JPH0516542Y2 - - Google Patents
Info
- Publication number
- JPH0516542Y2 JPH0516542Y2 JP1987037422U JP3742287U JPH0516542Y2 JP H0516542 Y2 JPH0516542 Y2 JP H0516542Y2 JP 1987037422 U JP1987037422 U JP 1987037422U JP 3742287 U JP3742287 U JP 3742287U JP H0516542 Y2 JPH0516542 Y2 JP H0516542Y2
- Authority
- JP
- Japan
- Prior art keywords
- transmitter
- ground
- underground
- receiver
- response signal
- 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 - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims description 8
- 230000010355 oscillation Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
- Radar Systems Or Details Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987037422U JPH0516542Y2 (fr) | 1987-03-13 | 1987-03-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987037422U JPH0516542Y2 (fr) | 1987-03-13 | 1987-03-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63145192U JPS63145192U (fr) | 1988-09-26 |
| JPH0516542Y2 true JPH0516542Y2 (fr) | 1993-04-30 |
Family
ID=30848734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987037422U Expired - Lifetime JPH0516542Y2 (fr) | 1987-03-13 | 1987-03-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0516542Y2 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH085731A (ja) * | 1993-10-04 | 1996-01-12 | Texas Instr Deutschland Gmbh | Ｒｆ−ｉｄトランスポンダの位置の決定 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0436464Y2 (fr) * | 1987-02-23 | 1992-08-27 |
-
1987
- 1987-03-13 JP JP1987037422U patent/JPH0516542Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH085731A (ja) * | 1993-10-04 | 1996-01-12 | Texas Instr Deutschland Gmbh | Ｒｆ−ｉｄトランスポンダの位置の決定 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63145192U (fr) | 1988-09-26 |
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