DE69413761D1 - Sender für elektromagnetische Wellen und Entfernungsmesser - Google Patents

Sender für elektromagnetische Wellen und Entfernungsmesser

Info

Publication number
DE69413761D1
DE69413761D1 DE69413761T DE69413761T DE69413761D1 DE 69413761 D1 DE69413761 D1 DE 69413761D1 DE 69413761 T DE69413761 T DE 69413761T DE 69413761 T DE69413761 T DE 69413761T DE 69413761 D1 DE69413761 D1 DE 69413761D1
Authority
DE
Germany
Prior art keywords
scanning
scanner
control circuit
laser beams
circuit
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
Application number
DE69413761T
Other languages
English (en)
Other versions
DE69413761T2 (de
Inventor
Masato Yoshida
Yoshiro Tasaka
Wataru Ishio
Hidenori Miyazaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omron Corp
Original Assignee
Omron Corp
Omron Tateisi Electronics Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP18778393A external-priority patent/JP3250203B2/ja
Application filed by Omron Corp, Omron Tateisi Electronics Co filed Critical Omron Corp
Application granted granted Critical
Publication of DE69413761D1 publication Critical patent/DE69413761D1/de
Publication of DE69413761T2 publication Critical patent/DE69413761T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/497—Means for monitoring or calibrating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/497—Means for monitoring or calibrating
    • G01S2007/4975—Means for monitoring or calibrating of sensor obstruction by, e.g. dirt- or ice-coating, e.g. by reflection measurement on front-screen

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
DE69413761T 1993-07-29 1994-07-25 Sender für elektromagnetische Wellen und Entfernungsmesser Expired - Fee Related DE69413761T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18778393A JP3250203B2 (ja) 1993-05-25 1993-07-29 距離計測装置

Publications (2)

Publication Number Publication Date
DE69413761D1 true DE69413761D1 (de) 1998-11-12
DE69413761T2 DE69413761T2 (de) 1999-07-08

Family

ID=16212151

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69413761T Expired - Fee Related DE69413761T2 (de) 1993-07-29 1994-07-25 Sender für elektromagnetische Wellen und Entfernungsmesser

Country Status (5)

Country Link
US (1) US5515156A (de)
EP (1) EP0636903B1 (de)
KR (1) KR0142634B1 (de)
CN (1) CN1109968A (de)
DE (1) DE69413761T2 (de)

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DE10151981A1 (de) * 2001-10-22 2003-04-30 Ibeo Automobile Sensor Gmbh Optoelektronische Erfassungseinrichtung
JPH07218261A (ja) * 1994-02-03 1995-08-18 Nikon Corp レーザ投光装置
US5712674A (en) * 1994-05-02 1998-01-27 Fuji Photo Film Co., Ltd. Exposure device utilizing differently colored light emitting elements
SE506753C2 (sv) * 1995-05-02 1998-02-09 Tokimec Inc Anordning för bestämning av formen av en vägyta
JP3185613B2 (ja) * 1995-06-22 2001-07-11 三菱電機株式会社 距離測定装置
JPH0980153A (ja) * 1995-09-08 1997-03-28 Mitsubishi Electric Corp 距離測定装置
JP3208702B2 (ja) * 1996-03-25 2001-09-17 三菱電機株式会社 光レーダ装置
JP3233584B2 (ja) * 1996-09-04 2001-11-26 松下電器産業株式会社 通過人数検知装置
FR2769716B3 (fr) * 1997-10-13 1999-11-12 Michel Gallet Procede et dispositif pour la detection de personnes et d'objets dans un espace donne
DE29919989U1 (de) * 1999-11-15 2000-02-17 Leuze Electronic Gmbh & Co Optoelektronische Vorrichtung
KR20010068151A (ko) * 2001-04-06 2001-07-13 안재목 안전거리 정보제공 휴대용 전자파 측정기
DE10151979A1 (de) * 2001-10-22 2003-04-30 Ibeo Automobile Sensor Gmbh Verfahren zur Objekterkennung und/oder -verfolgung
DE10305010B4 (de) * 2003-02-07 2012-06-28 Robert Bosch Gmbh Vorrichtung und Verfahren zur Bilderzeugung
JP3915742B2 (ja) * 2003-06-20 2007-05-16 株式会社デンソー 車両用物体認識装置
JP4158725B2 (ja) * 2004-03-09 2008-10-01 株式会社デンソー 距離検出装置
JP4305231B2 (ja) * 2004-03-16 2009-07-29 株式会社デンソー 距離検出装置
DE102004055680A1 (de) * 2004-11-18 2006-05-24 Delphi Technologies, Inc., Troy Sensor zur Überwachung des Nahbereichs an einem Kraftfahrzeug
US7538310B2 (en) * 2005-03-31 2009-05-26 Sanyo Electric Co., Ltd. Laser beam irradiation device with error position detection
GB0515605D0 (en) * 2005-07-29 2005-09-07 Qinetiq Ltd Laser measurement device and method
US7495208B2 (en) * 2006-06-01 2009-02-24 Czarnek And Orkin Laboratories, Inc. Portable optical wound scanner
USRE46672E1 (en) 2006-07-13 2018-01-16 Velodyne Lidar, Inc. High definition LiDAR system
DE102007043495A1 (de) * 2007-09-12 2009-03-19 Robert Bosch Gmbh Entfernungsmesser sowie Entfernungsmesssystem
US20090147240A1 (en) * 2007-12-07 2009-06-11 Honeywell International Inc. Method and system for eye safety in optical sensor systems
DE102008032216A1 (de) * 2008-07-09 2010-01-14 Sick Ag Vorrichtung zur Erkennung der Anwesenheit eines Objekts im Raum
TW201243287A (en) * 2011-04-28 2012-11-01 Hon Hai Prec Ind Co Ltd Laser range finder
US9470520B2 (en) 2013-03-14 2016-10-18 Apparate International C.V. LiDAR scanner
CN106104297B (zh) * 2014-03-14 2020-06-30 赫普塔冈微光有限公司 可操作以识别虚假反射并补偿由虚假反射导致的误差的光电模块
WO2016010481A1 (en) * 2014-07-14 2016-01-21 Heptagon Micro Optics Pte. Ltd. Optoelectronic modules operable to distinguish between signals indicative of reflections from an object of interest and signals indicative of a spurious reflection
US9476968B2 (en) * 2014-07-24 2016-10-25 Rosemount Aerospace Inc. System and method for monitoring optical subsystem performance in cloud LIDAR systems
US10627490B2 (en) 2016-01-31 2020-04-21 Velodyne Lidar, Inc. Multiple pulse, LIDAR based 3-D imaging
WO2017164989A1 (en) 2016-03-19 2017-09-28 Velodyne Lidar, Inc. Integrated illumination and detection for lidar based 3-d imaging
US10393877B2 (en) 2016-06-01 2019-08-27 Velodyne Lidar, Inc. Multiple pixel scanning LIDAR
US10386465B2 (en) 2017-03-31 2019-08-20 Velodyne Lidar, Inc. Integrated LIDAR illumination power control
WO2018208843A1 (en) 2017-05-08 2018-11-15 Velodyne Lidar, Inc. Lidar data acquisition and control
US11294041B2 (en) 2017-12-08 2022-04-05 Velodyne Lidar Usa, Inc. Systems and methods for improving detection of a return signal in a light ranging and detection system
EP3732508A1 (de) * 2017-12-27 2020-11-04 AMS Sensors Singapore Pte. Ltd. Optoelektronische module und verfahren zum betrieb davon
JP7010165B2 (ja) * 2018-07-19 2022-02-10 株式会社デンソーウェーブ レーザレーダ装置
US11971507B2 (en) 2018-08-24 2024-04-30 Velodyne Lidar Usa, Inc. Systems and methods for mitigating optical crosstalk in a light ranging and detection system
US10712434B2 (en) 2018-09-18 2020-07-14 Velodyne Lidar, Inc. Multi-channel LIDAR illumination driver
US11082010B2 (en) 2018-11-06 2021-08-03 Velodyne Lidar Usa, Inc. Systems and methods for TIA base current detection and compensation
US11885958B2 (en) 2019-01-07 2024-01-30 Velodyne Lidar Usa, Inc. Systems and methods for a dual axis resonant scanning mirror
JP7275701B2 (ja) * 2019-03-19 2023-05-18 株式会社デンソー 測距装置および測距装置における異常判定方法
US10613203B1 (en) 2019-07-01 2020-04-07 Velodyne Lidar, Inc. Interference mitigation for light detection and ranging

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2833635C2 (de) * 1978-08-01 1983-05-05 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Messung der Verschmutzung von optischen Grenzflächen bei optischen Empfängern und Einrichtung zur Durchführung des Verfahrens
JPS5596475A (en) * 1979-01-19 1980-07-22 Nissan Motor Co Ltd Obstacle detector for vehicle
SE455541B (sv) * 1983-04-18 1988-07-18 Asea Ab Forfarande for styrning av energien hos metsignaler fran en molnhojdsmetare samt molnhojdsmetare for genomforande av forfarandet
JPH0210282A (ja) * 1988-06-29 1990-01-16 Oki Electric Ind Co Ltd レーザレーダ装置
JPH03202807A (ja) * 1989-12-28 1991-09-04 Toshiba Corp レーザ発振器の光量制御装置
DE4107850B4 (de) * 1990-03-10 2006-06-29 Daimlerchrysler Ag Anordnung zur Verbesserung der Sicht, insbesondere in Fahrzeugen
JPH04310890A (ja) * 1991-04-09 1992-11-02 Koden Electron Co Ltd 平面位置表示式レーザレーダ
JPH04355390A (ja) * 1991-06-03 1992-12-09 Nissan Motor Co Ltd 距離計測装置

Also Published As

Publication number Publication date
EP0636903B1 (de) 1998-10-07
US5515156A (en) 1996-05-07
EP0636903A1 (de) 1995-02-01
KR950003839A (ko) 1995-02-17
CN1109968A (zh) 1995-10-11
DE69413761T2 (de) 1999-07-08
KR0142634B1 (ko) 1998-08-17

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee