Power control system and related method

OPT OpenIR > 半导体激光器专利数据库

	Power control system and related method
其他题名	Power control system and related method
	YU, MING-JIOU; CHEN, CHIH-CHING; LIAO, CHIA-WEI; LAN, KUO-JUNG; HSIEH, BING-YU; CHOU, SHU-HUNG
	2007-12-20
专利权人	MEDIATEK INC.
公开日期	2007-12-20
授权国家	美国
专利类型	发明申请
摘要	A method for controlling a specific output power level emitted from a laser diode (LD) in an optical pick-up head unit (OPU) is disclosed. The LD is configured to provide a plurality of output power levels for accessing/recording an optical disc. The method includes: determining a specific power control value according to a first output power level, a second output power level, a first power control value of the first output power level, and the specific output power level, wherein the first output power level is less than the specific output power level and greater than the second output power level; and driving the LD to emit the specific output power level according to the specific power control value, the first power control value, and a second power control value of the second output power level.
其他摘要	公开了一种用于控制从光学拾取头单元（OPU）中的激光二极管（LD）发射的特定输出功率电平的方法。 LD被配置为提供用于访问/记录光盘的多个输出功率电平。该方法包括：根据第一输出功率电平，第二输出功率电平，第一输出功率电平的第一功率控制值和特定输出功率电平确定特定功率控制值，其中第一输出功率电平为小于特定输出功率水平且大于第二输出功率水平;根据特定功率控制值，第一功率控制值和第二输出功率电平的第二功率控制值，驱动LD发出特定输出功率电平。
主权项	A method for controlling a specific output power level emitted from a laser diode (LD), the LD being configured to provide a plurality of output power levels for accessing/recording an optical disc, the method comprising: determining a specific power control value according to a first output power level, a second output power level, a first power control value of the first output power level, and the specific output power level, wherein the first output power level is less than the specific power level and greater than the second output power level; and driving the LD to emit the specific output power level according to the specific power control value, the first power control value, and a second power control value of the second output power level.
申请日期	2007-06-05
专利号	US20070291620A1
专利状态	失效
申请号	US11/758007
公开（公告）号	US20070291620A1
IPC 分类号	G11B7/00
专利代理人	-
代理机构	-
文献类型	专利
条目标识符	http://ir.opt.ac.cn/handle/181661/58071
专题	半导体激光器专利数据库
作者单位	MEDIATEK INC.
推荐引用方式 GB/T 7714	YU, MING-JIOU,CHEN, CHIH-CHING,LIAO, CHIA-WEI,et al. Power control system and related method. US20070291620A1[P]. 2007-12-20.