JPS644000U - - Google Patents
Info
- Publication number
- JPS644000U JPS644000U JP9625187U JP9625187U JPS644000U JP S644000 U JPS644000 U JP S644000U JP 9625187 U JP9625187 U JP 9625187U JP 9625187 U JP9625187 U JP 9625187U JP S644000 U JPS644000 U JP S644000U
- Authority
- JP
- Japan
- Prior art keywords
- detection means
- absence
- detecting
- human body
- utility
- 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 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Traffic Control Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9625187U JPS644000U (de) | 1987-06-23 | 1987-06-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9625187U JPS644000U (de) | 1987-06-23 | 1987-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS644000U true JPS644000U (de) | 1989-01-11 |
Family
ID=31321111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9625187U Pending JPS644000U (de) | 1987-06-23 | 1987-06-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS644000U (de) |
-
1987
- 1987-06-23 JP JP9625187U patent/JPS644000U/ja active Pending