FR2309938A1 - Barriere lumineuse de surveillance d'objets, a emetteur-recepteur photo-electrique et retroflecteur du type lentille-dome - Google Patents

Barriere lumineuse de surveillance d'objets, a emetteur-recepteur photo-electrique et retroflecteur du type lentille-dome

Info

Publication number
FR2309938A1
FR2309938A1 FR7612007A FR7612007A FR2309938A1 FR 2309938 A1 FR2309938 A1 FR 2309938A1 FR 7612007 A FR7612007 A FR 7612007A FR 7612007 A FR7612007 A FR 7612007A FR 2309938 A1 FR2309938 A1 FR 2309938A1
Authority
FR
France
Prior art keywords
retroflector
surveillance
dome
photo
lens
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.)
Withdrawn
Application number
FR7612007A
Other languages
English (en)
French (fr)
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.)
Erwin Sick GmbH Optik Elektronik
Original Assignee
Erwin Sick GmbH Optik Elektronik
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 Erwin Sick GmbH Optik Elektronik filed Critical Erwin Sick GmbH Optik Elektronik
Publication of FR2309938A1 publication Critical patent/FR2309938A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G01V8/14—Detecting, e.g. by using light barriers using one transmitter and one receiver using reflectors
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
    • D03D51/18—Automatic stop motions
    • D03D51/20—Warp stop motions
    • D03D51/28—Warp stop motions electrical

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Knitting Machines (AREA)
  • Lenses (AREA)
  • Looms (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
FR7612007A 1975-04-28 1976-04-23 Barriere lumineuse de surveillance d'objets, a emetteur-recepteur photo-electrique et retroflecteur du type lentille-dome Withdrawn FR2309938A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752518828 DE2518828C3 (de) 1975-04-28 1975-04-28 Lichtschranke

Publications (1)

Publication Number Publication Date
FR2309938A1 true FR2309938A1 (fr) 1976-11-26

Family

ID=5945190

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7612007A Withdrawn FR2309938A1 (fr) 1975-04-28 1976-04-23 Barriere lumineuse de surveillance d'objets, a emetteur-recepteur photo-electrique et retroflecteur du type lentille-dome

Country Status (5)

Country Link
CH (1) CH595617A5 (US06420036-20020716-C00037.png)
DE (1) DE2518828C3 (US06420036-20020716-C00037.png)
FR (1) FR2309938A1 (US06420036-20020716-C00037.png)
GB (1) GB1529022A (US06420036-20020716-C00037.png)
IT (1) IT1059619B (US06420036-20020716-C00037.png)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4518257A (en) * 1982-07-28 1985-05-21 General Electric Company Optical inspection system and method
US5160850A (en) * 1991-01-14 1992-11-03 Walter J. Spirig Light beam interrupt detection apparatus for use in a vibrating environment
DE4242550C2 (de) * 1991-12-21 1995-08-24 Hirschmann Richard Gmbh Co Einrichtung zum Überwachen eines Verschlusselements
DE4237807A1 (de) * 1992-11-05 1994-05-11 Lutz J Koch Verfahren zur Ermittlung einer Bewertungsziffer für den Abbau von Schaum
DE19622495C2 (de) * 1996-06-05 2003-12-18 Ifm Electronic Gmbh Fadenerkennungsgerät
DE19626187C2 (de) * 1996-06-29 2000-02-10 Zumbach Electronic Ag Verfahren und Anordnung zur Detektion von Objekten
DE10335263B4 (de) * 2003-08-01 2005-08-11 Leuze Electronic Gmbh & Co Kg Optischer Sensor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE952155C (de) * 1954-05-23 1956-11-08 Erwin Sick Lichtelektrische Schranke
DE1228967B (de) * 1964-08-14 1966-11-17 Dr Hans Richter Lichtschranke mit Rueckstrahler
DE1772064B1 (de) * 1968-03-26 1970-11-19 Erwin Sick Optisches Messgeraet
FR2109694A5 (US06420036-20020716-C00037.png) * 1970-10-15 1972-05-26 Appalachian Electro Inst
FR2115621A5 (en) * 1970-11-26 1972-07-07 Appalachian Electronic Instr Detecting broken ends in a moving warp of - threads

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE952155C (de) * 1954-05-23 1956-11-08 Erwin Sick Lichtelektrische Schranke
DE1228967B (de) * 1964-08-14 1966-11-17 Dr Hans Richter Lichtschranke mit Rueckstrahler
DE1772064B1 (de) * 1968-03-26 1970-11-19 Erwin Sick Optisches Messgeraet
FR2109694A5 (US06420036-20020716-C00037.png) * 1970-10-15 1972-05-26 Appalachian Electro Inst
FR2115621A5 (en) * 1970-11-26 1972-07-07 Appalachian Electronic Instr Detecting broken ends in a moving warp of - threads

Also Published As

Publication number Publication date
DE2518828C3 (de) 1979-01-11
DE2518828A1 (de) 1976-11-04
DE2518828B2 (de) 1978-05-11
CH595617A5 (US06420036-20020716-C00037.png) 1978-02-15
GB1529022A (en) 1978-10-18
IT1059619B (it) 1982-06-21

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Legal Events

Date Code Title Description
ST Notification of lapse