JPH0174659U - - Google Patents
Info
- Publication number
- JPH0174659U JPH0174659U JP1987170589U JP17058987U JPH0174659U JP H0174659 U JPH0174659 U JP H0174659U JP 1987170589 U JP1987170589 U JP 1987170589U JP 17058987 U JP17058987 U JP 17058987U JP H0174659 U JPH0174659 U JP H0174659U
- Authority
- JP
- Japan
- Prior art keywords
- light
- light emitting
- image reading
- fiber
- reading head
- 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
- 239000000835 fiber Substances 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案の一実施例に係る画像読取り装
置の外観斜視図、第２図はこの装置に用いられる
読取りヘツドの分解斜視図、第３図は作動状態の
説明図、第４図は本考案の他の実施例に係る画像
読取りヘツドの作動状態の説明図、第５図は従来
の画像読取りヘツドの電気制御ブロツク図、第６
図は従来の色判別機能付き画像読取りヘツドの要
部構成図、第７図は、本考案の画像読取りヘツド
の電気制御ブロツク図である。
図中、２はプラテン、３ａは画像読取りヘツド
、４はモータ、１１はヘツド基体、ＴＹｉはイエ
ロＹの発光フアイバ、ＴＲｉはレツドＲの発光フ
アイバ、ＲＹｉはイエロＹの受光フアイバ、ＲＲ
ｉはレツドＲの受光フアイバ、ＬＹはイエロＹ光
の発光素子、ＬＲはレツドＲ光の発光素子、ＲＹ
はイエロＹ光の受光素子、ＰＲはレツドＲ光の受
光素子、Ｙは原稿である。
Fig. 1 is an external perspective view of an image reading device according to an embodiment of the present invention, Fig. 2 is an exploded perspective view of a reading head used in this device, Fig. 3 is an explanatory diagram of the operating state, and Fig. 4 is An explanatory diagram of the operating state of an image reading head according to another embodiment of the present invention, FIG. 5 is an electrical control block diagram of a conventional image reading head, and FIG.
The figure is a block diagram of the main parts of a conventional image reading head with a color discrimination function, and FIG. 7 is an electrical control block diagram of the image reading head of the present invention. In the figure, 2 is a platen, 3a is an image reading head, 4 is a motor, 11 is a head base, TYi is a yellow Y light emitting fiber, TRi is a red R light emitting fiber, RYi is a yellow Y light receiving fiber, RR
i is the red R light receiving fiber, LY is the yellow Y light emitting element, LR is the red R light emitting element, RY
is a light receiving element for yellow Y light, PR is a light receiving element for red R light, and Y is a document.
Claims (1)
するプラテンと、 前記プラテンに対向配置され、多本数の発光フ
アイバが前記プラテン面との対向面端で所定間隔
なるように列設されると共に、前記対向面端にお
いて各発光フアイバに対応して同本数の受光フア
イバが対に列設されてなり、かつ、複数種類の波
長光が前記各発光フアイバの前記プラテン面との
対向面端より出射されるよう各発光フアイバの基
端に異なる種類の発光素子が対応配置され、前記
受光フアイバの基端に、前記発光フアイバ、用紙
、受光フアイバを介した光を受光する受光素子が
配置されている画像読取りヘツドと、 前記画像読取りヘツドを各発光フアイバの列設
方向へ往復動自在なるように前記画像読取りヘツ
ドに連撃される駆動源と、 該駆動源により前記該読取りヘツドが往復移動
する際に画像読取りヘツドが用紙に対して所定位
置に到達した場合前記発光素子を発光させる発光
制御手段と、 前記複数種類の発光素子のうち前記用紙上の所
定の色の画像の反射光量が大きくなる発光素子を
選択して発光させる選択手段とを備えることを特
徴とする光学式画像読取り装置。[Claims for Utility Model Registration] A platen holding a paper on which an image to be read is written, and a plurality of light emitting fibers arranged opposite to the platen at a predetermined interval at an end of the surface facing the platen surface. and the same number of light receiving fibers are arranged in pairs corresponding to each light emitting fiber at the end of the opposing surface, and light of a plurality of wavelengths is connected to the platen surface of each light emitting fiber. Different types of light emitting elements are arranged correspondingly at the base end of each light emitting fiber so that the light is emitted from the opposing surface end, and a light receiving element is arranged at the base end of the light receiving fiber to receive light that has passed through the light emitting fiber, the paper, and the light receiving fiber. an image reading head in which an image reading head is disposed; a drive source that is continuously applied to the image reading head so that the image reading head can reciprocate in the direction in which the light emitting fibers are arranged; light emission control means for causing the light emitting element to emit light when the image reading head reaches a predetermined position with respect to the paper while reciprocating; and reflecting an image of a predetermined color on the paper from among the plurality of types of light emitting elements. 1. An optical image reading device comprising: a selection means for selecting a light emitting element that produces a large amount of light and causing it to emit light.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987170589U JPH0174659U (en) | 1987-11-06 | 1987-11-06 | |
| US07/260,281 US5021877A (en) | 1987-10-27 | 1988-10-20 | Optical image reading apparatus capable of reading multi-colored original |
| DE3836499A DE3836499C2 (en) | 1987-10-27 | 1988-10-26 | Optical image reading device |
| GB8825122A GB2211690B (en) | 1987-10-27 | 1988-10-27 | Optical image reading apparatus capable of reading multi colored original |
| GB9126622A GB2248746B (en) | 1987-10-27 | 1991-12-16 | Optical image reading apparatus capable of reading multi-colored original |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987170589U JPH0174659U (en) | 1987-11-06 | 1987-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0174659U true JPH0174659U (en) | 1989-05-19 |
Family
ID=31461669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987170589U Pending JPH0174659U (en) | 1987-10-27 | 1987-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0174659U (en) |
-
1987
- 1987-11-06 JP JP1987170589U patent/JPH0174659U/ja active Pending
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