JPH0227644Y2 - - Google Patents
Info
- Publication number
- JPH0227644Y2 JPH0227644Y2 JP19803285U JP19803285U JPH0227644Y2 JP H0227644 Y2 JPH0227644 Y2 JP H0227644Y2 JP 19803285 U JP19803285 U JP 19803285U JP 19803285 U JP19803285 U JP 19803285U JP H0227644 Y2 JPH0227644 Y2 JP H0227644Y2
- Authority
- JP
- Japan
- Prior art keywords
- building
- radio waves
- ground wire
- wireless
- floor
- 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.)
- Expired
Links
- 238000004891 communication Methods 0.000 claims description 11
- 239000004567 concrete Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Landscapes
- Details Of Aerials (AREA)
- Near-Field Transmission Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19803285U JPH0227644Y2 (enrdf_load_stackoverflow) | 1985-12-23 | 1985-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19803285U JPH0227644Y2 (enrdf_load_stackoverflow) | 1985-12-23 | 1985-12-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62105642U JPS62105642U (enrdf_load_stackoverflow) | 1987-07-06 |
| JPH0227644Y2 true JPH0227644Y2 (enrdf_load_stackoverflow) | 1990-07-25 |
Family
ID=31158345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19803285U Expired JPH0227644Y2 (enrdf_load_stackoverflow) | 1985-12-23 | 1985-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0227644Y2 (enrdf_load_stackoverflow) |
-
1985
- 1985-12-23 JP JP19803285U patent/JPH0227644Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62105642U (enrdf_load_stackoverflow) | 1987-07-06 |
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