Invention Grant
US08508653B2 Autofocus control circuit, autofocus control method, and image pickup apparatus
有权
自动对焦控制电路，自动对焦控制方法以及摄像装置
- Patent Title: Autofocus control circuit, autofocus control method, and image pickup apparatus
- Patent Title (中): 自动对焦控制电路，自动对焦控制方法以及摄像装置
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Application No.: US13137994Application Date: 2011-09-23
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Publication No.: US08508653B2Publication Date: 2013-08-13
- Inventor: Toshiharu Oi
- Applicant: Toshiharu Oi
- Applicant Address: JP Kawasaki-shi, Kanagawa
- Assignee: Renesas Electronics Corporation
- Current Assignee: Renesas Electronics Corporation
- Current Assignee Address: JP Kawasaki-shi, Kanagawa
- Agency: McGinn IP Law Group, PLLC
- Priority: JP2007-279032 20071026
- Main IPC: H04N5/232
- IPC: H04N5/232
Abstract:
An autofocus control circuit, includes a focusing unit determining an in-focus location of a subject image based on a contrast evaluation value of a compressed image data under a first environment, and based on a size of the compressed image data under a second environment.
Public/Granted literature
- US20120019710A1 Autofocus control circuit, autofocus control method, and image pickup apparatus Public/Granted day:2012-01-26
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