JPS615059U - paper sheet reader - Google Patents
paper sheet readerInfo
- Publication number
- JPS615059U JPS615059U JP1984088286U JP8828684U JPS615059U JP S615059 U JPS615059 U JP S615059U JP 1984088286 U JP1984088286 U JP 1984088286U JP 8828684 U JP8828684 U JP 8828684U JP S615059 U JPS615059 U JP S615059U
- Authority
- JP
- Japan
- Prior art keywords
- width
- reading device
- reflective
- light
- sheet reading
- 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
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Image Input (AREA)
- Facsimile Scanning Arrangements (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【図面の簡単な説明】
第１図はこの考案の一実施例で用いられる反射鏡を示す
上面図である。
第２図および第３図は従来の紙葉類読取装置における撮
像素子の読取信号とそのスレツショルド電圧を示す波形
図である。
第４図は従来．の紙葉類読取装置で用いられるスレツシ
ョルド電圧発生回路を示すブロック図である。
第５図はこの考案の一実施例における光学系の配置関係
を示す図である。
第６図は第１図に示すような反射鏡３２を用いた場合め
撮像素子の読取信号と無反射領域を形成していない反射
鏡を用いた場合の撮像素子の読取信号とを示す波形図で
ある。
第７図はこの考案の一実施例で用いられるスレツショル
ド電圧発生回路を示すブロックである。
図において、１は光源、２は印刷物、４は撮像素子、３
１および３２は反射鏡、３３はレンズを示す。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a top view showing a reflecting mirror used in an embodiment of this invention. FIGS. 2 and 3 are waveform diagrams showing a read signal of an image sensor and its threshold voltage in a conventional paper sheet reading device. Figure 4 shows the conventional model. FIG. 2 is a block diagram showing a threshold voltage generation circuit used in the paper sheet reading device of FIG. FIG. 5 is a diagram showing the arrangement of optical systems in an embodiment of this invention. FIG. 6 is a waveform diagram showing the read signal of the image sensor when using the reflecting mirror 32 as shown in FIG. It is. FIG. 7 is a block diagram showing a threshold voltage generating circuit used in an embodiment of this invention. In the figure, 1 is a light source, 2 is a printed matter, 4 is an image sensor, 3
1 and 32 are reflecting mirrors, and 33 is a lens.
Claims (1)
射するたあ−の反射』と、 前記反射鏡によって反射された光を結像させるためのレ
ンズ系と、 前記レンズ系によって結像された像を電気信号に変換す
るための撮像素子とを備える砺葉類読取装置において、 前記反射鏡の反射面はその両端部の幅が中央部の幅より
も広くなるように形成されていることを特徴とする、紙
葉類読取装置。 、（２）前記反射鏡は、反射面の一部が無反射部材で覆
われている、実用新案登録請求の範囲第１項記載の紙葉
類読取装置。 （３）前記反射鏡は、その両端部の幅が中央部の幅より
も広くなるようにその形状が形成されている、実用新案
登録請求の範囲第１項記域の紙葉類読取装置。[Claims for Utility Model Registration] (1) A light source for irradiating light onto paper sheets to be read, and a reflector for reflecting transmitted light or reflected light from the paper sheets in a predetermined direction.'' and a lens system for forming an image of the light reflected by the reflecting mirror; and an image sensor for converting the image formed by the lens system into an electrical signal, 1. A sheet reading device, characterized in that the reflective surface of the reflective mirror is formed so that the width at both ends thereof is wider than the width at the center. (2) The sheet reading device according to claim 1, wherein a part of the reflective surface of the reflective mirror is covered with a non-reflective member. (3) The sheet reading device according to claim 1, wherein the reflecting mirror is shaped such that the width at both ends thereof is wider than the width at the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984088286U JPS615059U (en) | 1984-06-13 | 1984-06-13 | paper sheet reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984088286U JPS615059U (en) | 1984-06-13 | 1984-06-13 | paper sheet reader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS615059U true JPS615059U (en) | 1986-01-13 |
Family
ID=30641278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984088286U Pending JPS615059U (en) | 1984-06-13 | 1984-06-13 | paper sheet reader |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS615059U (en) |
-
1984
- 1984-06-13 JP JP1984088286U patent/JPS615059U/en active Pending
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