatus with light emission control adapted...

2004-09-15

2009-06-02

Worku, Negussie (Department: 2625)

Facsimile and static presentation processing

Facsimile

Picture signal generator

C358S475000, C358S509000, C382S254000, C382S167000

Reexamination Certificate

active

07542182

ABSTRACT:
An electronic flash light is emitted from a camera by causing light-emitting diodes corresponding to red, green and blue simultaneously. Light emission of the light-emitting diodes corresponding to respective colors is controlled in accordance with the light-receiving characteristics of the light-receiving elements. For example, by adjusting the on and off duration ratio of switches in accordance with the light-receiving characteristics, the quantity of light emitted by the light-emitting diodes is adjusted.

REFERENCES:
patent: 6654494 (2003-11-01), Sawada et al.
patent: 2003/0016406 (2003-01-01), Hoshino et al.
patent: 2004/0190092 (2004-09-01), Silverbrook et al.
patent: 2007/0146356 (2007-06-01), Ladouceur
patent: 2008/0180544 (2008-07-01), Drader et al.
patent: 1405619 (2003-03-01), None
patent: 2002-116481 (2002-04-01), None
patent: 2002-122794 (2002-04-01), None
patent: 2003-66519 (2003-03-01), None
Chinese Office Action for Chinese Patent Application No. 200410078944.7 mailed Dec. 7, 2007 with English Translation.
Japanese Office Action with English translation dated Aug. 29, 2006.

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