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	Laser power monitor circuit used in a magneto-optical disk device
	HOSHINO, SHUNJI; INABA, NAOTO
	1995-08-01
著作权人	NIKON CORPORATION
专利号	US5438582
国家	美国
文献子类	授权发明
其他题名	Laser power monitor circuit used in a magneto-optical disk device
英文摘要	A laser power monitor circuit for monitoring the power of a laser used in a magneto-optical disk device and other related devices. In order to provide marks in the recording medium, a write power of the laser is required, and in between the marks, the laser is to have a pedestal power. During recording on the magneto-optical disk, recording corrections are performed at the start of the pedestal power and write power of the laser to provide marks in the recording medium which are properly shaped. The laser power monitor circuit accurately monitors the power of the laser light on a recording medium and includes a reverse correction circuit to provide reverse correction of the recording corrected values among the monitored values of laser power to bring the laser to the appropriate write power or pedestal power.
公开日期	1995-08-01
申请日期	1994-11-08
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/33485]
专题	半导体激光器专利数据库
作者单位	NIKON CORPORATION
推荐引用方式 GB/T 7714	HOSHINO, SHUNJI,INABA, NAOTO. Laser power monitor circuit used in a magneto-optical disk device. US5438582. 1995-08-01.

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