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	Systems, devices, and methods for laser projectors
	XU, KAI
	2018-04-26
著作权人	NORTH INC.
专利号	US20180115755A1
国家	美国
文献子类	发明申请
其他题名	Systems, devices, and methods for laser projectors
英文摘要	Laser safety systems, devices, and methods for use in laser projectors are described. A laser projector includes any number of laser diodes that each emit laser light, a shared laser diode power source, a photodetector to detect a power/intensity of a portion of the laser light, a beam splitter to direct a first portion of the light towards the photodetector and a second portion of the light towards an output on the projector, and a laser safety circuit responsive to signals from the photodetector. The laser safety circuit selectively electrically couples/uncouples the laser diodes from the power source depending on the power/intensity of the laser light detected by the photodetector. Particular applications of the laser safety systems, devices, and methods in a wearable heads-up display are described.
公开日期	2018-04-26
申请日期	2017-12-12
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/51761]
专题	半导体激光器专利数据库
作者单位	NORTH INC.
推荐引用方式 GB/T 7714	XU, KAI. Systems, devices, and methods for laser projectors. US20180115755A1. 2018-04-26.

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