JPS6239512Y2 - - Google Patents
Info
- Publication number
- JPS6239512Y2 JPS6239512Y2 JP8711181U JP8711181U JPS6239512Y2 JP S6239512 Y2 JPS6239512 Y2 JP S6239512Y2 JP 8711181 U JP8711181 U JP 8711181U JP 8711181 U JP8711181 U JP 8711181U JP S6239512 Y2 JPS6239512 Y2 JP S6239512Y2
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- spatial filter
- road surface
- filter element
- detection device
- 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 22
- 230000003287 optical effect Effects 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 11
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8711181U JPS6239512Y2 (en]) | 1981-06-12 | 1981-06-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8711181U JPS6239512Y2 (en]) | 1981-06-12 | 1981-06-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57198699U JPS57198699U (en]) | 1982-12-16 |
JPS6239512Y2 true JPS6239512Y2 (en]) | 1987-10-08 |
Family
ID=29882323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8711181U Expired JPS6239512Y2 (en]) | 1981-06-12 | 1981-06-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6239512Y2 (en]) |
-
1981
- 1981-06-12 JP JP8711181U patent/JPS6239512Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS57198699U (en]) | 1982-12-16 |
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