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	Data encoder for receiving position information and method for operating same
	ZETTNER, JÜRGEN; SCHIMMER, JÜRGEN; WETZEL, ULRICH
	2013-10-09
著作权人	SIEMENS AKTIENGESELLSCHAFT
专利号	EP2647965A1
国家	欧洲专利局
文献子类	发明申请
其他题名	Data encoder for receiving position information and method for operating same
英文摘要	The encoder (10) has a light source (12) and detectors (22) for sampling a carrier (18) i.e. rotating disk. A write laser (14) introduces coding information into the carrier. The light source is operable in two different power stages. The light source is operated with a high power during introduction of the coding information into the carrier than during sampling of the carrier. Two laser diodes i.e. VCSEL laser diodes, are activated during operating the light source with the high power. One of the laser diodes is activated during operating the light source with a low power. An independent claim is also included for a method for operating a data encoder.
公开日期	2013-10-09
申请日期	2012-04-04
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/65068]
专题	半导体激光器专利数据库
作者单位	SIEMENS AKTIENGESELLSCHAFT
推荐引用方式 GB/T 7714	ZETTNER, JÜRGEN,SCHIMMER, JÜRGEN,WETZEL, ULRICH. Data encoder for receiving position information and method for operating same. EP2647965A1. 2013-10-09.

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