Television – Camera – system and detail – Optics
Reexamination Certificate
2004-08-27
2008-09-09
Ye, Lin (Department: 2622)
Television
Camera, system and detail
Optics
C348S240100, C348S345000, C348S348000, C348S353000
Reexamination Certificate
active
07423685
ABSTRACT:
An image-taking apparatus capable of appropriate AF control without depending on a zoom enlargement ratio is disclosed. The image-taking apparatus includes a signal processing section which generates an image signal based on the output signal of an image-pickup device and has an electronic zoom function electrically processing part of the image signal to generate an enlarged output image and a controller which controls the driving of the focus lens by using a first control method and a second control method which is different from the first control method. The controller changes a control method to be used between the first and second control method in a first zooming state including at least a state in which the electronic zoom function is not in use and a second zooming state using the electronic zoom function which has a zoom enlargement ratio larger than that of the first zooming state.
REFERENCES:
patent: 6236431 (2001-05-01), Hirasawa et al.
patent: 7116364 (2006-10-01), Battles et al.
patent: 2004/0037546 (2004-02-01), Nonaka
patent: 2005/0036775 (2005-02-01), Morimoto
patent: 2005/0104994 (2005-05-01), Morimoto
patent: 2002-258147 (2002-09-01), None
Pasiewicz Daniel M
Ye Lin
LandOfFree
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