JPH0248883U - - Google Patents
Info
- Publication number
- JPH0248883U JPH0248883U JP12721688U JP12721688U JPH0248883U JP H0248883 U JPH0248883 U JP H0248883U JP 12721688 U JP12721688 U JP 12721688U JP 12721688 U JP12721688 U JP 12721688U JP H0248883 U JPH0248883 U JP H0248883U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- level signal
- circuit
- signal
- time
- 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
- 238000000605 extraction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 2
- 239000000284 extract Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12721688U JPH0248883U (https=) | 1988-09-30 | 1988-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12721688U JPH0248883U (https=) | 1988-09-30 | 1988-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0248883U true JPH0248883U (https=) | 1990-04-04 |
Family
ID=31379447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12721688U Pending JPH0248883U (https=) | 1988-09-30 | 1988-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0248883U (https=) |
-
1988
- 1988-09-30 JP JP12721688U patent/JPH0248883U/ja active Pending
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