Invention Grant
US07880800B2 Auto focus system that controls focusing speeds and movements based on image conditions
失效
基于图像条件控制对焦速度和移动的自动对焦系统
- Patent Title: Auto focus system that controls focusing speeds and movements based on image conditions
- Patent Title (中): 基于图像条件控制对焦速度和移动的自动对焦系统
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Application No.: US11792541Application Date: 2005-09-26
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Publication No.: US07880800B2Publication Date: 2011-02-01
- Inventor: Tadashi Sasaki , Atsushi Kanayama
- Applicant: Tadashi Sasaki , Atsushi Kanayama
- Applicant Address: JP Tokyo
- Assignee: FujiFilm Corporation
- Current Assignee: FujiFilm Corporation
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2004-355332 20041208
- International Application: PCT/JP2005/017602 WO 20050926
- International Announcement: WO2006/061938 WO 20060615
- Main IPC: H04N5/232
- IPC: H04N5/232 ; G03B13/00
Abstract:
An auto focus system is provided in which a focus movement speed and a cut off frequency of a filter for detecting a contrast from a video signal in AF of a contrast detecting system can be manually set in AF, so that an optimum AF can be achieved under various photographing conditions.
Public/Granted literature
- US20080084497A1 Auto Focus System Public/Granted day:2008-04-10
Information query
