JPH0386495U - - Google Patents
Info
- Publication number
- JPH0386495U JPH0386495U JP14707889U JP14707889U JPH0386495U JP H0386495 U JPH0386495 U JP H0386495U JP 14707889 U JP14707889 U JP 14707889U JP 14707889 U JP14707889 U JP 14707889U JP H0386495 U JPH0386495 U JP H0386495U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- road
- detector
- facing
- approach
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14707889U JPH0386495U (en]) | 1989-12-22 | 1989-12-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14707889U JPH0386495U (en]) | 1989-12-22 | 1989-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0386495U true JPH0386495U (en]) | 1991-09-02 |
Family
ID=31693611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14707889U Pending JPH0386495U (en]) | 1989-12-22 | 1989-12-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0386495U (en]) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57117099A (en) * | 1981-01-14 | 1982-07-21 | Koito Kogyo Kk | Ultrasonic vehicle direction discriminator |
-
1989
- 1989-12-22 JP JP14707889U patent/JPH0386495U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57117099A (en) * | 1981-01-14 | 1982-07-21 | Koito Kogyo Kk | Ultrasonic vehicle direction discriminator |