JPH01110554U - - Google Patents
Info
- Publication number
- JPH01110554U JPH01110554U JP540888U JP540888U JPH01110554U JP H01110554 U JPH01110554 U JP H01110554U JP 540888 U JP540888 U JP 540888U JP 540888 U JP540888 U JP 540888U JP H01110554 U JPH01110554 U JP H01110554U
- Authority
- JP
- Japan
- Prior art keywords
- glass plate
- image
- read
- reading device
- forms
- 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.)
- Granted
Links
- 239000011521 glass Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Facsimiles In General (AREA)
- Facsimile Scanning Arrangements (AREA)
Description
第１図は本考案による画像読み取り装置の一実
施例を示す概略図、第２図はガラス板と押圧ロー
ラとの間の間隙と読み取り画像度との関係を示す
図、第３図は従来の画像読み取り装置を示す概略
図である。
１……画像読み取り装置、２……押圧ローラ、
３……ガイド板、４……ガラス板、５……発光ダ
イオード、６……ロツド形レンズ、７……イメー
ジセンサ、１０……原稿、１０ａ……被読取面。
FIG. 1 is a schematic diagram showing an embodiment of the image reading device according to the present invention, FIG. 2 is a diagram showing the relationship between the gap between the glass plate and the pressing roller and the read image resolution, and FIG. 1 is a schematic diagram showing an image reading device. 1... Image reading device, 2... Pressing roller,
3... Guide plate, 4... Glass plate, 5... Light emitting diode, 6... Rod type lens, 7... Image sensor, 10... Original, 10a... Surface to be read.
Claims (1)
て光源より入射光を入射し、前記原稿の被読取面
からの反射光を前記ガラス板およびレンズを通し
てイメージセンサに結像させる画像読み取り装置
において、前記読み取り位置の直上に、所定の読
み取り解像度を確保しうる間隙を前記ガラス板と
の間で形成する押え体を設けたことを特徴とする
画像読み取り装置。 An image reading device that makes incident light from a light source enter a surface to be read of a document placed on a glass plate, and forms an image of reflected light from the surface to be read of the document on an image sensor through the glass plate and a lens. 2. An image reading device according to claim 1, further comprising a presser member that forms a gap with the glass plate directly above the reading position to ensure a predetermined reading resolution.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988005408U JPH0543561Y2 (en) | 1988-01-20 | 1988-01-20 | |
| CA000588677A CA1306798C (en) | 1988-01-20 | 1989-01-19 | Apparatus and method for reading information from an information carrier |
| US07/299,190 US4990764A (en) | 1988-01-20 | 1989-01-19 | Apparatus and method for information from an information carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988005408U JPH0543561Y2 (en) | 1988-01-20 | 1988-01-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01110554U true JPH01110554U (en) | 1989-07-26 |
| JPH0543561Y2 JPH0543561Y2 (en) | 1993-11-02 |
Family
ID=31208759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988005408U Expired - Lifetime JPH0543561Y2 (en) | 1988-01-20 | 1988-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0543561Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12063334B2 (en) | 2020-05-29 | 2024-08-13 | Canon Kabushiki Kaisha | Image reading apparatus and image forming system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5867833U (en) * | 1981-10-30 | 1983-05-09 | 株式会社日立製作所 | Guide body for manuscripts in facsimile etc. |
| JPS59180556U (en) * | 1983-05-19 | 1984-12-03 | 富士通株式会社 | Original lifting prevention mechanism |
-
1988
- 1988-01-20 JP JP1988005408U patent/JPH0543561Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5867833U (en) * | 1981-10-30 | 1983-05-09 | 株式会社日立製作所 | Guide body for manuscripts in facsimile etc. |
| JPS59180556U (en) * | 1983-05-19 | 1984-12-03 | 富士通株式会社 | Original lifting prevention mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12063334B2 (en) | 2020-05-29 | 2024-08-13 | Canon Kabushiki Kaisha | Image reading apparatus and image forming system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0543561Y2 (en) | 1993-11-02 |