JPS58134694A - 電子発音装置 - Google Patents
電子発音装置Info
- Publication number
- JPS58134694A JPS58134694A JP17538782A JP17538782A JPS58134694A JP S58134694 A JPS58134694 A JP S58134694A JP 17538782 A JP17538782 A JP 17538782A JP 17538782 A JP17538782 A JP 17538782A JP S58134694 A JPS58134694 A JP S58134694A
- Authority
- JP
- Japan
- Prior art keywords
- switch
- water surface
- surface detection
- detection electrode
- sound
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 13
- 239000003990 capacitor Substances 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000005405 multipole Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000010361 irregular oscillation Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17538782A JPS58134694A (ja) | 1982-10-07 | 1982-10-07 | 電子発音装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17538782A JPS58134694A (ja) | 1982-10-07 | 1982-10-07 | 電子発音装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58134694A true JPS58134694A (ja) | 1983-08-10 |
| JPH0259479B2 JPH0259479B2 (enExample) | 1990-12-12 |
Family
ID=15995214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17538782A Granted JPS58134694A (ja) | 1982-10-07 | 1982-10-07 | 電子発音装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58134694A (enExample) |
-
1982
- 1982-10-07 JP JP17538782A patent/JPS58134694A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0259479B2 (enExample) | 1990-12-12 |
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