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AU538327B2 - Central processor for switching alarm information over telephone lines - Google Patents
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AU538327B2 - Central processor for switching alarm information over telephone lines - Google Patents

Central processor for switching alarm information over telephone lines

Info

Publication number
AU538327B2
AU538327B2 AU63704/80A AU6370480A AU538327B2 AU 538327 B2 AU538327 B2 AU 538327B2 AU 63704/80 A AU63704/80 A AU 63704/80A AU 6370480 A AU6370480 A AU 6370480A AU 538327 B2 AU538327 B2 AU 538327B2
Authority
AU
Australia
Prior art keywords
central processor
alarm information
information over
telephone lines
over telephone
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
AU63704/80A
Other versions
AU6370480A (en
Inventor
Michael John BARTON
Ian Charles Chamberlain
Michael Henry Howard
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.)
British Telecommunications PLC
Original Assignee
Post Office
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 Post Office filed Critical Post Office
Priority to AU63704/80A priority Critical patent/AU538327B2/en
Publication of AU6370480A publication Critical patent/AU6370480A/en
Application granted granted Critical
Publication of AU538327B2 publication Critical patent/AU538327B2/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
AU63704/80A 1977-03-04 1980-10-24 Central processor for switching alarm information over telephone lines Expired AU538327B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU63704/80A AU538327B2 (en) 1977-03-04 1980-10-24 Central processor for switching alarm information over telephone lines

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9246/77 1977-03-04
AU63704/80A AU538327B2 (en) 1977-03-04 1980-10-24 Central processor for switching alarm information over telephone lines

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU33771/78A Division AU513789B2 (en) 1977-03-04 1978-03-02 Transmitting alarm information over telephone lines

Publications (2)

Publication Number Publication Date
AU6370480A AU6370480A (en) 1981-04-30
AU538327B2 true AU538327B2 (en) 1984-08-09

Family

ID=3748529

Family Applications (1)

Application Number Title Priority Date Filing Date
AU63704/80A Expired AU538327B2 (en) 1977-03-04 1980-10-24 Central processor for switching alarm information over telephone lines

Country Status (1)

Country Link
AU (1) AU538327B2 (en)

Also Published As

Publication number Publication date
AU6370480A (en) 1981-04-30

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