发明名称 |
Optical apparatus and laser display apparatus having laser beam scanner each |
摘要 |
An optical apparatus is disclosed which has a scanner for scanning a predetermined area with a laser beam. The optical apparatus comprises: a laser source; a scanner having a scanning mirror for causing a laser beam generated by the laser source to scan; an angle sensor for sensing angles of the scanning mirror of the scanner; a fault detection block for determining whether the scanning mirror operates safely and normally based at least on angle information coming from the angle sensor; and a projection control block for controlling projection of the laser beam based on fault detection information coming from the fault detection block.
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申请公布号 |
US6903857(B2) |
申请公布日期 |
2005.06.07 |
申请号 |
US20040878333 |
申请日期 |
2004.06.29 |
申请人 |
SONY CORPORATION |
发明人 |
SAKAI YOSHITSUGU |
分类号 |
G02B26/10;G02B26/08;H04N3/08;(IPC1-7):G02B26/08 |
主分类号 |
G02B26/10 |
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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