JPS63123638U - - Google Patents
Info
- Publication number
- JPS63123638U JPS63123638U JP1407687U JP1407687U JPS63123638U JP S63123638 U JPS63123638 U JP S63123638U JP 1407687 U JP1407687 U JP 1407687U JP 1407687 U JP1407687 U JP 1407687U JP S63123638 U JPS63123638 U JP S63123638U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- alarm sound
- reflected
- obstacle
- reflected signal
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Helmets And Other Head Coverings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1407687U JPS63123638U (fr) | 1987-02-02 | 1987-02-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1407687U JPS63123638U (fr) | 1987-02-02 | 1987-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63123638U true JPS63123638U (fr) | 1988-08-11 |
Family
ID=30803731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1407687U Pending JPS63123638U (fr) | 1987-02-02 | 1987-02-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63123638U (fr) |
-
1987
- 1987-02-02 JP JP1407687U patent/JPS63123638U/ja active Pending