JPH0436456U - - Google Patents
Info
- Publication number
- JPH0436456U JPH0436456U JP7717590U JP7717590U JPH0436456U JP H0436456 U JPH0436456 U JP H0436456U JP 7717590 U JP7717590 U JP 7717590U JP 7717590 U JP7717590 U JP 7717590U JP H0436456 U JPH0436456 U JP H0436456U
- Authority
- JP
- Japan
- Prior art keywords
- paper sheet
- electrode
- electrostatic detection
- electrostatic
- circuit
- 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 10
- 238000010586 diagram Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
第１図は本考案に係る紙葉状体の静電検出装置
の一実施例の要部構成を示す断面図、第２図は同
実施例装置を構成する薄型タイプの第２電極の形
成例を示す説明図、第３図は前記薄型第２電極を
用いた静電検出部の断面図、第４図は本実施例装
置のブロツク図、第５図は同装置を構成する静電
センサ回路のブロツク図、第６図は同実施例にお
ける第１の電極と第２の電極に基づく検出電圧と
紙葉状体の厚みとの関係を示すグラフ、第７図は
静電センサ回路から出力される電圧レベルの模式
説明図、第８図〜第１０図は紙の吸湿・吸水状態
の検出実験例を示すグラフ、第１１図は吸湿・吸
水状態の同検出実験例の実験方法を示す説明図、
第１２図は本考案を構成する信号処理回路の他の
実施例を示すブロツク図、第１３図は従来の紙葉
状体の厚み検出装置を示す模式説明図である。
１……紙葉状体、１ａ，１ｂ……側端面、２…
…通過経路、３……ポテンシヨメータ、４……回
転軸、５……アーム、６……ローラ、７……ばね
、８……絶縁板、９……凹部、１０……基準電極
、１１ａ，１１ｂ……第２の電極、１２……リー
ド、１４……第１の電極、１５……第１の静電セ
ンサ回路、１６……第２の静電センサ回路、１７
……演算補正回路、１８……信号処理回路、１９
……絶縁基板、２０……発振回路、２１……同調
回路、２２……検波回路、２３……増幅回路、２
４……電極、２５……周波数差分型静電センサ回
路（周波数差動型静電センサ回路）。
FIG. 1 is a cross-sectional view showing the main part of an embodiment of the electrostatic detection device for paper sheets according to the present invention, and FIG. 2 shows an example of the formation of the thin type second electrode constituting the device of the embodiment. 3 is a sectional view of an electrostatic detection section using the thin second electrode, FIG. 4 is a block diagram of the device of this embodiment, and FIG. 5 is a diagram of the electrostatic sensor circuit constituting the device. The block diagram, FIG. 6 is a graph showing the relationship between the detection voltage based on the first electrode and the second electrode and the thickness of the paper sheet in the same embodiment, and FIG. 7 is the voltage output from the electrostatic sensor circuit. A schematic explanatory diagram of the level, Figures 8 to 10 are graphs showing an experimental example of detecting the moisture absorption/water absorption state of paper, and Figure 11 is an explanatory diagram showing the experimental method of the same detection experiment example of the moisture absorption/water absorption state.
FIG. 12 is a block diagram showing another embodiment of the signal processing circuit constituting the present invention, and FIG. 13 is a schematic explanatory diagram showing a conventional sheet thickness detecting device. 1...Paper leaf-like body, 1a, 1b...Side end surface, 2...
...Passing route, 3...Potentiometer, 4...Rotating shaft, 5...Arm, 6...Roller, 7...Spring, 8...Insulating plate, 9...Recess, 10...Reference electrode, 11a , 11b... Second electrode, 12... Lead, 14... First electrode, 15... First electrostatic sensor circuit, 16... Second electrostatic sensor circuit, 17
... Arithmetic correction circuit, 18 ... Signal processing circuit, 19
... Insulating substrate, 20 ... Oscillation circuit, 21 ... Tuning circuit, 22 ... Detection circuit, 23 ... Amplification circuit, 2
4... Electrode, 25... Frequency differential electrostatic sensor circuit (frequency differential electrostatic sensor circuit).
Claims (1)
よつて検出される静電検出信号を信号処理回路に
より信号処理して紙葉状体を検出する紙葉状体の
静電検出装置において、前記静電検出部は、通過
経路を通る紙葉状体の表裏一方側に配置される第
１の電極と、紙葉状体の表裏他方側に第１の電極
に対向して配置される基準電極と、紙葉状体の側
端面に対向して配置される第２の電極とを備え、
前記第２の電極の表面は前記紙葉状体の表面と同
一か又はそれよりも低い位置に設けたことを特徴
とする紙葉状体の静電検出装置。 In the electrostatic detection device for a paper sheet, which detects the paper sheet by processing an electrostatic detection signal detected by an electrostatic detection section provided in a path through which the paper sheet passes through a signal processing circuit, The electric detection unit includes a first electrode arranged on one side of the front and back of the paper sheet passing through the passage path, a reference electrode arranged opposite to the first electrode on the other side of the front and back of the paper sheet, and a paper sheet. a second electrode disposed opposite to the side end surface of the leaf-like body;
An electrostatic detection device for a paper sheet, characterized in that the surface of the second electrode is provided at a position that is the same as or lower than the surface of the paper sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7717590U JP2501772Y2 (en) | 1990-07-20 | 1990-07-20 | Electrostatic detection device for paper sheets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7717590U JP2501772Y2 (en) | 1990-07-20 | 1990-07-20 | Electrostatic detection device for paper sheets |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0436456U true JPH0436456U (en) | 1992-03-26 |
| JP2501772Y2 JP2501772Y2 (en) | 1996-06-19 |
Family
ID=31619316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7717590U Expired - Fee Related JP2501772Y2 (en) | 1990-07-20 | 1990-07-20 | Electrostatic detection device for paper sheets |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2501772Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02139545A (en) * | 1988-08-03 | 1990-05-29 | Fuji Photo Film Co Ltd | Color photographic sensitive material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6319021B2 (en) | 2014-09-26 | 2018-05-09 | 株式会社豊田自動織機 | Electric supercharger control device |
-
1990
- 1990-07-20 JP JP7717590U patent/JP2501772Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2501772Y2 (en) | 1996-06-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |