EP0953952A3 - Electromagnetic radiation sensing device - Google Patents

Electromagnetic radiation sensing device Download PDF

Info

Publication number
EP0953952A3
EP0953952A3 EP99303364A EP99303364A EP0953952A3 EP 0953952 A3 EP0953952 A3 EP 0953952A3 EP 99303364 A EP99303364 A EP 99303364A EP 99303364 A EP99303364 A EP 99303364A EP 0953952 A3 EP0953952 A3 EP 0953952A3
Authority
EP
European Patent Office
Prior art keywords
electromagnetic radiation
sensing device
radiation sensing
arrays
sub
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.)
Granted
Application number
EP99303364A
Other languages
German (de)
French (fr)
Other versions
EP0953952A2 (en
EP0953952B1 (en
Inventor
Edward Daniel Willink
Alan Henness
Ian Alexander Owers
Martin James Lister Mckelvie
Roger Holme
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.)
Carrier Fire and Security UK Ltd
Original Assignee
Guardall Ltd
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 Guardall Ltd filed Critical Guardall Ltd
Publication of EP0953952A2 publication Critical patent/EP0953952A2/en
Publication of EP0953952A3 publication Critical patent/EP0953952A3/en
Application granted granted Critical
Publication of EP0953952B1 publication Critical patent/EP0953952B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
    • G08B13/191—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems using pyroelectric sensor means

Abstract

An electromagnetic radiation sensing device (20) has an n x m array (22) of detecting elements (24) (where n and m are integers greater than unity). These elements (24) are symmetrically arranged about at least one axis, so as to form at least two sub-arrays (26,28). In response to illumination by electromagnetic radiation the sub-arrays (26,28) produce output signals which are substantially equivalent in magnitude and phase.
EP19990303364 1998-04-30 1999-04-29 Electromagnetic radiation sensing device Expired - Lifetime EP0953952B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9809152.3A GB9809152D0 (en) 1998-04-30 1998-04-30 Electromagnetic radiation sensing device
GB9809152 1998-04-30

Publications (3)

Publication Number Publication Date
EP0953952A2 EP0953952A2 (en) 1999-11-03
EP0953952A3 true EP0953952A3 (en) 2000-12-27
EP0953952B1 EP0953952B1 (en) 2004-02-04

Family

ID=10831187

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990303364 Expired - Lifetime EP0953952B1 (en) 1998-04-30 1999-04-29 Electromagnetic radiation sensing device

Country Status (3)

Country Link
EP (1) EP0953952B1 (en)
DE (1) DE69914524T2 (en)
GB (1) GB9809152D0 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7399970B2 (en) 2003-01-21 2008-07-15 Suren Systems, Ltd. PIR motion sensor
US7399969B2 (en) 2003-01-21 2008-07-15 Suren Systems, Ltd. PIR motion sensor
US7755052B2 (en) 2003-03-14 2010-07-13 Suren Systems, Ltd. PIR motion sensor
US7183912B2 (en) 2003-03-14 2007-02-27 Suren Systems, Ltd. PIR motion sensor utilizing sum and difference sensor signals
GB2426578A (en) 2005-05-27 2006-11-29 Thorn Security A flame detector having a pulsing optical test source that simulates the frequency of a flame
GB2426577A (en) 2005-05-27 2006-11-29 Thorn Security An optical detector with a reflector outside of its housing, and a plurality of sensors inside of its housing
US8314390B2 (en) 2006-09-11 2012-11-20 Suren Systems, Ltd. PIR motion sensor system

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789384A (en) * 1972-12-29 1974-01-29 Lawrence Security Inc Security system operated by changes in light at specified locations
US3818471A (en) * 1972-06-14 1974-06-18 Honeywell Inc Seismic intrusion line sensor
US3940753A (en) * 1973-09-25 1976-02-24 Cerberus Ag Detection of presence or absence of flames
US3992110A (en) * 1974-09-03 1976-11-16 The United States Of America As Represented By The Secretary Of The Navy Multi-spectral optical comparator
US4166955A (en) * 1977-06-24 1979-09-04 Cerberus Ag Radiation detector and method of operating the same
US4704533A (en) * 1985-04-15 1987-11-03 U.S. Philips Corporation Infrared intruder detection system
US4912748A (en) * 1987-09-26 1990-03-27 Matsushita Electric Works, Ltd. Infrared intrusion detector with a plurality of infrared ray detecting elements
US5045702A (en) * 1988-11-25 1991-09-03 Cerberus Ag Infrared intrustion detector
EP0582941A1 (en) * 1992-08-03 1994-02-16 Matsushita Electronics Corporation, Ltd. A temperature distribution measurement apparatus
US5468960A (en) * 1993-05-12 1995-11-21 Optex Co., Ltd. Pyroelectric infrared detector
US5493273A (en) * 1993-09-28 1996-02-20 The United States Of America As Represented By The Secretary Of The Navy System for detecting perturbations in an environment using temporal sensor data
EP0817145A1 (en) * 1996-06-24 1998-01-07 ABBPATENT GmbH Infrared sensor

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3818471A (en) * 1972-06-14 1974-06-18 Honeywell Inc Seismic intrusion line sensor
US3789384A (en) * 1972-12-29 1974-01-29 Lawrence Security Inc Security system operated by changes in light at specified locations
US3940753A (en) * 1973-09-25 1976-02-24 Cerberus Ag Detection of presence or absence of flames
US3992110A (en) * 1974-09-03 1976-11-16 The United States Of America As Represented By The Secretary Of The Navy Multi-spectral optical comparator
US4166955A (en) * 1977-06-24 1979-09-04 Cerberus Ag Radiation detector and method of operating the same
US4704533A (en) * 1985-04-15 1987-11-03 U.S. Philips Corporation Infrared intruder detection system
US4912748A (en) * 1987-09-26 1990-03-27 Matsushita Electric Works, Ltd. Infrared intrusion detector with a plurality of infrared ray detecting elements
US5045702A (en) * 1988-11-25 1991-09-03 Cerberus Ag Infrared intrustion detector
EP0582941A1 (en) * 1992-08-03 1994-02-16 Matsushita Electronics Corporation, Ltd. A temperature distribution measurement apparatus
US5468960A (en) * 1993-05-12 1995-11-21 Optex Co., Ltd. Pyroelectric infrared detector
US5493273A (en) * 1993-09-28 1996-02-20 The United States Of America As Represented By The Secretary Of The Navy System for detecting perturbations in an environment using temporal sensor data
EP0817145A1 (en) * 1996-06-24 1998-01-07 ABBPATENT GmbH Infrared sensor

Also Published As

Publication number Publication date
EP0953952A2 (en) 1999-11-03
EP0953952B1 (en) 2004-02-04
GB9809152D0 (en) 1998-07-01
DE69914524D1 (en) 2004-03-11
DE69914524T2 (en) 2005-01-05

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