IT1400521B1 - Metodo per la scansione digitale di immagini con modulazione dinamica dell'illuminazione durante la scansione - Google Patents

Metodo per la scansione digitale di immagini con modulazione dinamica dell'illuminazione durante la scansione

Info

Publication number
IT1400521B1
IT1400521B1 ITRM2010A000240A ITRM20100240A IT1400521B1 IT 1400521 B1 IT1400521 B1 IT 1400521B1 IT RM2010A000240 A ITRM2010A000240 A IT RM2010A000240A IT RM20100240 A ITRM20100240 A IT RM20100240A IT 1400521 B1 IT1400521 B1 IT 1400521B1
Authority
IT
Italy
Prior art keywords
scanning
images
illumination during
dynamic modulation
digital
Prior art date
Application number
ITRM2010A000240A
Other languages
English (en)
Inventor
Massimo Colagrande
Silvia Colagrande
Lorenzo Colagrande
Original Assignee
Colagrande
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 Colagrande filed Critical Colagrande
Priority to ITRM2010A000240A priority Critical patent/IT1400521B1/it
Priority to EP11425133A priority patent/EP2387224A1/en
Publication of ITRM20100240A1 publication Critical patent/ITRM20100240A1/it
Application granted granted Critical
Publication of IT1400521B1 publication Critical patent/IT1400521B1/it

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
    • H04N1/40056—Circuits for driving or energising particular reading heads or original illumination means
    • 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
    • H04N1/00912—Arrangements for controlling a still picture apparatus or components thereof not otherwise provided for
    • H04N1/00931—Synchronising different operations or sub-apparatus, e.g. controlling on-times taking into account different warm-up times
    • 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
    • H04N1/02845—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED 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
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/02885—Means for compensating spatially uneven illumination, e.g. an aperture arrangement
    • 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
    • H04N2201/0077—Types of the still picture apparatus
    • H04N2201/0081—Image reader
    • 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
    • H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
    • H04N2201/0416—Performing a pre-scan
    • 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
    • H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
    • H04N2201/0434—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207 specially adapted for scanning pages of a book
ITRM2010A000240A 2010-05-13 2010-05-13 Metodo per la scansione digitale di immagini con modulazione dinamica dell'illuminazione durante la scansione IT1400521B1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITRM2010A000240A IT1400521B1 (it) 2010-05-13 2010-05-13 Metodo per la scansione digitale di immagini con modulazione dinamica dell'illuminazione durante la scansione
EP11425133A EP2387224A1 (en) 2010-05-13 2011-05-12 Method for digitally scanning images with dynamic light modulation during the scan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITRM2010A000240A IT1400521B1 (it) 2010-05-13 2010-05-13 Metodo per la scansione digitale di immagini con modulazione dinamica dell'illuminazione durante la scansione

Publications (2)

Publication Number Publication Date
ITRM20100240A1 ITRM20100240A1 (it) 2011-11-14
IT1400521B1 true IT1400521B1 (it) 2013-06-11

Family

ID=42799688

Family Applications (1)

Application Number Title Priority Date Filing Date
ITRM2010A000240A IT1400521B1 (it) 2010-05-13 2010-05-13 Metodo per la scansione digitale di immagini con modulazione dinamica dell'illuminazione durante la scansione

Country Status (2)

Country Link
EP (1) EP2387224A1 (it)
IT (1) IT1400521B1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016063231A1 (en) * 2014-10-22 2016-04-28 Silvia Colagrande Linear image scanner and scanning method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3235078B2 (ja) * 1993-02-24 2001-12-04 株式会社ニコン 走査露光方法、露光制御装置、走査型露光装置、及びデバイス製造方法
DE19528244A1 (de) * 1995-08-01 1997-02-06 Josef Kirmeier Kopiervorrichtung
WO2006011450A1 (ja) * 2004-07-29 2006-02-02 Canon Components, Inc. 画像読取装置及び画像読取方法
JP2007194817A (ja) * 2006-01-18 2007-08-02 Brother Ind Ltd 画像読取装置，光量制御回路および光量制御方法
KR101334206B1 (ko) * 2007-06-27 2013-11-29 삼성전자주식회사 화상독취장치 및 그 방법
JP4568773B2 (ja) * 2008-05-22 2010-10-27 シャープ株式会社 原稿読取装置及び画像形成装置

Also Published As

Publication number Publication date
EP2387224A1 (en) 2011-11-16
ITRM20100240A1 (it) 2011-11-14

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