FR2538567B1 - DEVICE FOR PHOTOELECTRIC SCANNING BY DEVIATION OF A LIGHT RAY, AND APPLICATION TO THE DETERMINATION OF THE MINIMUM AND MAXIMUM DIMENSIONS OF A CONTOUR - Google Patents

DEVICE FOR PHOTOELECTRIC SCANNING BY DEVIATION OF A LIGHT RAY, AND APPLICATION TO THE DETERMINATION OF THE MINIMUM AND MAXIMUM DIMENSIONS OF A CONTOUR

Info

Publication number
FR2538567B1
FR2538567B1 FR8221960A FR8221960A FR2538567B1 FR 2538567 B1 FR2538567 B1 FR 2538567B1 FR 8221960 A FR8221960 A FR 8221960A FR 8221960 A FR8221960 A FR 8221960A FR 2538567 B1 FR2538567 B1 FR 2538567B1
Authority
FR
France
Prior art keywords
contour
deviation
determination
minimum
application
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
Application number
FR8221960A
Other languages
French (fr)
Other versions
FR2538567A1 (en
Inventor
Claude Penet
Guy Buevoz
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.)
BOCQUET EXPL BUREAU ETU INDLES
Original Assignee
BOCQUET EXPL BUREAU ETU INDLES
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 BOCQUET EXPL BUREAU ETU INDLES filed Critical BOCQUET EXPL BUREAU ETU INDLES
Priority to FR8221960A priority Critical patent/FR2538567B1/en
Publication of FR2538567A1 publication Critical patent/FR2538567A1/en
Application granted granted Critical
Publication of FR2538567B1 publication Critical patent/FR2538567B1/en
Expired legal-status Critical Current

Links

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
    • G01B11/04—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
    • G01V8/18—Detecting, e.g. by using light barriers using one transmitter and one receiver using mechanical scanning systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FR8221960A 1982-12-24 1982-12-24 DEVICE FOR PHOTOELECTRIC SCANNING BY DEVIATION OF A LIGHT RAY, AND APPLICATION TO THE DETERMINATION OF THE MINIMUM AND MAXIMUM DIMENSIONS OF A CONTOUR Expired FR2538567B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8221960A FR2538567B1 (en) 1982-12-24 1982-12-24 DEVICE FOR PHOTOELECTRIC SCANNING BY DEVIATION OF A LIGHT RAY, AND APPLICATION TO THE DETERMINATION OF THE MINIMUM AND MAXIMUM DIMENSIONS OF A CONTOUR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8221960A FR2538567B1 (en) 1982-12-24 1982-12-24 DEVICE FOR PHOTOELECTRIC SCANNING BY DEVIATION OF A LIGHT RAY, AND APPLICATION TO THE DETERMINATION OF THE MINIMUM AND MAXIMUM DIMENSIONS OF A CONTOUR

Publications (2)

Publication Number Publication Date
FR2538567A1 FR2538567A1 (en) 1984-06-29
FR2538567B1 true FR2538567B1 (en) 1986-02-07

Family

ID=9280608

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8221960A Expired FR2538567B1 (en) 1982-12-24 1982-12-24 DEVICE FOR PHOTOELECTRIC SCANNING BY DEVIATION OF A LIGHT RAY, AND APPLICATION TO THE DETERMINATION OF THE MINIMUM AND MAXIMUM DIMENSIONS OF A CONTOUR

Country Status (1)

Country Link
FR (1) FR2538567B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19949056A1 (en) * 1999-10-12 2001-04-19 Kronenberg Gmbh H & J Photoelectric barrier
SE515475C2 (en) 1999-12-17 2001-08-13 Paris Trae & Metall Ab Method and apparatus for detecting and discharging faulty boards at a separation elevator
DE102005000705B4 (en) * 2005-01-03 2011-04-14 Klöckner Hänsel Processing GmbH Apparatus and method for measuring confectionery masses on a cooling belt

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3072798A (en) * 1959-10-27 1963-01-08 Erwin K Sick Photoelectric device
FR2042461A7 (en) * 1969-05-07 1971-02-12 Frazer Nash Williamson
DE2157815C3 (en) * 1971-11-22 1978-04-13 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Device for generating a light curtain
US4021476A (en) * 1975-12-29 1977-05-03 Union Carbide Corporation Vinyl acetate polymerization inhibitors

Also Published As

Publication number Publication date
FR2538567A1 (en) 1984-06-29

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Legal Events

Date Code Title Description
ST Notification of lapse