发明名称 |
Lens cleaning mechanism, projection lens, and projection type display device |
摘要 |
A lens cleaning mechanism according to the present invention comprises: a cleaning unit (1a) that covers a standby area being a part of the surface of a front lens element (11), as the standby area is pressed, the cleaning unit (1a) being rotationally moved along the surface of the front lens element (11) to slide over the entire surface of the front lens element (11), including a remaining part of the surface and the standby area; a drive unit (3) connected to a holding member (1b); and a control unit (2) for rotationally moving the cleaning unit (1a) by driving the drive unit (3). |
申请公布号 |
US8701240(B2) |
申请公布日期 |
2014.04.22 |
申请号 |
US20080737813 |
申请日期 |
2008.08.22 |
申请人 |
OKAZAWA SHUNSUKE;OKADA TAKAYUKI;NEC DISPLAY SOLUTIONS, LTD. |
发明人 |
OKAZAWA SHUNSUKE;OKADA TAKAYUKI |
分类号 |
B60S1/02 |
主分类号 |
B60S1/02 |
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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