JPS5385198A - Continuity testing circuit of fire alarms - Google Patents
Continuity testing circuit of fire alarmsInfo
- Publication number
- JPS5385198A JPS5385198A JP15963176A JP15963176A JPS5385198A JP S5385198 A JPS5385198 A JP S5385198A JP 15963176 A JP15963176 A JP 15963176A JP 15963176 A JP15963176 A JP 15963176A JP S5385198 A JPS5385198 A JP S5385198A
- Authority
- JP
- Japan
- Prior art keywords
- testing circuit
- continuity testing
- fire alarms
- continuity
- 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.)
- Granted
Links
Landscapes
- Fire Alarms (AREA)
- Fire-Detection Mechanisms (AREA)
- Alarm Systems (AREA)
Abstract
PURPOSE: To facilitate the discrimination of the disconnection of detection circuits and make possible increasing the number of connections of smoke detectors by applying the counter electromotive force of a receiving relay to a continuity checking meter, in a continuity testing circuit of fire detectors.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15963176A JPS5385198A (en) | 1976-12-30 | 1976-12-30 | Continuity testing circuit of fire alarms |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15963176A JPS5385198A (en) | 1976-12-30 | 1976-12-30 | Continuity testing circuit of fire alarms |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5385198A true JPS5385198A (en) | 1978-07-27 |
JPS5732395B2 JPS5732395B2 (en) | 1982-07-10 |
Family
ID=15697923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15963176A Granted JPS5385198A (en) | 1976-12-30 | 1976-12-30 | Continuity testing circuit of fire alarms |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5385198A (en) |
-
1976
- 1976-12-30 JP JP15963176A patent/JPS5385198A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5732395B2 (en) | 1982-07-10 |
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