JPS6390364U - - Google Patents
Info
- Publication number
- JPS6390364U JPS6390364U JP18392786U JP18392786U JPS6390364U JP S6390364 U JPS6390364 U JP S6390364U JP 18392786 U JP18392786 U JP 18392786U JP 18392786 U JP18392786 U JP 18392786U JP S6390364 U JPS6390364 U JP S6390364U
- Authority
- JP
- Japan
- Prior art keywords
- light
- image sensor
- light source
- input device
- original
- 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
- 238000003705 background correction Methods 0.000 claims description 5
- 238000003384 imaging method Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 238000002834 transmittance Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Facsimile Scanning Arrangements (AREA)
Description
第１図はこの考案にかかる画像入力装置を示す
構成図、第２図はこの考案にかかる画像入力装置
のシエーデイング補正手段を示す斜視図、第３図
はこの考案にかかるシエーデイング補正手段の変
形例を示す斜視図、第４図は従来型の画像入力装
置を示す斜視図、第５図は光源からの光によつて
照明された原稿面上での光量分布を示すグラフ、
第６図はシエーデイング補正後の光量分布を示す
グラフである。
２…光源、１…原稿、３…結像レンズ、４…一
次元イメージセンサ、５，８…シエーデイング補
正手段。
FIG. 1 is a configuration diagram showing an image input device according to this invention, FIG. 2 is a perspective view showing a shading correction means of the image input device according to this invention, and FIG. 3 is a modification of the shading correction means according to this invention. FIG. 4 is a perspective view showing a conventional image input device; FIG. 5 is a graph showing a light amount distribution on a document surface illuminated by light from a light source;
FIG. 6 is a graph showing the light amount distribution after the shading correction. 2...Light source, 1...Original, 3...Imaging lens, 4...One-dimensional image sensor, 5, 8...Shading correction means.
Claims (1)
光させると共に、その原稿面で反射してきた光を
結像レンズを介してイメージセンサに入射させ、
前記原稿内容を光学的に読取る画像入力装置にお
いて、 前記光源からの光が前記イメージセンサに均一
な光量で入射するよう、透明基体上に所定パター
ンに配列されたパターン部を選択的に剥離可能と
する不透光性若しくは低透光性の剥離体を貼着し
た構成のシエーデイング補正手段を、その光源と
イメージセンサとの間の光路上に配設したことを
特徴とする画像入力装置。[Scope of Claim for Utility Model Registration] Slit exposure of light from a light source across the width of the original is made, and the light reflected from the surface of the original is made to enter an image sensor via an imaging lens,
In the image input device that optically reads the contents of a document, a pattern portion arranged in a predetermined pattern on the transparent substrate can be selectively peeled off so that light from the light source enters the image sensor with a uniform amount of light. What is claimed is: 1. An image input device comprising: a shading correction means having a opaque or low-light transmittance peelable body attached thereon on an optical path between the light source and the image sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18392786U JPS6390364U (en) | 1986-11-29 | 1986-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18392786U JPS6390364U (en) | 1986-11-29 | 1986-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6390364U true JPS6390364U (en) | 1988-06-11 |
Family
ID=31131115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18392786U Pending JPS6390364U (en) | 1986-11-29 | 1986-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6390364U (en) |
-
1986
- 1986-11-29 JP JP18392786U patent/JPS6390364U/ja active Pending