FR2135819A5 - - Google Patents

Info

Publication number
FR2135819A5
FR2135819A5 FR7115519A FR7115519A FR2135819A5 FR 2135819 A5 FR2135819 A5 FR 2135819A5 FR 7115519 A FR7115519 A FR 7115519A FR 7115519 A FR7115519 A FR 7115519A FR 2135819 A5 FR2135819 A5 FR 2135819A5
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.)
Expired
Application number
FR7115519A
Other languages
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.)
COMETA SA
Original Assignee
COMETA SA
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 COMETA SA filed Critical COMETA SA
Priority to FR7115519A priority Critical patent/FR2135819A5/fr
Application granted granted Critical
Publication of FR2135819A5 publication Critical patent/FR2135819A5/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G08B13/184—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 using radiation reflectors
    • 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
    • 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
    • G01V8/20—Detecting, e.g. by using light barriers using multiple transmitters or receivers
    • G01V8/26—Detecting, e.g. by using light barriers using multiple transmitters or receivers using mechanical scanning systems

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)
FR7115519A 1971-04-30 1971-04-30 Expired FR2135819A5 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7115519A FR2135819A5 (enrdf_load_stackoverflow) 1971-04-30 1971-04-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7115519A FR2135819A5 (enrdf_load_stackoverflow) 1971-04-30 1971-04-30

Publications (1)

Publication Number Publication Date
FR2135819A5 true FR2135819A5 (enrdf_load_stackoverflow) 1972-12-22

Family

ID=9076194

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7115519A Expired FR2135819A5 (enrdf_load_stackoverflow) 1971-04-30 1971-04-30

Country Status (1)

Country Link
FR (1) FR2135819A5 (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2451100A1 (de) * 1973-10-29 1975-05-22 Xenex Corp Anwesenheits-pruefsystem
DE2552314A1 (de) * 1974-09-02 1977-06-02 Cometa S A Verfahren und einrichtung zur elektronischen abtastung
DE2648631A1 (de) * 1976-10-27 1978-05-03 Licentia Gmbh Lichtelektrische schranke mit paaren von lichtelektrischen sendern und empfaengern
DE4217696A1 (de) * 1992-05-27 1993-12-02 Mannesmann Ag Optoelektronischer Signalgeber
EP1073026A1 (en) * 1999-07-29 2001-01-31 M.I.B. Elettronica S.R.L. A device and process for detecting introduction of foreign bodies into environments of varying conformation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2451100A1 (de) * 1973-10-29 1975-05-22 Xenex Corp Anwesenheits-pruefsystem
DE2552314A1 (de) * 1974-09-02 1977-06-02 Cometa S A Verfahren und einrichtung zur elektronischen abtastung
DE2648631A1 (de) * 1976-10-27 1978-05-03 Licentia Gmbh Lichtelektrische schranke mit paaren von lichtelektrischen sendern und empfaengern
DE4217696A1 (de) * 1992-05-27 1993-12-02 Mannesmann Ag Optoelektronischer Signalgeber
EP1073026A1 (en) * 1999-07-29 2001-01-31 M.I.B. Elettronica S.R.L. A device and process for detecting introduction of foreign bodies into environments of varying conformation

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Legal Events

Date Code Title Description
ST Notification of lapse