JPH0453503U - - Google Patents
Info
- Publication number
- JPH0453503U JPH0453503U JP9679190U JP9679190U JPH0453503U JP H0453503 U JPH0453503 U JP H0453503U JP 9679190 U JP9679190 U JP 9679190U JP 9679190 U JP9679190 U JP 9679190U JP H0453503 U JPH0453503 U JP H0453503U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- resonator
- wall surfaces
- opposing wall
- paper sheet
- 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
- 238000001514 detection method Methods 0.000 claims description 10
- 230000010355 oscillation Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Description
第１図は本考案に係る紙葉状体の厚み検出装置
の一実施例を示す構成図、第２図は同実施例装置
を構成する検出電極とグランド電極の一形態例の
説明図、第３図は同実施例装置を構成する静電セ
ンサ回路の回路図、第４図は同実施例における厚
み検出信号の波形説明図、第５図〜第７図は本考
案に係る紙葉状体の厚み検出装置の他の構成例の
説明図、第８図は紙葉状体の厚み検出装置の最近
の提案装置の説明図である。
１……紙葉状体、２……通過経路、３……グラ
ンド電極、４……検出電極、５……検出回路、６
……基台、７……シールドケース、８……回路基
板、１０……リード線、１４……発振回路、１５
……セラミツク共振器、１６……検波回路、１７
……増幅回路、１８……ＡＦＣ回路、１９……セ
ラミツク共振器、２０……検出電極、２１……グ
ランド電極。
FIG. 1 is a configuration diagram showing an embodiment of a paper sheet thickness detecting device according to the present invention, FIG. The figure is a circuit diagram of an electrostatic sensor circuit constituting the apparatus of the embodiment, FIG. 4 is an explanatory diagram of the waveform of the thickness detection signal in the embodiment, and FIGS. 5 to 7 show the thickness of the paper sheet according to the present invention. FIG. 8 is an explanatory diagram of another example of the configuration of the detection device. FIG. 8 is an explanatory diagram of a recently proposed device for detecting the thickness of a paper sheet. DESCRIPTION OF SYMBOLS 1... Paper sheet, 2... Passing path, 3... Ground electrode, 4... Detection electrode, 5... Detection circuit, 6
... Base, 7 ... Shield case, 8 ... Circuit board, 10 ... Lead wire, 14 ... Oscillation circuit, 15
... Ceramic resonator, 16 ... Detection circuit, 17
...Amplification circuit, 18...AFC circuit, 19...Ceramic resonator, 20...Detection electrode, 21...Ground electrode.
Claims (1)
立の共振器を備え外部静電容量の変化を受けて発
振回路との同調点を変化させその同調点の変化に
対応する検出信号を出力する同調回路とを含む静
電センサ回路と；間隙を介して対向する対向壁面
を備え、この対向壁面の間が紙葉状体の通過経路
となつている基台と；を有し、前記紙葉状体の通
過経路を挟む基台の対向壁面の一方側にはグラン
ド電極が、他方側には検出電極が互いに対向して
固定配設され、検出電極は前記同調回路の共振器
に導通接続されている紙葉状体の厚み検出装置。 It has an oscillation circuit and a resonator separate from the resonator of the oscillation circuit, and changes the tuning point with the oscillation circuit in response to changes in external capacitance, and outputs a detection signal corresponding to the change in the tuning point. an electrostatic sensor circuit including a tuning circuit; a base comprising opposing wall surfaces facing each other with a gap therebetween, and a passage between the opposing wall surfaces for the paper sheet; A ground electrode is fixedly arranged facing each other on one side of the opposing wall surfaces of the base that sandwich the passage path, and on the other side, a detection electrode is fixedly arranged facing each other, and the detection electrode is electrically connected to the resonator of the tuned circuit. Paper sheet thickness detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9679190U JPH0453503U (en) | 1990-09-14 | 1990-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9679190U JPH0453503U (en) | 1990-09-14 | 1990-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0453503U true JPH0453503U (en) | 1992-05-07 |
Family
ID=31836605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9679190U Pending JPH0453503U (en) | 1990-09-14 | 1990-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0453503U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007016831A (en) * | 2005-07-06 | 2007-01-25 | Hitachi Ltd | Linear actuator |
-
1990
- 1990-09-14 JP JP9679190U patent/JPH0453503U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007016831A (en) * | 2005-07-06 | 2007-01-25 | Hitachi Ltd | Linear actuator |
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