JPS6155797A - 火災報知設備の断線監視装置 - Google Patents
火災報知設備の断線監視装置Info
- Publication number
- JPS6155797A JPS6155797A JP17789184A JP17789184A JPS6155797A JP S6155797 A JPS6155797 A JP S6155797A JP 17789184 A JP17789184 A JP 17789184A JP 17789184 A JP17789184 A JP 17789184A JP S6155797 A JPS6155797 A JP S6155797A
- Authority
- JP
- Japan
- Prior art keywords
- line
- phase
- voltage
- fire
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 28
- 238000012806 monitoring device Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 8
- 239000000779 smoke Substances 0.000 description 8
- 230000007257 malfunction Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
Landscapes
- Fire Alarms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17789184A JPS6155797A (ja) | 1984-08-27 | 1984-08-27 | 火災報知設備の断線監視装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17789184A JPS6155797A (ja) | 1984-08-27 | 1984-08-27 | 火災報知設備の断線監視装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6155797A true JPS6155797A (ja) | 1986-03-20 |
| JPH0447879B2 JPH0447879B2 (enrdf_load_stackoverflow) | 1992-08-05 |
Family
ID=16038865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17789184A Granted JPS6155797A (ja) | 1984-08-27 | 1984-08-27 | 火災報知設備の断線監視装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6155797A (enrdf_load_stackoverflow) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5054084U (enrdf_load_stackoverflow) * | 1973-09-14 | 1975-05-23 | ||
| JPS5625120U (enrdf_load_stackoverflow) * | 1979-08-03 | 1981-03-07 |
-
1984
- 1984-08-27 JP JP17789184A patent/JPS6155797A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5054084U (enrdf_load_stackoverflow) * | 1973-09-14 | 1975-05-23 | ||
| JPS5625120U (enrdf_load_stackoverflow) * | 1979-08-03 | 1981-03-07 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0447879B2 (enrdf_load_stackoverflow) | 1992-08-05 |
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