JPH02133691U - - Google Patents
Info
- Publication number
- JPH02133691U JPH02133691U JP4218989U JP4218989U JPH02133691U JP H02133691 U JPH02133691 U JP H02133691U JP 4218989 U JP4218989 U JP 4218989U JP 4218989 U JP4218989 U JP 4218989U JP H02133691 U JPH02133691 U JP H02133691U
- Authority
- JP
- Japan
- Prior art keywords
- infrared rays
- snow
- amount detection
- snowfall
- detection sensor
- 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
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4218989U JPH02133691U (en]) | 1989-04-11 | 1989-04-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4218989U JPH02133691U (en]) | 1989-04-11 | 1989-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02133691U true JPH02133691U (en]) | 1990-11-06 |
Family
ID=31553511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4218989U Pending JPH02133691U (en]) | 1989-04-11 | 1989-04-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02133691U (en]) |
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1989
- 1989-04-11 JP JP4218989U patent/JPH02133691U/ja active Pending