CN1655413B - 光学导引中的开环激光器功率控制 - Google Patents
光学导引中的开环激光器功率控制 Download PDFInfo
- Publication number
- CN1655413B CN1655413B CN200410097050.2A CN200410097050A CN1655413B CN 1655413 B CN1655413 B CN 1655413B CN 200410097050 A CN200410097050 A CN 200410097050A CN 1655413 B CN1655413 B CN 1655413B
- Authority
- CN
- China
- Prior art keywords
- current setting
- drive signal
- setting values
- laser
- eye
- Prior art date
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
-
- 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
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
- H01S5/0427—Electrical excitation ; Circuits therefor for applying modulation to the laser
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
Claims (21)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/778,869 US7209502B2 (en) | 2004-02-12 | 2004-02-12 | Open loop laser power control for optical navigation devices and optical systems |
US10/778,869 | 2004-02-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1655413A CN1655413A (zh) | 2005-08-17 |
CN1655413B true CN1655413B (zh) | 2010-06-23 |
Family
ID=34377773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200410097050.2A Expired - Fee Related CN1655413B (zh) | 2004-02-12 | 2004-12-21 | 光学导引中的开环激光器功率控制 |
Country Status (6)
Country | Link |
---|---|
US (2) | US7209502B2 (zh) |
JP (1) | JP2005229112A (zh) |
CN (1) | CN1655413B (zh) |
DE (1) | DE102004055678B4 (zh) |
GB (1) | GB2411045A (zh) |
TW (1) | TWI357190B (zh) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7209502B2 (en) * | 2004-02-12 | 2007-04-24 | Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. | Open loop laser power control for optical navigation devices and optical systems |
TWI264677B (en) * | 2004-03-05 | 2006-10-21 | Sunplus Technology Co Ltd | Brightness control device of the light source in optical mouse |
US20060066575A1 (en) * | 2004-09-28 | 2006-03-30 | Brosnan Michael J | Laser power control manufacturing method of matching binned laser to drive conditions through soldering and component mounting techniques to convey binning information |
US8212775B2 (en) | 2005-02-22 | 2012-07-03 | Pixart Imaging Incorporation | Computer input apparatus having a calibration circuit for regulating current to the light source |
DE102005022612A1 (de) * | 2005-05-10 | 2006-11-16 | Atmel Germany Gmbh | Treiberschaltung für elektronische Bauteile |
US7271601B2 (en) * | 2005-07-11 | 2007-09-18 | Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. | Current fault detection for light emitters |
US7551020B2 (en) * | 2007-05-31 | 2009-06-23 | Agere Systems Inc. | Enhanced output impedance compensation |
US20090102793A1 (en) * | 2007-10-22 | 2009-04-23 | Microsoft Corporation | Optical mouse |
US8022931B2 (en) * | 2007-11-29 | 2011-09-20 | Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. | Self-calibrating optical feedback system in a laser mouse |
US8847888B2 (en) * | 2007-12-18 | 2014-09-30 | Microsoft Corporation | Optical mouse with limited wavelength optics |
US20090160773A1 (en) * | 2007-12-20 | 2009-06-25 | Microsoft Corporation | Optical mouse |
US20090160772A1 (en) * | 2007-12-20 | 2009-06-25 | Microsoft Corporation | Diffuse optics in an optical mouse |
JP5359760B2 (ja) * | 2009-10-09 | 2013-12-04 | 住友電気工業株式会社 | 光トランシーバ |
US20130176224A1 (en) * | 2012-01-06 | 2013-07-11 | Millennium Communication Co., Ltd. | Optical navigation sensor module of optical mouse and method for manufacturing the same |
TWI486095B (zh) * | 2012-11-01 | 2015-05-21 | Univ Nat Yunlin Sci & Tech | 數位調控輸出功率之發光二極體驅動裝置 |
CN105981305B (zh) * | 2013-12-20 | 2019-05-14 | 英特尔公司 | 可配置收发器电路架构 |
WO2015186238A1 (ja) * | 2014-06-06 | 2015-12-10 | Necディスプレイソリューションズ株式会社 | 投射型表示装置およびその制御方法 |
CN105436714B (zh) * | 2015-12-31 | 2017-06-06 | 江苏大德重工股份有限公司 | 三维机器人光纤激光切割机用同轴调整功率切换控制系统 |
US10761195B2 (en) | 2016-04-22 | 2020-09-01 | OPSYS Tech Ltd. | Multi-wavelength LIDAR system |
EP3526543B1 (en) | 2016-10-13 | 2024-02-28 | Stanley Black & Decker, Inc. | Power tool |
US11016178B2 (en) | 2017-03-13 | 2021-05-25 | OPSYS Tech Ltd. | Eye-safe scanning LIDAR system |
US9985414B1 (en) * | 2017-06-16 | 2018-05-29 | Banner Engineering Corp. | Open-loop laser power-regulation |
KR102435970B1 (ko) | 2017-07-28 | 2022-08-25 | 옵시스 테크 엘티디 | 작은 각도 발산을 갖는 vcsel 어레이 lidar 송신기 |
EP3710855A4 (en) | 2017-11-15 | 2021-08-04 | Opsys Tech Ltd. | NOISE ADAPTIVE SOLID-STATE LIDAR SYSTEM |
JP7324518B2 (ja) | 2018-04-01 | 2023-08-10 | オプシス テック リミテッド | 雑音適応型固体ライダシステム |
WO2020028173A1 (en) * | 2018-08-03 | 2020-02-06 | OPSYS Tech Ltd. | Distributed modular solid-state lidar system |
JP2022526998A (ja) | 2019-04-09 | 2022-05-27 | オプシス テック リミテッド | レーザ制御を伴うソリッドステートlidar送光機 |
EP3977159A4 (en) | 2019-05-30 | 2023-03-01 | Opsys Tech Ltd. | EYE-SAFE LONG-RANGE LIDAR SYSTEM WITH ACTUATOR |
CN110571752B (zh) * | 2019-08-08 | 2020-07-28 | 华中科技大学 | 一种闭环控制下逆变电源驱动故障的诊断方法及系统 |
US11609116B2 (en) | 2020-08-27 | 2023-03-21 | Banner Engineering Corp | Open-loop photodiode gain regulation |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5604757A (en) * | 1994-05-10 | 1997-02-18 | E-Tek Dynamics, Inc. | Multichannel, programmable laser diode power supply, stabilizer and controller |
US5872533A (en) * | 1997-06-24 | 1999-02-16 | Cypress Semiconductor Corp. | Circuit and architecture for providing an interface between components |
US6424407B1 (en) * | 1998-03-09 | 2002-07-23 | Otm Technologies Ltd. | Optical translation measurement |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0758819B2 (ja) | 1987-09-25 | 1995-06-21 | 株式会社東芝 | 半導体レーザ駆動装置 |
JP2953593B2 (ja) | 1991-03-07 | 1999-09-27 | ピー・エス・シー・インコーポレイテッド | 節電およびレーザ放射出力抑制手段を備えたバーコード読取り装置 |
DE19519124A1 (de) * | 1995-05-17 | 1996-11-21 | Victor Victorovic Vetckanov | Manuell zu betätigendes optisches Eingabegerät |
US5638176A (en) * | 1996-06-25 | 1997-06-10 | International Business Machines Corporation | Inexpensive interferometric eye tracking system |
US5953355A (en) | 1997-04-02 | 1999-09-14 | Motorola, Inc. | Semiconductor laser package with power monitoring system |
JPH11274650A (ja) * | 1998-03-26 | 1999-10-08 | Matsushita Electric Ind Co Ltd | 半導体レーザおよびそれを用いた光送信モジュール |
WO2001015289A2 (en) | 1999-08-09 | 2001-03-01 | Perceptron, Inc. | Method and system for maximizing safe laser power of structured laser light projectors |
US6455840B1 (en) * | 1999-10-28 | 2002-09-24 | Hewlett-Packard Company | Predictive and pulsed illumination of a surface in a micro-texture navigation technique |
US6658030B1 (en) * | 2000-07-18 | 2003-12-02 | International Business Machines Corporation | Laser safety method and device for duplex open loop parallel optical link |
US6526076B2 (en) * | 2000-12-15 | 2003-02-25 | Agilent Technologies, Inc. | Integrated parallel channel optical monitoring for parallel optics transmitter |
US20040000698A1 (en) * | 2002-07-01 | 2004-01-01 | Chen Shu-Fen | Cmos module for used in an optical mouse |
US6792020B2 (en) | 2002-08-05 | 2004-09-14 | Agilent Technologies, Inc. | Laser driver with a safety circuit having digital feedback |
US6865883B2 (en) | 2002-12-12 | 2005-03-15 | Detroit Diesel Corporation | System and method for regenerating exhaust system filtering and catalyst components |
US7295186B2 (en) * | 2003-01-14 | 2007-11-13 | Avago Technologies Ecbuip (Singapore) Pte Ltd | Apparatus for controlling a screen pointer that distinguishes between ambient light and light from its light source |
US7215688B2 (en) * | 2003-01-17 | 2007-05-08 | Avago Technologies Fiber Ip (Singapore) Pte. Ltd. | Disable/enable control for laser driver eye safety |
US7116427B2 (en) * | 2003-10-30 | 2006-10-03 | Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. | Low power consumption, broad navigability optical mouse |
US20050001818A1 (en) * | 2003-07-02 | 2005-01-06 | Unity Opto Technology Co., Ltd. | Optic mouse |
US7324086B2 (en) * | 2004-01-21 | 2008-01-29 | Microsoft Corporation | Data input device and method for detecting lift-off from a tracking surface by laser doppler self-mixing effects |
US7209502B2 (en) * | 2004-02-12 | 2007-04-24 | Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. | Open loop laser power control for optical navigation devices and optical systems |
US7809035B2 (en) * | 2006-03-31 | 2010-10-05 | Cypress Semiconductor Corporation | Eye-safe laser navigation sensor |
-
2004
- 2004-02-12 US US10/778,869 patent/US7209502B2/en active Active
- 2004-10-08 TW TW093130576A patent/TWI357190B/zh not_active IP Right Cessation
- 2004-11-18 DE DE102004055678A patent/DE102004055678B4/de not_active Expired - Fee Related
- 2004-12-21 CN CN200410097050.2A patent/CN1655413B/zh not_active Expired - Fee Related
-
2005
- 2005-02-01 JP JP2005024775A patent/JP2005229112A/ja active Pending
- 2005-02-08 GB GB0502583A patent/GB2411045A/en not_active Withdrawn
-
2007
- 2007-02-27 US US11/679,765 patent/US7473880B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5604757A (en) * | 1994-05-10 | 1997-02-18 | E-Tek Dynamics, Inc. | Multichannel, programmable laser diode power supply, stabilizer and controller |
US5872533A (en) * | 1997-06-24 | 1999-02-16 | Cypress Semiconductor Corp. | Circuit and architecture for providing an interface between components |
US6424407B1 (en) * | 1998-03-09 | 2002-07-23 | Otm Technologies Ltd. | Optical translation measurement |
Also Published As
Publication number | Publication date |
---|---|
US20050180473A1 (en) | 2005-08-18 |
DE102004055678B4 (de) | 2012-07-12 |
US7209502B2 (en) | 2007-04-24 |
DE102004055678A1 (de) | 2005-09-08 |
JP2005229112A (ja) | 2005-08-25 |
TW200527787A (en) | 2005-08-16 |
US20070195477A1 (en) | 2007-08-23 |
US7473880B2 (en) | 2009-01-06 |
GB2411045A (en) | 2005-08-17 |
GB0502583D0 (en) | 2005-03-16 |
CN1655413A (zh) | 2005-08-17 |
TWI357190B (en) | 2012-01-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20061124 Address after: Singapore Singapore Applicant after: Anhua hi tech IP (Singapore) Pte. Ltd. Address before: California, USA Applicant before: AGILENT TECHNOLOGIES, Inc. Effective date of registration: 20061124 Address after: Singapore Singapore Applicant after: Avago Technologies General IP (Singapore) Pte. Ltd. Address before: California, USA Applicant before: AGILENT TECHNOLOGIES, Inc. |
|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100623 Termination date: 20121221 |