FR2209942A1 - - Google Patents

Info

Publication number
FR2209942A1
FR2209942A1 FR7335887A FR7335887A FR2209942A1 FR 2209942 A1 FR2209942 A1 FR 2209942A1 FR 7335887 A FR7335887 A FR 7335887A FR 7335887 A FR7335887 A FR 7335887A FR 2209942 A1 FR2209942 A1 FR 2209942A1
Authority
FR
France
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.)
Granted
Application number
FR7335887A
Other languages
French (fr)
Other versions
FR2209942B1 (de
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.)
Vereinigte Flugtechnische Werke Fokker GmbH
Original Assignee
Vereinigte Flugtechnische Werke Fokker 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 Vereinigte Flugtechnische Werke Fokker GmbH filed Critical Vereinigte Flugtechnische Werke Fokker GmbH
Publication of FR2209942A1 publication Critical patent/FR2209942A1/fr
Application granted granted Critical
Publication of FR2209942B1 publication Critical patent/FR2209942B1/fr
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
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
    • G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Mechanical Engineering (AREA)
  • Optical Communication System (AREA)
  • Electronic Switches (AREA)
FR7335887A 1972-11-21 1973-10-08 Expired FR2209942B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2256930A DE2256930B2 (de) 1972-11-21 1972-11-21 Schaltungsanordnung für eine zur Auslösung von Uberwachungsaufgaben und/ oderSteuerfunktionen dienende Infrarot-Lichtschranke

Publications (2)

Publication Number Publication Date
FR2209942A1 true FR2209942A1 (de) 1974-07-05
FR2209942B1 FR2209942B1 (de) 1976-07-02

Family

ID=5862280

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7335887A Expired FR2209942B1 (de) 1972-11-21 1973-10-08

Country Status (2)

Country Link
DE (1) DE2256930B2 (de)
FR (1) FR2209942B1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3222719A1 (de) * 1982-06-18 1984-02-02 Telefunken electronic GmbH, 7100 Heilbronn Schaltung fuer ein optoelektronisches koppelelement
DE3607670A1 (de) * 1986-03-08 1987-09-17 Holland Letz Felo Werkzeug Drehzahlsteller fuer elektromotorische antriebe von werkzeugen
DE4101206A1 (de) * 1990-01-20 1991-07-25 Aeg Sensorsysteme Gmbh Gepulste lichtschranke
FR2673019B1 (fr) * 1991-02-19 1995-06-23 Elcowa Sa Capteur photoelectrique.
DE4109618C2 (de) * 1991-03-23 2000-08-17 Gaggenau Werke Ausgabe- und Zerkleinerungsvorrichtung für Kleineisstücke
DE4141468C2 (de) * 1991-12-16 1994-06-30 Sick Optik Elektronik Erwin Optische Sensoranordnung und Verfahren zu deren Betrieb
DE4224784C2 (de) * 1992-07-27 1995-09-07 Lumiflex Elektronik Gmbh & Co Verfahren zum Betrieb von Lichtschranken, Lichtgittern oder Lichtvorhängen
US5416316A (en) * 1992-12-14 1995-05-16 Erwin Sick Gmbh Optik-Electronik Optical sensor arrangement for presence detection with variable pulse repetition frequency

Also Published As

Publication number Publication date
DE2256930B2 (de) 1975-04-24
DE2256930A1 (de) 1974-06-20
FR2209942B1 (de) 1976-07-02

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Legal Events

Date Code Title Description
ST Notification of lapse