CA2243224A1 - Panneau d'alarme pour systeme de securite - Google Patents

Panneau d'alarme pour systeme de securite Download PDF

Info

Publication number
CA2243224A1
CA2243224A1 CA 2243224 CA2243224A CA2243224A1 CA 2243224 A1 CA2243224 A1 CA 2243224A1 CA 2243224 CA2243224 CA 2243224 CA 2243224 A CA2243224 A CA 2243224A CA 2243224 A1 CA2243224 A1 CA 2243224A1
Authority
CA
Canada
Prior art keywords
signal
optocoupler
telephone line
telephone
circuit
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.)
Abandoned
Application number
CA 2243224
Other languages
English (en)
Inventor
Reinhart Karl Pildner
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.)
Digital Security Controls Ltd
Original Assignee
Digital Security Controls 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 Digital Security Controls Ltd filed Critical Digital Security Controls Ltd
Priority to CA 2243224 priority Critical patent/CA2243224A1/fr
Publication of CA2243224A1 publication Critical patent/CA2243224A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/14—Central alarm receiver or annunciator arrangements
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
CA 2243224 1998-07-15 1998-07-15 Panneau d'alarme pour systeme de securite Abandoned CA2243224A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2243224 CA2243224A1 (fr) 1998-07-15 1998-07-15 Panneau d'alarme pour systeme de securite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2243224 CA2243224A1 (fr) 1998-07-15 1998-07-15 Panneau d'alarme pour systeme de securite

Publications (1)

Publication Number Publication Date
CA2243224A1 true CA2243224A1 (fr) 2000-01-15

Family

ID=29409637

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2243224 Abandoned CA2243224A1 (fr) 1998-07-15 1998-07-15 Panneau d'alarme pour systeme de securite

Country Status (1)

Country Link
CA (1) CA2243224A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1925149A1 (fr) * 2005-09-15 2008-05-28 Tyco Safety Products Canada Ltd. Interface de communication de ligne telephonique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1925149A1 (fr) * 2005-09-15 2008-05-28 Tyco Safety Products Canada Ltd. Interface de communication de ligne telephonique
EP1925149A4 (fr) * 2005-09-15 2009-06-03 Tyco Safety Prod Canada Ltd Interface de communication de ligne telephonique

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead