JPH0146037B2 - - Google Patents
Info
- Publication number
- JPH0146037B2 JPH0146037B2 JP57206786A JP20678682A JPH0146037B2 JP H0146037 B2 JPH0146037 B2 JP H0146037B2 JP 57206786 A JP57206786 A JP 57206786A JP 20678682 A JP20678682 A JP 20678682A JP H0146037 B2 JPH0146037 B2 JP H0146037B2
- Authority
- JP
- Japan
- Prior art keywords
- time
- threshold level
- output
- ultrasonic
- waveform
- 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
- 238000007493 shaping process Methods 0.000 description 10
- 230000000630 rising effect Effects 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000012937 correction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 101000685040 Tityus serrulatus Alpha-toxin Ts5 Proteins 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20678682A JPS5997069A (ja) | 1982-11-25 | 1982-11-25 | 超音波式車高測定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20678682A JPS5997069A (ja) | 1982-11-25 | 1982-11-25 | 超音波式車高測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5997069A JPS5997069A (ja) | 1984-06-04 |
| JPH0146037B2 true JPH0146037B2 (fr) | 1989-10-05 |
Family
ID=16529066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20678682A Granted JPS5997069A (ja) | 1982-11-25 | 1982-11-25 | 超音波式車高測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5997069A (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60146172A (ja) * | 1984-01-11 | 1985-08-01 | Kubota Ltd | 非接触式測距装置 |
| JPS614986A (ja) * | 1984-06-20 | 1986-01-10 | Nissan Motor Co Ltd | 超音波距離測定装置 |
| JPS6267481A (ja) * | 1985-09-20 | 1987-03-27 | Matsushita Electric Ind Co Ltd | 洗濯機の超音波式距離装置 |
| JPS6446317A (en) * | 1987-08-14 | 1989-02-20 | Nec Corp | Counter circuit |
| US5603556A (en) * | 1995-11-20 | 1997-02-18 | Technical Services And Marketing, Inc. | Rail car load sensor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5439156A (en) * | 1977-09-02 | 1979-03-26 | Nippon Soken | Distance measuring device loaded on car |
-
1982
- 1982-11-25 JP JP20678682A patent/JPS5997069A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5439156A (en) * | 1977-09-02 | 1979-03-26 | Nippon Soken | Distance measuring device loaded on car |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5997069A (ja) | 1984-06-04 |
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