AU538327B2 - Central processor for switching alarm information over telephone lines - Google Patents
Central processor for switching alarm information over telephone linesInfo
- 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
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
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) |
-
1980
- 1980-10-24 AU AU63704/80A patent/AU538327B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU6370480A (en) | 1981-04-30 |
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