JPS63191758U - - Google Patents
Info
- Publication number
- JPS63191758U JPS63191758U JP8155087U JP8155087U JPS63191758U JP S63191758 U JPS63191758 U JP S63191758U JP 8155087 U JP8155087 U JP 8155087U JP 8155087 U JP8155087 U JP 8155087U JP S63191758 U JPS63191758 U JP S63191758U
- Authority
- JP
- Japan
- Prior art keywords
- reading head
- shading correction
- scans
- reads
- light reflectance
- 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 3
Description
第１図は本考案に係るシエーデイング補正装置
の一実施例を適用した画像読み取り装置の斜視図
、第２図はその画像読み取り部分の概略構成側面
図（−矢視に相当）である。
１……画像読み取り装置、２０……走査ヘツド
（読み取りヘツド）、２３……シエーデイング補
正板（光線反射率一定の部位）。
FIG. 1 is a perspective view of an image reading device to which an embodiment of the shading correction device according to the present invention is applied, and FIG. 2 is a side view (corresponding to the - arrow direction) of the schematic configuration of the image reading portion thereof. 1... Image reading device, 20... Scanning head (reading head), 23... Shading correction plate (portion with constant light reflectance).
Claims (1)
ドにより走査して読み取る画像読み取り装置に於
て、読み取りヘツドによる走査位置の上方に、主
走査方向全域に亘つて所定幅で光線反射率一定の
部位を設けて構成したこと、を特徴とするシエー
デイング補正装置。 In an image reading device that scans and reads a conveyed document using a fixed reading head, a portion with a constant light reflectance is provided in a predetermined width over the entire main scanning direction above the scanning position of the reading head. A shading correction device characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8155087U JPS63191758U (en) | 1987-05-28 | 1987-05-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8155087U JPS63191758U (en) | 1987-05-28 | 1987-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63191758U true JPS63191758U (en) | 1988-12-09 |
Family
ID=30933393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8155087U Pending JPS63191758U (en) | 1987-05-28 | 1987-05-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63191758U (en) |
-
1987
- 1987-05-28 JP JP8155087U patent/JPS63191758U/ja active Pending