JPH01133697U - - Google Patents
Info
- Publication number
- JPH01133697U JPH01133697U JP1988025599U JP2559988U JPH01133697U JP H01133697 U JPH01133697 U JP H01133697U JP 1988025599 U JP1988025599 U JP 1988025599U JP 2559988 U JP2559988 U JP 2559988U JP H01133697 U JPH01133697 U JP H01133697U
- Authority
- JP
- Japan
- Prior art keywords
- voltage level
- signal
- alarm
- identification circuit
- identifies
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Emergency Alarm Devices (AREA)
- Alarm Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988025599U JPH01133697U (un) | 1988-02-26 | 1988-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988025599U JPH01133697U (un) | 1988-02-26 | 1988-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01133697U true JPH01133697U (un) | 1989-09-12 |
Family
ID=31246473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988025599U Pending JPH01133697U (un) | 1988-02-26 | 1988-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01133697U (un) |
-
1988
- 1988-02-26 JP JP1988025599U patent/JPH01133697U/ja active Pending