ES2053665T3 - Barrera optica por reflexion. - Google Patents

Barrera optica por reflexion.

Info

Publication number
ES2053665T3
ES2053665T3 ES88116015T ES88116015T ES2053665T3 ES 2053665 T3 ES2053665 T3 ES 2053665T3 ES 88116015 T ES88116015 T ES 88116015T ES 88116015 T ES88116015 T ES 88116015T ES 2053665 T3 ES2053665 T3 ES 2053665T3
Authority
ES
Spain
Prior art keywords
radiation
receiver
polarisation
analysers
analyser
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 - Lifetime
Application number
ES88116015T
Other languages
English (en)
Inventor
Stephan Dipl-Phys Hormann
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.)
Hoermann KG Brockhagen
Original Assignee
Hoermann KG Brockhagen
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 Hoermann KG Brockhagen filed Critical Hoermann KG Brockhagen
Application granted granted Critical
Publication of ES2053665T3 publication Critical patent/ES2053665T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Communication System (AREA)

Abstract

UNA BARRERA DE LUZ CON UN EMISOR QUE EMITE UNA RADIACION ELECTROMAGNETICA, PREFERENTEMENTE LUZ, CON UN POLARIZADOR, UN REFLECTOR SEPARADO, QUE GIRA EL PLANO DE POLARIZACION DE LA RADIACION POR UN ANGULO DETERMINADO. DISPONE TAMBIEN DE UN RECEPTOR SENSIBLE A LAS EMISIONES, QUE EMITE UNA SEÑAL DE DALIDA Y QUE A SU VEZ DISPONE DE UN ANALIZADOR. EL RECEPTOR ESTA DIVIDIDO EN DOS PARTES, CON UN PRIMER RECEPTOR Y OTRO SEGUNDO. TANTO EL PRIMERO COMO EL SEGUNDO TIENEN CADA UNO UN PLANO DE POLARIZACION CON UN PRIMERO Y UN SEGUNDO ANALIZADOR, ESTANDO LOS ANALIZADORES Y EL REFLECTOR COLOCADOS DE FORMA QUE EL PLANO DE POLARIZACION DORME CON LA RADIACION REFLEJADA EL ANGULO CERRADO ENTRE AMBOS PLANOS DE POLARIZACION. EL PLANO DE POLARIZACION DEL POLARIZADOR DEL EMISOR ES PARALELO RESPECTO A UNO DE LOS PLANOS DE POLARIZACION DE AMBOS ANALIZADORES. EXISTE UN DISPOSITIVO COMPARADOR QUE COMPARA AMBAS SEÑALES ANALOGAS ENTRE SI E INDICA SU SALIDA AL SOBREPASAR LA SEÑAL DE SALIDA.
ES88116015T 1987-10-05 1988-09-28 Barrera optica por reflexion. Expired - Lifetime ES2053665T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3733656A DE3733656C1 (de) 1987-10-05 1987-10-05 Reflexionslichtschranke

Publications (1)

Publication Number Publication Date
ES2053665T3 true ES2053665T3 (es) 1994-08-01

Family

ID=6337667

Family Applications (1)

Application Number Title Priority Date Filing Date
ES88116015T Expired - Lifetime ES2053665T3 (es) 1987-10-05 1988-09-28 Barrera optica por reflexion.

Country Status (4)

Country Link
EP (1) EP0310932B1 (es)
AT (1) ATE107063T1 (es)
DE (2) DE3733656C1 (es)
ES (1) ES2053665T3 (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH681756A5 (es) * 1990-11-12 1993-05-14 Beat Decoi
DE4221726C1 (en) * 1992-07-02 1993-08-19 Leuze Electronic Gmbh + Co, 7311 Owen, De Reflection light barrier using polarised light beam - has polarising beam splitter between single transmission and reception lens and light source and photodetector
DE4238116C2 (de) * 1992-11-12 1994-09-01 Leuze Electronic Gmbh & Co Reflexionslichtschranke mit nebeneinanderliegender Sende- und Empfangsoptik
DE19547301C1 (de) * 1995-12-18 1997-03-13 Siemens Ag Betätigungsvorrichtung mit zumindest einem optoelektronischen Tastenelement
DE19621120C1 (de) * 1996-05-24 1997-05-07 Leuze Electronic Gmbh & Co Optoelektronische Vorrichtung
DE19810231C2 (de) * 1997-11-07 2003-04-17 Leuze Electronic Gmbh & Co Optoelektronische Vorrichtung
WO1999024850A1 (de) * 1997-11-07 1999-05-20 Leuze Electronic Gmbh + Co. Optoelektronische vorrichtung
DE19913156B4 (de) * 1998-03-10 2004-04-15 Leuze Electronic Gmbh + Co Kg Optoelektronische Vorrichtung
WO2001013144A1 (de) * 1999-08-11 2001-02-22 Imos Gubela Gmbh Lichtschrankenanordnung mit strahlteiler
DE102006027389B4 (de) * 2006-06-13 2019-07-04 Sick Ag Lichtschranke und Verfahren zu deren Betrieb
DE102008032161A1 (de) * 2008-07-08 2010-01-21 Sick Ag Doppelstrahloptik für Lichtgitter
DE102009048119B4 (de) * 2009-10-02 2012-09-20 Sensopart Industriesensorik Gmbh Reflexionslichtschranke zum Erkennen von spiegelnden oder teilspiegelnden Objekten

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1934321A1 (de) * 1969-07-07 1971-01-21 Sick Erwin Lichtschranke
DE2238049A1 (de) * 1972-08-02 1974-02-21 Siemens Ag Einrichtung bei eisenbahnanlagen mit schienengleichen bahnuebergaengen
DE2824583C3 (de) * 1978-06-05 1985-10-03 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Reflexionslichtschranke zum Erkennen auch stark reflektierender Gegenstände innerhalb einer von einem Strahlenbündel durchsetzten Überwachungsstrecke
US4224608A (en) * 1978-11-13 1980-09-23 Detection Systems, Inc. Single terminal detection system
CH667340A5 (de) * 1985-04-30 1988-09-30 Cerberus Ag Lichtschranke.

Also Published As

Publication number Publication date
EP0310932A3 (de) 1991-02-06
EP0310932B1 (de) 1994-06-08
ATE107063T1 (de) 1994-06-15
DE3733656C1 (de) 1989-02-02
EP0310932A2 (de) 1989-04-12
DE3850027D1 (de) 1994-07-14

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