发明名称 |
Optical scanning apparatus |
摘要 |
An optical scanning apparatus includes: an optical deflector having a rotatable polygon mirror for reflecting a light beam projected thereon; an ftheta lens for transmitting the light beam refelected on a light reflecting surface of the polygon mirror; a cylindrical lens for transmitting the light beam passing through the ftheta lens; and a sound-insulating case for the ftheta lens having an opening or for the cylindrical lens having an opening, wherein the sound-insulating case houses the optical deflector and the opening of the sound-insulating case is sealed hermetically with the ftheta lens or the cylindrical lens.
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申请公布号 |
US2005270612(A1) |
申请公布日期 |
2005.12.08 |
申请号 |
US20040020849 |
申请日期 |
2004.12.23 |
申请人 |
KONICA MINOLTA BUSINESS TECHNOLOGIES, INC. |
发明人 |
AKIYAMA OSAMU |
分类号 |
G02B7/182;G02B26/08;G02B26/12;(IPC1-7):G02B26/08 |
主分类号 |
G02B7/182 |
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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