DE69633452T2 - Optische Abstandsmessmethode und Vorrichtung - Google Patents

Optische Abstandsmessmethode und Vorrichtung Download PDF

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Publication number
DE69633452T2
DE69633452T2 DE69633452T DE69633452T DE69633452T2 DE 69633452 T2 DE69633452 T2 DE 69633452T2 DE 69633452 T DE69633452 T DE 69633452T DE 69633452 T DE69633452 T DE 69633452T DE 69633452 T2 DE69633452 T2 DE 69633452T2
Authority
DE
Germany
Prior art keywords
value
electrical signals
sum
light
distance
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 - Lifetime
Application number
DE69633452T
Other languages
German (de)
English (en)
Other versions
DE69633452D1 (de
Inventor
Ciro Adelmo Pilone
Gianfranco Righi
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.)
Datasensor SpA
Original Assignee
Datasensor SpA
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 Datasensor SpA filed Critical Datasensor SpA
Application granted granted Critical
Publication of DE69633452D1 publication Critical patent/DE69633452D1/de
Publication of DE69633452T2 publication Critical patent/DE69633452T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
    • 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
    • G01C3/085—Use of electric radiation detectors with electronic parallax measurement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
    • G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Optical Distance (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Length Measuring Devices By Optical Means (AREA)
DE69633452T 1996-12-24 1996-12-24 Optische Abstandsmessmethode und Vorrichtung Expired - Lifetime DE69633452T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96830652A EP0851211B1 (en) 1996-12-24 1996-12-24 Optical distance measuring apparatus and method

Publications (2)

Publication Number Publication Date
DE69633452D1 DE69633452D1 (de) 2004-10-28
DE69633452T2 true DE69633452T2 (de) 2005-09-22

Family

ID=8226095

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69633452T Expired - Lifetime DE69633452T2 (de) 1996-12-24 1996-12-24 Optische Abstandsmessmethode und Vorrichtung

Country Status (5)

Country Link
US (1) US6122061A (enExample)
EP (1) EP0851211B1 (enExample)
JP (1) JPH10227632A (enExample)
DE (1) DE69633452T2 (enExample)
ES (1) ES2229258T3 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6330279B1 (en) * 1998-02-06 2001-12-11 Seagate Technology Llc System and method of correcting gain and offset error in a signal amplifier for a position sensitive detector
GB9828473D0 (en) 1998-12-24 1999-02-17 British Aerospace Non-contact positioning apparatus
DE10012522C2 (de) * 2000-03-15 2002-09-26 Leuze Electronic Gmbh & Co Distanzsensor
ATE456811T1 (de) * 2003-10-27 2010-02-15 Bea Sa Entfernungsmessgerät
FR2899326B1 (fr) * 2006-03-31 2009-03-06 H2I Technologies Sa "procede et dispositif de determination optique de la position d'un objet".
JP5670829B2 (ja) * 2011-05-13 2015-02-18 株式会社 ソキア・トプコン 光波距離計
KR102440167B1 (ko) * 2020-06-03 2022-09-06 주식회사 나무가 거리측정장치 및 거리측정장치의 구동 방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3709614A1 (de) * 1987-03-24 1988-10-20 Messerschmitt Boelkow Blohm Verfahren und vorrichtung zur positionsbestimmung
US5113080A (en) * 1990-07-10 1992-05-12 New Jersey Institute Of Technology Non-linear displacement sensor based on optical triangulation principle
JPH05322559A (ja) * 1992-05-26 1993-12-07 Matsushita Electric Works Ltd 光学式変位センサ
JP3243300B2 (ja) * 1992-05-26 2002-01-07 松下電工株式会社 変位センサ
DE69316354T2 (de) * 1993-08-03 1998-04-30 Yamatake Honeywell Co Ltd Verfahren und Gerät zur photoelektrischen Detektion
JP3233746B2 (ja) * 1993-08-24 2001-11-26 積水化学工業株式会社 光位置検出装置
JPH0798223A (ja) * 1993-09-28 1995-04-11 Canon Inc 測距装置
JP3513936B2 (ja) * 1993-12-22 2004-03-31 松下電工株式会社 光走査型変位測定装置
JP3051033B2 (ja) * 1994-09-28 2000-06-12 富士写真光機株式会社 測距装置

Also Published As

Publication number Publication date
US6122061A (en) 2000-09-19
JPH10227632A (ja) 1998-08-25
DE69633452D1 (de) 2004-10-28
EP0851211B1 (en) 2004-09-22
EP0851211A1 (en) 1998-07-01
ES2229258T3 (es) 2005-04-16

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