CH680881A5 - - Google Patents

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Publication number
CH680881A5
CH680881A5 CH2862/90A CH286290A CH680881A5 CH 680881 A5 CH680881 A5 CH 680881A5 CH 2862/90 A CH2862/90 A CH 2862/90A CH 286290 A CH286290 A CH 286290A CH 680881 A5 CH680881 A5 CH 680881A5
Authority
CH
Switzerland
Prior art keywords
ultrasound
window
receiver
emitter
infrared
Prior art date
Application number
CH2862/90A
Other languages
German (de)
English (en)
Inventor
Peter Steiner
Markus Rechsteiner
David Siegwart
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=CH680881(A5) "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
Priority to CH2862/90A priority Critical patent/CH680881A5/de
Priority to EP91114646A priority patent/EP0476397B2/de
Priority to DE91114646T priority patent/DE59100692D1/de
Priority to AT91114646T priority patent/ATE98390T1/de
Publication of CH680881A5 publication Critical patent/CH680881A5/de

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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)
CH2862/90A 1990-09-05 1990-09-05 CH680881A5 (2)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH2862/90A CH680881A5 (2) 1990-09-05 1990-09-05
EP91114646A EP0476397B2 (de) 1990-09-05 1991-08-30 Intrusionsdetektor
DE91114646T DE59100692D1 (de) 1990-09-05 1991-08-30 Intrusionsdetektor.
AT91114646T ATE98390T1 (de) 1990-09-05 1991-08-30 Intrusionsdetektor.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2862/90A CH680881A5 (2) 1990-09-05 1990-09-05

Publications (1)

Publication Number Publication Date
CH680881A5 true CH680881A5 (2) 1992-11-30

Family

ID=4243258

Family Applications (1)

Application Number Title Priority Date Filing Date
CH2862/90A CH680881A5 (2) 1990-09-05 1990-09-05

Country Status (4)

Country Link
EP (1) EP0476397B2 (2)
AT (1) ATE98390T1 (2)
CH (1) CH680881A5 (2)
DE (1) DE59100692D1 (2)

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
DE59907541D1 (de) 1999-03-08 2003-12-04 Siemens Building Tech 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 (en) * 2021-10-26 2023-05-03 Carrier Fire & Security EMEA BV Motion detector with masking detection

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
EP0476397B1 (de) 1993-12-08
EP0476397A1 (de) 1992-03-25
DE59100692D1 (de) 1994-01-20
EP0476397B2 (de) 2001-10-17
ATE98390T1 (de) 1993-12-15

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Legal Events

Date Code Title Description
PL Patent ceased