JPH01146672U - - Google Patents
Info
- Publication number
- JPH01146672U JPH01146672U JP4189988U JP4189988U JPH01146672U JP H01146672 U JPH01146672 U JP H01146672U JP 4189988 U JP4189988 U JP 4189988U JP 4189988 U JP4189988 U JP 4189988U JP H01146672 U JPH01146672 U JP H01146672U
- Authority
- JP
- Japan
- Prior art keywords
- original
- substrate
- imaging lens
- light
- image
- 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
- 238000003384 imaging method Methods 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Facsimile Heads (AREA)
- Facsimile Scanning Arrangements (AREA)
Description
第１図はこの考案に係る画像読取装置の一実施
例を示す断面説明図、第２図は第１図中方向か
ら見た矢視図、第３図は実施例で用いられる光源
ユニツトの詳細を示す断面説明図、第４図はこの
考案に係る画像読取装置の変形例を示す断面説明
図、第５図は従来における画像読取装置の一例を
示す断面説明図である。
符号の説明、Ａ…照射面、１…ハウジング、３
…原稿、４…プラテン、５…光源ユニツト、５ａ
…基板、５ｂ…ＬＥＤチツプ（発光素子）、５ｃ
…集光用カバー（集光手段）、６…集光用光伝送
体（結像レンズ）、７…イメージセンサ。
FIG. 1 is a cross-sectional explanatory diagram showing one embodiment of the image reading device according to this invention, FIG. 2 is a view taken from the direction of the arrow in FIG. 1, and FIG. 3 is a detailed view of the light source unit used in the embodiment. FIG. 4 is a cross-sectional explanatory view showing a modification of the image reading device according to the invention, and FIG. 5 is a cross-sectional explanatory view showing an example of a conventional image reading device. Explanation of symbols, A...Irradiation surface, 1...Housing, 3
...Original, 4...Platen, 5...Light source unit, 5a
...Substrate, 5b...LED chip (light emitting element), 5c
...Condensing cover (light condensing means), 6... Condensing light transmission body (imaging lens), 7... Image sensor.
Claims (1)
と共に発光素子５ｂからの光が集光手段５ｃを介
してスリツト状の照射面Ａに照射される光源ユニ
ツト５と、原稿３面からの反射光を所定の結像部
位に結像させる結像レンズ６と、この結像レンズ
６の結像部位に配置されて原稿３光像を電気信号
に変換するイメージセンサ７とをハウジング１内
に格納し、読取るべき原稿３に対向したハウジン
グの端面部を透過性のプラテン４で構成すると共
に、このプラテン４の表面部位を上記照射面Ａと
して設定するようにした画像読取装置であつて、 上記光源ユニツト５の基板５ａの板面が結像レ
ンズ６の光軸方向ｎと略平行になるように前記基
板５ａを配設したことを特徴とする画像読取装置
。[Claims for Utility Model Registration] A light source unit 5 in which a large number of light emitting elements 5b are arranged on a substrate 5a, and light from the light emitting elements 5b is irradiated onto a slit-shaped irradiation surface A via a condensing means 5c. , an imaging lens 6 that forms an image of the reflected light from the surface of the original 3 on a predetermined imaging area, and an image sensor 7 that is arranged at the imaging area of the imaging lens 6 and converts the optical image of the original 3 into an electrical signal. is housed in a housing 1, and the end face of the housing facing the original 3 to be read is constituted by a transparent platen 4, and the surface area of this platen 4 is set as the irradiation surface A. An image reading device characterized in that the substrate 5a of the light source unit 5 is disposed such that the plate surface of the substrate 5a is substantially parallel to the optical axis direction n of the imaging lens 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4189988U JPH01146672U (en) | 1988-03-31 | 1988-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4189988U JPH01146672U (en) | 1988-03-31 | 1988-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01146672U true JPH01146672U (en) | 1989-10-09 |
Family
ID=31268325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4189988U Pending JPH01146672U (en) | 1988-03-31 | 1988-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01146672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003084210A1 (en) * | 2002-03-29 | 2003-10-09 | Mitsubishi Denki Kabushiki Kaisha | Image reader |
-
1988
- 1988-03-31 JP JP4189988U patent/JPH01146672U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003084210A1 (en) * | 2002-03-29 | 2003-10-09 | Mitsubishi Denki Kabushiki Kaisha | Image reader |
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