JPS6210871Y2 - - Google Patents
Info
- Publication number
- JPS6210871Y2 JPS6210871Y2 JP1979107484U JP10748479U JPS6210871Y2 JP S6210871 Y2 JPS6210871 Y2 JP S6210871Y2 JP 1979107484 U JP1979107484 U JP 1979107484U JP 10748479 U JP10748479 U JP 10748479U JP S6210871 Y2 JPS6210871 Y2 JP S6210871Y2
- Authority
- JP
- Japan
- Prior art keywords
- output
- level
- comparator
- operational amplifier
- detection signal
- 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
- 238000001514 detection method Methods 0.000 claims description 17
- 230000010355 oscillation Effects 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 7
- 239000007789 gas Substances 0.000 description 31
- 238000009423 ventilation Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
Landscapes
- Fire-Detection Mechanisms (AREA)
- Emergency Alarm Devices (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1979107484U JPS6210871Y2 (it) | 1979-07-31 | 1979-07-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1979107484U JPS6210871Y2 (it) | 1979-07-31 | 1979-07-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5627791U JPS5627791U (it) | 1981-03-14 |
JPS6210871Y2 true JPS6210871Y2 (it) | 1987-03-14 |
Family
ID=29340112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1979107484U Expired JPS6210871Y2 (it) | 1979-07-31 | 1979-07-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6210871Y2 (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58124894U (ja) * | 1982-02-18 | 1983-08-25 | 株式会社小松製作所 | 異常検出装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS441514Y1 (it) * | 1965-03-03 | 1969-01-21 | ||
JPS5223560A (en) * | 1975-08-14 | 1977-02-22 | Shiyuraubenkonbinaato Veb | Method of manufacturing high strencth cold formed parts |
-
1979
- 1979-07-31 JP JP1979107484U patent/JPS6210871Y2/ja not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS441514Y1 (it) * | 1965-03-03 | 1969-01-21 | ||
JPS5223560A (en) * | 1975-08-14 | 1977-02-22 | Shiyuraubenkonbinaato Veb | Method of manufacturing high strencth cold formed parts |
Also Published As
Publication number | Publication date |
---|---|
JPS5627791U (it) | 1981-03-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3832629A (en) | Battery condition indicator | |
KR950030486A (ko) | 파워 온 리세트 회로 | |
JPS6210871Y2 (it) | ||
US4544921A (en) | Fire alarm system | |
US4207553A (en) | Control apparatus for vehicle directional lamps | |
US3649913A (en) | Capacitor charge indicator circuit | |
JPS6339829Y2 (it) | ||
JPS6349838Y2 (it) | ||
JPS6343589Y2 (it) | ||
SU550698A1 (ru) | Устройство дл индикации перегорани плавкого предохранител | |
SU960763A1 (ru) | Устройство дл контрол исправности термопары | |
KR850001658Y1 (ko) | 가스연소기구의 경보회로 | |
JPS5850477Y2 (ja) | バツテリ型煙感知器のバツテリ切れ検出装置 | |
KR900000150Y1 (ko) | 유도 전동기 가변속 제어장치의 순시정전 재기동 회로 | |
JPS609913Y2 (ja) | 火災感知器等の動作確認回路 | |
JPS6111836Y2 (it) | ||
JPS5831276Y2 (ja) | 煙感知器の電池チエツク回路 | |
JPS58140469A (ja) | 無接点点火装置 | |
JPS6329237Y2 (it) | ||
JPS6051997A (ja) | ガス漏れ警報装置 | |
JPS55104765A (en) | Power supply voltage indicating circuit | |
KR930009318A (ko) | 링신호의 제로 크로스 검출 회로 | |
JPH04324598A (ja) | 異常報知装置 | |
JPH058696U (ja) | 火災報知器 | |
JPS5818797A (ja) | 報知装置 |