JPH0317556U - - Google Patents
Info
- Publication number
- JPH0317556U JPH0317556U JP7701789U JP7701789U JPH0317556U JP H0317556 U JPH0317556 U JP H0317556U JP 7701789 U JP7701789 U JP 7701789U JP 7701789 U JP7701789 U JP 7701789U JP H0317556 U JPH0317556 U JP H0317556U
- Authority
- JP
- Japan
- Prior art keywords
- dielectric resonator
- ground plane
- frequency ground
- capacitance
- sensor device
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
第１図は第１の考案の一実施例を示す要部構成
図、第２図は第２の考案の一実施例を示す要部構
成図、第３図はＰＣＡ方式による静電センサ装置
の一般的なブロツク図、第４図はＰＣＡ方式によ
る静電センサ装置の動作原理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……プ
リント基板、７……高周波グランド面、８，９…
…誘電体共振器、１０……回路、１１，１２……
電極、１３……シールドケース、１４……導体部
材。
Fig. 1 is a block diagram of main parts showing an embodiment of the first invention, Fig. 2 is a block diagram of main parts showing an embodiment of the second invention, and Fig. 3 is a diagram of an electrostatic sensor device using a PCA method. A general block diagram, FIG. 4, is an explanatory diagram showing the operating principle of an electrostatic sensor device using the PCA method. DESCRIPTION OF SYMBOLS 1... Oscillation circuit section, 2... Resonance circuit, 3... Detection section, 4... Detection section, 5... Amplification circuit, 6... Printed circuit board, 7... High frequency ground plane, 8, 9...
...dielectric resonator, 10... circuit, 11, 12...
Electrode, 13... Shield case, 14... Conductor member.
Claims (1)
出体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同調点
が変化する共振回路の誘電体共振器とを有する静
電センサ装置において、回路基板の一方側の面に
は導体金属から成る高周波グランド面が形成され
、この高周波グランド面上に前記誘電体共振器が
配設されるとともに、誘電体共振器を除いた回路
部分は前記高周波グランド面を境として誘電体共
振器とは電磁界的および静電的に遮断された位置
に形成されていることを特徴とする静電センサ装
置。 (2) 誘電体共振器を用いた発振回路部と、被検
出体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同調点
が変化する共振回路の誘電体共振器とを有する静
電センサ装置において、回路基板の一方側の面に
は導体金属から成る高周波グランド面が形成され
、この高周波グランド面上に前記誘電体共振器が
配設されるとともに、誘電体共振器を除いた回路
部分は前記高周波グランド面を境として誘電体共
振器とは電磁界的および静電的に遮断された位置
に形成されており、また、前記誘電体共振器側に
は該誘電体共振器との浮遊分布容量を一定にする
シールド部材が設けられていることを特徴とする
静電センサ装置。[Scope of Claim for Utility Model Registration] (1) An oscillation circuit section using a dielectric resonator, a detection section that detects a change in capacitance with an object to be detected, and a capacitance detected by this detection section. In an electrostatic sensor device that has a dielectric resonator of a resonant circuit whose tuning point changes with minute changes, a high-frequency ground plane made of a conductive metal is formed on one side of the circuit board, and a high-frequency ground plane made of a conductive metal is formed on one side of the circuit board. The dielectric resonator is disposed, and the circuit portion other than the dielectric resonator is formed at a position electromagnetically and electrostatically isolated from the dielectric resonator with the high frequency ground plane as a boundary. An electrostatic sensor device characterized by: (2) 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 that changes due to minute changes in capacitance detected by this detection section. In an electrostatic sensor device having a dielectric resonator of a resonant circuit, a high frequency ground plane made of a conductive metal is formed on one side of the circuit board, and the dielectric resonator is arranged on this high frequency ground plane. In addition, the circuit portion other than the dielectric resonator is formed at a position electromagnetically and electrostatically isolated from the dielectric resonator with the high frequency ground plane as a boundary, and An electrostatic sensor device characterized in that a shield member is provided on the resonator side to maintain a constant floating distributed capacitance with the dielectric resonator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989077017U JP2508684Y2 (en) | 1989-06-30 | 1989-06-30 | Electrostatic sensor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989077017U JP2508684Y2 (en) | 1989-06-30 | 1989-06-30 | Electrostatic sensor device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0317556U true JPH0317556U (en) | 1991-02-21 |
| JP2508684Y2 JP2508684Y2 (en) | 1996-08-28 |
Family
ID=31619006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989077017U Expired - Lifetime JP2508684Y2 (en) | 1989-06-30 | 1989-06-30 | Electrostatic sensor device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2508684Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63209305A (en) * | 1987-02-26 | 1988-08-30 | Matsushita Electric Ind Co Ltd | Oscillator |
| JPH0164211U (en) * | 1987-10-19 | 1989-04-25 |
-
1989
- 1989-06-30 JP JP1989077017U patent/JP2508684Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63209305A (en) * | 1987-02-26 | 1988-08-30 | Matsushita Electric Ind Co Ltd | Oscillator |
| JPH0164211U (en) * | 1987-10-19 | 1989-04-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2508684Y2 (en) | 1996-08-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |