发明授权
- 专利标题： Projection display device and method of controlling the same
- 专利标题（中）： 投影显示装置及其控制方法
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申请号： US13281698申请日： 2011-10-26
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公开(公告)号： US08794768B2公开(公告)日： 2014-08-05
- 发明人: Takaaki Ozawa
- 申请人： Takaaki Ozawa
- 申请人地址： JP Tokyo
- 专利权人： Seiko Epson Corporation
- 当前专利权人： Seiko Epson Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： ALG Intellectual Property, LLC
- 优先权： JP2010-241846 20101028; JP2011-204288 20110920
- 主分类号： G03B21/20
- IPC分类号： G03B21/20 ; G06F3/042 ; H04N3/23
摘要：
A projection display device including: an image projection section configured to project an image toward a projection surface; an imaging section configured to shoot the image projected on the projection surface; a location specifying section configured to specify a location of a position indication light based on a shot image by the imaging section; and a display control section configured to set a projection range of the image to a range including an image area corresponding to the location specified by the location specifying section, and to alter the projection range of the image in accordance with the set projection range.
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