FR2726089B1 - Procede de distancemetre pour mesure de distance avec une source laser et optique deportee par fibre optique - Google Patents

Procede de distancemetre pour mesure de distance avec une source laser et optique deportee par fibre optique

Info

Publication number
FR2726089B1
FR2726089B1 FR9412707A FR9412707A FR2726089B1 FR 2726089 B1 FR2726089 B1 FR 2726089B1 FR 9412707 A FR9412707 A FR 9412707A FR 9412707 A FR9412707 A FR 9412707A FR 2726089 B1 FR2726089 B1 FR 2726089B1
Authority
FR
France
Prior art keywords
distancemeter
laser
distance measurement
optical fiber
optical source
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
FR9412707A
Other languages
English (en)
Other versions
FR2726089A1 (fr
Inventor
Claude Rowdo
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.)
NELROW SA
Original Assignee
NELROW 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 NELROW SA filed Critical NELROW SA
Priority to FR9412707A priority Critical patent/FR2726089B1/fr
Publication of FR2726089A1 publication Critical patent/FR2726089A1/fr
Application granted granted Critical
Publication of FR2726089B1 publication Critical patent/FR2726089B1/fr
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
    • 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
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4818—Constructional features, e.g. arrangements of optical elements using optical fibres
    • 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
    • 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
    • G01S17/32—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S17/36—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal
    • 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
    • G01S17/32—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S17/34—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FR9412707A 1994-10-20 1994-10-20 Procede de distancemetre pour mesure de distance avec une source laser et optique deportee par fibre optique Expired - Fee Related FR2726089B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9412707A FR2726089B1 (fr) 1994-10-20 1994-10-20 Procede de distancemetre pour mesure de distance avec une source laser et optique deportee par fibre optique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9412707A FR2726089B1 (fr) 1994-10-20 1994-10-20 Procede de distancemetre pour mesure de distance avec une source laser et optique deportee par fibre optique

Publications (2)

Publication Number Publication Date
FR2726089A1 FR2726089A1 (fr) 1996-04-26
FR2726089B1 true FR2726089B1 (fr) 1996-11-29

Family

ID=9468156

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9412707A Expired - Fee Related FR2726089B1 (fr) 1994-10-20 1994-10-20 Procede de distancemetre pour mesure de distance avec une source laser et optique deportee par fibre optique

Country Status (1)

Country Link
FR (1) FR2726089B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1344613A (en) * 1971-07-20 1974-01-23 British Aircraft Corp Ltd Surface displacement detection apparatus
DE3422772C2 (de) * 1984-06-20 1986-07-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Vorrichtung zur berührungslosen Innengewindemessung
DE3513350C1 (de) * 1985-04-13 1986-06-26 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Einrichtung zur Erkennung und Richtungsdetektion von optischer Strahlung,insbes. Laserstrahlung
BE902359A (fr) * 1985-05-06 1985-11-06 Centre Rech Metallurgique Procede pour determiner la planeite d'une bande laminee en mouvement.
FR2582825B1 (fr) * 1985-05-29 1988-08-05 Crouzet Sa Procede et dispositif pour la mesure du temps de propagation d'une onde
DE3527918A1 (de) * 1985-08-03 1987-02-12 Messerschmitt Boelkow Blohm Verfahren und vorrichtungen zur bestimmung der entfernung eines objektes durch auswerten der signale eines amplitudenmodierten cw-radars

Also Published As

Publication number Publication date
FR2726089A1 (fr) 1996-04-26

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Legal Events

Date Code Title Description
ST Notification of lapse
RN Application for restoration
IC Decision of the director general to declare irreceivable or to reject an appeal