CA2198288C - Systeme de securite avec transmission bilaterale en phonie - Google Patents

Systeme de securite avec transmission bilaterale en phonie Download PDF

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Publication number
CA2198288C
CA2198288C CA002198288A CA2198288A CA2198288C CA 2198288 C CA2198288 C CA 2198288C CA 002198288 A CA002198288 A CA 002198288A CA 2198288 A CA2198288 A CA 2198288A CA 2198288 C CA2198288 C CA 2198288C
Authority
CA
Canada
Prior art keywords
control panel
microphone
signal
sensor
keypad
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 - Lifetime
Application number
CA002198288A
Other languages
English (en)
Other versions
CA2198288A1 (fr
Inventor
John Peterson
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.)
Tyco Safety Products Canada 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 CA002198288A priority Critical patent/CA2198288C/fr
Publication of CA2198288A1 publication Critical patent/CA2198288A1/fr
Application granted granted Critical
Publication of CA2198288C publication Critical patent/CA2198288C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
    • 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

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
CA002198288A 1997-02-24 1997-02-24 Systeme de securite avec transmission bilaterale en phonie Expired - Lifetime CA2198288C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002198288A CA2198288C (fr) 1997-02-24 1997-02-24 Systeme de securite avec transmission bilaterale en phonie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002198288A CA2198288C (fr) 1997-02-24 1997-02-24 Systeme de securite avec transmission bilaterale en phonie

Publications (2)

Publication Number Publication Date
CA2198288A1 CA2198288A1 (fr) 1998-08-24
CA2198288C true CA2198288C (fr) 2002-04-16

Family

ID=4160017

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002198288A Expired - Lifetime CA2198288C (fr) 1997-02-24 1997-02-24 Systeme de securite avec transmission bilaterale en phonie

Country Status (1)

Country Link
CA (1) CA2198288C (fr)

Also Published As

Publication number Publication date
CA2198288A1 (fr) 1998-08-24

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