DE59105775D1 - Infraroteindringdetektor. - Google Patents

Infraroteindringdetektor.

Info

Publication number
DE59105775D1
DE59105775D1 DE59105775T DE59105775T DE59105775D1 DE 59105775 D1 DE59105775 D1 DE 59105775D1 DE 59105775 T DE59105775 T DE 59105775T DE 59105775 T DE59105775 T DE 59105775T DE 59105775 D1 DE59105775 D1 DE 59105775D1
Authority
DE
Germany
Prior art keywords
sensor
irradiation
sensor elements
optical system
curve
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
DE59105775T
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
Application filed by Cerberus AG filed Critical Cerberus AG
Application granted granted Critical
Publication of DE59105775D1 publication Critical patent/DE59105775D1/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)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Geophysics And Detection Of Objects (AREA)
DE59105775T 1990-09-05 1991-08-30 Infraroteindringdetektor. Expired - Fee Related DE59105775D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2863/90A CH680882A5 (de) 1990-09-05 1990-09-05

Publications (1)

Publication Number Publication Date
DE59105775D1 true DE59105775D1 (de) 1995-07-27

Family

ID=4243284

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59105775T Expired - Fee Related DE59105775D1 (de) 1990-09-05 1991-08-30 Infraroteindringdetektor.

Country Status (4)

Country Link
EP (1) EP0475219B1 (de)
AT (1) ATE124160T1 (de)
CH (1) CH680882A5 (de)
DE (1) DE59105775D1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1061489B1 (de) * 1999-06-07 2004-08-25 Siemens Building Technologies AG Intrusionsmelder mit einer Einrichtung zur Sabotageüberwachung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH657928A5 (de) * 1981-11-25 1986-09-30 Eltec Instr Ag Anordnung fuer einen strahlungsdetektor mit mehreren sensorelementen und deren verwendung.
DE3573670D1 (en) * 1985-01-08 1989-11-16 Cerberus Ag Infrared intrusion detector

Also Published As

Publication number Publication date
CH680882A5 (de) 1992-11-30
EP0475219B1 (de) 1995-06-21
ATE124160T1 (de) 1995-07-15
EP0475219A1 (de) 1992-03-18

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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