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	Optical transceiver and method for estimating temperature of same
	KAWASE, DAISUKE; UMEDA, DAISUKE
	2017-12-28
著作权人	SUMITOMO ELECTRIC INDUSTRIES, LTD.
专利号	WO2017221666A1
国家	世界知识产权组织
文献子类	发明申请
其他题名	Optical transceiver and method for estimating temperature of same
英文摘要	An optical transceiver of the present disclosure is provided with: a first light-emitting element for performing electro-optical conversion at a first transmission rate; a second light-emitting element for performing electro-optical conversion at a second transmission rate higher than the first transmission rate; a light-receiving element for performing photoelectric conversion at a prescribed transmission rate; an optical subassembly for accommodating the light-emitting elements and the light-receiving element; a circuit board having a plurality of integrated circuits for driving the light-emitting elements and the light-receiving element; a housing in which the optical subassembly and the circuit board are accommodated, the housing being longest in the longitudinal dimension and having thermal conductivity; a temperature sensor for detecting the temperature in the inside of the housing; a temperature control unit for determining a control value that is indicated to the integrated circuits that correspond to at least one of the light-emitting elements and the light-receiving element in accordance with the temperature detected by the temperature sensor; and a light emission control unit for setting the light-emitting state of said device to one of states 1-3 below. The optical subassembly is arranged at one longitudinal end of a main heat generation member from among the plurality of integrated circuits, and the temperature sensor is arranged at the other longitudinal end of the main heat generation member. State 1: First light-emitting element turned on, second light-emitting element turned off State 2: First light-emitting element turned on, second light-emitting element turned on State 3: First light-emitting element turned off, second light-emitting element turned on
公开日期	2017-12-28
申请日期	2017-06-01
状态	未确认
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/57590]
专题	半导体激光器专利数据库
作者单位	SUMITOMO ELECTRIC INDUSTRIES, LTD.
推荐引用方式 GB/T 7714	KAWASE, DAISUKE,UMEDA, DAISUKE. Optical transceiver and method for estimating temperature of same. WO2017221666A1. 2017-12-28.

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