JPH0444993B2 - - Google Patents
Info
- Publication number
- JPH0444993B2 JPH0444993B2 JP17789084A JP17789084A JPH0444993B2 JP H0444993 B2 JPH0444993 B2 JP H0444993B2 JP 17789084 A JP17789084 A JP 17789084A JP 17789084 A JP17789084 A JP 17789084A JP H0444993 B2 JPH0444993 B2 JP H0444993B2
- Authority
- JP
- Japan
- Prior art keywords
- line
- resistance
- voltage
- disconnection
- 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.)
- Expired
Links
- 238000012806 monitoring device Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 4
- 239000000779 smoke Substances 0.000 description 9
- 230000007257 malfunction Effects 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
Landscapes
- Fire Alarms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17789084A JPS6155796A (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 |
|---|---|---|---|
| JP17789084A JPS6155796A (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 |
|---|---|
| JPS6155796A JPS6155796A (ja) | 1986-03-20 |
| JPH0444993B2 true JPH0444993B2 (enrdf_load_stackoverflow) | 1992-07-23 |
Family
ID=16038848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17789084A Granted JPS6155796A (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) | JPS6155796A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2720511B2 (ja) * | 1989-04-21 | 1998-03-04 | 日本電気株式会社 | ヴィアフィル形成方法 |
-
1984
- 1984-08-27 JP JP17789084A patent/JPS6155796A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6155796A (ja) | 1986-03-20 |
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