JPH0569193B2 - - Google Patents
Info
- Publication number
- JPH0569193B2 JPH0569193B2 JP28466285A JP28466285A JPH0569193B2 JP H0569193 B2 JPH0569193 B2 JP H0569193B2 JP 28466285 A JP28466285 A JP 28466285A JP 28466285 A JP28466285 A JP 28466285A JP H0569193 B2 JPH0569193 B2 JP H0569193B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- ultrasonic transducer
- oscillation
- change
- ultrasonic
- 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 - Lifetime
Links
- 230000010355 oscillation Effects 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 17
- 230000005284 excitation Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000035945 sensitivity Effects 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 |
|---|---|---|---|
| JP28466285A JPS62144085A (ja) | 1985-12-18 | 1985-12-18 | 移動物体検知装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28466285A JPS62144085A (ja) | 1985-12-18 | 1985-12-18 | 移動物体検知装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62144085A JPS62144085A (ja) | 1987-06-27 |
| JPH0569193B2 true JPH0569193B2 (en]) | 1993-09-30 |
Family
ID=17681357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28466285A Granted JPS62144085A (ja) | 1985-12-18 | 1985-12-18 | 移動物体検知装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62144085A (en]) |
-
1985
- 1985-12-18 JP JP28466285A patent/JPS62144085A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62144085A (ja) | 1987-06-27 |
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