JP2009513001A - 電気光学読み取り機におけるレーザパワー制御装置 - Google Patents

電気光学読み取り機におけるレーザパワー制御装置 Download PDF

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Publication number
JP2009513001A
JP2009513001A JP2008533368A JP2008533368A JP2009513001A JP 2009513001 A JP2009513001 A JP 2009513001A JP 2008533368 A JP2008533368 A JP 2008533368A JP 2008533368 A JP2008533368 A JP 2008533368A JP 2009513001 A JP2009513001 A JP 2009513001A
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Japan
Prior art keywords
laser
output power
laser beam
drive
calibration
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Pending
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JP2008533368A
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English (en)
Japanese (ja)
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JP2009513001A5 (enExample
Inventor
コスタンゾ ディファジオ，
Original Assignee
シンボル テクノロジーズ， インコーポレイテッド
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Application filed by シンボル テクノロジーズ， インコーポレイテッド filed Critical シンボル テクノロジーズ， インコーポレイテッド
Publication of JP2009513001A publication Critical patent/JP2009513001A/ja
Publication of JP2009513001A5 publication Critical patent/JP2009513001A5/ja
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/0014—Measuring characteristics or properties thereof
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/0617—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium using memorised or pre-programmed laser characteristics
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/06808—Stabilisation of laser output parameters by monitoring the electrical laser parameters, e.g. voltage or current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/06825—Protecting the laser, e.g. during switch-on/off, detection of malfunctioning or degradation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Toxicology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Head (AREA)
  • Lasers (AREA)
JP2008533368A 2005-09-30 2006-08-31 電気光学読み取り機におけるレーザパワー制御装置 Pending JP2009513001A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/239,745 US7609736B2 (en) 2005-09-30 2005-09-30 Laser power control arrangements in electro-optical readers
PCT/US2006/034015 WO2007040877A2 (en) 2005-09-30 2006-08-31 Laser power control arrangements in electro-optical readers

Publications (2)

Publication Number Publication Date
JP2009513001A true JP2009513001A (ja) 2009-03-26
JP2009513001A5 JP2009513001A5 (enExample) 2009-10-15

Family

ID=37906635

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008533368A Pending JP2009513001A (ja) 2005-09-30 2006-08-31 電気光学読み取り機におけるレーザパワー制御装置

Country Status (5)

Country Link
US (2) US7609736B2 (enExample)
EP (1) EP1929596B1 (enExample)
JP (1) JP2009513001A (enExample)
CN (1) CN101501945B (enExample)
WO (1) WO2007040877A2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013504072A (ja) * 2009-09-07 2013-02-04 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング 走行機構測定用のレーザプロジェクタ

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7609736B2 (en) * 2005-09-30 2009-10-27 Symbol Technologies, Inc. Laser power control arrangements in electro-optical readers
JP2009200242A (ja) * 2008-02-21 2009-09-03 Fujitsu Ltd 光送信機および制御方法
US20100158055A1 (en) * 2008-12-18 2010-06-24 Symbol Technologies, Inc. Method and apparatus for controlling and monitoring laser power in barcode readers
US8167208B2 (en) * 2010-06-23 2012-05-01 Symbol Technologies, Inc. Arrangement for and method of controlling monitor photodiode leakage current in lasers in electro-optical readers
US8733659B2 (en) 2010-08-27 2014-05-27 Symbol Technologies, Inc. Arrangement for and method of regulating laser output power in electro-optical readers
US8971366B2 (en) * 2012-11-02 2015-03-03 Symbol Technologies, Inc. Killswitch arrangement for and method of regulating laser output power in electro-optical readers
KR101809338B1 (ko) * 2013-01-15 2018-01-18 더 리젠츠 오브 더 유니버시티 오브 캘리포니아 휴대용 브로드밴드 확산 광학 분광 이미징(dosi)
CN103633553A (zh) * 2013-10-22 2014-03-12 镇江贝乐四通电子有限公司 激光二极管片式封装
CN104615054A (zh) * 2015-01-22 2015-05-13 北京奥普维尔科技有限公司 一种激光器的功率恒定系统及方法
CN107430369A (zh) * 2015-04-01 2017-12-01 惠普印迪格公司 用于成像激光器的温度控制
GB2541903B (en) * 2015-09-02 2020-06-03 Thermo Fisher Scient Bremen Gmbh Optimisation of the laser operating point in a laser absorption spectrometer
EP3526543B1 (en) 2016-10-13 2024-02-28 Stanley Black & Decker, Inc. Power tool
US11158992B2 (en) * 2016-12-23 2021-10-26 Axon Enterprise, Inc. Systems and methods for calibrating, operating, and setting a laser diode in a weapon
CN112363150B (zh) * 2018-08-22 2024-05-28 Oppo广东移动通信有限公司 标定方法、标定控制器、电子装置及标定系统
US11855407B2 (en) * 2019-08-19 2023-12-26 IonQ, Inc. Fast intensity stabilization of multiple controller beams with continuous integrating filter
CN112903551A (zh) * 2021-02-05 2021-06-04 顺德职业技术学院 一种激光粉尘传感器及其自动补偿方法

Citations (4)

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JPS63289978A (ja) * 1987-05-22 1988-11-28 Matsushita Graphic Commun Syst Inc 半導体レ−ザ−劣化検出回路
JPH03183181A (ja) * 1989-12-12 1991-08-09 Sharp Corp 半導体レーザ劣化検出装置
JPH08279642A (ja) * 1995-04-05 1996-10-22 Sony Corp 発光素子の寿命予測方法およびこれを用いた発光駆動装置
JP2003332984A (ja) * 2002-05-08 2003-11-21 Sumitomo Electric Ind Ltd 駆動回路

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US4355395A (en) * 1978-04-10 1982-10-19 British Telecommunications Injection lasers
JPS61274379A (ja) * 1985-05-29 1986-12-04 Olympus Optical Co Ltd 半導体レ−ザ駆動装置
US5200597A (en) * 1991-02-07 1993-04-06 Psc, Inc. Digitally controlled system for scanning and reading bar codes
JP2546080B2 (ja) * 1991-05-10 1996-10-23 富士通株式会社 半導体レーザー制御装置
US5392273A (en) * 1992-02-28 1995-02-21 Fujitsu Limited Optical storage drive controller with predetermined light source drive values stored in non-volatile memory
US5834750A (en) * 1995-02-28 1998-11-10 Psc, Inc. Bar code scanning system for automatically maintaining constant the amplitude of light reflected from a bar code
US5638390A (en) * 1995-07-27 1997-06-10 Methode Electronics, Inc. Optoelectronic transceiver module laser diode stabilizer and bias control method
JPH0969662A (ja) * 1995-08-31 1997-03-11 Asahi Optical Co Ltd 光走査装置の光強度変調回路
US6917639B2 (en) * 2001-08-09 2005-07-12 Ricoh Company, Ltd. Laser driver circuit
JP2003168232A (ja) * 2001-11-29 2003-06-13 Toshiba Corp 光ディスクドライブ及びレーザ光駆動電源電圧制御方法
US6922421B2 (en) * 2003-01-10 2005-07-26 Agilent Technologies, Inc. Control and calibration of laser systems
US6929184B2 (en) * 2003-11-05 2005-08-16 Symbol Technologies, Inc. Monitoring bi-directional motor drive failure in electro-optical reader
US7609736B2 (en) * 2005-09-30 2009-10-27 Symbol Technologies, Inc. Laser power control arrangements in electro-optical readers

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
JPS63289978A (ja) * 1987-05-22 1988-11-28 Matsushita Graphic Commun Syst Inc 半導体レ−ザ−劣化検出回路
JPH03183181A (ja) * 1989-12-12 1991-08-09 Sharp Corp 半導体レーザ劣化検出装置
JPH08279642A (ja) * 1995-04-05 1996-10-22 Sony Corp 発光素子の寿命予測方法およびこれを用いた発光駆動装置
JP2003332984A (ja) * 2002-05-08 2003-11-21 Sumitomo Electric Ind Ltd 駆動回路

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013504072A (ja) * 2009-09-07 2013-02-04 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング 走行機構測定用のレーザプロジェクタ
US8970852B2 (en) 2009-09-07 2015-03-03 Robert Bosch Gmbh Laser projector for chassis alignment

Also Published As

Publication number Publication date
WO2007040877A2 (en) 2007-04-12
EP1929596B1 (en) 2014-12-24
CN101501945A (zh) 2009-08-05
CN101501945B (zh) 2011-06-01
US7609736B2 (en) 2009-10-27
US20100074286A1 (en) 2010-03-25
WO2007040877A3 (en) 2009-04-23
EP1929596A2 (en) 2008-06-11
EP1929596A4 (en) 2012-04-25
US20070133633A1 (en) 2007-06-14

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