CN2605620Y - Domestic gas leakage alarm - Google Patents
Domestic gas leakage alarm Download PDFInfo
- Publication number
- CN2605620Y CN2605620Y CN 03214540 CN03214540U CN2605620Y CN 2605620 Y CN2605620 Y CN 2605620Y CN 03214540 CN03214540 CN 03214540 CN 03214540 U CN03214540 U CN 03214540U CN 2605620 Y CN2605620 Y CN 2605620Y
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- CN
- China
- Prior art keywords
- resistance
- circuit
- gas leakage
- capacitance
- current
- 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 - Fee Related
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- Emergency Alarm Devices (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03214540 CN2605620Y (en) | 2003-01-03 | 2003-01-03 | Domestic gas leakage alarm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03214540 CN2605620Y (en) | 2003-01-03 | 2003-01-03 | Domestic gas leakage alarm |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2605620Y true CN2605620Y (en) | 2004-03-03 |
Family
ID=34159700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 03214540 Expired - Fee Related CN2605620Y (en) | 2003-01-03 | 2003-01-03 | Domestic gas leakage alarm |
Country Status (1)
Country | Link |
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CN (1) | CN2605620Y (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103473895A (en) * | 2013-09-10 | 2013-12-25 | 江苏省常州技师学院 | Harmful gas remote alarm system |
-
2003
- 2003-01-03 CN CN 03214540 patent/CN2605620Y/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103473895A (en) * | 2013-09-10 | 2013-12-25 | 江苏省常州技师学院 | Harmful gas remote alarm system |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Designer after: Wang Guohua Designer after: Chen Xingluan Designer after: Chen Wei Designer after: Yu Guanghe Designer after: Lin Zhenqiang Designer before: Wang Guohua Designer before: Chen Xingluan Designer before: Yu Guanghe Designer before: Lin Zhenqiang |
|
COR | Change of bibliographic data |
Free format text: CORRECT: DESIGNER; FROM: WANG GUOHUA CHEN XINGLUAN YU GUANGHE LIN ZHENQIANG TO: WANG GUOHUA CHEN XINGLUAN CHEN WEI YU GUANGHE LIN ZHENQIANG |
|
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |