JPH0210450Y2 - - Google Patents
Info
- Publication number
- JPH0210450Y2 JPH0210450Y2 JP1981115897U JP11589781U JPH0210450Y2 JP H0210450 Y2 JPH0210450 Y2 JP H0210450Y2 JP 1981115897 U JP1981115897 U JP 1981115897U JP 11589781 U JP11589781 U JP 11589781U JP H0210450 Y2 JPH0210450 Y2 JP H0210450Y2
- Authority
- JP
- Japan
- Prior art keywords
- output
- signal
- circuit
- gas leak
- gas
- 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
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Pipeline Systems (AREA)
- Emergency Alarm Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11589781U JPS5821848U (ja) | 1981-08-04 | 1981-08-04 | ガス漏れ検出器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11589781U JPS5821848U (ja) | 1981-08-04 | 1981-08-04 | ガス漏れ検出器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5821848U JPS5821848U (ja) | 1983-02-10 |
JPH0210450Y2 true JPH0210450Y2 (en]) | 1990-03-15 |
Family
ID=29910144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11589781U Granted JPS5821848U (ja) | 1981-08-04 | 1981-08-04 | ガス漏れ検出器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5821848U (en]) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55147341A (en) * | 1979-05-08 | 1980-11-17 | Riken Keiki Kk | Alarming device for gas concentration |
JPS6142121Y2 (en]) * | 1979-10-18 | 1986-11-29 |
-
1981
- 1981-08-04 JP JP11589781U patent/JPS5821848U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5821848U (ja) | 1983-02-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0616308B1 (en) | Alarm System | |
JPH0518159B2 (en]) | ||
US3978476A (en) | Circuit conduction test arrangement for emergency alarm systems | |
US3525988A (en) | Electronic annunciator circuit | |
JPH0210450Y2 (en]) | ||
US4760379A (en) | Fail-safe high temperature alarm | |
JPS6017157B2 (ja) | 選択作動可能な火災感知器 | |
JPH05290285A (ja) | 火災報知設備 | |
US4849734A (en) | Self-diagnostic circuit for alarm-systems | |
US3942166A (en) | Fault detection and signaling system | |
JPH0212605Y2 (en]) | ||
US3579219A (en) | Leakage-current detector | |
JP3135712B2 (ja) | ガス漏れ警報遮断システム | |
JPS639039Y2 (en]) | ||
JPS6327273Y2 (en]) | ||
JP2775063B2 (ja) | 多重伝送を利用した火災監視方法及びシステム | |
JPS634239B2 (en]) | ||
JPH0379758B2 (en]) | ||
JPS64756B2 (en]) | ||
JPS635120Y2 (en]) | ||
JP3343689B2 (ja) | 火災報知機 | |
JPS6327277Y2 (en]) | ||
JPH09101336A (ja) | 制御機器用駆動装置 | |
JPS6327276Y2 (en]) | ||
JP3203136B2 (ja) | ホームセキュリティ装置 |