JPH024355U - - Google Patents
Info
- Publication number
- JPH024355U JPH024355U JP8250488U JP8250488U JPH024355U JP H024355 U JPH024355 U JP H024355U JP 8250488 U JP8250488 U JP 8250488U JP 8250488 U JP8250488 U JP 8250488U JP H024355 U JPH024355 U JP H024355U
- Authority
- JP
- Japan
- Prior art keywords
- document
- detecting means
- brightness
- reading device
- image reading
- 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
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Holders For Sensitive Materials And Originals (AREA)
- Facsimiles In General (AREA)
- Facsimile Scanning Arrangements (AREA)
Description
第１図は本考案装置の原理図、第２図は本考案
装置の一実施例の構造を示す図、第３図は本考案
装置の電子回路のブロツク図、第４図は頭出し処
理のフローチヤート、第５図は従来装置の構造を
示す図である。
１……原稿検出手段、２……原稿、４……原稿
検出手段、５……判別手段、６……引込み手段、
１２……原稿入力スイツチ、１３，１４……引込
みローラ、１６……ガラス板、１０，２０，２１
，２５……ケース、２２，２３……排出ローラ、
２７……原稿検出部、２８……原稿検出孔、３０
……光源、３１……ミラー、３２……集光レンズ
、３３……読取センサ、３６……メモリ装置、３
７……ＣＰＵ、５０〜５３……ステツプ。
Fig. 1 is a diagram showing the principle of the device of the present invention, Fig. 2 is a diagram showing the structure of an embodiment of the device of the present invention, Fig. 3 is a block diagram of the electronic circuit of the device of the present invention, and Fig. 4 is a diagram of the cueing process. The flowchart, FIG. 5, is a diagram showing the structure of a conventional device. 1... Original detecting means, 2... Original, 4... Original detecting means, 5... Discriminating means, 6... Retracting means,
12... Original input switch, 13, 14... Retraction roller, 16... Glass plate, 10, 20, 21
, 25... Case, 22, 23... Discharge roller,
27...Document detection section, 28...Document detection hole, 30
...Light source, 31...Mirror, 32...Condensing lens, 33...Reading sensor, 36...Memory device, 3
7...CPU, 50-53...step.
Claims (1)
つて画像データを得る画像読取装置において、 原稿読取位置で、かつ引込まれた原稿で光を遮
られる位置に設けられた該原稿と異なる輝度の原
稿検出手段と、 該原稿検出手段に対応する位置の画像データが
該原稿検出手段の輝度から変化したかどうかを判
別する判別手段と、 該判別手段で画像データが原稿検出手段の輝度
から変化したことを判別するまで該原稿の引込み
移動を行なう引込み手段とを有することを特徴と
する画像読取装置。[Scope of Claim for Utility Model Registration] In an image reading device that pulls in and moves a document and optically reads the document to obtain image data, an image reading device is provided at a document reading position and at a position where light is blocked by the drawn document. a document detecting means having a brightness different from that of the document; a determining means for determining whether image data at a position corresponding to the document detecting means has changed from the brightness of the document detecting means; 1. An image reading device comprising a retracting means for retracting and moving the document until it is determined from the brightness of the detecting means that there has been a change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8250488U JPH024355U (en) | 1988-06-22 | 1988-06-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8250488U JPH024355U (en) | 1988-06-22 | 1988-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH024355U true JPH024355U (en) | 1990-01-11 |
Family
ID=31307257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8250488U Pending JPH024355U (en) | 1988-06-22 | 1988-06-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH024355U (en) |
-
1988
- 1988-06-22 JP JP8250488U patent/JPH024355U/ja active Pending
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