JPH0323354U - - Google Patents
Info
- Publication number
- JPH0323354U JPH0323354U JP8298389U JP8298389U JPH0323354U JP H0323354 U JPH0323354 U JP H0323354U JP 8298389 U JP8298389 U JP 8298389U JP 8298389 U JP8298389 U JP 8298389U JP H0323354 U JPH0323354 U JP H0323354U
- Authority
- JP
- Japan
- Prior art keywords
- sensor device
- dielectric resonator
- electrostatic sensor
- circuit
- detection section
- 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
- 239000004020 conductor Substances 0.000 claims description 5
- 230000010355 oscillation Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Description
第１図は本考案に係る静電センサ装置の一実施
例を示す構造上の要部構成図、第２図は同実施例
の回路図、第３図は同実施例におけるチユーニン
グ調整ねじの他の嵌め込み構成例を示す説明図、
第４図は本考案者等の試作した静電センサ装置の
回路図、第５図はＲＣＡ方式の静電センサ装置の
一般的な構成を示すブロツク図、第６図は同ＲＣ
Ａ方式の静電センサ装置による微小静電容量の検
出動作の説明図、第７図は共振回路の共振周波数
に対する発振回路部の発振周波数のチユーニング
例を示す説明図である。
１……発振回路部、２……共振回路、３……検
出部、４……検波部、５……増幅回路、６，７…
…誘電体共振器、８……高インピーダンス変換回
路、９……コンデンサ、１０……ＡＦＣ回路、１
１……トリマーコンデンサ、１２……回路基板、
１３……高周波グランド面、１４……回路部分、
１５，１６……電極、１７……導体金属枠、１８
……ねじ孔、１９……カツプリングコンデンサ、
２０……チユーニング調整ねじ、２１……弾性片
、２２……結合コンデンサ、２３……インダクタ
ンス素子、２４……導体板。
Fig. 1 is a structural diagram showing an embodiment of an electrostatic sensor device according to the present invention, Fig. 2 is a circuit diagram of the embodiment, and Fig. 3 is a tuning adjustment screw and other parts in the embodiment. An explanatory diagram showing an example of an inset configuration,
Fig. 4 is a circuit diagram of an electrostatic sensor device prototyped by the present inventors, Fig. 5 is a block diagram showing the general configuration of an RCA type electrostatic sensor device, and Fig. 6 is a circuit diagram of the RCA type electrostatic sensor device.
FIG. 7 is an explanatory diagram of the operation of detecting minute capacitance by the A-type electrostatic sensor device. FIG. 7 is an explanatory diagram showing an example of tuning the oscillation frequency of the oscillation circuit unit with respect to the resonance frequency of the resonant circuit. DESCRIPTION OF SYMBOLS 1... Oscillation circuit section, 2... Resonance circuit, 3... Detection section, 4... Detection section, 5... Amplification circuit, 6, 7...
...Dielectric resonator, 8...High impedance conversion circuit, 9...Capacitor, 10...AFC circuit, 1
1...trimmer capacitor, 12...circuit board,
13...High frequency ground plane, 14...Circuit part,
15, 16...electrode, 17...conductor metal frame, 18
...Screw hole, 19...Coupling capacitor,
20... Tuning adjustment screw, 21... Elastic piece, 22... Coupling capacitor, 23... Inductance element, 24... Conductor plate.
Claims (1)
との静電容量変化を検出する検出部と、この検出
部で検出される静電容量の微小変化で共振周波数
の同調点が変化する共振回路とを有する静電セン
サ装置において、前記発振回路部の誘電体共振器
の配設近傍領域にはグランドと等電位面に構成す
る導体板が設けられ、この導体板には導体のチユ
ーニング調整ねじが前記誘電体共振器の電極に対
して遠近方向に進退が自在に設けられていること
を特徴とする静電センサ装置。 An oscillation circuit section using a dielectric resonator, a detection section that detects changes in capacitance with the object to be detected, and a tuning point of the resonant frequency that changes due to minute changes in capacitance detected by this detection section. In an electrostatic sensor device having a resonant circuit, a conductor plate is provided in an area near the dielectric resonator of the oscillation circuit portion, and is configured to be on an equipotential plane with the ground, and the conductor plate has a conductor tuning adjustment function. An electrostatic sensor device characterized in that a screw is provided so as to be freely movable toward and away from the electrode of the dielectric resonator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8298389U JPH0323354U (en) | 1989-07-14 | 1989-07-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8298389U JPH0323354U (en) | 1989-07-14 | 1989-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0323354U true JPH0323354U (en) | 1991-03-11 |
Family
ID=31630275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8298389U Pending JPH0323354U (en) | 1989-07-14 | 1989-07-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0323354U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008200027A (en) * | 2007-01-22 | 2008-09-04 | Shinichi Fukada | Greening apparatus for outdoors and greening system for outdoors |
-
1989
- 1989-07-14 JP JP8298389U patent/JPH0323354U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008200027A (en) * | 2007-01-22 | 2008-09-04 | Shinichi Fukada | Greening apparatus for outdoors and greening system for outdoors |
| JP4629713B2 (en) * | 2007-01-22 | 2011-02-09 | 晋一 深田 | Outdoor greening device and outdoor greening system |
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