JPS62132487U - - Google Patents
Info
- Publication number
- JPS62132487U JPS62132487U JP1944786U JP1944786U JPS62132487U JP S62132487 U JPS62132487 U JP S62132487U JP 1944786 U JP1944786 U JP 1944786U JP 1944786 U JP1944786 U JP 1944786U JP S62132487 U JPS62132487 U JP S62132487U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- circuit
- inductance
- capacitance
- measured
- 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
- 239000000463 material Substances 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
Description
第１図は本願考案の回路の一例を示す図、第２
図は本回路が利用される下地材探知判別器の平面
図（ただし上面カバーをはずした状態）、第３図
は本回路が利用される下地材探知判別器の中央断
面図、第４図は本回路に適するセンサを示す図、
第５図は通常の回路を示す図である。
３１５……センサコイル、３１７，３１８……
センサ電極、３１４……切替スイツチ、３２９…
…可変抵抗。
FIG. 1 is a diagram showing an example of the circuit of the present invention, and FIG.
The figure is a plan view of the base material detection and discriminator in which this circuit is used (with the top cover removed), Figure 3 is a central sectional view of the base material detection and discriminator in which this circuit is utilized, and Figure 4 is A diagram showing a sensor suitable for this circuit,
FIG. 5 is a diagram showing a normal circuit. 315...Sensor coil, 317, 318...
Sensor electrode, 314...Switch switch, 329...
...variable resistance.
Claims (1)
面状電極で形成されるコンデンサの容量もしくは
前記コイルのインダクタンスを測定する単一の回
路とを有し、前記切替スイツチの切替によりコン
デンサの容量もしくはコイルのインダクタンスの
いずれかが選択されて測定されることを特徴とす
る下地材探知判別用回路。 It has a planar electrode, a coil, a changeover switch, and a single circuit for measuring the capacitance of the capacitor formed by the planar electrode or the inductance of the coil, and the capacitance or the inductance of the capacitor is measured by switching the changeover switch. A circuit for detecting and determining a base material, characterized in that one of the inductances of a coil is selected and measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1944786U JPS62132487U (en) | 1986-02-13 | 1986-02-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1944786U JPS62132487U (en) | 1986-02-13 | 1986-02-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62132487U true JPS62132487U (en) | 1987-08-21 |
Family
ID=30814053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1944786U Pending JPS62132487U (en) | 1986-02-13 | 1986-02-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62132487U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS462869A (en) * | 1970-03-12 | 1971-10-22 | Siemens Ag | |
| JPS57111486A (en) * | 1980-12-29 | 1982-07-10 | Sugiyama Denki Seisakusho:Kk | Object detecting sensor |
-
1986
- 1986-02-13 JP JP1944786U patent/JPS62132487U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS462869A (en) * | 1970-03-12 | 1971-10-22 | Siemens Ag | |
| JPS57111486A (en) * | 1980-12-29 | 1982-07-10 | Sugiyama Denki Seisakusho:Kk | Object detecting sensor |
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