JP2004200213A5 - - Google Patents

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Publication number
JP2004200213A5
JP2004200213A5 JP2002363500A JP2002363500A JP2004200213A5 JP 2004200213 A5 JP2004200213 A5 JP 2004200213A5 JP 2002363500 A JP2002363500 A JP 2002363500A JP 2002363500 A JP2002363500 A JP 2002363500A JP 2004200213 A5 JP2004200213 A5 JP 2004200213A5
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2002363500A
Other versions
JP2004200213A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2002363500A priority Critical patent/JP2004200213A/ja
Priority claimed from JP2002363500A external-priority patent/JP2004200213A/ja
Publication of JP2004200213A publication Critical patent/JP2004200213A/ja
Publication of JP2004200213A5 publication Critical patent/JP2004200213A5/ja
Pending legal-status Critical Current

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JP2002363500A 2002-12-16 2002-12-16 半導体レーザの保護回路及びこれを備えた半導体レーザの測定装置 Pending JP2004200213A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002363500A JP2004200213A (ja) 2002-12-16 2002-12-16 半導体レーザの保護回路及びこれを備えた半導体レーザの測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002363500A JP2004200213A (ja) 2002-12-16 2002-12-16 半導体レーザの保護回路及びこれを備えた半導体レーザの測定装置

Publications (2)

Publication Number Publication Date
JP2004200213A JP2004200213A (ja) 2004-07-15
JP2004200213A5 true JP2004200213A5 (ja) 2005-11-04

Family

ID=32761635

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002363500A Pending JP2004200213A (ja) 2002-12-16 2002-12-16 半導体レーザの保護回路及びこれを備えた半導体レーザの測定装置

Country Status (1)

Country Link
JP (1) JP2004200213A (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7271601B2 (en) * 2005-07-11 2007-09-18 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Current fault detection for light emitters
JP4725258B2 (ja) * 2005-09-08 2011-07-13 ソニー株式会社 駆動回路
JP5357118B2 (ja) * 2010-08-09 2013-12-04 旭化成エレクトロニクス株式会社 半導体レーザ駆動制御回路
JP2012070110A (ja) * 2010-09-22 2012-04-05 Yaskawa Electric Corp 過電流保護装置およびレーザ装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55160483A (en) * 1979-05-31 1980-12-13 Nippon Sekigaisen Kogyo Kk Laser device
JPS61290786A (ja) * 1985-06-18 1986-12-20 Sharp Corp 半導体レ−ザの特性測定装置
JPH0642571B2 (ja) * 1985-10-30 1994-06-01 三田工業株式会社 半導体レ−ザの保護装置
JPS6476544A (en) * 1987-09-18 1989-03-22 Matsushita Communication Ind Device for testing semiconductor laser driving circuit
JPH03266487A (ja) * 1990-03-15 1991-11-27 Sharp Corp 半導体レーザ駆動装置
JPH05299739A (ja) * 1992-04-24 1993-11-12 Tokyo Electron Ltd 発光素子の保護回路
JP2992409B2 (ja) * 1992-08-20 1999-12-20 富士写真フイルム株式会社 画像記録装置
JP4028919B2 (ja) * 1996-10-30 2008-01-09 松下電器産業株式会社 発光素子駆動回路
JPH1117256A (ja) * 1997-06-27 1999-01-22 Technol Res Assoc Of Medical & Welfare Apparatus パルス光発生装置
JPH11298070A (ja) * 1998-04-08 1999-10-29 Sumitomo Electric Ind Ltd 半導体レーザモジュール
JPH11307850A (ja) * 1998-04-22 1999-11-05 Ricoh Opt Ind Co Ltd 半導体レーザ駆動装置
JP3776590B2 (ja) * 1998-05-21 2006-05-17 Ｎｅｃエンジニアリング株式会社 冗長系光伝送システムおよび構成装置

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