JPH0444090U - - Google Patents
Info
- Publication number
- JPH0444090U JPH0444090U JP8588790U JP8588790U JPH0444090U JP H0444090 U JPH0444090 U JP H0444090U JP 8588790 U JP8588790 U JP 8588790U JP 8588790 U JP8588790 U JP 8588790U JP H0444090 U JPH0444090 U JP H0444090U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- receiver
- clock
- indicator light
- fire
- 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 3
- 230000010355 oscillation Effects 0.000 claims description 2
- 238000012806 monitoring device Methods 0.000 claims 2
- 239000004065 semiconductor Substances 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fire Alarms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8588790U JPH0444090U (https=) | 1990-08-16 | 1990-08-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8588790U JPH0444090U (https=) | 1990-08-16 | 1990-08-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0444090U true JPH0444090U (https=) | 1992-04-14 |
Family
ID=31817278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8588790U Pending JPH0444090U (https=) | 1990-08-16 | 1990-08-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0444090U (https=) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS569896A (en) * | 1979-06-30 | 1981-01-31 | Matsushita Electric Industrial Co Ltd | Circuit check system |
-
1990
- 1990-08-16 JP JP8588790U patent/JPH0444090U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS569896A (en) * | 1979-06-30 | 1981-01-31 | Matsushita Electric Industrial Co Ltd | Circuit check system |
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