ZA200206182B - Document reading apparatus having a waveguide formed in a substrate. - Google Patents
Document reading apparatus having a waveguide formed in a substrate. Download PDFInfo
- Publication number
- ZA200206182B ZA200206182B ZA200206182A ZA200206182A ZA200206182B ZA 200206182 B ZA200206182 B ZA 200206182B ZA 200206182 A ZA200206182 A ZA 200206182A ZA 200206182 A ZA200206182 A ZA 200206182A ZA 200206182 B ZA200206182 B ZA 200206182B
- Authority
- ZA
- South Africa
- Prior art keywords
- light
- waveguide
- document
- light pipe
- reflective layer
- Prior art date
Links
- 239000000758 substrate Substances 0.000 title claims description 13
- 230000003287 optical effect Effects 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
- H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
- H04N1/02835—Using a single or a few point light sources, e.g. a laser diode in combination with a light guide, e.g. optical fibre, glass plate
-
- 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
-
- 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
- H04N1/0301—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array using a bent optical path between the scanned line and the photodetector array, e.g. a folded optical path
-
- 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/10—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces
- H04N1/107—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces with manual scanning
- H04N1/1071—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces with manual scanning using a folded light path
-
- 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/10—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces
- H04N1/107—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces with manual scanning
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Facsimile Scanning Arrangements (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Image Input (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/476,104 US6441928B1 (en) | 2000-01-03 | 2000-01-03 | Apparatus and method for reading a document using a waveguide formed in a substrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200206182B true ZA200206182B (en) | 2003-08-20 |
Family
ID=23890516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200206182A ZA200206182B (en) | 2000-01-03 | 2002-08-02 | Document reading apparatus having a waveguide formed in a substrate. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6441928B1 (de) |
| EP (1) | EP1247395A4 (de) |
| JP (1) | JP2003524956A (de) |
| CN (1) | CN1418426A (de) |
| AU (1) | AU2626101A (de) |
| WO (1) | WO2001050736A1 (de) |
| ZA (1) | ZA200206182B (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT408038B (de) * | 1998-03-17 | 2001-08-27 | Keba Rondo Gesmbh | Leseeinheit für ein dokument |
| JP4089711B2 (ja) * | 2005-07-08 | 2008-05-28 | コニカミノルタビジネステクノロジーズ株式会社 | 画像読み取り装置とそれを有する画像形成装置 |
| US7532801B2 (en) * | 2007-04-05 | 2009-05-12 | Hewlett-Packard Development Company, L.P. | Imaging device illumination system |
| CN101470301B (zh) * | 2007-12-28 | 2010-08-25 | 财团法人工业技术研究院 | 复合导光膜模块 |
| WO2009115855A1 (en) * | 2008-03-18 | 2009-09-24 | Council Of Scientific & Industrial Research | Hand-held device and step-scanning technique for reading by the blind |
| US8038335B2 (en) * | 2009-03-31 | 2011-10-18 | Raja Singh Tuli | Apparatus for providing even, focused illumination of a target surface |
| TWI469620B (zh) * | 2010-10-01 | 2015-01-11 | Avision Inc | 具有連動組件之饋紙式掃描器 |
| CN103581489B (zh) * | 2012-07-30 | 2016-05-18 | 上海中晶科技有限公司 | 扫描系统 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0607930B1 (de) * | 1993-01-19 | 2008-11-19 | Canon Kabushiki Kaisha | Längliche Beleuchtungsvorrichtung und Informationsauslesevorrichtung, die eine solche Beleuchtungsvorrichtung aufweist |
| US5969343A (en) * | 1995-08-24 | 1999-10-19 | Matsushita Electric Industrial Co., Ltd. | Linear illumination device |
| US5926286A (en) * | 1996-08-22 | 1999-07-20 | Nec Corporation | Image sensor apparatus with small convex portions |
-
2000
- 2000-01-03 US US09/476,104 patent/US6441928B1/en not_active Expired - Fee Related
-
2001
- 2001-01-03 JP JP2001550990A patent/JP2003524956A/ja active Pending
- 2001-01-03 CN CN01804262A patent/CN1418426A/zh active Pending
- 2001-01-03 AU AU26261/01A patent/AU2626101A/en not_active Abandoned
- 2001-01-03 EP EP01900844A patent/EP1247395A4/de not_active Withdrawn
- 2001-01-03 WO PCT/US2001/000170 patent/WO2001050736A1/en not_active Application Discontinuation
-
2002
- 2002-08-02 ZA ZA200206182A patent/ZA200206182B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN1418426A (zh) | 2003-05-14 |
| JP2003524956A (ja) | 2003-08-19 |
| EP1247395A1 (de) | 2002-10-09 |
| EP1247395A4 (de) | 2003-01-08 |
| US6441928B1 (en) | 2002-08-27 |
| AU2626101A (en) | 2001-07-16 |
| WO2001050736A1 (en) | 2001-07-12 |
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