JPS635017Y2 - - Google Patents
Info
- Publication number
- JPS635017Y2 JPS635017Y2 JP4684881U JP4684881U JPS635017Y2 JP S635017 Y2 JPS635017 Y2 JP S635017Y2 JP 4684881 U JP4684881 U JP 4684881U JP 4684881 U JP4684881 U JP 4684881U JP S635017 Y2 JPS635017 Y2 JP S635017Y2
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- snow
- snow depth
- receiving means
- wave transmitting
- 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
- 238000001514 detection method Methods 0.000 claims description 13
- 230000008859 change Effects 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4684881U JPS635017Y2 (enrdf_load_stackoverflow) | 1981-03-31 | 1981-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4684881U JPS635017Y2 (enrdf_load_stackoverflow) | 1981-03-31 | 1981-03-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57159122U JPS57159122U (enrdf_load_stackoverflow) | 1982-10-06 |
| JPS635017Y2 true JPS635017Y2 (enrdf_load_stackoverflow) | 1988-02-10 |
Family
ID=29843674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4684881U Expired JPS635017Y2 (enrdf_load_stackoverflow) | 1981-03-31 | 1981-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS635017Y2 (enrdf_load_stackoverflow) |
-
1981
- 1981-03-31 JP JP4684881U patent/JPS635017Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57159122U (enrdf_load_stackoverflow) | 1982-10-06 |
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