JPS61121067U - - Google Patents
Info
- Publication number
- JPS61121067U JPS61121067U JP286285U JP286285U JPS61121067U JP S61121067 U JPS61121067 U JP S61121067U JP 286285 U JP286285 U JP 286285U JP 286285 U JP286285 U JP 286285U JP S61121067 U JPS61121067 U JP S61121067U
- Authority
- JP
- Japan
- Prior art keywords
- line
- mirror
- document
- optical system
- lamp
- 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 description 5
- 238000005286 illumination Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
Landscapes
- Image Input (AREA)
- Facsimile Scanning Arrangements (AREA)
Description
第１図は一実施例の概略を示す説明用断面図、
第２図は従来装置において発生する縞状の照明ム
ラを示す説明図、第３図は本考案に係る照明機構
による照明状態を示す説明図である。
１……原稿台、２……ランプ、３……ミラー、
４……光学系、５……光電変換器、３１……開口
、３３……塗膜、３４，３５……帯状領域、６…
…照明機構。
FIG. 1 is an explanatory sectional view showing the outline of one embodiment;
FIG. 2 is an explanatory diagram showing striped illumination unevenness that occurs in a conventional device, and FIG. 3 is an explanatory diagram showing an illumination state by the illumination mechanism according to the present invention. 1...Original table, 2...Lamp, 3...Mirror,
4...Optical system, 5...Photoelectric converter, 31...Aperture, 33...Coating film, 34, 35...Band-shaped region, 6...
...Lighting mechanism.
Claims (1)
めて画像読取の対象である原稿をライン状に照明
するためのミラーよりなる照明機構と、原稿の光
像を伝達する光学系と、この光学系により伝達さ
れる光学的情報を電気信号に変換するライン状の
光電変換器とを具えてなり、 前記ミラーの反射面の一部がフロスト面である
ことを特徴とする光学式画像読取装置。[Claims for Utility Model Registration] An illumination mechanism consisting of a line-shaped lamp and a mirror for collecting light from the lamp and illuminating a document, which is an object of image reading, in a line, and transmitting a light image of the document. It comprises an optical system and a line-shaped photoelectric converter that converts optical information transmitted by the optical system into an electrical signal, and a part of the reflective surface of the mirror is a frosted surface. Optical image reading device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP286285U JPS61121067U (en) | 1985-01-16 | 1985-01-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP286285U JPS61121067U (en) | 1985-01-16 | 1985-01-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61121067U true JPS61121067U (en) | 1986-07-30 |
Family
ID=30476936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP286285U Pending JPS61121067U (en) | 1985-01-16 | 1985-01-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61121067U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04165475A (en) * | 1990-08-31 | 1992-06-11 | Sankyo Seiki Mfg Co Ltd | Lighting optical system |
-
1985
- 1985-01-16 JP JP286285U patent/JPS61121067U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04165475A (en) * | 1990-08-31 | 1992-06-11 | Sankyo Seiki Mfg Co Ltd | Lighting optical system |
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