JPH0272024U - - Google Patents
Info
- Publication number
- JPH0272024U JPH0272024U JP15228988U JP15228988U JPH0272024U JP H0272024 U JPH0272024 U JP H0272024U JP 15228988 U JP15228988 U JP 15228988U JP 15228988 U JP15228988 U JP 15228988U JP H0272024 U JPH0272024 U JP H0272024U
- Authority
- JP
- Japan
- Prior art keywords
- level
- piezoelectric vibrator
- oscillator
- proximity sensor
- display device
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Electronic Switches (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15228988U JPH0272024U (de) | 1988-11-22 | 1988-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15228988U JPH0272024U (de) | 1988-11-22 | 1988-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0272024U true JPH0272024U (de) | 1990-06-01 |
Family
ID=31427081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15228988U Pending JPH0272024U (de) | 1988-11-22 | 1988-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0272024U (de) |
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1988
- 1988-11-22 JP JP15228988U patent/JPH0272024U/ja active Pending