JPS5771090A - Proximity warning device - Google Patents
Proximity warning deviceInfo
- Publication number
- JPS5771090A JPS5771090A JP55146783A JP14678380A JPS5771090A JP S5771090 A JPS5771090 A JP S5771090A JP 55146783 A JP55146783 A JP 55146783A JP 14678380 A JP14678380 A JP 14678380A JP S5771090 A JPS5771090 A JP S5771090A
- Authority
- JP
- Japan
- Prior art keywords
- warning device
- proximity warning
- proximity
- warning
- 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
Landscapes
- Geophysics And Detection Of Objects (AREA)
- Burglar Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55146783A JPS598872B2 (en) | 1980-10-22 | 1980-10-22 | proximity warning device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55146783A JPS598872B2 (en) | 1980-10-22 | 1980-10-22 | proximity warning device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5771090A true JPS5771090A (en) | 1982-05-01 |
JPS598872B2 JPS598872B2 (en) | 1984-02-28 |
Family
ID=15415428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55146783A Expired JPS598872B2 (en) | 1980-10-22 | 1980-10-22 | proximity warning device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS598872B2 (en) |
-
1980
- 1980-10-22 JP JP55146783A patent/JPS598872B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS598872B2 (en) | 1984-02-28 |
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