JPH01153764U - - Google Patents
Info
- Publication number
- JPH01153764U JPH01153764U JP4931988U JP4931988U JPH01153764U JP H01153764 U JPH01153764 U JP H01153764U JP 4931988 U JP4931988 U JP 4931988U JP 4931988 U JP4931988 U JP 4931988U JP H01153764 U JPH01153764 U JP H01153764U
- Authority
- JP
- Japan
- Prior art keywords
- telephone line
- alarm
- signal
- security
- monitoring
- 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.)
- Pending
Links
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000012806 monitoring device Methods 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Emergency Alarm Devices (AREA)
- Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4931988U JPH01153764U (en, 2012) | 1988-04-14 | 1988-04-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4931988U JPH01153764U (en, 2012) | 1988-04-14 | 1988-04-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01153764U true JPH01153764U (en, 2012) | 1989-10-23 |
Family
ID=31275428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4931988U Pending JPH01153764U (en, 2012) | 1988-04-14 | 1988-04-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01153764U (en, 2012) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5824263A (ja) * | 1981-08-05 | 1983-02-14 | Nec Corp | 警備信号送出装置 |
| JPS61115198A (ja) * | 1984-11-12 | 1986-06-02 | 日本電気株式会社 | 警報送信装置 |
-
1988
- 1988-04-14 JP JP4931988U patent/JPH01153764U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5824263A (ja) * | 1981-08-05 | 1983-02-14 | Nec Corp | 警備信号送出装置 |
| JPS61115198A (ja) * | 1984-11-12 | 1986-06-02 | 日本電気株式会社 | 警報送信装置 |