JPH02116394U - - Google Patents
Info
- Publication number
- JPH02116394U JPH02116394U JP2194689U JP2194689U JPH02116394U JP H02116394 U JPH02116394 U JP H02116394U JP 2194689 U JP2194689 U JP 2194689U JP 2194689 U JP2194689 U JP 2194689U JP H02116394 U JPH02116394 U JP H02116394U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- commercial power
- alarm device
- power supply
- disconnection
- 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 2
- 230000002159 abnormal effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Emergency Alarm Devices (AREA)
- Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2194689U JPH02116394U (de) | 1989-03-01 | 1989-03-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2194689U JPH02116394U (de) | 1989-03-01 | 1989-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02116394U true JPH02116394U (de) | 1990-09-18 |
Family
ID=31239624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2194689U Pending JPH02116394U (de) | 1989-03-01 | 1989-03-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02116394U (de) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63145599A (ja) * | 1986-07-02 | 1988-06-17 | 日本電気株式会社 | アラ−ム検出回路 |
| JPS63305499A (ja) * | 1987-06-08 | 1988-12-13 | Nec Corp | 警報送信装置 |
-
1989
- 1989-03-01 JP JP2194689U patent/JPH02116394U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63145599A (ja) * | 1986-07-02 | 1988-06-17 | 日本電気株式会社 | アラ−ム検出回路 |
| JPS63305499A (ja) * | 1987-06-08 | 1988-12-13 | Nec Corp | 警報送信装置 |