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DE69803044D1 - Optisches gerät zur kontaktlosen messung des abstandes zu einer lichtquelle - Google Patents

Optisches gerät zur kontaktlosen messung des abstandes zu einer lichtquelle

Info

Publication number
DE69803044D1
DE69803044D1 DE69803044T DE69803044T DE69803044D1 DE 69803044 D1 DE69803044 D1 DE 69803044D1 DE 69803044 T DE69803044 T DE 69803044T DE 69803044 T DE69803044 T DE 69803044T DE 69803044 D1 DE69803044 D1 DE 69803044D1
Authority
DE
Germany
Prior art keywords
light source
distance
hot spots
optical device
contactless measurement
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
DE69803044T
Other languages
English (en)
Other versions
DE69803044T2 (de
Inventor
Xavier Levecq
Samuel Bucourt
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.)
Imagine Optic SA
Original Assignee
Imagine Optic SA
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
Application filed by Imagine Optic SA filed Critical Imagine Optic SA
Application granted granted Critical
Publication of DE69803044D1 publication Critical patent/DE69803044D1/de
Publication of DE69803044T2 publication Critical patent/DE69803044T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G01C3/02—Details
    • G01C3/06—Use of electric means to obtain final indication
    • G01C3/08—Use of electric radiation detectors
    • 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
    • G01S17/46—Indirect determination of position data
    • 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
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/12—Systems for determining distance or velocity not using reflection or reradiation using electromagnetic waves other than radio waves

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of Optical Distance (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
DE69803044T 1997-03-21 1998-03-20 Optisches gerät zur kontaktlosen messung des abstandes zu einer lichtquelle Expired - Fee Related DE69803044T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9703457A FR2761151B1 (fr) 1997-03-21 1997-03-21 Systeme optronique de mesure de distance sans contact d'une source lumineuse par analyse de la courbure du point d'onde issu de celle-ci
PCT/FR1998/000572 WO1998043112A1 (fr) 1997-03-21 1998-03-20 Dispositif optique de mesure de distance sans contact d'une source lumineuse

Publications (2)

Publication Number Publication Date
DE69803044D1 true DE69803044D1 (de) 2002-01-31
DE69803044T2 DE69803044T2 (de) 2002-08-22

Family

ID=9505042

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69803044T Expired - Fee Related DE69803044T2 (de) 1997-03-21 1998-03-20 Optisches gerät zur kontaktlosen messung des abstandes zu einer lichtquelle

Country Status (12)

Country Link
US (1) US6392755B1 (de)
EP (1) EP0970391B1 (de)
JP (1) JP2001519036A (de)
KR (1) KR20010005560A (de)
CN (1) CN1230692C (de)
AT (1) ATE211264T1 (de)
BR (1) BR9808412A (de)
CA (1) CA2283713A1 (de)
DE (1) DE69803044T2 (de)
FR (1) FR2761151B1 (de)
IL (1) IL131987A (de)
WO (1) WO1998043112A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1074854A1 (de) * 1999-08-04 2001-02-07 Datalogic S.P.A. Verfahren zum Messen der Entfernung eines Objekts
JP2002171537A (ja) * 2000-11-30 2002-06-14 Canon Inc 複眼撮像系、撮像装置および電子機器
DE10157378B4 (de) * 2001-11-22 2012-10-25 Robert Bosch Gmbh Messgerät zur berührungslosen Abstandsmessung
DE102006007764A1 (de) * 2006-02-20 2007-08-23 Sick Ag Optoelektronische Vorrichtung und Verfahren zu deren Betrieb
DE102006060062A1 (de) * 2006-12-19 2008-07-03 Sick Ag Objektfeststellungssensor
DE102007004632A1 (de) 2007-01-30 2008-07-31 Sick Ag Verfahren zur Erfassung eines Gegenstands und optoelektronische Vorrichtung
US7907061B2 (en) * 2007-11-14 2011-03-15 Intersil Americas Inc. Proximity sensors and methods for sensing proximity
DE102008055486A1 (de) * 2008-12-05 2010-06-24 Friedrich-Alexander-Universität Erlangen-Nürnberg Optische Messanordnung und optisches Messverfahren
US8222591B2 (en) * 2009-07-07 2012-07-17 Intersil Americas Inc. Proximity sensors with improved ambient light rejection
EP2560208B1 (de) * 2011-08-16 2018-02-21 Balluff GmbH Optoelektronischer Sensor
TWI542891B (zh) 2014-12-29 2016-07-21 原相科技股份有限公司 光學測距方法與光學測距系統
US11340352B2 (en) 2014-12-29 2022-05-24 Pixart Imaging Inc. Image noise compensating system, and auto clean machine
KR102431355B1 (ko) * 2016-10-25 2022-08-10 트리나미엑스 게엠베하 적어도 하나의 대상체의 광학적 검출을 위한 검출기

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61182516A (ja) * 1985-02-09 1986-08-15 Canon Inc 距離測定方法
DE3642196A1 (de) * 1986-12-10 1988-06-23 Mel Mikro Elektronik Gmbh Optoelektronische kollisionsschutzvorrichtung fuer fahrzeuge
JP2800531B2 (ja) * 1992-02-28 1998-09-21 三菱電機株式会社 車両用障害物検出装置
US5233174A (en) * 1992-03-11 1993-08-03 Hughes Danbury Optical Systems, Inc. Wavefront sensor having a lenslet array as a null corrector
US5249027A (en) * 1992-03-16 1993-09-28 Rockwell International Corporation Inter-vehicle distance measuring system
US5361127A (en) * 1992-08-07 1994-11-01 Hughes Aircraft Company Multi-image single sensor depth recovery system
JP3059035B2 (ja) * 1993-12-14 2000-07-04 三菱電機株式会社 距離測定装置
US5493391A (en) * 1994-07-11 1996-02-20 Sandia Corporation One dimensional wavefront distortion sensor comprising a lens array system
US5790242A (en) * 1995-07-31 1998-08-04 Robotic Vision Systems, Inc. Chromatic optical ranging sensor

Also Published As

Publication number Publication date
FR2761151B1 (fr) 1999-07-16
CN1257582A (zh) 2000-06-21
CA2283713A1 (fr) 1998-10-01
EP0970391A1 (de) 2000-01-12
JP2001519036A (ja) 2001-10-16
DE69803044T2 (de) 2002-08-22
CN1230692C (zh) 2005-12-07
ATE211264T1 (de) 2002-01-15
EP0970391B1 (de) 2001-12-19
IL131987A (en) 2004-01-04
KR20010005560A (ko) 2001-01-15
IL131987A0 (en) 2001-03-19
BR9808412A (pt) 2000-05-23
WO1998043112A1 (fr) 1998-10-01
US6392755B1 (en) 2002-05-21
FR2761151A1 (fr) 1998-09-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee