发明名称 |
Focusing device for beam projector |
摘要 |
A focusing device for a beam projector which includes a casing; a lens holder having at least one lens which is movable forward or backward in the direction of the optical axis; a movable member located at a side of the lens holder to be movable parallel to the direction of the optical axis together with the lens holder; and a control knob located adjacent to the lens holder and rotatably coupled on the casing. |
申请公布号 |
US8331046(B2) |
申请公布日期 |
2012.12.11 |
申请号 |
US20100888056 |
申请日期 |
2010.09.22 |
申请人 |
PARK JOONG-WAN;PARK MUN-KUE;SAMSUNG ELECTRONICS CO., LTD |
发明人 |
PARK JOONG-WAN;PARK MUN-KUE |
分类号 |
G02B7/02 |
主分类号 |
G02B7/02 |
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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