JPH01147565U - - Google Patents
Info
- Publication number
- JPH01147565U JPH01147565U JP4308188U JP4308188U JPH01147565U JP H01147565 U JPH01147565 U JP H01147565U JP 4308188 U JP4308188 U JP 4308188U JP 4308188 U JP4308188 U JP 4308188U JP H01147565 U JPH01147565 U JP H01147565U
- Authority
- JP
- Japan
- Prior art keywords
- document
- optical system
- reading device
- conveying roller
- concave portion
- 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
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Facsimiles In General (AREA)
Description
第１図は本考案を適用した原稿読取装置の要部
概略図、第２図は出力チヤート図、第３図、第４
図は原稿搬送ローラの正面図、第５図、第６図は
従来の原稿読取装置の要部概略図である。
１…原稿、２…原稿有無検出センサ、３…原稿
搬送ローラ、３ａ…ローラ凹部、３ｂ…ローラ平
坦部、４…駆動モータ、６…原稿ガイド板、９…
レンズ、１０…画像読取回路。
Figure 1 is a schematic diagram of the main parts of a document reading device to which the present invention is applied, Figure 2 is an output chart, Figures 3 and 4.
The figure is a front view of a document conveying roller, and FIGS. 5 and 6 are schematic diagrams of main parts of a conventional document reading device. DESCRIPTION OF SYMBOLS 1...Original, 2...Document existence detection sensor, 3...Document transport roller, 3a...Roller recess, 3b...Roller flat part, 4...Drive motor, 6...Document guide plate, 9...
Lens, 10...image reading circuit.
Claims (1)
向に走査して光学系と光電変換センサを含む画像
読取回路で読取る装置において、前記光学系が原
稿を読取る位置で、前記原稿の背面にある原稿搬
送ローラが白色でかつ軸長方向の一部に小径にな
つた凹部が設けられていることを特徴とする原稿
読取装置。 ２ 請求項第１項の原稿読取装置における前記原
稿搬送ローラの凹部が彩色されていることを特徴
とする原稿読取装置。[Claims for Utility Model Registration] 1. A device that scans a document in a direction intersecting the direction of conveyance while conveying the document and reads the document with an image reading circuit including an optical system and a photoelectric conversion sensor, wherein the optical system is at a position where the document is read. . A document reading device, wherein the document conveying roller on the back side of the document is white and has a concave portion having a small diameter in a portion in the axial direction. 2. The document reading device according to claim 1, wherein the concave portion of the document conveying roller is colored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4308188U JPH01147565U (en) | 1988-03-31 | 1988-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4308188U JPH01147565U (en) | 1988-03-31 | 1988-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01147565U true JPH01147565U (en) | 1989-10-12 |
Family
ID=31269483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4308188U Pending JPH01147565U (en) | 1988-03-31 | 1988-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01147565U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61140440A (en) * | 1984-12-14 | 1986-06-27 | Canon Inc | Document detecting mechanism |
-
1988
- 1988-03-31 JP JP4308188U patent/JPH01147565U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61140440A (en) * | 1984-12-14 | 1986-06-27 | Canon Inc | Document detecting mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH01147565U (en) | ||
| JPH045764U (en) | ||
| JPH045763U (en) | ||
| JPS6316748U (en) | ||
| JPH0255762U (en) | ||
| JPS6152868U (en) | ||
| JPS61199967U (en) | ||
| JPS637850U (en) | ||
| JPS61176858U (en) | ||
| JPS63551U (en) | ||
| JPH01160761U (en) | ||
| JPS6165042U (en) | ||
| JPH0286263U (en) | ||
| JPH0230660U (en) | ||
| JPH0238860U (en) | ||
| JPH01143741U (en) | ||
| JPS6397953U (en) | ||
| JPS6361070U (en) | ||
| JPH01143557U (en) | ||
| JPS606372U (en) | optical image reader | |
| JPS63108257U (en) | ||
| JPH0450973U (en) | ||
| JPS61113453U (en) | ||
| JPS60193344U (en) | Paper detection device that serves both paper size detection and skew detection during paper feeding | |
| JPH0268565U (en) |