GB1529022A - Light barrier - Google Patents

Light barrier

Info

Publication number
GB1529022A
GB1529022A GB17041/76A GB1704176A GB1529022A GB 1529022 A GB1529022 A GB 1529022A GB 17041/76 A GB17041/76 A GB 17041/76A GB 1704176 A GB1704176 A GB 1704176A GB 1529022 A GB1529022 A GB 1529022A
Authority
GB
United Kingdom
Prior art keywords
retroreflector
light barrier
light
april
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
Application number
GB17041/76A
Other languages
English (en)
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 GB1529022A publication Critical patent/GB1529022A/en
Expired 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)
  • Looms (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Lenses (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Knitting Machines (AREA)
GB17041/76A 1975-04-28 1976-04-27 Light barrier Expired GB1529022A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2518828A DE2518828C3 (de) 1975-04-28 1975-04-28 Lichtschranke

Publications (1)

Publication Number Publication Date
GB1529022A true GB1529022A (en) 1978-10-18

Family

ID=5945190

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17041/76A Expired GB1529022A (en) 1975-04-28 1976-04-27 Light barrier

Country Status (5)

Country Link
CH (1) CH595617A5 (enrdf_load_html_response)
DE (1) DE2518828C3 (enrdf_load_html_response)
FR (1) FR2309938A1 (enrdf_load_html_response)
GB (1) GB1529022A (enrdf_load_html_response)
IT (1) IT1059619B (enrdf_load_html_response)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124365A (en) * 1982-07-28 1984-02-15 Gen Electric Optical inspection system and method
EP1503226A3 (de) * 2003-08-01 2007-03-28 Leuze electronic GmbH + Co KG Optischer Sensor

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (4)

* 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
US3628030A (en) * 1970-10-15 1971-12-14 Appalachian Electronics Instr Broken end detection system for warpers utilizing novel optical system
FR2115621A5 (en) * 1970-11-26 1972-07-07 Appalachian Electronic Instr Detecting broken ends in a moving warp of - threads

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124365A (en) * 1982-07-28 1984-02-15 Gen Electric Optical inspection system and method
EP1503226A3 (de) * 2003-08-01 2007-03-28 Leuze electronic GmbH + Co KG Optischer Sensor

Also Published As

Publication number Publication date
DE2518828A1 (de) 1976-11-04
DE2518828B2 (de) 1978-05-11
FR2309938A1 (fr) 1976-11-26
DE2518828C3 (de) 1979-01-11
IT7622093A1 (it) 1977-10-07
IT1059619B (it) 1982-06-21
CH595617A5 (enrdf_load_html_response) 1978-02-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee