Image forming apparatus that forms image by scanning photosensitive member with multiple beams | |
TAKEZAWA, SATORU | |
2013-11-26 | |
著作权人 | CANON KABUSHIKI KAISHA |
专利号 | US8593495 |
国家 | 美国 |
文献子类 | 授权发明 |
其他题名 | Image forming apparatus that forms image by scanning photosensitive member with multiple beams |
英文摘要 | An image forming apparatus that generates a synchronization signal without breaking laser diodes (LDs). The LDs output beams, which in turn are deflected to scan a photosensitive member. The synchronization signal is generated upon detecting the deflected beams. The LDs output the beams so as to generate the synchronization signal, based on which the output timing of the beams from the LDs is controlled. It is possible to select a first mode in which at least two of the LDs output the beams so as to generate the synchronization signal, and a second mode in which one of the LDs output the beams so as to generate the synchronization signal. The value of drive current supplied to at least two of the LDs when the first mode is selected is smaller than the value of drive current supplied to one of the LDs when the second mode is selected. |
公开日期 | 2013-11-26 |
申请日期 | 2011-12-08 |
状态 | 失效 |
内容类型 | 专利 |
源URL | [http://ir.opt.ac.cn/handle/181661/32949] ![]() |
专题 | 半导体激光器专利数据库 |
作者单位 | CANON KABUSHIKI KAISHA |
推荐引用方式 GB/T 7714 | TAKEZAWA, SATORU. Image forming apparatus that forms image by scanning photosensitive member with multiple beams. US8593495. 2013-11-26. |
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