JPH0255368U - - Google Patents
Info
- Publication number
- JPH0255368U JPH0255368U JP13355988U JP13355988U JPH0255368U JP H0255368 U JPH0255368 U JP H0255368U JP 13355988 U JP13355988 U JP 13355988U JP 13355988 U JP13355988 U JP 13355988U JP H0255368 U JPH0255368 U JP H0255368U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- excitation signal
- coin
- excitation
- generating
- 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
- 230000010355 oscillation Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 230000005284 excitation Effects 0.000 claims 14
- 238000010586 diagram Methods 0.000 description 6
- 230000004907 flux Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Testing Of Coins (AREA)
Description
第１図はこの考案の硬貨識別装置の作用を説明
するためのブロツク図、第２図は磁気センサの構
造を示す図、第３図Ａ〜Ｃは第１図の波形例を示
す図、第４図〜第６図はこの考案の作用を説明す
るための図、第７図はこの考案の一実施例を示す
ブロツク構成図、第８図は磁束密度減衰の様子を
示す図である。
１，２……発振手段、３……直流信号手段、４
……信号重畳手段、５……磁気センサ、６……信
号成分分離手段、７……ピーク値検出手段、８…
…比較手段、９……記憶手段、１０……加算回路
、１１，１２……発振回路、２０……ハイパスフ
イルタ、２２，２５……平均値回路、２３，２６
……ローパスフイルタ、３０……ＣＰＵ、３１…
…Ａ／Ｄ変換器、３２……ＲＯＭ、３３……ＲＡ
Ｍ。
FIG. 1 is a block diagram for explaining the operation of the coin identification device of this invention, FIG. 2 is a diagram showing the structure of a magnetic sensor, FIGS. 3A to 3C are diagrams showing waveform examples of FIG. 4 to 6 are diagrams for explaining the operation of this invention, FIG. 7 is a block diagram showing an embodiment of this invention, and FIG. 8 is a diagram showing the state of magnetic flux density attenuation. 1, 2...Oscillation means, 3...DC signal means, 4
... Signal superimposition means, 5 ... Magnetic sensor, 6 ... Signal component separation means, 7 ... Peak value detection means, 8 ...
... Comparison means, 9 ... Storage means, 10 ... Addition circuit, 11, 12 ... Oscillation circuit, 20 ... High pass filter, 22, 25 ... Average value circuit, 23, 26
...Low pass filter, 30...CPU, 31...
...A/D converter, 32...ROM, 33...RA
M.
Claims (1)
周波数の第１の励磁信号を発生する第１の発振手
段と、前記硬貨の直径を検出するための前記第１
の励磁信号よりも高い周波数の第２の励磁信号を
発生する第２の発振手段と、前記第１の励磁信号
及び前記第２の励磁信号を重畳して第３の励磁信
号とする信号重畳手段と、前記第３の励磁信号が
供給される１次コイルが巻回された１次部材及び
２次コイルが巻回された２次部材を結合して成り
、硬貨が移動する硬貨通路部が前記１次部材及び
２次部材の結合部を貫通した構造の磁気センサと
、前記２次コイルの出力信号を前記第１の励磁信
号の成分、前記第２の励磁信号の成分及び前記第
１の励磁信号よりも低い周波数の信号成分にそれ
ぞれ分離する信号分離手段と、前記磁気センサを
前記硬貨が通過した時に、前記信号分離手段によ
り分離された信号からピーク値を検出するピーク
検出手段と、硬貨の種類毎に予め設定された硬貨
検出基準ピークデータを記憶する記憶手段と、前
記ピーク検出手段で検出されたピーク値を前記記
憶手段の硬貨検出基準ピークデータと比較して前
記硬貨の真偽、種類を識別する比較手段とを具備
したことを特徴とする硬貨識別装置。 ２ 直流成分の信号を発生する直流信号発生手段
を具備し、前記直流信号発生手段より発生された
直流信号を前記信号重畳手段において前記第１の
励磁信号及び前記第２の励磁信号に重畳して前記
第３の励磁信号とする請求項１に記載の硬貨識別
装置。[Claims for Utility Model Registration] 1. A first oscillation means for generating a first excitation signal of a frequency low enough to affect the material and shape of the coin, and the first oscillation means for detecting the diameter of the coin.
a second oscillation means for generating a second excitation signal having a higher frequency than the excitation signal; and a signal superimposition means for superimposing the first excitation signal and the second excitation signal to produce a third excitation signal. The coin passage portion through which coins move is formed by combining a primary member around which a primary coil to which the third excitation signal is supplied is wound and a secondary member around which a secondary coil is wound. A magnetic sensor having a structure that penetrates a joint between a primary member and a secondary member, and an output signal of the secondary coil as a component of the first excitation signal, a component of the second excitation signal, and a component of the first excitation signal. signal separating means for separating each signal into signal components having a lower frequency than the signal; peak detecting means for detecting a peak value from the signal separated by the signal separating means when the coin passes the magnetic sensor; a storage means for storing coin detection reference peak data set in advance for each type; and a storage means for comparing the peak value detected by the peak detection means with the coin detection reference peak data of the storage means to determine the authenticity and type of the coin. A coin identification device comprising a comparison means for identifying a coin. 2. A DC signal generating means for generating a DC component signal is provided, and the DC signal generated by the DC signal generating means is superimposed on the first excitation signal and the second excitation signal in the signal superimposing means. The coin identification device according to claim 1, wherein the third excitation signal is the third excitation signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13355988U JPH0255368U (en) | 1988-10-13 | 1988-10-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13355988U JPH0255368U (en) | 1988-10-13 | 1988-10-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0255368U true JPH0255368U (en) | 1990-04-20 |
Family
ID=31391533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13355988U Pending JPH0255368U (en) | 1988-10-13 | 1988-10-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0255368U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6345691A (en) * | 1986-08-12 | 1988-02-26 | グローリー工業株式会社 | Coin discriminator |
-
1988
- 1988-10-13 JP JP13355988U patent/JPH0255368U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6345691A (en) * | 1986-08-12 | 1988-02-26 | グローリー工業株式会社 | Coin discriminator |
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