Television – Camera – system and detail – With object or scene illumination
Reexamination Certificate
2008-09-02
2008-09-02
Tran, Nhan T. (Department: 2622)
Television
Camera, system and detail
With object or scene illumination
C348S370000, C396S155000, C396S157000
Reexamination Certificate
active
10731861
ABSTRACT:
A flash apparatus to perform preliminary flashing, detect an average brightness of surroundings in synchronization with a periodic signal subsequent to the preliminary flashing, and set main flashing time according to the detected average brightness, is controlled by controlling the flash apparatus to start preliminary flashing at a point earlier than a first point at which either a rising edge or a falling edge of a first pulse of the periodic signal is generated, detecting a first average brightness of surroundings at the first point, controlling the flash apparatus to terminate the preliminary flashing at a point later than the first point, detecting a second average brightness of surroundings at a second point at which either a rising edge or a falling edge of a second pulse subsequent to the first pulse of the periodic signal is generated, setting the main flashing time according to the detected first and second average brightness, and controlling the flash apparatus to perform main flashing according to the set main flashing time.
REFERENCES:
patent: 5539456 (1996-07-01), Ishii
patent: 5839005 (1998-11-01), Fukui
patent: 5946035 (1999-08-01), Suh
patent: 5950023 (1999-09-01), Hara et al.
patent: 6069659 (2000-05-01), Nakajima
patent: 6272292 (2001-08-01), Iwasaki et al.
patent: 6753920 (2004-06-01), Momose et al.
Bemben Richard M
Drinker Biddle & Reath LLP
Samsung Techwin Co. Ltd.
Tran Nhan T.
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