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-Richtung

Info

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
Application number
DE69211776T
Other languages
English (en)
Other versions
DE69211776D1 (de
Inventor
Greg A Degi
Irene F Stein
David W Boyd
Steven L Webb
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE69211776D1 publication Critical patent/DE69211776D1/de
Publication of DE69211776T2 publication Critical patent/DE69211776T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/0402Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
    • H04N1/0408Different densities of dots per unit length
    • H04N1/0411Different densities of dots per unit length in the main scanning direction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/0402Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/0402Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
    • H04N1/0408Different densities of dots per unit length
    • H04N1/0414Different densities of dots per unit length in the sub scanning direction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/0402Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
    • H04N1/042Details of the method used
    • H04N1/0443Varying the scanning velocity or position
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/047Detection, control or error compensation of scanning velocity or position
    • H04N1/0473Detection, control or error compensation of scanning velocity or position in subscanning direction, e.g. picture start or line-to-line synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/10Scanning 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
    • H04N1/1013Scanning 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
    • H04N1/1017Scanning 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/19Scanning 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
    • H04N1/191Scanning 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
    • H04N1/192Simultaneously or substantially simultaneously scanning picture elements on one main scanning line
    • H04N1/193Simultaneously or substantially simultaneously scanning picture elements on one main scanning line using electrically scanned linear arrays, e.g. linear CCD arrays
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/02406Arrangements for positioning elements within a head
    • H04N2201/02439Positioning method
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04Scanning arrangements
    • H04N2201/047Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701Detection of scanning velocity or position
    • H04N2201/0471Detection of scanning velocity or position using dedicated detectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04Scanning arrangements
    • H04N2201/047Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701Detection of scanning velocity or position
    • H04N2201/04734Detecting at frequent intervals, e.g. once per line for sub-scan control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04Scanning arrangements
    • H04N2201/047Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701Detection of scanning velocity or position
    • H04N2201/04739Detection of scanning velocity or position by detecting the scanning head or scanning carriage
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04Scanning arrangements
    • H04N2201/047Detection, control or error compensation of scanning velocity or position
    • H04N2201/04753Control or error compensation of scanning position or velocity
    • H04N2201/04755Control 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04Scanning arrangements
    • H04N2201/047Detection, control or error compensation of scanning velocity or position
    • H04N2201/04753Control or error compensation of scanning position or velocity
    • H04N2201/04756Control or error compensation of scanning position or velocity by controlling the position or movement of the sheet, the sheet support or the photoconductive surface
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04Scanning arrangements
    • H04N2201/047Detection, control or error compensation of scanning velocity or position
    • H04N2201/04753Control or error compensation of scanning position or velocity
    • H04N2201/04794Varying the control or compensation during the scan, e.g. using continuous feedback or from line to line
DE69211776T 1991-05-22 1992-05-14 Einrichtung und Verfahren zur Steuerung der Positioniergenauigkeit eines Abtasters in der Y-Richtung Expired - Fee Related DE69211776T2 (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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