JPS6438685A - Marking body for searching system - Google Patents
Marking body for searching systemInfo
- Publication number
- JPS6438685A JPS6438685A JP62193295A JP19329587A JPS6438685A JP S6438685 A JPS6438685 A JP S6438685A JP 62193295 A JP62193295 A JP 62193295A JP 19329587 A JP19329587 A JP 19329587A JP S6438685 A JPS6438685 A JP S6438685A
- Authority
- JP
- Japan
- Prior art keywords
- searching
- synthetic resin
- resin pipe
- signal responding
- marker
- 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.)
- Granted
Links
Landscapes
- Geophysics And Detection Of Objects (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
PURPOSE:To obtain a marker (marking body) excellent in searching accuracy without the possibility of positional shift, by receiving a searching signal responding means in a synthetic resin pipe formed into an almost U-shape and hermetically closing both end parts of said pipe. CONSTITUTION:A searching signal responding means 2 is received in a synthetic resin pipe 1 formed into an almost U-shape and both end parts of the synthetic resin pipe 1 are sealed by a thermal press bonding means to hermetically seal the searching signal responding means in the synthetic resin pipe 1. For example, the searching signal responding means 2 is constituted of a quartz resonance circuit wherein a coil 201, a capacitor 202 and a quartz vibrator 203 are connected in parallel. Then, the searching marker is allowed to straddle an embedded object and, since the leading ends 101, 101 of both leg parts 103, 103 can be fixed to the bed soil having the embedded object laid therein in an inserted state, the positional shift of the marker is not generated over a long period of time and the searching accuracy of the embedded object becomes high.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62193295A JPH087265B2 (en) | 1987-07-31 | 1987-07-31 | Signs for underground buried object detection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62193295A JPH087265B2 (en) | 1987-07-31 | 1987-07-31 | Signs for underground buried object detection |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6438685A true JPS6438685A (en) | 1989-02-08 |
JPH087265B2 JPH087265B2 (en) | 1996-01-29 |
Family
ID=16305538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62193295A Expired - Lifetime JPH087265B2 (en) | 1987-07-31 | 1987-07-31 | Signs for underground buried object detection |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH087265B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6517213B1 (en) | 1997-03-31 | 2003-02-11 | Idec Izumi Corporation | Indicator device and illumination device |
-
1987
- 1987-07-31 JP JP62193295A patent/JPH087265B2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6517213B1 (en) | 1997-03-31 | 2003-02-11 | Idec Izumi Corporation | Indicator device and illumination device |
Also Published As
Publication number | Publication date |
---|---|
JPH087265B2 (en) | 1996-01-29 |
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