CA1240084A - Dispositif d'acces de secours pour ligne partagee - Google Patents

Dispositif d'acces de secours pour ligne partagee

Info

Publication number
CA1240084A
CA1240084A CA000492741A CA492741A CA1240084A CA 1240084 A CA1240084 A CA 1240084A CA 000492741 A CA000492741 A CA 000492741A CA 492741 A CA492741 A CA 492741A CA 1240084 A CA1240084 A CA 1240084A
Authority
CA
Canada
Prior art keywords
signalling
line
signalling device
switching device
data equipment
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
Application number
CA000492741A
Other languages
English (en)
Inventor
James V. Marisi
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.)
Saskatchewan Telecommunications
Original Assignee
Saskatchewan Telecommunications
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 Saskatchewan Telecommunications filed Critical Saskatchewan Telecommunications
Priority to CA000492741A priority Critical patent/CA1240084A/fr
Application granted granted Critical
Publication of CA1240084A publication Critical patent/CA1240084A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
    • H04Q5/02—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with direct connection for all subscribers, i.e. party-line 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
CA000492741A 1985-10-10 1985-10-10 Dispositif d'acces de secours pour ligne partagee Expired CA1240084A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000492741A CA1240084A (fr) 1985-10-10 1985-10-10 Dispositif d'acces de secours pour ligne partagee

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000492741A CA1240084A (fr) 1985-10-10 1985-10-10 Dispositif d'acces de secours pour ligne partagee

Publications (1)

Publication Number Publication Date
CA1240084A true CA1240084A (fr) 1988-08-02

Family

ID=4131590

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000492741A Expired CA1240084A (fr) 1985-10-10 1985-10-10 Dispositif d'acces de secours pour ligne partagee

Country Status (1)

Country Link
CA (1) CA1240084A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry