Television – Camera – system and detail – Optics
Reexamination Certificate
2005-09-14
2010-06-29
Tran, Sinh (Department: 2622)
Television
Camera, system and detail
Optics
C348S348000, C348S353000, C348S356000
Reexamination Certificate
active
07746403
ABSTRACT:
This invention allows focus detection devices to be smoothly and quickly switched even if different image capturing frame counts or image capturing field counts are set in accordance with image capturing purposes. An AF system selection unit switches focus detection methods based on a direct distance measurement AF unit and captured signal AF detection unit in accordance with the frame count or field count of a captured signal.
REFERENCES:
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patent: 6130417 (2000-10-01), Hashimoto
patent: 7058294 (2006-06-01), Nakahara
patent: 2002/0154909 (2002-10-01), Yamazaki et al.
patent: 2005/0031330 (2005-02-01), Nonaka et al.
patent: 03-081713 (1991-04-01), None
patent: 2001-141984 (2001-05-01), None
patent: 2001-264622 (2001-09-01), None
Canon Kabushiki Kaish
Cowan Liebowitz & Latman P.C.
Cutler Albert H
Tran Sinh
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