JPS6176366U - - Google Patents
Info
- Publication number
- JPS6176366U JPS6176366U JP10169384U JP10169384U JPS6176366U JP S6176366 U JPS6176366 U JP S6176366U JP 10169384 U JP10169384 U JP 10169384U JP 10169384 U JP10169384 U JP 10169384U JP S6176366 U JPS6176366 U JP S6176366U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- measurement
- capacitance
- measurement electrode
- point
- 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
- 238000005259 measurement Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Description
第１図は、この考案の走査式多点静電容量測定
器の一実施例の回路図、第２図はガード回路の原
理を説明するための回路図、第３図は走査型スイ
ツチ回路の一実施例の回路図、第４図ａのよびｂ
は測定電極部の電気力線の分布状態を示す概略図
である。
６…走査型スイツチ回路、ＣＭ…静電容量測定
回路、Ｇ…ガード端子、Ｐ１，…，Ｐｎ…静電容
量測定電極、Ｅ…接地電極、Ｓ１…第１走査器、
Ｓ２…第２走査器、Ｌ，…，Ｌｎ…被覆心線。
Figure 1 is a circuit diagram of one embodiment of the scanning multi-point capacitance measuring device of this invention, Figure 2 is a circuit diagram for explaining the principle of the guard circuit, and Figure 3 is a circuit diagram of the scanning type switch circuit. Circuit diagram of one embodiment, Figure 4 a and b
FIG. 2 is a schematic diagram showing the distribution state of electric lines of force in the measurement electrode section. 6...Scanning switch circuit, CM...Capacitance measuring circuit, G...Guard terminal, P1 ,...,Pn...Capacitance measuring electrode, E...Grounding electrode, S1 ...First scanner,
S2 ...Second scanner, L,...,Ln...Coated core wire.
Claims (1)
極を含む複数個の測定電極系統と、それらの測定
電極系統を遂次静電容量測定回路に接続するとと
もに、各時点においてこのように測定回路に接続
される系統に対してそれ以外の各測定電極系統に
ガード回路を形成させる走査型スイツチ回路手段
と、で構成された走査式多点静電容量測定器。 A capacitance measurement circuit, a plurality of measurement electrode systems each including a capacitance measurement electrode, and these measurement electrode systems are sequentially connected to the capacitance measurement circuit, and the measurement circuit is connected at each point in time. A scanning multi-point capacitance measuring device comprising scanning switch circuit means for forming a guard circuit in each measurement electrode system other than the connected system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10169384U JPH051825Y2 (en) | 1984-07-04 | 1984-07-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10169384U JPH051825Y2 (en) | 1984-07-04 | 1984-07-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6176366U true JPS6176366U (en) | 1986-05-22 |
| JPH051825Y2 JPH051825Y2 (en) | 1993-01-18 |
Family
ID=30661111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10169384U Expired - Lifetime JPH051825Y2 (en) | 1984-07-04 | 1984-07-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH051825Y2 (en) |
-
1984
- 1984-07-04 JP JP10169384U patent/JPH051825Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH051825Y2 (en) | 1993-01-18 |