GB1425896A - Photoelectric detection device - Google Patents

Photoelectric detection device

Info

Publication number
GB1425896A
GB1425896A GB1484373A GB1484373A GB1425896A GB 1425896 A GB1425896 A GB 1425896A GB 1484373 A GB1484373 A GB 1484373A GB 1484373 A GB1484373 A GB 1484373A GB 1425896 A GB1425896 A GB 1425896A
Authority
GB
United Kingdom
Prior art keywords
beams
interrupted
detectors
outputs
gate
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
GB1484373A
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.)
VISOMAT GERAETE GmbH
Original Assignee
VISOMAT GERAETE GmbH
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 VISOMAT GERAETE GmbH filed Critical VISOMAT GERAETE GmbH
Publication of GB1425896A publication Critical patent/GB1425896A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
    • F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
    • F16P3/144—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact using light grids

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Electronic Switches (AREA)
  • Optical Communication System (AREA)
  • Burglar Alarm Systems (AREA)
GB1484373A 1972-03-28 1973-03-28 Photoelectric detection device Expired GB1425896A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2215136A DE2215136C3 (de) 1972-03-28 1972-03-28 Lichtschutzgitter

Publications (1)

Publication Number Publication Date
GB1425896A true GB1425896A (en) 1976-02-18

Family

ID=5840433

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1484373A Expired GB1425896A (en) 1972-03-28 1973-03-28 Photoelectric detection device

Country Status (4)

Country Link
JP (1) JPS497869A (enExample)
DE (1) DE2215136C3 (enExample)
FR (1) FR2178685A5 (enExample)
GB (1) GB1425896A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2238379A (en) * 1989-10-13 1991-05-29 John Trett Obstruction detection apparatus

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2447423C2 (de) * 1974-10-04 1984-07-26 Leuze Electronic Kg, 7311 Owen Lichtelektrische Einheit
DE2824311C2 (de) * 1978-06-02 1983-03-03 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Justieranordnung zur Ausrichtung einer Gruppe zyklisch geschalteter Lichtsender oder Lichtempfänger
DE3013967C2 (de) * 1980-04-11 1984-08-09 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Justieranordnung für Lichtgitter
EP0602695B1 (en) * 1992-12-03 1998-03-04 REER S.p.A. Inherent-security comparator device, particularly for optoelectronic barriers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2238379A (en) * 1989-10-13 1991-05-29 John Trett Obstruction detection apparatus

Also Published As

Publication number Publication date
FR2178685A5 (enExample) 1973-11-09
DE2215136A1 (de) 1973-10-11
DE2215136B2 (de) 1975-02-13
DE2215136C3 (de) 1975-10-16
JPS497869A (enExample) 1974-01-24

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee