DE2215136C3 - Lichtschutzgitter - Google Patents

Lichtschutzgitter

Info

Publication number
DE2215136C3
DE2215136C3 DE2215136A DE2215136A DE2215136C3 DE 2215136 C3 DE2215136 C3 DE 2215136C3 DE 2215136 A DE2215136 A DE 2215136A DE 2215136 A DE2215136 A DE 2215136A DE 2215136 C3 DE2215136 C3 DE 2215136C3
Authority
DE
Germany
Prior art keywords
light
flip
flop
signal
unit
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
DE2215136A
Other languages
German (de)
English (en)
Other versions
DE2215136B2 (de
DE2215136A1 (de
Inventor
Klaus 6522 Osthofen Bechtel
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 6500 Mainz GmbH
Original Assignee
Visomat-Geraete 6500 Mainz 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 6500 Mainz GmbH filed Critical Visomat-Geraete 6500 Mainz GmbH
Priority to DE2215136A priority Critical patent/DE2215136C3/de
Priority to FR7311184A priority patent/FR2178685A5/fr
Priority to GB1484373A priority patent/GB1425896A/en
Priority to JP48035510A priority patent/JPS497869A/ja
Publication of DE2215136A1 publication Critical patent/DE2215136A1/de
Priority to US05/506,837 priority patent/US3944818A/en
Publication of DE2215136B2 publication Critical patent/DE2215136B2/de
Application granted granted Critical
Publication of DE2215136C3 publication Critical patent/DE2215136C3/de
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)
  • Electronic Switches (AREA)
  • Burglar Alarm Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Optical Communication System (AREA)
DE2215136A 1972-03-28 1972-03-28 Lichtschutzgitter Expired DE2215136C3 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE2215136A DE2215136C3 (de) 1972-03-28 1972-03-28 Lichtschutzgitter
FR7311184A FR2178685A5 (enExample) 1972-03-28 1973-03-28
GB1484373A GB1425896A (en) 1972-03-28 1973-03-28 Photoelectric detection device
JP48035510A JPS497869A (enExample) 1972-03-28 1973-03-28
US05/506,837 US3944818A (en) 1972-03-28 1974-09-17 Photoelectric guard

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
DE2215136A1 DE2215136A1 (de) 1973-10-11
DE2215136B2 DE2215136B2 (de) 1975-02-13
DE2215136C3 true DE2215136C3 (de) 1975-10-16

Family

ID=5840433

Family Applications (1)

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

Country Status (4)

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

Families Citing this family (5)

* 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
GB2238379A (en) * 1989-10-13 1991-05-29 John Trett Obstruction detection apparatus
DE69317231T2 (de) * 1992-12-03 1998-08-27 Reer Spa Komparatorvorrichtung mit Eigensicherheit insbesondere für opto-elektronische Schranken

Also Published As

Publication number Publication date
FR2178685A5 (enExample) 1973-11-09
DE2215136B2 (de) 1975-02-13
GB1425896A (en) 1976-02-18
JPS497869A (enExample) 1974-01-24
DE2215136A1 (de) 1973-10-11

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EGA New person/name/address of the applicant
EHJ Ceased/non-payment of the annual fee