CN101501945B - 光电读取器中的激光功率控制装置 - Google Patents

光电读取器中的激光功率控制装置 Download PDF

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Publication number
CN101501945B
CN101501945B CN2006800356950A CN200680035695A CN101501945B CN 101501945 B CN101501945 B CN 101501945B CN 2006800356950 A CN2006800356950 A CN 2006800356950A CN 200680035695 A CN200680035695 A CN 200680035695A CN 101501945 B CN101501945 B CN 101501945B
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China
Prior art keywords
laser
calibration
difference
potentiometer
power output
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CN2006800356950A
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English (en)
Chinese (zh)
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CN101501945A (zh
Inventor
C·迪法兹欧
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Motorola Solutions Inc
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Symbol Technologies LLC
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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)
CN2006800356950A 2005-09-30 2006-08-31 光电读取器中的激光功率控制装置 Active CN101501945B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/239,745 2005-09-30
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
CN101501945A CN101501945A (zh) 2009-08-05
CN101501945B true CN101501945B (zh) 2011-06-01

Family

ID=37906635

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2006800356950A Active CN101501945B (zh) 2005-09-30 2006-08-31 光电读取器中的激光功率控制装置

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)

Families Citing this family (17)

* 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
DE102009029234A1 (de) * 2009-09-07 2011-03-10 Robert Bosch Gmbh Laserprojektor zur Fahrwerksvermessung
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
EP3230798A1 (en) * 2015-04-01 2017-10-18 Hewlett-Packard Indigo B.V. Temperature control for an imaging laser
GB2541903B (en) * 2015-09-02 2020-06-03 Thermo Fisher Scient Bremen Gmbh Optimisation of the laser operating point in a laser absorption spectrometer
WO2018068248A1 (en) 2016-10-13 2018-04-19 Stanley Black & Decker, Inc. Power tool
US10461499B2 (en) * 2016-12-23 2019-10-29 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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5200597A (en) * 1991-02-07 1993-04-06 Psc, Inc. Digitally controlled system for scanning and reading bar codes
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
CN1423260A (zh) * 2001-11-29 2003-06-11 株式会社东芝 光盘驱动器及激光束驱动电源电压控制方法

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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
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
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
JP4046778B2 (ja) * 1995-04-05 2008-02-13 ソニー株式会社 光学ディスク記録再生装置
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
JP2003332984A (ja) * 2002-05-08 2003-11-21 Sumitomo Electric Ind Ltd 駆動回路
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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5200597A (en) * 1991-02-07 1993-04-06 Psc, Inc. Digitally controlled system for scanning and reading bar codes
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
CN1423260A (zh) * 2001-11-29 2003-06-11 株式会社东芝 光盘驱动器及激光束驱动电源电压控制方法

Also Published As

Publication number Publication date
CN101501945A (zh) 2009-08-05
EP1929596B1 (en) 2014-12-24
JP2009513001A (ja) 2009-03-26
EP1929596A4 (en) 2012-04-25
EP1929596A2 (en) 2008-06-11
US20100074286A1 (en) 2010-03-25
WO2007040877A3 (en) 2009-04-23
WO2007040877A2 (en) 2007-04-12
US7609736B2 (en) 2009-10-27
US20070133633A1 (en) 2007-06-14

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: American New York

Patentee after: MOTOROLA SOLUTIONS INC

Address before: American New York

Patentee before: Symbol Technologies Co., Ltd.