JPS635119Y2 - - Google Patents
Info
- Publication number
- JPS635119Y2 JPS635119Y2 JP8966980U JP8966980U JPS635119Y2 JP S635119 Y2 JPS635119 Y2 JP S635119Y2 JP 8966980 U JP8966980 U JP 8966980U JP 8966980 U JP8966980 U JP 8966980U JP S635119 Y2 JPS635119 Y2 JP S635119Y2
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- electrode
- piezoelectric buzzer
- comparator
- buzzer element
- 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
- 239000003990 capacitor Substances 0.000 claims description 14
- 230000010355 oscillation Effects 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 5
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Emergency Alarm Devices (AREA)
- Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8966980U JPS635119Y2 (enrdf_load_stackoverflow) | 1980-06-26 | 1980-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8966980U JPS635119Y2 (enrdf_load_stackoverflow) | 1980-06-26 | 1980-06-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5714295U JPS5714295U (enrdf_load_stackoverflow) | 1982-01-25 |
| JPS635119Y2 true JPS635119Y2 (enrdf_load_stackoverflow) | 1988-02-10 |
Family
ID=29451696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8966980U Expired JPS635119Y2 (enrdf_load_stackoverflow) | 1980-06-26 | 1980-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS635119Y2 (enrdf_load_stackoverflow) |
-
1980
- 1980-06-26 JP JP8966980U patent/JPS635119Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5714295U (enrdf_load_stackoverflow) | 1982-01-25 |
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