DE69211776T2 - Einrichtung und Verfahren zur Steuerung der Positioniergenauigkeit eines Abtasters in der Y-Richtung - Google Patents
Einrichtung und Verfahren zur Steuerung der Positioniergenauigkeit eines Abtasters in der Y-RichtungInfo
- Publication number
- DE69211776T2 DE69211776T2 DE69211776T DE69211776T DE69211776T2 DE 69211776 T2 DE69211776 T2 DE 69211776T2 DE 69211776 T DE69211776 T DE 69211776T DE 69211776 T DE69211776 T DE 69211776T DE 69211776 T2 DE69211776 T2 DE 69211776T2
- Authority
- DE
- Germany
- Prior art keywords
- scanner
- controlling
- positioning accuracy
- accuracy
- positioning
- 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
- H04N1/0408—Different densities of dots per unit length
- H04N1/0411—Different densities of dots per unit length in the main 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
- H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
-
- 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
- H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
- H04N1/0408—Different densities of dots per unit length
- H04N1/0414—Different densities of dots per unit length 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
- H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
- H04N1/042—Details of the method used
- H04N1/0443—Varying the scanning velocity or position
-
- 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
- H04N1/1013—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
- H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
- H04N2201/02406—Arrangements for positioning elements within a head
- H04N2201/02439—Positioning method
-
- 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
- H04N2201/0471—Detection of scanning velocity or position using dedicated detectors
-
- 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
- H04N2201/04734—Detecting at frequent intervals, e.g. once per line for sub-scan control
-
- 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
- H04N2201/04739—Detection of scanning velocity or position by detecting the scanning head or scanning carriage
-
- 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
- H04N2201/04753—Control or error compensation of scanning position or velocity
- H04N2201/04755—Control or error compensation of scanning position or velocity by controlling the position or movement of a scanning element or carriage, e.g. of a polygonal mirror, of a drive motor
-
- 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
- H04N2201/04753—Control or error compensation of scanning position or velocity
- H04N2201/04756—Control or error compensation of scanning position or velocity by controlling the position or movement of the sheet, the sheet support or the photoconductive surface
-
- 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
- H04N2201/04753—Control or error compensation of scanning position or velocity
- H04N2201/04794—Varying the control or compensation during the scan, e.g. using continuous feedback or from line to line
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/704,576 US5341225A (en) | 1991-05-14 | 1991-05-22 | Image scanning system and method with improved repositioning |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69211776D1 DE69211776D1 (de) | 1996-08-01 |
DE69211776T2 true DE69211776T2 (de) | 1996-10-31 |
Family
ID=24830083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69211776T Expired - Fee Related DE69211776T2 (de) | 1991-05-22 | 1992-05-14 | Einrichtung und Verfahren zur Steuerung der Positioniergenauigkeit eines Abtasters in der Y-Richtung |
Country Status (4)
Country | Link |
---|---|
US (1) | US5341225A (de) |
EP (1) | EP0515088B1 (de) |
JP (1) | JP3437586B2 (de) |
DE (1) | DE69211776T2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3490237A1 (de) | 2017-11-23 | 2019-05-29 | Viramed Biotech AG | Vorrichtung und verfahren zur parallelen auswertung mehrerer testflächen |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5710643A (en) * | 1995-06-29 | 1998-01-20 | Agfa Divisionn, Bayer Corporation | Optical path for a scanning system |
US5691824A (en) * | 1995-06-29 | 1997-11-25 | Agfa Division, Bayer Corporation | Scanning system for scanning reflective and transmissive images |
US5532846A (en) * | 1995-06-29 | 1996-07-02 | Agfa Division, Bayer Corporation | Method and apparatus for positioning a focusing lens |
US5805208A (en) * | 1995-09-29 | 1998-09-08 | Eastman Kodak Company | Positioning system timing synchronization |
US5701366A (en) * | 1996-09-04 | 1997-12-23 | Canon Information Systems, Inc. | Halftoning with gradient-based selection of dither matrices |
EP0851658A3 (de) * | 1996-12-27 | 2000-05-10 | Hewlett-Packard Company | Von der angeforderten Abtastauflösung und von angeforderten Datentyp abhängiger Bildabtaster mit variabler Geschwindigkeit und variablem Signal-Rausch-Verhältnis |
US6169611B1 (en) | 1997-12-24 | 2001-01-02 | Agfa Corporation | Mounting system for a removable media holder in a scanning apparatus |
US5973796A (en) * | 1998-01-13 | 1999-10-26 | Hewlett-Packard Company | Scanner carriage mirror mounting to reduce footprint |
JPH11252320A (ja) | 1998-03-05 | 1999-09-17 | Matsushita Electric Ind Co Ltd | 画像読み取り装置 |
US6216952B1 (en) * | 1998-09-09 | 2001-04-17 | Dbtel Incorporated | Structure of a scanner |
US6336701B1 (en) | 1999-12-22 | 2002-01-08 | Hewlett-Packard Company | Ink-jet print pass microstepping |
US6608301B2 (en) | 2001-07-31 | 2003-08-19 | Umax Data Systems, Inc. | Single step multi-section exposure scanning method |
JP3743401B2 (ja) * | 2002-06-28 | 2006-02-08 | ブラザー工業株式会社 | 画像読取装置 |
JP2004252408A (ja) * | 2003-01-31 | 2004-09-09 | Canon Inc | 画像読取装置 |
JP2004354982A (ja) * | 2003-05-07 | 2004-12-16 | Canon Inc | 画像読取装置 |
JP2008129063A (ja) * | 2006-11-16 | 2008-06-05 | Brother Ind Ltd | 画像読取装置 |
JP2011155550A (ja) * | 2010-01-28 | 2011-08-11 | Seiko Epson Corp | 光学読取装置、光学読取装置の制御方法、及び、プログラム |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5925422B2 (ja) * | 1978-08-29 | 1984-06-18 | 株式会社リコー | フアクシミリ送信機 |
US4511928A (en) * | 1980-08-29 | 1985-04-16 | Sonics Research Corporation | System and method for high quality image reproduction with grayscale image print while store capability |
US4367493A (en) * | 1981-04-02 | 1983-01-04 | Xerox Corporation | Raster scanner apparatus and method |
US4591727A (en) * | 1983-11-14 | 1986-05-27 | International Business Machines Corporation | Solid state scanner for a variable speed transport |
US4575769A (en) * | 1984-04-20 | 1986-03-11 | Burroughs Corporation | Variable resolution scanning in line scan optical imaging systems |
EP0182398B1 (de) * | 1984-10-23 | 1990-06-27 | Agfa-Gevaert N.V. | Apparat und Verfahren zum Abtasten von Dokumenten |
US4992888A (en) * | 1985-10-18 | 1991-02-12 | Canon Kabushiki Kaisha | Image reading apparatus using a motor and controlling driving pulses supplied to the motor |
US4748514A (en) * | 1986-12-22 | 1988-05-31 | Xerox Corporation | Variable rate scanning control |
EP0363983B1 (de) * | 1988-10-14 | 1994-09-14 | Canon Kabushiki Kaisha | Bildleser |
US5060283A (en) * | 1989-04-20 | 1991-10-22 | Fuji Photo Film Co. , Ltd. | Method and system for reading images with a movable light intercepting plate |
-
1991
- 1991-05-22 US US07/704,576 patent/US5341225A/en not_active Expired - Lifetime
-
1992
- 1992-05-14 DE DE69211776T patent/DE69211776T2/de not_active Expired - Fee Related
- 1992-05-14 EP EP92304328A patent/EP0515088B1/de not_active Expired - Lifetime
- 1992-05-18 JP JP12465592A patent/JP3437586B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3490237A1 (de) | 2017-11-23 | 2019-05-29 | Viramed Biotech AG | Vorrichtung und verfahren zur parallelen auswertung mehrerer testflächen |
Also Published As
Publication number | Publication date |
---|---|
US5341225A (en) | 1994-08-23 |
EP0515088B1 (de) | 1996-06-26 |
EP0515088A1 (de) | 1992-11-25 |
JP3437586B2 (ja) | 2003-08-18 |
JPH05207238A (ja) | 1993-08-13 |
DE69211776D1 (de) | 1996-08-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: HEWLETT-PACKARD CO. (N.D.GES.D.STAATES DELAWARE), |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE |
|
8339 | Ceased/non-payment of the annual fee |