发明名称 |
Image forming apparatus and driver IC for use in such an apparatus |
摘要 |
<p>A laser scanner control circuit which is used for an apparatus for scanning onto a photo sensitive material by a laser beam and forming an image thereon is constructed as a monolithic driver IC onto a single chip. A reset circuit is provided for a sample-hold circuit so as to minimize the laser power when the image forming apparatus is in a standby mode. A circuit to detect an abnormality of the laser power is further provided. Due to this, the safety of the laser power control of the sample-hold circuit is improved. The operation of the sample-hold circuit can be started at a time point when the laser emitting operation is stable. <IMAGE></p> |
申请公布号 |
EP0775968(A2) |
申请公布日期 |
1997.05.28 |
申请号 |
EP19970100881 |
申请日期 |
1992.04.02 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
SOYA, TAKASHI;NAKAHARA, TAKASHI;SHIBATA, AKIHIRO;SUZUKI, HIDENOBU |
分类号 |
G02B26/12;G06K15/12;(IPC1-7):G06K15/12 |
主分类号 |
G02B26/12 |
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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