JPH0315242U - - Google Patents
Info
- Publication number
- JPH0315242U JPH0315242U JP7690789U JP7690789U JPH0315242U JP H0315242 U JPH0315242 U JP H0315242U JP 7690789 U JP7690789 U JP 7690789U JP 7690789 U JP7690789 U JP 7690789U JP H0315242 U JPH0315242 U JP H0315242U
- Authority
- JP
- Japan
- Prior art keywords
- tunnel
- detection signal
- vehicle
- tunnel detection
- reception notification
- 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 7
- 238000010586 diagram Methods 0.000 description 2
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7690789U JPH0315242U (zh) | 1989-06-28 | 1989-06-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7690789U JPH0315242U (zh) | 1989-06-28 | 1989-06-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0315242U true JPH0315242U (zh) | 1991-02-15 |
Family
ID=31618799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7690789U Pending JPH0315242U (zh) | 1989-06-28 | 1989-06-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0315242U (zh) |
-
1989
- 1989-06-28 JP JP7690789U patent/JPH0315242U/ja active Pending