DE3785022D1 - Sicherheitssensoren. - Google Patents

Sicherheitssensoren.

Info

Publication number
DE3785022D1
DE3785022D1 DE8787311159T DE3785022T DE3785022D1 DE 3785022 D1 DE3785022 D1 DE 3785022D1 DE 8787311159 T DE8787311159 T DE 8787311159T DE 3785022 T DE3785022 T DE 3785022T DE 3785022 D1 DE3785022 D1 DE 3785022D1
Authority
DE
Germany
Prior art keywords
safety sensors
sensors
safety
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
DE8787311159T
Other languages
English (en)
Other versions
DE3785022T2 (de
Inventor
John Lindsay Galloway
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
Racal Guardall Scotland 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10610720&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3785022(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Racal Guardall Scotland Ltd filed Critical Racal Guardall Scotland Ltd
Publication of DE3785022D1 publication Critical patent/DE3785022D1/de
Application granted granted Critical
Publication of DE3785022T2 publication Critical patent/DE3785022T2/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
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/183—Single detectors using dual technologies
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2491—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field
    • G08B13/2494—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field by interference with electro-magnetic field distribution combined with other electrical sensor means, e.g. microwave detectors combined with other sensor means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S250/00—Radiant energy
    • Y10S250/01—Passive intrusion detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Burglar Alarm Systems (AREA)
DE87311159T 1987-01-15 1987-12-17 Sicherheitssensoren. Expired - Fee Related DE3785022T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8700866A GB2199973B (en) 1987-01-15 1987-01-15 Security sensors

Publications (2)

Publication Number Publication Date
DE3785022D1 true DE3785022D1 (de) 1993-04-29
DE3785022T2 DE3785022T2 (de) 1993-10-14

Family

ID=10610720

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87311159T Expired - Fee Related DE3785022T2 (de) 1987-01-15 1987-12-17 Sicherheitssensoren.

Country Status (4)

Country Link
US (1) US4843244A (de)
EP (1) EP0274889B1 (de)
DE (1) DE3785022T2 (de)
GB (1) GB2199973B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1219751B (it) * 1988-04-13 1990-05-24 Elkron Spa Dispositivo rivelatore combinato a microonde e raggi infrarossi particolarmente per sistemi anti intrusione
DE8815287U1 (de) * 1988-12-08 1989-03-09 Asea Brown Boveri Ag, 6800 Mannheim, De
US5250228A (en) * 1991-11-06 1993-10-05 Raychem Corporation Conductive polymer composition
US5491467A (en) * 1994-01-31 1996-02-13 C & K Systems, Inc. Location independent intrusion detection system
AUPN374495A0 (en) * 1995-06-23 1995-07-13 Vision Systems Limited Security sensor arrangement
US20080029703A1 (en) * 2006-08-01 2008-02-07 Robert Bosch Gmbh System and method for range selectable motion detection

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1603306A (en) * 1978-04-27 1981-11-25 First Ba Security Ltd Intruder alarms
US4275303A (en) * 1979-11-13 1981-06-23 Arrowhead Enterprises, Inc. Passive infrared intrusion detection system
EP0147925A1 (de) * 1983-10-19 1985-07-10 C & K Systems, Inc. Kombinierte Infrarot- und Mikrowelleneinrichtung als Eindringalarmdetektor
DE8609515U1 (de) * 1986-04-08 1986-07-10 Fritz Fuss Gmbh & Co, 72458 Albstadt Vorrichtung zur Sabotageüberwachung an einem IR-Bewegungsmelder
US4746906A (en) * 1986-06-30 1988-05-24 Detection Systems, Inc. Dual technology intruder detection system with modular optics

Also Published As

Publication number Publication date
GB2199973A (en) 1988-07-20
GB8700866D0 (en) 1987-02-18
EP0274889A3 (en) 1989-09-06
US4843244A (en) 1989-06-27
EP0274889B1 (de) 1993-03-24
EP0274889A2 (de) 1988-07-20
GB2199973B (en) 1990-09-26
DE3785022T2 (de) 1993-10-14

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Legal Events

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