DE59100692D1 - Intrusionsdetektor. - Google Patents

Intrusionsdetektor.

Info

Publication number
DE59100692D1
DE59100692D1 DE91114646T DE59100692T DE59100692D1 DE 59100692 D1 DE59100692 D1 DE 59100692D1 DE 91114646 T DE91114646 T DE 91114646T DE 59100692 T DE59100692 T DE 59100692T DE 59100692 D1 DE59100692 D1 DE 59100692D1
Authority
DE
Germany
Prior art keywords
window
ultrasonic
radiation
cover
ultrasound
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
DE91114646T
Other languages
English (en)
Inventor
Peter Steiner
David Siegwart
Markus Rechsteiner
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4243258&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE59100692(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Cerberus AG filed Critical Cerberus AG
Application granted granted Critical
Publication of DE59100692D1 publication Critical patent/DE59100692D1/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
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits
    • G08B29/046—Monitoring of the detection circuits prevention of tampering with detection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
DE91114646T 1990-09-05 1991-08-30 Intrusionsdetektor. Expired - Fee Related DE59100692D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2862/90A CH680881A5 (de) 1990-09-05 1990-09-05

Publications (1)

Publication Number Publication Date
DE59100692D1 true DE59100692D1 (de) 1994-01-20

Family

ID=4243258

Family Applications (1)

Application Number Title Priority Date Filing Date
DE91114646T Expired - Fee Related DE59100692D1 (de) 1990-09-05 1991-08-30 Intrusionsdetektor.

Country Status (4)

Country Link
EP (1) EP0476397B2 (de)
AT (1) ATE98390T1 (de)
CH (1) CH680881A5 (de)
DE (1) DE59100692D1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2257822A (en) * 1991-06-27 1993-01-20 Prestige Aire 2000 Security system for test or monitoring equipment
EP1037184B1 (de) 1999-03-08 2003-10-29 Siemens Building Technologies AG Gehäuse für einen Gefahrenmelder
EP1061489B1 (de) * 1999-06-07 2004-08-25 Siemens Building Technologies AG Intrusionsmelder mit einer Einrichtung zur Sabotageüberwachung
US7852210B2 (en) * 2007-12-31 2010-12-14 Honeywell International Inc. Motion detector for detecting tampering and method for detecting tampering
US8150202B2 (en) 2008-06-30 2012-04-03 Honeywell International Inc. Gaussian mixture model based illumination normalization for global enhancement
DE102009047531A1 (de) * 2009-12-04 2011-06-09 Atral- Secal Gmbh Rauchmelder mit Ultraschall-Abdecküberwachung
EP4174814A1 (de) * 2021-10-26 2023-05-03 Carrier Fire & Security EMEA BV Bewegungsdetektor mit maskierungsdetektion

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3725888A (en) * 1971-04-05 1973-04-03 Pyrotector Inc Detector system
US4982094A (en) * 1986-10-31 1991-01-01 Takenaka Engineering Co., Ltd. Passive type crime-preventing infrared sensor provided with a mechanism of monitoring an obstruction for the visual field
IT1219751B (it) * 1988-04-13 1990-05-24 Elkron Spa Dispositivo rivelatore combinato a microonde e raggi infrarossi particolarmente per sistemi anti intrusione

Also Published As

Publication number Publication date
CH680881A5 (de) 1992-11-30
EP0476397A1 (de) 1992-03-25
ATE98390T1 (de) 1993-12-15
EP0476397B1 (de) 1993-12-08
EP0476397B2 (de) 2001-10-17

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8339 Ceased/non-payment of the annual fee