发明授权
US07909466B2 Project equipped with ultrasonic speaker, and method for displaying sound reproduction range in projector
有权
配有超声波扬声器的项目,以及在投影机中显示声音再现范围的方法
- 专利标题: Project equipped with ultrasonic speaker, and method for displaying sound reproduction range in projector
- 专利标题(中): 配有超声波扬声器的项目,以及在投影机中显示声音再现范围的方法
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申请号: US10589685申请日: 2005-02-16
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公开(公告)号: US07909466B2公开(公告)日: 2011-03-22
- 发明人: Yoshiki Fukui , Akihito Uetake
- 申请人: Yoshiki Fukui , Akihito Uetake
- 申请人地址: JP
- 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
- 代理机构: Harness, Dickey & Pierce, P.L.C.
- 优先权: JP2004-043109 20040219
- 国际申请: PCT/JP2005/002826 WO 20050216
- 国际公布: WO2005/081575 WO 20050901
- 主分类号: G03B31/00
- IPC分类号: G03B31/00 ; G03B21/00 ; G01N29/00 ; H04R3/00
摘要:
A projector includes an ultrasonic speaker, a visual information generation unit that generates visual information relating to a sound reproduction range of the ultrasonic speaker, and an image projection unit that displays the visual information generated by the visual information generation unit on a screen.
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