发明名称 |
Laser scanning unit |
摘要 |
A laser scanning unit includes a housing; an optical system disposed in the housing and including an optical source which emits a laser beam, a polygonal mirror which scans the laser beam, and a plurality of optical elements which image the laser beam on an image surface; a motor disposed in the housing and which rotates the polygonal mirror; and a motor drive chip disposed outside of the housing and which uses a sensorless algorithm to control a rotation speed of the motor.
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申请公布号 |
US2004207717(A1) |
申请公布日期 |
2004.10.21 |
申请号 |
US20040750894 |
申请日期 |
2004.01.05 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
HAN SUK-GYUN;KIM DUK-SOO;YOU JE-HWAN |
分类号 |
G02B26/10;G02B26/12;H02P6/18;(IPC1-7):B41J27/00 |
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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