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	Light quantity control device
	INUYAMA, TOSHIHIKO; KIMIZUKA, JUNICHI; ABE, MAKOTO; KUSANO, AKIHISA; SATO, KAORU; OKAZAWA, KAZUHIKO; ISHIZU, MASANORI; ITO, TOSHIYUKI
	1991-04-03
著作权人	CANON KABUSHIKI KAISHA
专利号	EP0420573A2
国家	欧洲专利局
文献子类	发明申请
其他题名	Light quantity control device
英文摘要	A light quantity control device suitable for use in a laser beam printer includes a beam generator (11), a monitor (13) for monitoring the quantity of light of a beam generated by the beam generator (11), and a controller (2). The controller (2) controls the light quantity of the beam generated by the beam generator in response to the output of the monitor (13). The controller (2) includes a digital value output circuit and a light quantity control circuit (7). The digital value output circuit outputs a digital value representing the quantity of light of the beam, and the light quantity control circuit controls the quantity of light in response to the digital value. The digital value output circuit varies the timing of output of the digital value in accordance with the output of the monitor (13).
公开日期	1991-04-03
申请日期	1990-09-25
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/69113]
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	INUYAMA, TOSHIHIKO,KIMIZUKA, JUNICHI,ABE, MAKOTO,et al. Light quantity control device. EP0420573A2. 1991-04-03.

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