发明名称 |
Multi-beam pitch adjusting apparatus and image forming apparatus |
摘要 |
A multi-beam scanning apparatus includes a light source having first and second light source sections that hold a pair of semi-conductor laser diodes and coupling lenses that couple four beams irradiated from the pair of semi-conductor laser diodes with a base member. A light beam deviating device may be provided so as to deviate the four beams. A scan imaging device is also provided so as to scan a scan receiving surface with beam spots of the beams deviated by the light beam deviating device. A beam pitch-detecting device is also provided so as to detect a beam pitch of the respective beams formed on the scan-receiving surface. A beam pitch correcting device is provided in order to correct the beam pitch by causing relative deviation of a light axis among the respective beams on a sub scanning direction cross sectional plane.
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申请公布号 |
US2003025782(A1) |
申请公布日期 |
2003.02.06 |
申请号 |
US20020200778 |
申请日期 |
2002.07.24 |
申请人 |
AMADA TAKU;SHIMADA KAZUYUKI |
发明人 |
AMADA TAKU;SHIMADA KAZUYUKI |
分类号 |
B41J2/47;G02B26/12;(IPC1-7):B41J2/455 |
主分类号 |
B41J2/47 |
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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