发明名称 |
IMAGE-FORMING DEVICE. |
摘要 |
<p>A laser beam scanner (53) is provided to project a laser beam onto the surface of an electrically charged image carrier (5). The laser scanner (53) has a semiconductor laser array (21) equipped with a plurality of light-emitting portions (21a) and a rotary polygonal mirror (3) that deflects the laser beam from the light-emitting portions (21a) toward the image carrier (5). The light-emitting portions (21a) are two-dimensionally arranged on the surface of the semiconductor laser array. The light-emitting portions (21a) are individually controlled for their turn-on and quantity of light by a controller (60). There is thus provided a high-speed and high-resolution laser beam scanner that has a low scanning frequency and a short optical path. <IMAGE></p> |
申请公布号 |
EP0544002(A1) |
申请公布日期 |
1993.06.02 |
申请号 |
EP19920909793 |
申请日期 |
1992.05.14 |
申请人 |
SEIKO EPSON CORPORATION |
发明人 |
INOUE, NOZOMU;TAKADA, KYU;KURIHARA, HAJIME;KOGA, YOSHIRO |
分类号 |
B41J2/47;G02B26/12;G06K15/12;H04N1/113;H04N1/12;H04N1/19;H04N1/191;H04N1/195 |
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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