JPH01146638U - - Google Patents
Info
- Publication number
- JPH01146638U JPH01146638U JP1988041943U JP4194388U JPH01146638U JP H01146638 U JPH01146638 U JP H01146638U JP 1988041943 U JP1988041943 U JP 1988041943U JP 4194388 U JP4194388 U JP 4194388U JP H01146638 U JPH01146638 U JP H01146638U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- detection
- sound
- field strength
- reception abnormality
- 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 11
- 230000005856 abnormality Effects 0.000 claims description 5
- 230000005684 electric field Effects 0.000 claims description 3
- 230000005236 sound signal Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 1
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988041943U JPH01146638U (zh) | 1988-03-31 | 1988-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988041943U JPH01146638U (zh) | 1988-03-31 | 1988-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01146638U true JPH01146638U (zh) | 1989-10-09 |
Family
ID=31268369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988041943U Pending JPH01146638U (zh) | 1988-03-31 | 1988-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01146638U (zh) |
-
1988
- 1988-03-31 JP JP1988041943U patent/JPH01146638U/ja active Pending