Invention Grant
US08395695B2 Auto focusing apparatus and control method capable of selecting a main area and/or an auxiliary area of a frame as a focus detection area
有权
能够选择框架的主区域和/或辅助区域作为焦点检测区域的自动对焦装置和控制方法
- Patent Title: Auto focusing apparatus and control method capable of selecting a main area and/or an auxiliary area of a frame as a focus detection area
- Patent Title (中): 能够选择框架的主区域和/或辅助区域作为焦点检测区域的自动对焦装置和控制方法
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Application No.: US12836196Application Date: 2010-07-14
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Publication No.: US08395695B2Publication Date: 2013-03-12
- Inventor: Akiko Uehara
- Applicant: Akiko Uehara
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Cowan, Liebowitz & Latman, P.C.
- Priority: JP2009-189579 20090818
- Main IPC: G03B13/00
- IPC: G03B13/00 ; H04N5/232
Abstract:
The invention includes steps of setting a main area set within the frame of a photographed image signal, and a plurality of auxiliary areas each of which is smaller than the main area, selecting one or a plurality of focus detection areas from the main area and the auxiliary areas in accordance with the in-focus position of a focus lens based on the focus signals of the main area and the auxiliary areas, and controlling the focus lens to move to the in-focus position of the focus lens in the focus detection area selected in the selecting step.
Public/Granted literature
- US20110043680A1 AUTO FOCUSING APPARATUS AND CONTROL METHOD Public/Granted day:2011-02-24
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