CA1173575A - Systeme de communication - Google Patents
Systeme de communicationInfo
- Publication number
- CA1173575A CA1173575A CA000380793A CA380793A CA1173575A CA 1173575 A CA1173575 A CA 1173575A CA 000380793 A CA000380793 A CA 000380793A CA 380793 A CA380793 A CA 380793A CA 1173575 A CA1173575 A CA 1173575A
- Authority
- CA
- Canada
- Prior art keywords
- premises
- telephone
- exchange
- computer
- telephone line
- 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
- 238000004891 communication Methods 0.000 title claims abstract description 24
- 230000000007 visual effect Effects 0.000 claims abstract description 18
- 230000003287 optical effect Effects 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 6
- 230000011664 signaling Effects 0.000 description 5
- 239000000779 smoke Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000032538 Depersonalisation Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000380793A CA1173575A (fr) | 1981-06-29 | 1981-06-29 | Systeme de communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000380793A CA1173575A (fr) | 1981-06-29 | 1981-06-29 | Systeme de communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1173575A true CA1173575A (fr) | 1984-08-28 |
Family
ID=4120333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000380793A Expired CA1173575A (fr) | 1981-06-29 | 1981-06-29 | Systeme de communication |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1173575A (fr) |
-
1981
- 1981-06-29 CA CA000380793A patent/CA1173575A/fr not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |