ES2064405T3 - Aparato lector de imagenes. - Google Patents

Aparato lector de imagenes.

Info

Publication number
ES2064405T3
ES2064405T3 ES89116791T ES89116791T ES2064405T3 ES 2064405 T3 ES2064405 T3 ES 2064405T3 ES 89116791 T ES89116791 T ES 89116791T ES 89116791 T ES89116791 T ES 89116791T ES 2064405 T3 ES2064405 T3 ES 2064405T3
Authority
ES
Spain
Prior art keywords
original
reading
unit
image
corrective
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 - Lifetime
Application number
ES89116791T
Other languages
English (en)
Inventor
Yasuyuki Shinada
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of ES2064405T3 publication Critical patent/ES2064405T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00684—Object of the detection
    • H04N1/00702—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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • 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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00785—Correcting the position of a sheet before scanning
    • H04N1/0079—Correcting the position of a sheet before scanning using guide or holder
    • 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
    • H04N1/401—Compensating positionally unequal response of the pick-up or reproducing head
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Facsimile Image Signal Circuits (AREA)

Abstract

UN APARATO PARA LA LECTURA DE IMAGENES INCLUYE UNA UNIDAD TRANSPORTADORA PARA TRANSPORTAR UNA HOJA ORIGINAL Y UN LIBRO ORIGINAL A UNA POSICION DE LECTURA, UN MIEMBRO ACTIVADOR DE ORIGINALES QUE INCLUYE UN MIEMBRO DE REFERENCIA, QUE SE MANTIENE CERRADO CUANDO LA UNIDAD TRANSPORTADORA TRANSPORTA UNA HOJA ORIGINAL Y PERMANECE ABIERTO CUANDO EL MIEMBRO TRANSPORTADOR TRANSPORTA UN LIBRO ORIGINAL, UNA UNIDAD LECTORA PARA LEER UNA IMAGEN DE UN ORIGINAL TRANSPORTADO HACIA LA POSICION DE LECTURA Y EL MIEMBRO DE REFERENCIA DEL MIEMBRO ACTIVADOR DE ORIGINALES CERRADO, Y UNA UNIDAD CORRECTORA PARA CORREGIR LA FALTA DE UNIFORMIDAD DE UNA SEÑAL DE IMAGEN OBTENIDA MEDIANTE LA LECTURA DE UNA IMAGEN ORIGINAL SOBRE LA BASE DE UNA SEÑAL DE REFERENCIA OBTENIDA MEDIANTE LA LECTURA DEL MIEMBRO DE REFERENCIA. CUANDO EL MIEMBRO ACTIVADOR DE ORIGINALES SE ABRE, LA UNIDAD CORRECTORA CORRIGE LA FALTA DE UNIFORMIDAD DE UNA SEÑAL DE IMAGEN SOBRE LA BASE DE LA SEÑAL DE REFERENCIA UTILIZADA AL LEER UNA IMAGEN ORIGINALPREVIA.
ES89116791T 1988-09-12 1989-09-11 Aparato lector de imagenes. Expired - Lifetime ES2064405T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63228034A JPH0276364A (ja) 1988-09-12 1988-09-12 画像読取装置

Publications (1)

Publication Number Publication Date
ES2064405T3 true ES2064405T3 (es) 1995-02-01

Family

ID=16870161

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89116791T Expired - Lifetime ES2064405T3 (es) 1988-09-12 1989-09-11 Aparato lector de imagenes.

Country Status (4)

Country Link
EP (1) EP0359180B1 (es)
JP (1) JPH0276364A (es)
DE (1) DE68919607T2 (es)
ES (1) ES2064405T3 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW225020B (es) * 1992-08-11 1994-06-11 Nisca Corp

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3068810D1 (en) * 1979-10-12 1984-09-06 Xerox Corp Apparatus and method for compensating a raster scanner for component deficiencies

Also Published As

Publication number Publication date
JPH0276364A (ja) 1990-03-15
EP0359180A3 (en) 1990-09-05
DE68919607D1 (de) 1995-01-12
DE68919607T2 (de) 1995-05-04
EP0359180A2 (en) 1990-03-21
EP0359180B1 (en) 1994-11-30

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