- Patent Title: Display processing device and projection type image display device
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Application No.: US15306929Application Date: 2015-03-10
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Publication No.: US10007173B2Publication Date: 2018-06-26
- Inventor: Yukihiro Sasazaki , Jun Nishikawa
- Applicant: SONY CORPORATION
- Applicant Address: JP Tokyo
- Assignee: SONY CORPORATION
- Current Assignee: SONY CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Chip Law Group
- Priority: JP2014-096325 20140507
- International Application: PCT/JP2015/056932 WO 20150310
- International Announcement: WO2015/170507 WO 20151112
- Main IPC: G03B21/14
- IPC: G03B21/14 ; G02B7/09 ; H04N9/31 ; G03B21/28 ; G03B21/00
Abstract:
A display processing device includes a focus control unit configured to control a focal length in at least a central area of a projection image in accordance with a user operation, the projection image being enlarged and projected from a projection optical system capable of setting the focal length of the projection image at a short range.
Public/Granted literature
- US20170045809A1 DISPLAY PROCESSING DEVICE AND PROJECTION TYPE IMAGE DISPLAY DEVICE Public/Granted day:2017-02-16
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