Television – Camera – system and detail – With electronic viewfinder or display monitor
Reexamination Certificate
2006-12-12
2010-02-23
Villecco, John M (Department: 2622)
Television
Camera, system and detail
With electronic viewfinder or display monitor
Reexamination Certificate
active
07667758
ABSTRACT:
A digital single-lens reflex camera determines whether a predetermined time has passed since the start of display. If the predetermined time has not passed yet, the camera performs face detection to determine if a user is looking into an optical finder of the camera. When the face detection is performed, a system control circuit identifies the present content displayed. When the displayed content is an ordinary image, photographing information, or attention-seeking alert, display of the content is immediately stopped. When the displayed content is alert prohibiting imaging, it is checked whether a switch operation has been performed. If the switch operation has not been performed at all, or a switch operation for canceling the displayed alert has not been performed, timer counting is cleared before the timer counting is initiated again.
REFERENCES:
patent: 5699115 (1997-12-01), Hiraki et al.
patent: 5745798 (1998-04-01), Hirasawa
patent: 6091450 (2000-07-01), Hirasawa
patent: 7030928 (2006-04-01), Inagaki
patent: 08331438 (1996-12-01), None
patent: 2003319213 (2003-11-01), None
patent: 2004-201104 (2004-07-01), None
Canon Kabushiki Kaisha
Canon USA Inc. IP Div
Villecco John M
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