JPH0441512U - - Google Patents
Info
- Publication number
- JPH0441512U JPH0441512U JP1990081746U JP8174690U JPH0441512U JP H0441512 U JPH0441512 U JP H0441512U JP 1990081746 U JP1990081746 U JP 1990081746U JP 8174690 U JP8174690 U JP 8174690U JP H0441512 U JPH0441512 U JP H0441512U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- time
- entry
- road sign
- vehicles
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Road Signs Or Road Markings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990081746U JPH0540091Y2 (https=) | 1990-08-02 | 1990-08-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990081746U JPH0540091Y2 (https=) | 1990-08-02 | 1990-08-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0441512U true JPH0441512U (https=) | 1992-04-08 |
| JPH0540091Y2 JPH0540091Y2 (https=) | 1993-10-12 |
Family
ID=31627955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990081746U Expired - Lifetime JPH0540091Y2 (https=) | 1990-08-02 | 1990-08-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0540091Y2 (https=) |
-
1990
- 1990-08-02 JP JP1990081746U patent/JPH0540091Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0540091Y2 (https=) | 1993-10-12 |