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	Optical disk device and control method
	DOI, AKIHIKO; IZAWA, KATSUMI
	2009-10-01
著作权人	KABUSHIKI KAISHA TOSHIBA
专利号	US20090245056A1
国家	美国
文献子类	发明申请
其他题名	Optical disk device and control method
英文摘要	According to one embodiment, an optical disk device includes a semiconductor laser, a circuit which generates a timing signal to determine a recording pulse timing, a circuit which sets a magnitude of a current for the laser, a circuit which switches the magnitude of the current according to the timing signal, a generation circuit which generates a correction signal from the timing signal to correct response characteristics of a recording pulse, a circuit which synthesizes the correction signal and signals obtained as the switch result to determine the magnitude of the current, and a circuit which feeds the current to the laser according to the synthesis result. The generation circuit extracts high-frequency components from the signals obtained as the switch result and the signal generated by the synthesis circuit, and switches a frequency and a signal gain of each of the components, in accordance with recording pulse conditions.
公开日期	2009-10-01
申请日期	2009-03-31
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/58414]
专题	半导体激光器专利数据库
作者单位	KABUSHIKI KAISHA TOSHIBA
推荐引用方式 GB/T 7714	DOI, AKIHIKO,IZAWA, KATSUMI. Optical disk device and control method. US20090245056A1. 2009-10-01.

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