JPH0450970U - - Google Patents
Info
- Publication number
- JPH0450970U JPH0450970U JP9427790U JP9427790U JPH0450970U JP H0450970 U JPH0450970 U JP H0450970U JP 9427790 U JP9427790 U JP 9427790U JP 9427790 U JP9427790 U JP 9427790U JP H0450970 U JPH0450970 U JP H0450970U
- Authority
- JP
- Japan
- Prior art keywords
- light shielding
- shielding member
- photoelectric conversion
- conversion element
- light
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000005286 illumination Methods 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 2
- 238000003384 imaging method Methods 0.000 claims 5
- 230000003287 optical effect Effects 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
- 230000000903 blocking effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Facsimile Heads (AREA)
- Facsimile Scanning Arrangements (AREA)
Description
第１図は、本考案による原稿読み取り装置の一
実施例を説明するための構成図、第２図は、第１
図の変形例を示す図、第３図は、本考案の他の実
施例を示す図、第４図は、第３図の変形例を示す
図、第５図は、本考案の更に他の実施例を示す図
、第６図は、第５図の変形例を示す図、第７図は
、本考案の更に他の実施例を示す図、第８図は、
第７図の変形例を示す図、第９図及び第１０図は
、本考案の更に他の実施例を示す図、第１１図乃
至第１３図は、従来例を説明するための図である
。
１……第１の遮光部材、２……第２の遮光部材
、３……照明光源、４……ハウジング部材、５…
…コンタクトガラス、６……センサ基板、７……
センサ（光電変換素子）、８……保護カバー、９
……センサ駆動回路基板、１０……結合部材、１
１……レンズアレイ（ＬＡ）、１２……絞り板、
１３……ルーフミラーアレイ（ＲＭＡ）、１４…
…ルーフミラーレンズアレイ（ＲＭＬＡ）。
FIG. 1 is a configuration diagram for explaining one embodiment of a document reading device according to the present invention, and FIG.
FIG. 3 is a diagram showing another embodiment of the present invention; FIG. 4 is a diagram showing a modification of FIG. 3; FIG. 5 is a diagram showing still another embodiment of the present invention. FIG. 6 is a diagram showing a modification of FIG. 5, FIG. 7 is a diagram showing still another embodiment of the present invention, and FIG. 8 is a diagram showing an embodiment of the present invention.
FIG. 7 is a diagram showing a modified example, FIGS. 9 and 10 are diagrams showing still other embodiments of the present invention, and FIGS. 11 to 13 are diagrams for explaining a conventional example. . DESCRIPTION OF SYMBOLS 1... First light blocking member, 2... Second light blocking member, 3... Illumination light source, 4... Housing member, 5...
...Contact glass, 6...Sensor board, 7...
Sensor (photoelectric conversion element), 8... Protective cover, 9
...sensor drive circuit board, 10...coupling member, 1
1...Lens array (LA), 12...Aperture plate,
13...Roof mirror array (RMA), 14...
...Roof Mirror Lens Array (RMLA).
Claims (1)
光源によつて照明された原稿面上の情報を前記結
像素子により空間伝達された光の強弱を電気信号
に変換する光電変換素子と、これらを一体化保持
するハウジング部材とで構成され、原稿面の情報
を読み取る側と光電変換素子とが前記結像素子に
対して同じ側に配置された原稿読み取り装置にお
いて、前記光電変換素子と該光電変換素子と共役
な位置関係にある原稿読み取り位置との間に配置
された迷光防止用の第１の遮光部材と、前記照明
光源からの直接光が前記光電変換素子及び前記結
像素子に入射するのを防止する第２の遮光部材と
を設けたことを特徴とする原稿読み取り装置。 ２ 前記第１の遮光部材と前記ハウジング部材と
が一体化されていることを特徴とする請求項１記
載の原稿読み取り装置。 ３ 前記第２の遮光部材と前記ハウジング部材と
が一体化されていることを特徴とする請求項１記
載の原稿読み取り装置。 ４ 前記第１の遮光部材及び前記第２の遮光部材
が前記ハウジング部材と一体化されていることを
特徴とする請求項１記載の原稿読み取り装置。 ５ 再帰反射型結像素子と、照明光源と、該照明
光源によつて照明された原稿面上の情報を前記結
像素子により空間伝達された光の強弱を電気信号
に変換する光電変換素子と、これらを一体化保持
するハウジング部材とで構成され、原稿面の情報
を読み取る側と光電変換素子とが前記結像素子に
対して同じ側に配置された原稿読み取り装置にお
いて、前記原稿面の情報を読み取るためのコンタ
クトガラスと前記光電変換素子の基板とを一体化
した保持板と、該保持板に互いに方向性を異にす
る複数の溝部を設け、該溝部に迷光防止用の遮光
部材を設けたことを特徴とする原稿読み取り装置
。 ６ 前記複数の溝に設けられる遮光部材は、一方
が前記結像素子の光軸方向に対し凸状に延びた迷
光防止用の遮光部材であり、他方が前記保持板中
の拡散光防止用の遮光部材であることを特徴とす
る請求項５記載の原稿読み取り装置。[Claims for Utility Model Registration] 1. A retroreflective imaging element, an illumination light source, and information on the surface of a document illuminated by the illumination light source by electrically determining the strength and weakness of the light spatially transmitted by the imaging element. A document reader that is composed of a photoelectric conversion element that converts into a signal and a housing member that holds these together, and in which the side that reads information on the document surface and the photoelectric conversion element are placed on the same side with respect to the image forming element. In the apparatus, a first light shielding member for preventing stray light is disposed between the photoelectric conversion element and a document reading position that is in a conjugate positional relationship with the photoelectric conversion element, and a first light shielding member for preventing stray light is arranged between the photoelectric conversion element and a document reading position that is in a conjugate positional relationship with the photoelectric conversion element; A document reading device comprising a conversion element and a second light shielding member for preventing light from entering the image forming element. 2. The document reading device according to claim 1, wherein the first light shielding member and the housing member are integrated. 3. The document reading device according to claim 1, wherein the second light shielding member and the housing member are integrated. 4. The document reading device according to claim 1, wherein the first light shielding member and the second light shielding member are integrated with the housing member. 5. A retroreflective imaging element, an illumination light source, and a photoelectric conversion element that converts information on the document surface illuminated by the illumination light source into electrical signals based on the intensity of the light spatially transmitted by the imaging element. , and a housing member that integrally holds these, and in which a side for reading information on the document surface and a photoelectric conversion element are arranged on the same side with respect to the image forming element, the information on the document surface is a holding plate that integrates a contact glass for reading and a substrate of the photoelectric conversion element, a plurality of grooves having mutually different directions on the holding plate, and a light shielding member for preventing stray light is provided in the grooves. A document reading device characterized by: 6. Of the light shielding members provided in the plurality of grooves, one is a light shielding member for preventing stray light extending convexly in the optical axis direction of the imaging element, and the other is a light shielding member for preventing diffused light in the holding plate. 6. The document reading device according to claim 5, wherein the document reading device is a light shielding member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9427790U JP2539478Y2 (en) | 1990-09-07 | 1990-09-07 | Document reading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9427790U JP2539478Y2 (en) | 1990-09-07 | 1990-09-07 | Document reading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0450970U true JPH0450970U (en) | 1992-04-28 |
| JP2539478Y2 JP2539478Y2 (en) | 1997-06-25 |
Family
ID=31832104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9427790U Expired - Fee Related JP2539478Y2 (en) | 1990-09-07 | 1990-09-07 | Document reading device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2539478Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007180961A (en) * | 2005-12-28 | 2007-07-12 | Sharp Corp | Image reading apparatus and image forming apparatus using the same |
-
1990
- 1990-09-07 JP JP9427790U patent/JP2539478Y2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007180961A (en) * | 2005-12-28 | 2007-07-12 | Sharp Corp | Image reading apparatus and image forming apparatus using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2539478Y2 (en) | 1997-06-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |