JPS63168594U - - Google Patents
Info
- Publication number
- JPS63168594U JPS63168594U JP5740187U JP5740187U JPS63168594U JP S63168594 U JPS63168594 U JP S63168594U JP 5740187 U JP5740187 U JP 5740187U JP 5740187 U JP5740187 U JP 5740187U JP S63168594 U JPS63168594 U JP S63168594U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- receiver
- load circuit
- distance
- transmitter
- 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 2
- 238000013459 approach Methods 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Emergency Alarm Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5740187U JPS63168594U (el) | 1987-04-17 | 1987-04-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5740187U JPS63168594U (el) | 1987-04-17 | 1987-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63168594U true JPS63168594U (el) | 1988-11-02 |
Family
ID=30887069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5740187U Pending JPS63168594U (el) | 1987-04-17 | 1987-04-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63168594U (el) |
-
1987
- 1987-04-17 JP JP5740187U patent/JPS63168594U/ja active Pending