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	Image forming apparatus capable of correcting relative position between laser beams
	FURUTA, YASUTOMO; KONDO, SHUNSAKU
	2017-08-01
著作权人	CANON KABUSHIKI KAISHA
专利号	US9720346
国家	美国
文献子类	授权发明
其他题名	Image forming apparatus capable of correcting relative position between laser beams
英文摘要	An image forming apparatus capable of correcting relative position in exposure position between laser beams that scan a photosensitive drum in a scanning direction of the laser beams. A semiconductor laser includes first and second light emitting elements for emitting first and second laser beams. These elements are arranged such that the laser beams expose positions on the photosensitive drum different in the sub scanning direction. A polygon mirror deflects the laser beams to scan the photosensitive drum. Relative position in the scanning direction between images to be formed on the photosensitive drum by exposure by the first and second laser beams is corrected based on correction data. An image data generation section generates drive signals associated with the respective light emitting elements. A semiconductor laser drive circuit causes the semiconductor laser to emit the first and second laser beams, based on the drive signals.
公开日期	2017-08-01
申请日期	2013-04-26
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/33013]
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	FURUTA, YASUTOMO,KONDO, SHUNSAKU. Image forming apparatus capable of correcting relative position between laser beams. US9720346. 2017-08-01.

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