JPS6322268B2 - - Google Patents
Info
- Publication number
- JPS6322268B2 JPS6322268B2 JP56052529A JP5252981A JPS6322268B2 JP S6322268 B2 JPS6322268 B2 JP S6322268B2 JP 56052529 A JP56052529 A JP 56052529A JP 5252981 A JP5252981 A JP 5252981A JP S6322268 B2 JPS6322268 B2 JP S6322268B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- voltage
- antennas
- phase difference
- conductors
- 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
- 239000004020 conductor Substances 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 10
- 230000001939 inductive effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Electromagnetism (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Control Of Linear Motors (AREA)
- Geophysics And Detection Of Objects (AREA)
- Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56052529A JPS57166569A (en) | 1981-04-08 | 1981-04-08 | Detection system for position of moving body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56052529A JPS57166569A (en) | 1981-04-08 | 1981-04-08 | Detection system for position of moving body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57166569A JPS57166569A (en) | 1982-10-14 |
| JPS6322268B2 true JPS6322268B2 (US07943777-20110517-C00090.png) | 1988-05-11 |
Family
ID=12917273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56052529A Granted JPS57166569A (en) | 1981-04-08 | 1981-04-08 | Detection system for position of moving body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57166569A (US07943777-20110517-C00090.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0288870U (US07943777-20110517-C00090.png) * | 1988-12-28 | 1990-07-13 |
-
1981
- 1981-04-08 JP JP56052529A patent/JPS57166569A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0288870U (US07943777-20110517-C00090.png) * | 1988-12-28 | 1990-07-13 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57166569A (en) | 1982-10-14 |
