JPS58157253A - Optical information reader - Google Patents
Optical information readerInfo
- Publication number
- JPS58157253A JPS58157253A JP57040587A JP4058782A JPS58157253A JP S58157253 A JPS58157253 A JP S58157253A JP 57040587 A JP57040587 A JP 57040587A JP 4058782 A JP4058782 A JP 4058782A JP S58157253 A JPS58157253 A JP S58157253A
- Authority
- JP
- Japan
- Prior art keywords
- light
- section
- light emitting
- original surface
- lens
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/03—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array
- H04N1/031—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array the photodetectors having a one-to-one and optically positive correspondence with the scanned picture elements, e.g. linear contact sensors
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Heads (AREA)
- Facsimile Scanning Arrangements (AREA)
- Image Input (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の技術分野〕
この発明は、原稿面上の情′＠を光学的に読取る装置に
関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to an apparatus for optically reading information on a document surface.
ファクタ＜ ＩＪ装筺やＯＣＲ等に用いられる光学的情
報ａ取り装置として、従来、第１因に示す如きものが知
られている。これは原稿面１に対し発光ｓ（ＬＥＤ ）
ｊからの光をレンズ３で集光して照射し、原稿面１か
らの反射光をセルフォ、クレンメ４ｔ−介して基体Ｃ上
に設けられた受′ｙｔ、部６に導き、受光部５の出力に
原摘面Ｊ上の情報に対応した画＊＊号を得るものである
。Factor < As an optical information acquisition device used for IJ mounting, OCR, etc., devices as shown in the first factor are conventionally known. This is the light emitting s (LED) for document surface 1.
The light from the light receiving part 5 is focused by the lens 3 and irradiated, and the reflected light from the document surface 1 is guided to the light receiving part 6 provided on the base C through the cell photo and the lens 4t. The image ** corresponding to the information on the original surface J is obtained as an output.
しかしながら、この構成では発光部２からの九に腺惰■
１に斜めから入射するため、レンズ４の焦点距離を大き
くする必費があること、および発光部２會固定するのに
基体６とは別の支持体が必要とであること、さらにレン
ズ系が２組必要であること等から、全体の構造が複雑化
、大型化するという欠点がめった。However, in this configuration, the light emitted from the light emitting section 2 is
1, it is necessary to increase the focal length of the lens 4, a support separate from the base 6 is required to fix the light emitting part 2, and the lens system is Since two sets are required, the overall structure becomes complicated and large, which is a disadvantage.
学的情報Ｍ、取ｐ装置會提供することでるる。We will provide scientific information and equipment.
この発明は１発光部と受光部を近飯して配電し、発光部
からの光を原稿面上に寺く経略と腺桶菌からの反射光を
受光部とに共通のレンズ系１に設けたことを替像として
いる。In this invention, a light emitting part and a light receiving part are arranged in close proximity and power is distributed, the light from the light emitting part is directed onto the document surface, and the reflected light from the glandular bacteria is provided in a lens system 1 common to the light receiving part. It is a substitute image.
この発明によれは、発’Ｘ部からの光を原稿面上に正面
から小さなスポットとして照射できるので、レンズ系の
焦慮距離が短くともよく、またレンズ系が１組でよく、
さらに発光部と受光部金回−基体上に設けることができ
るので、全体的に構造が簡単か）コンノ量りトとなシ、
使用レンズ数の減少によって低価格化も凶ることができ
る。According to this invention, since the light from the emitting X part can be irradiated onto the document surface as a small spot from the front, the focal length of the lens system may be short, and only one set of lens systems may be required.
Furthermore, since the light emitting part and the light receiving part can be provided on the base, the overall structure is simple.
A reduction in the number of lenses used can also lead to lower prices.
〔発明の実施例〕
ｆｇｚ図はこの発明の一実施例に係る九学的情−絖取シ
装置の構成を示している。凶において、原稿面１１に対
向して設けられた基体１２上に、発光素子と受光素子を
兼ねる素子（以下、発光／受光素子という）１３が設け
られ、この素子１３上に発光部１４および受光部１５が
形成されている。ここで、発光／受光素子１３は例えば
ＧａＰ 、 ＧａＡｓＰ ＊ ＧａＡＡＡｓ
ＡａＡｓ 、 ＧａＰ ： ＺｎＯ。[Embodiment of the Invention] FIG. An element 13 (hereinafter referred to as a light-emitting/light-receiving element) serving as both a light-emitting element and a light-receiving element is provided on a base 12 provided facing the document surface 11, and a light-emitting section 14 and a light-receiving element are mounted on this element 13. A portion 15 is formed. Here, the light emitting/light receiving element 13 is made of, for example, GaP, GaAsP*GaAAAs
AaAs, GaP:ZnO.
ＧａＰ ： Ｎ／ＧａＰ等の可視光に対応するエネルギ
ーギャップを有する単結晶またはこの単結晶上にエピタ
キシャル成長させた半導体にＰＮ接合を形成して、発光
領域には順・櫂イアスが、受光領域には逆・寸イアスが
印加されるようにしたものである・
そして、発光／受光素子１３と原稿面１１との間に、レ
ンズ系、例えばセルフォックレンズ１６が配置されてお
シ、発光部１４から出た光はこのレンズ１６を経由して
原稿ｖｊＪ１１上に照射され、また原稿面１１からの反
射光は中は夛このレンズ１６を経由して受光＠１５に導
かれる。こうして、受光−１５の出力に原稿面１１上の
情報に対応した画像信号を取出すことができる。GaP: A PN junction is formed in a single crystal such as N/GaP that has an energy gap corresponding to visible light, or in a semiconductor epitaxially grown on this single crystal, and the light-emitting region has a forward junction and the light-receiving region has a PN junction. A lens system, such as a SELFOC lens 16, is arranged between the light emitting/light receiving element 13 and the document surface 11, and the light emitting section 14 The emitted light passes through this lens 16 and is irradiated onto the document vjJ11, and the reflected light from the document surface 11 passes through this lens 16 inside and is guided to the light receiver @15. In this way, an image signal corresponding to the information on the document surface 11 can be extracted from the output of the light receiving unit 15.
このように、この発明に保る元字的悄＠読取シ鉄直は、
非常に構造が簡単かつコン・量クトである。特に、上記
実施例では発光部と受光部が共通の結晶上に形成される
ため、製造間、コスト面で有利でめるはかりでなく、こ
れら発光部と受光部とを極めて近接させることが可能な
ので、共通のレンズ系を用いることが容易である。In this way, the original character of this invention is
The structure is extremely simple and compact. In particular, in the above embodiment, since the light emitting part and the light receiving part are formed on a common crystal, it is possible to place the light emitting part and the light receiving part very close to each other, which is advantageous in terms of manufacturing costs and does not require weighing. Therefore, it is easy to use a common lens system.
第１図は従来の光学的読取り装置の構成を示す図、第２
図はこの発明の一実施例に係る光学的情報ｖｆ、取り装
置の概略輌戚を不す図である。
１１・・・原稿向、１２°°・基体、１３・・・発光／
受光素子、１３・・・発光部、１５・・・受光部、１６
・・・セルフォックレンズ。
出願人代理人 弁理士 鈴 江 武 該第１図
第２１！ＱFigure 1 shows the configuration of a conventional optical reading device, Figure 2 shows the configuration of a conventional optical reading device.
The figure is a schematic diagram of an optical information VF/obtaining device according to an embodiment of the present invention. 11...Original direction, 12°°・Base, 13...Light emission/
Light receiving element, 13... Light emitting section, 15... Light receiving section, 16
...Selfoc lens. Applicant's agent Patent attorney Takeshi Suzue Figure 1, Figure 21! Q
Claims (3)
面からの反射光を受光部に導いてＩｊＡ桶囲上の情報全
光学的に読取る装置において１発元部と受光部を近接し
て配置し、発光部からの″）ｔ’を原＠面上に導く経路
と原稿面からの反射光全受光部に導く経路とに共通のレ
ンズ系ｔａけたことを特徴とする光学的情報読取り装置
。(1) The light from the light emitting part is emitted R onto the original S surface, and the reflected light from the document surface is guided to the light receiving part, and the information on the IjA box is read in an all-optical manner. The parts are arranged close to each other, and a common lens system is provided for a path for guiding ")t' from the light emitting part onto the original @ surface and a path for guiding all reflected light from the original surface to the light receiving part. Optical information reader.
れることを特徴とする特許請求の範囲第１項記載の光学
的情報読取り装置。(2) The optical information reading device according to claim 1, wherein the light emitting section and the receiving section are formed on a common crystal.
に対応するエネルギーギヤ、グｔ−有する単結晶または
この単殖晶上にエピタキシャル成長させた半導体である
ことｔ％像とする％ｆｆ１ｎｌ求の範囲第２１Ａ記載の
光学的情報読取り装置。(3) The light-emitting part and the light-receiving part are formed by a crystal μ, an energy gear corresponding to visible light, and a single crystal having t-, or a semiconductor epitaxially grown on this single crystal. The optical information reading device according to item 21A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57040587A JPS58157253A (en) | 1982-03-15 | 1982-03-15 | Optical information reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57040587A JPS58157253A (en) | 1982-03-15 | 1982-03-15 | Optical information reader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58157253A true JPS58157253A (en) | 1983-09-19 |
Family
ID=12584623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57040587A Pending JPS58157253A (en) | 1982-03-15 | 1982-03-15 | Optical information reader |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58157253A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60218616A (en) * | 1984-04-16 | 1985-11-01 | Canon Inc | Contact image sensor |
| JPS61212960A (en) * | 1985-03-19 | 1986-09-20 | Toshiba Corp | Picture reader |
| JPS6243960A (en) * | 1985-08-21 | 1987-02-25 | Mitsubishi Electric Corp | Contact type image sensor unit |
| JPS63185159A (en) * | 1987-01-27 | 1988-07-30 | Mitsubishi Electric Corp | Image sensor |
| JPS63124259U (en) * | 1987-02-06 | 1988-08-12 |
-
1982
- 1982-03-15 JP JP57040587A patent/JPS58157253A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60218616A (en) * | 1984-04-16 | 1985-11-01 | Canon Inc | Contact image sensor |
| JPS61212960A (en) * | 1985-03-19 | 1986-09-20 | Toshiba Corp | Picture reader |
| JPS6243960A (en) * | 1985-08-21 | 1987-02-25 | Mitsubishi Electric Corp | Contact type image sensor unit |
| JPS63185159A (en) * | 1987-01-27 | 1988-07-30 | Mitsubishi Electric Corp | Image sensor |
| JPH0612920B2 (en) * | 1987-01-27 | 1994-02-16 | 三菱電機株式会社 | Image sensor |
| JPS63124259U (en) * | 1987-02-06 | 1988-08-12 |
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