GB9809152D0 - Electromagnetic radiation sensing device - Google Patents

Electromagnetic radiation sensing device

Info

Publication number
GB9809152D0
GB9809152D0 GBGB9809152.3A GB9809152A GB9809152D0 GB 9809152 D0 GB9809152 D0 GB 9809152D0 GB 9809152 A GB9809152 A GB 9809152A GB 9809152 D0 GB9809152 D0 GB 9809152D0
Authority
GB
United Kingdom
Prior art keywords
sensing device
electromagnetic radiation
radiation sensing
electromagnetic
sensing
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.)
Ceased
Application number
GBGB9809152.3A
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
Priority to GBGB9809152.3A priority Critical patent/GB9809152D0/en
Publication of GB9809152D0 publication Critical patent/GB9809152D0/en
Priority to DE69914524T priority patent/DE69914524T2/en
Priority to EP19990303364 priority patent/EP0953952B1/en
Ceased legal-status Critical Current

Links

GBGB9809152.3A 1998-04-30 1998-04-30 Electromagnetic radiation sensing device Ceased GB9809152D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GBGB9809152.3A GB9809152D0 (en) 1998-04-30 1998-04-30 Electromagnetic radiation sensing device
DE69914524T DE69914524T2 (en) 1998-04-30 1999-04-29 Electromagnetic radiation detection device
EP19990303364 EP0953952B1 (en) 1998-04-30 1999-04-29 Electromagnetic radiation sensing device

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB9809152D0 true GB9809152D0 (en) 1998-07-01

Family

ID=10831187

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB9809152.3A Ceased GB9809152D0 (en) 1998-04-30 1998-04-30 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

Family Cites Families (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
CH558577A (en) * 1973-09-25 1975-01-31 Cerberus Ag METHOD OF FLAME DETECTION AND DEVICE FOR CARRYING OUT THIS METHOD.
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
CH617279A5 (en) * 1977-06-24 1980-05-14 Cerberus Ag
GB2174224B (en) * 1985-04-15 1988-07-13 Philips Electronic Associated Infra-red intruder detection system
JPH0786537B2 (en) * 1987-09-26 1995-09-20 松下電工株式会社 Human body detection device
CH675921A5 (en) * 1988-11-25 1990-11-15 Cerberus Ag
JP3010459B2 (en) * 1992-08-03 2000-02-21 松下電器産業株式会社 Temperature distribution measuring device and human body detection system
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
DE19625235A1 (en) * 1996-06-24 1998-01-02 Abb Patent Gmbh Motion detector for the detection of moving objects emitting heat radiation

Also Published As

Publication number Publication date
EP0953952A3 (en) 2000-12-27
EP0953952A2 (en) 1999-11-03
DE69914524T2 (en) 2005-01-05
EP0953952B1 (en) 2004-02-04
DE69914524D1 (en) 2004-03-11

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)