JPH0469259U - - Google Patents
Info
- Publication number
- JPH0469259U JPH0469259U JP11145990U JP11145990U JPH0469259U JP H0469259 U JPH0469259 U JP H0469259U JP 11145990 U JP11145990 U JP 11145990U JP 11145990 U JP11145990 U JP 11145990U JP H0469259 U JPH0469259 U JP H0469259U
- Authority
- JP
- Japan
- Prior art keywords
- detection unit
- noise
- antenna
- high frequency
- determination section
- 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 6
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Emergency Alarm Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11145990U JPH0469259U (sh) | 1990-10-24 | 1990-10-24 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11145990U JPH0469259U (sh) | 1990-10-24 | 1990-10-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0469259U true JPH0469259U (sh) | 1992-06-18 |
Family
ID=31858914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11145990U Pending JPH0469259U (sh) | 1990-10-24 | 1990-10-24 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0469259U (sh) |
-
1990
- 1990-10-24 JP JP11145990U patent/JPH0469259U/ja active Pending