JPS61199970U - - Google Patents
Info
- Publication number
- JPS61199970U JPS61199970U JP8290085U JP8290085U JPS61199970U JP S61199970 U JPS61199970 U JP S61199970U JP 8290085 U JP8290085 U JP 8290085U JP 8290085 U JP8290085 U JP 8290085U JP S61199970 U JPS61199970 U JP S61199970U
- Authority
- JP
- Japan
- Prior art keywords
- line
- image
- lines
- storage means
- detection means
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Landscapes
- Facsimile Scanning Arrangements (AREA)
Description
第１図は本考案による回路部の一実施例を示す
ブロツク構成図、第２図は本考案による機構部の
一実施例を示す模式図、第３図は本考案の一実施
例によるＣＣＤ２１，２２の主走査の方向の検出
および画信号の合成の方法を説明する模式図、第
４図は本考案の一実施例によるＣＣＤ２１，２２
の主走査の方向を検出するためのテストチヤート
、第５図および第６図は従来例装置の機構部の構
成を示す模式図である。
Ａ，Ｃ……ＣＣＤの第１ビツトの原稿読取位置
、Ｂ，Ｄ……ＣＣＤの最終ビツトの原稿読取位置
、Ｅ，Ｆ……Ａ，Ｄを通る副走査線とＢ，Ｃを通
る副走査線と直行する直線との交点、Ｈ，Ｉ……
ＣＦ，ＢＥと原稿中心線との交点、Ｇ……Ｂより
ＣＦへ下ろした垂線の足、Ｌ１，Ｌ２……物像間
距離、１０〜１２……レンズ、１〜５……原稿読
取面、２０〜２２……ＣＣＤ、６……主走査方向
検出用テストチヤート、３０……原稿中心検出用
縦線、３１……主走査方向検出用横線、１０１…
…ラインメモリ、１０２……主走査方向検出回路
、１０３……画信号合成回路。
FIG. 1 is a block diagram showing an embodiment of the circuit section according to the present invention, FIG. 2 is a schematic diagram showing an embodiment of the mechanism section according to the present invention, and FIG. 3 is a CCD 21 according to an embodiment of the present invention. FIG. 4 is a schematic diagram illustrating a method of detecting the main scanning direction of CCD 22 and synthesizing image signals, and FIG.
FIGS. 5 and 6 are test charts for detecting the main scanning direction of the conventional apparatus. A, C... Original reading position of the first bit of CCD, B, D... Original reading position of the last bit of CCD, E, F... Sub-scanning line passing through A, D and sub-scanning line passing through B, C. The intersection of the line and the perpendicular straight line, H, I...
Intersection of CF, BE and document center line, G...leg of perpendicular line drawn from B to CF, L1 , L2 ...object-image distance, 10-12...lens, 1-5...manuscript reading surface, 20 to 22...CCD, 6...test chart for main scanning direction detection, 30...vertical line for document center detection, 31...horizontal line for main scanning direction detection, 101...
. . . line memory, 102 . . . main scanning direction detection circuit, 103 . . . image signal synthesis circuit.
Claims (1)
おいて、前記走査素子の位置ずれを検出する検出
手段と、複数ラインの画像信号を一時的に収納す
る記憶手段と、前記検出手段の出力する信号によ
り前記記憶手段に一時的に収納されている複数ラ
インの画像信号を再編成し１ラインの画像信号と
して複数の走査素子の不連続性を補正する補正手
段とを備えたことを特徴とする画像読取装置。 In an image reading device including a plurality of one-dimensional scanning elements, a detection means for detecting a positional shift of the scanning element, a storage means for temporarily storing image signals of a plurality of lines, and a signal output from the detection means An image reading apparatus comprising: a correction means for reorganizing a plurality of lines of image signals temporarily stored in the storage means and correcting discontinuities of a plurality of scanning elements as one line of image signal. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8290085U JPS61199970U (en) | 1985-05-31 | 1985-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8290085U JPS61199970U (en) | 1985-05-31 | 1985-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61199970U true JPS61199970U (en) | 1986-12-15 |
Family
ID=30631039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8290085U Pending JPS61199970U (en) | 1985-05-31 | 1985-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61199970U (en) |
-
1985
- 1985-05-31 JP JP8290085U patent/JPS61199970U/ja active Pending
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