DE3676979D1 - Vorlagenabtastgeraet. - Google Patents
Vorlagenabtastgeraet.Info
- Publication number
- DE3676979D1 DE3676979D1 DE8686115610T DE3676979T DE3676979D1 DE 3676979 D1 DE3676979 D1 DE 3676979D1 DE 8686115610 T DE8686115610 T DE 8686115610T DE 3676979 T DE3676979 T DE 3676979T DE 3676979 D1 DE3676979 D1 DE 3676979D1
- Authority
- DE
- Germany
- Prior art keywords
- master scanner
- scanner
- master
- 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.)
- Expired - Fee Related
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
- H04N1/40—Picture signal circuits
- H04N1/403—Discrimination between the two tones in the picture signal of a two-tone original
-
- 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
- H04N1/047—Detection, control or error compensation of scanning velocity or position
- H04N1/0473—Detection, control or error compensation of scanning velocity or position in subscanning direction, e.g. picture start or line-to-line synchronisation
-
- 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
- H04N1/1008—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 sub-scanning by translatory movement of the picture-bearing surface
-
- 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
- H04N1/1013—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 sub-scanning by translatory movement of at least a part of the main-scanning components
- H04N1/1017—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 sub-scanning by translatory movement of at least a part of the main-scanning components the main-scanning components remaining positionally invariant with respect to one another in the sub-scanning direction
-
- 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
- H04N1/19—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 multi-element arrays
- H04N1/191—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 multi-element arrays the array comprising a one-dimensional array, or a combination of one-dimensional arrays, or a substantially one-dimensional array, e.g. an array of staggered elements
- H04N1/192—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line
- H04N1/193—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line using electrically scanned linear arrays, e.g. linear CCD arrays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04701—Detection of scanning velocity or position
- H04N2201/04703—Detection of scanning velocity or position using the scanning elements as detectors, e.g. by performing a prescan
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04701—Detection of scanning velocity or position
- H04N2201/04715—Detection of scanning velocity or position by detecting marks or the like, e.g. slits
- H04N2201/0472—Detection of scanning velocity or position by detecting marks or the like, e.g. slits on or adjacent the sheet support
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04701—Detection of scanning velocity or position
- H04N2201/04732—Detecting at infrequent intervals, e.g. once or twice per line for main-scan control
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
- Image Input (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60293404A JPS62159972A (ja) | 1985-12-27 | 1985-12-27 | 文書走査装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3676979D1 true DE3676979D1 (de) | 1991-02-21 |
Family
ID=17794328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686115610T Expired - Fee Related DE3676979D1 (de) | 1985-12-27 | 1986-11-11 | Vorlagenabtastgeraet. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4749872A (de) |
EP (1) | EP0227925B1 (de) |
JP (1) | JPS62159972A (de) |
DE (1) | DE3676979D1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4857956A (en) * | 1986-10-28 | 1989-08-15 | Sharp Kabushiki Kaisha | Copier with reciprocating document table |
US4864415A (en) * | 1988-05-04 | 1989-09-05 | Xerox Corporation | Slow scan registration self alignment system for raster input scanners |
DE3921178A1 (de) * | 1988-06-29 | 1990-01-04 | Minolta Camera Kk | Laserstrahl verwendendes bilderzeugendes geraet |
US4933778A (en) * | 1988-09-19 | 1990-06-12 | Eastman Kodak Company | Calibration of platen registration edges in copiers |
US4992890A (en) * | 1989-03-17 | 1991-02-12 | Intergraph Corporation | System for plotting and scanning graphic images |
US4924262A (en) * | 1989-06-22 | 1990-05-08 | Xerox Corporation | Shutter calibration and document size detection |
US5065185A (en) * | 1989-08-21 | 1991-11-12 | Powers Edward A | Multi-function detecting device for a document reproduction machine |
US5130525A (en) * | 1990-09-28 | 1992-07-14 | Xerox Corporation | Method and apparatus for real time motion and image analysis |
US5606160A (en) * | 1993-03-25 | 1997-02-25 | Asahi Kogaku Kogyo Kabushiki Kaisha | Symbol reading device |
US5384621A (en) * | 1994-01-04 | 1995-01-24 | Xerox Corporation | Document detection apparatus |
US5900950A (en) * | 1997-08-19 | 1999-05-04 | Mustek System Inc. | Image scanner with a function of initiating scanning automatically |
US7133165B2 (en) * | 2001-08-06 | 2006-11-07 | Canon Kabushiki Kaisha | Image reading device, method of controlling the same, control program, storage medium and image forming apparatus provided with the image reading device |
TWI230544B (en) * | 2002-07-25 | 2005-04-01 | Veutron Corp | Light source control method and apparatus of image scanner |
US9317922B2 (en) * | 2003-05-16 | 2016-04-19 | Board Of Regents The University Of Texas System | Image and part recognition technology |
FR2979625B1 (fr) * | 2011-09-02 | 2013-08-30 | Thales Sa | Systeme optique de detection de l'etat d'enroulement d'un cable sur un treuil |
WO2021146832A1 (en) * | 2020-01-20 | 2021-07-29 | Hewlett-Packard Development Company, L.P. | Scanner assemblies with inclined notches |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3560086A (en) * | 1967-11-06 | 1971-02-02 | Stromberg Datagraphix Inc | Electrostatic processor |
JPS544132A (en) * | 1977-06-11 | 1979-01-12 | Mita Industrial Co Ltd | Synchronizing method and apparatus of document and copy paper in electrostatic photography copy |
JPS58124366A (ja) * | 1982-01-20 | 1983-07-23 | Ricoh Co Ltd | 画像読取光学装置 |
JPS59215175A (ja) * | 1983-05-23 | 1984-12-05 | Ricoh Co Ltd | 書画情報読取装置 |
US4538185A (en) * | 1983-09-30 | 1985-08-27 | Xerox Corporation | Platen cover for document boundary detection in raster scanners |
JPS60196063A (ja) * | 1984-03-19 | 1985-10-04 | Ricoh Co Ltd | 書画情報読取装置 |
JPS60256267A (ja) * | 1984-05-22 | 1985-12-17 | インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション | 画像読取装置 |
JPS60247369A (ja) * | 1984-05-23 | 1985-12-07 | Dainippon Screen Mfg Co Ltd | アレイセンサ解像度増加方法および装置 |
US4717965A (en) * | 1985-01-17 | 1988-01-05 | Ricoh Company, Ltd. | Portable image forming device |
-
1985
- 1985-12-27 JP JP60293404A patent/JPS62159972A/ja active Pending
-
1986
- 1986-10-14 US US06/918,743 patent/US4749872A/en not_active Expired - Fee Related
- 1986-11-11 EP EP86115610A patent/EP0227925B1/de not_active Expired - Lifetime
- 1986-11-11 DE DE8686115610T patent/DE3676979D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPS62159972A (ja) | 1987-07-15 |
EP0227925B1 (de) | 1991-01-16 |
US4749872A (en) | 1988-06-07 |
EP0227925A3 (en) | 1987-11-11 |
EP0227925A2 (de) | 1987-07-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |