JPS6237391U - - Google Patents
Info
- Publication number
- JPS6237391U JPS6237391U JP12523685U JP12523685U JPS6237391U JP S6237391 U JPS6237391 U JP S6237391U JP 12523685 U JP12523685 U JP 12523685U JP 12523685 U JP12523685 U JP 12523685U JP S6237391 U JPS6237391 U JP S6237391U
- Authority
- JP
- Japan
- Prior art keywords
- control power
- pair
- power lines
- line
- 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.)
- Granted
Links
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Fire Alarms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985125236U JPH0426945Y2 (enExample) | 1985-08-16 | 1985-08-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985125236U JPH0426945Y2 (enExample) | 1985-08-16 | 1985-08-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6237391U true JPS6237391U (enExample) | 1987-03-05 |
| JPH0426945Y2 JPH0426945Y2 (enExample) | 1992-06-29 |
Family
ID=31017962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985125236U Expired JPH0426945Y2 (enExample) | 1985-08-16 | 1985-08-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0426945Y2 (enExample) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5553292U (enExample) * | 1978-09-27 | 1980-04-10 | ||
| JPS5619184U (enExample) * | 1979-07-20 | 1981-02-19 | ||
| JPS5723313A (en) * | 1970-07-27 | 1982-02-06 | Siemens Ag | Electromechanical filter having plural twisted resonators disposed parallel to axis |
| JPS5851388U (ja) * | 1981-09-30 | 1983-04-07 | ニツタン株式会社 | 火災警報地区ベル線の障害検出回路 |
| JPS60117398A (ja) * | 1983-11-29 | 1985-06-24 | 松下電工株式会社 | 火災報知用受信機の断線検出回路 |
-
1985
- 1985-08-16 JP JP1985125236U patent/JPH0426945Y2/ja not_active Expired
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5723313A (en) * | 1970-07-27 | 1982-02-06 | Siemens Ag | Electromechanical filter having plural twisted resonators disposed parallel to axis |
| JPS5553292U (enExample) * | 1978-09-27 | 1980-04-10 | ||
| JPS5619184U (enExample) * | 1979-07-20 | 1981-02-19 | ||
| JPS5851388U (ja) * | 1981-09-30 | 1983-04-07 | ニツタン株式会社 | 火災警報地区ベル線の障害検出回路 |
| JPS60117398A (ja) * | 1983-11-29 | 1985-06-24 | 松下電工株式会社 | 火災報知用受信機の断線検出回路 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0426945Y2 (enExample) | 1992-06-29 |