JPH0546158Y2 - - Google Patents
Info
- Publication number
- JPH0546158Y2 JPH0546158Y2 JP16594988U JP16594988U JPH0546158Y2 JP H0546158 Y2 JPH0546158 Y2 JP H0546158Y2 JP 16594988 U JP16594988 U JP 16594988U JP 16594988 U JP16594988 U JP 16594988U JP H0546158 Y2 JPH0546158 Y2 JP H0546158Y2
- Authority
- JP
- Japan
- Prior art keywords
- receiver
- relay board
- transmitter
- call
- 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 - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 claims description 46
- 238000004891 communication Methods 0.000 claims description 37
- 230000002265 prevention Effects 0.000 claims description 31
- 238000012806 monitoring device Methods 0.000 claims description 9
- 238000012360 testing method Methods 0.000 description 13
- 238000012423 maintenance Methods 0.000 description 11
- 238000012544 monitoring process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000020004 porter Nutrition 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Landscapes
- Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16594988U JPH0546158Y2 (fr) | 1988-12-22 | 1988-12-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16594988U JPH0546158Y2 (fr) | 1988-12-22 | 1988-12-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0289596U JPH0289596U (fr) | 1990-07-16 |
| JPH0546158Y2 true JPH0546158Y2 (fr) | 1993-12-01 |
Family
ID=31452897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16594988U Expired - Lifetime JPH0546158Y2 (fr) | 1988-12-22 | 1988-12-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0546158Y2 (fr) |
-
1988
- 1988-12-22 JP JP16594988U patent/JPH0546158Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0289596U (fr) | 1990-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |