DE3679443D1 - Lichtschranke. - Google Patents

Lichtschranke.

Info

Publication number
DE3679443D1
DE3679443D1 DE8686105818T DE3679443T DE3679443D1 DE 3679443 D1 DE3679443 D1 DE 3679443D1 DE 8686105818 T DE8686105818 T DE 8686105818T DE 3679443 T DE3679443 T DE 3679443T DE 3679443 D1 DE3679443 D1 DE 3679443D1
Authority
DE
Germany
Prior art keywords
radiation
branches
alarm signal
sensor elements
light barrier
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 - Fee Related
Application number
DE8686105818T
Other languages
English (en)
Inventor
Kurt Mueller
Peter Waegli
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.)
Cerberus AG
Original Assignee
Cerberus AG
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 Cerberus AG filed Critical Cerberus AG
Application granted granted Critical
Publication of DE3679443D1 publication Critical patent/DE3679443D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Burglar Alarm Systems (AREA)
  • Luminescent Compositions (AREA)
  • Glass Compositions (AREA)
  • Liquid Crystal (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE8686105818T 1985-04-30 1986-04-26 Lichtschranke. Expired - Fee Related DE3679443D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1825/85A CH667340A5 (de) 1985-04-30 1985-04-30 Lichtschranke.

Publications (1)

Publication Number Publication Date
DE3679443D1 true DE3679443D1 (de) 1991-07-04

Family

ID=4219477

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686105818T Expired - Fee Related DE3679443D1 (de) 1985-04-30 1986-04-26 Lichtschranke.

Country Status (5)

Country Link
US (1) US4734575A (de)
EP (1) EP0200186B1 (de)
AT (1) ATE64023T1 (de)
CH (1) CH667340A5 (de)
DE (1) DE3679443D1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3641926C1 (de) * 1986-12-09 1988-04-28 Sick Optik Elektronik Erwin Autokollimationslichtvorhang
DE3733656C1 (de) * 1987-10-05 1989-02-02 Hoermann Kg Reflexionslichtschranke
EP0388352A1 (de) * 1989-03-15 1990-09-19 Elesta Ag Elektronik Einweg-Lichtschrankenanordnung
NL8902314A (nl) * 1989-09-15 1991-04-02 Michiel Kassies Werkwijze en inrichting voor het detecteren van een voorwerp.
US5955854A (en) * 1992-09-29 1999-09-21 Prospects Corporation Power driven venting of a vehicle
EP0951653B1 (de) * 1997-11-07 2003-01-02 Leuze electronic GmbH + Co. Optoelektronische vorrichtung
DE102004017183A1 (de) * 2004-04-07 2005-11-10 Siemens Ag Gesamtsystem, insbesondere medizinische Anlage
EP2318804B1 (de) * 2008-04-17 2017-03-29 Shilat Optronics Ltd Einbruchwarnsystem
EP2359593B1 (de) * 2008-11-25 2018-06-06 Tetravue, Inc. Systeme und verfahren für dreidimensionale bildgebung mit hoher auflösung
JP5458813B2 (ja) * 2009-11-10 2014-04-02 オムロン株式会社 光電センサ
EP2813868B1 (de) * 2013-06-11 2021-08-04 Rockwell Automation Switzerland GmbH Verfahren zur Synchronisation optischer Einheiten einer Lichtschranke und Lichtvorhang
EP3138285A4 (de) 2014-04-26 2018-01-03 Tetravue, Inc. Verfahren und system für robuste wellenformen mit verlängerter beleuchtung zur tiefenmessung in 3d-bildgebung
DE102014013326A1 (de) * 2014-09-15 2016-03-17 Imos Gubela Gmbh Optisches Sensorsystem
CN108780142B (zh) 2016-02-29 2023-10-31 恩耐股份有限公司 3d成像系统和方法
US11212512B2 (en) 2017-12-28 2021-12-28 Nlight, Inc. System and method of imaging using multiple illumination pulses

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2457502A (en) * 1944-08-09 1948-12-28 Shepherd Judson O'd Signal system employing polarized light
US3440427A (en) * 1966-04-12 1969-04-22 Philips Corp Remote control system with a unitary cell bridge circuit
GB1214981A (en) * 1967-05-05 1970-12-09 John Horrocks Control means using light filters
DE1946993A1 (de) * 1969-09-17 1971-03-25 Sick Erwin Fa Lichtschranke fuer analoge Messzwecke
US4333008A (en) * 1975-04-21 1982-06-01 Sanders Associates, Inc. Polarization coded doublet laser detection system
FR2347666A1 (fr) * 1976-04-09 1977-11-04 France Etat Photoelasticimetre automatique a deux longueurs d'ondes
US4342987A (en) * 1979-09-10 1982-08-03 Rossin Corporation Intruder detection system
US4339660A (en) * 1980-05-15 1982-07-13 Erwin Sick Gmbh Optik-Elektronik Reflection light barrier apparatus for recognizing both strongly and weakly reflecting objects

Also Published As

Publication number Publication date
ATE64023T1 (de) 1991-06-15
EP0200186B1 (de) 1991-05-29
EP0200186A3 (en) 1987-01-21
US4734575A (en) 1988-03-29
EP0200186A2 (de) 1986-11-05
CH667340A5 (de) 1988-09-30

Similar Documents

Publication Publication Date Title
ATE64023T1 (de) Lichtschranke.
US4523095A (en) Radiation detector with asymmetrical pattern
CA2220813A1 (en) Passive infrared motion detector and method
DE68917419D1 (de) Verfahren für Eindringalarm und System dafür.
ES503363A0 (es) Perfeccionamientos en la deteccion de fallos en sistemas sensores
ES505974A0 (es) Sistema de seguridad para detectar intrusos
IT1203179B (it) Sistema elaboratore dei segnali
ES8707821A1 (es) Un dispositivo detector de radiacion infrarroja
ATE21573T1 (de) Infrarot-einbruchdetektor.
ES551284A0 (es) Perfeccionamientos en detectores de intrusion infrarrojos
DE68907017T2 (de) Photoempfindliche vorrichtung mit signalverstaerkung im bereich der photoempfindlichen punkte.
ES2152335T3 (es) Dispositivo detector capacitivo y sistema de alarma.
SE7712385L (sv) Brandalarmanleggning
ATE3467T1 (de) Pyrodetektor.
ES498841A0 (es) Circuito y sistema de alarma para detectar la intrusion y localizacion de vehiculos.
DE69002032T2 (de) Partikelaufnehmer mit elektronischer Detektion.
SE7707012L (sv) Opto-elektriskt stralningsavsoknings- och detekteringssystem
NL8007081A (nl) Signaaldetectieschakeling.
FR2492533B1 (fr) Generateur de signal de detection de position
ATE16861T1 (de) Ueberwachungs- und alarmverfahren und entsprechende vorrichtung.
GB1447372A (en) Thermal radiation sensing conveyor particularly for a machine producing a roofing tile or the like
ATE173083T1 (de) Sensor zum erfassen von elektromagnetischer strahlung
BE876258A (fr) Interrupteur differentiel de grande sensibilite
JPS5539049A (en) Detection and detector of optical attenuation
FR2450530B1 (fr) Circuit de detection notamment detecteur am

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee