发明名称 |
F-theta lens and laser scanning unit including the same |
摘要 |
An f-theta lens and a laser scanning unit including the same are provided. The f-theta lens for a laser scanning unit includes a lens body that to focus incident light onto a scanning surface, and ribs formed on opposite sides of the lens body to protect the lens body, wherein the ribs have variable heights corresponding to a peak height of the lens body such that the ribs are higher than the peak of the lens body at a convex portion of the lens body and lower than the peak of the lens body at a concave portion of the lens body.
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申请公布号 |
US6995919(B2) |
申请公布日期 |
2006.02.07 |
申请号 |
US20040848051 |
申请日期 |
2004.05.19 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
KIM DAE-HWAN |
分类号 |
B41J2/44;G02B3/00;G02B13/00;G02B13/18;G02B26/08;G02B26/10;H04N1/036;H04N1/113 |
主分类号 |
B41J2/44 |
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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