JPH01100269U - - Google Patents
Info
- Publication number
- JPH01100269U JPH01100269U JP1987194333U JP19433387U JPH01100269U JP H01100269 U JPH01100269 U JP H01100269U JP 1987194333 U JP1987194333 U JP 1987194333U JP 19433387 U JP19433387 U JP 19433387U JP H01100269 U JPH01100269 U JP H01100269U
- Authority
- JP
- Japan
- Prior art keywords
- light
- document
- transmitted
- light source
- optical system
- 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
- 230000003287 optical effect Effects 0.000 claims 2
- 238000009792 diffusion process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Inspection Of Paper Currency And Valuable Securities (AREA)
Description
第１図はこの考案の実施例である紙幣読取装置
の概略構造図、第２図は同紙幣読取装置において
紙幣が上下にずれた場合の読取レベルの変化を示
す図である。
１…ＬＥＤ、２…絞込レンズ、３…紙幣、７…
ラインセンサ。
FIG. 1 is a schematic structural diagram of a banknote reading device according to an embodiment of the present invention, and FIG. 2 is a diagram showing changes in the reading level when a banknote shifts vertically in the same banknote reading device. 1...LED, 2...Fitting lens, 3...Banknote, 7...
line sensor.
Claims (1)
によつて原稿を読み取る透過光型原稿読取装置の
光学系装置において、 前記光源と原稿搬送路との間に、光源の光の拡
散を抑制する絞込レンズを挿入したことを特徴と
する透過光型原稿読取装置の光学系装置。[Scope of Claim for Utility Model Registration] In an optical system device of a transmitted-light type document reading device that conveys a document between a light source and a light-receiving element and reads the document using transmitted light, between the light source and the document conveyance path. An optical system device for a transmitted light type original reading device, characterized in that a focusing lens is inserted to suppress diffusion of light from a light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987194333U JPH01100269U (en) | 1987-12-21 | 1987-12-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987194333U JPH01100269U (en) | 1987-12-21 | 1987-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01100269U true JPH01100269U (en) | 1989-07-05 |
Family
ID=31485064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987194333U Pending JPH01100269U (en) | 1987-12-21 | 1987-12-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01100269U (en) |
-
1987
- 1987-12-21 JP JP1987194333U patent/JPH01100269U/ja active Pending
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