发明名称 |
Project Equipped with Ultrasonic Speaker, and Method for Displaying Sound Reproduction Range in Projector |
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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申请公布号 |
US2008212033(A1) |
申请公布日期 |
2008.09.04 |
申请号 |
US20050589685 |
申请日期 |
2005.02.16 |
申请人 |
SEIKO EPSON CORPORATION |
发明人 |
FUKUI YOSHIKI;UETAKE AKIHITO |
分类号 |
G03B21/00;G03B31/00;G03B21/14;H04R1/00;H04R1/02;H04R1/34;H04R3/00;H04R29/00;H04S1/00;H04S7/00 |
主分类号 |
G03B21/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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