IT1284601B1 - INFRARED SAFETY LIGHT CURTAIN - Google Patents

INFRARED SAFETY LIGHT CURTAIN

Info

Publication number
IT1284601B1
IT1284601B1 IT96MI001980A ITMI961980A IT1284601B1 IT 1284601 B1 IT1284601 B1 IT 1284601B1 IT 96MI001980 A IT96MI001980 A IT 96MI001980A IT MI961980 A ITMI961980 A IT MI961980A IT 1284601 B1 IT1284601 B1 IT 1284601B1
Authority
IT
Italy
Prior art keywords
light curtain
safety light
infrared safety
infrared
curtain
Prior art date
Application number
IT96MI001980A
Other languages
Italian (it)
Inventor
Ottorino Barbuti
Original Assignee
Ottorino Barbuti
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 Ottorino Barbuti filed Critical Ottorino Barbuti
Priority to IT96MI001980A priority Critical patent/IT1284601B1/en
Priority to FR9712030A priority patent/FR2754089A1/en
Publication of ITMI961980A1 publication Critical patent/ITMI961980A1/en
Application granted granted Critical
Publication of IT1284601B1 publication Critical patent/IT1284601B1/en

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)
  • Laser Surgery Devices (AREA)
  • Geophysics And Detection Of Objects (AREA)
IT96MI001980A 1996-09-27 1996-09-27 INFRARED SAFETY LIGHT CURTAIN IT1284601B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT96MI001980A IT1284601B1 (en) 1996-09-27 1996-09-27 INFRARED SAFETY LIGHT CURTAIN
FR9712030A FR2754089A1 (en) 1996-09-27 1997-09-26 Infrared barrier screen for machinery accident prevention

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96MI001980A IT1284601B1 (en) 1996-09-27 1996-09-27 INFRARED SAFETY LIGHT CURTAIN

Publications (2)

Publication Number Publication Date
ITMI961980A1 ITMI961980A1 (en) 1998-03-27
IT1284601B1 true IT1284601B1 (en) 1998-05-21

Family

ID=11374933

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96MI001980A IT1284601B1 (en) 1996-09-27 1996-09-27 INFRARED SAFETY LIGHT CURTAIN

Country Status (2)

Country Link
FR (1) FR2754089A1 (en)
IT (1) IT1284601B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20040461A1 (en) 2004-07-07 2004-10-07 Deitech S R L RADIATION BARRIER ELEMENT
GB2423241A (en) * 2005-01-25 2006-08-23 Spaceace Ltd Object sensing device associated with moving furniture
RU2009140967A (en) 2007-04-06 2011-05-20 Конинклейке Филипс Электроникс Н.В. (Nl) OPTICAL DIRECT VISIBILITY DETECTION SYSTEM AND COMMUNICATION SYSTEM

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2656185A1 (en) * 1976-12-11 1978-06-15 Licentia Gmbh Reflective photoelectric cell with polycarbonate lens - has photodiodes cast in transparent plastics housing
US4266124A (en) * 1979-08-10 1981-05-05 Data Instruments, Inc. Photoelectric object detector system
US4412129A (en) * 1981-04-01 1983-10-25 Eaton Corporation Adjustable photoelectric detector head for solid state limit switch
DE3603927A1 (en) * 1986-02-07 1987-08-13 Efaflex Transport Lager DEVICE FOR DETECTING A SHADOW OF A SIGNAL SENDED BY AT LEAST ONE TRANSMITTER IN AN INTERMEDIATE SPACE BETWEEN THE TRANSMITTER AND RECEIVER
AT396188B (en) * 1989-03-13 1993-06-25 Witronic Elektronische Geraete METHOD FOR MONITORING THE SPACE BETWEEN FORCE-MOVING DEVICES
US5149921A (en) * 1991-07-10 1992-09-22 Innovation Industries, Inc. Self correcting infrared intrusion detection system
GB9311933D0 (en) * 1993-06-09 1993-07-28 Intelsec Systems Ltd Detector systems

Also Published As

Publication number Publication date
FR2754089A1 (en) 1998-04-03
ITMI961980A1 (en) 1998-03-27

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Legal Events

Date Code Title Description
0001 Granted