JPS52116097A - Lock continuity test circuit for anti-and exhasut smoke interlocking c ontrolling device for automatic fire alarm device - Google Patents
Lock continuity test circuit for anti-and exhasut smoke interlocking c ontrolling device for automatic fire alarm deviceInfo
- Publication number
- JPS52116097A JPS52116097A JP3328176A JP3328176A JPS52116097A JP S52116097 A JPS52116097 A JP S52116097A JP 3328176 A JP3328176 A JP 3328176A JP 3328176 A JP3328176 A JP 3328176A JP S52116097 A JPS52116097 A JP S52116097A
- Authority
- JP
- Japan
- Prior art keywords
- exhasut
- ontrolling
- test circuit
- fire alarm
- automatic 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
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Alarm Systems (AREA)
- Fire Alarms (AREA)
Abstract
PURPOSE: To obtain the circuit, which detects always and efficiently the unusal condition of fuse, by fitting the diodes, which are connected in parallel between 2 contacting points of the fire relay, and the luminous diodes and the reverse connection circuit of the diodes in the lock and fuse.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3328176A JPS6057120B2 (en) | 1976-03-25 | 1976-03-25 | Lock continuity test circuit for smoke prevention interlocking control device in automatic fire alarm equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3328176A JPS6057120B2 (en) | 1976-03-25 | 1976-03-25 | Lock continuity test circuit for smoke prevention interlocking control device in automatic fire alarm equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52116097A true JPS52116097A (en) | 1977-09-29 |
JPS6057120B2 JPS6057120B2 (en) | 1985-12-13 |
Family
ID=12382135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3328176A Expired JPS6057120B2 (en) | 1976-03-25 | 1976-03-25 | Lock continuity test circuit for smoke prevention interlocking control device in automatic fire alarm equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6057120B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0414910Y2 (en) * | 1985-04-26 | 1992-04-03 |
-
1976
- 1976-03-25 JP JP3328176A patent/JPS6057120B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6057120B2 (en) | 1985-12-13 |
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