FR2507037A1 - Appareil de lecture d'images en couleurs - Google Patents

Appareil de lecture d'images en couleurs

Info

Publication number
FR2507037A1
FR2507037A1 FR8209360A FR8209360A FR2507037A1 FR 2507037 A1 FR2507037 A1 FR 2507037A1 FR 8209360 A FR8209360 A FR 8209360A FR 8209360 A FR8209360 A FR 8209360A FR 2507037 A1 FR2507037 A1 FR 2507037A1
Authority
FR
France
Prior art keywords
color
color image
signals
image reading
reading apparatus
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.)
Granted
Application number
FR8209360A
Other languages
English (en)
Other versions
FR2507037B1 (fr
Inventor
Kunitaka Ozawa
Naoki Ayata
Hidetoshi Suzuki
Seiji Saito
Noboru Koumura
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
Priority claimed from JP56084714A external-priority patent/JPS57199367A/ja
Priority claimed from JP56112660A external-priority patent/JPS5814668A/ja
Priority claimed from JP56159387A external-priority patent/JPS5861442A/ja
Priority claimed from JP56159388A external-priority patent/JPS5861443A/ja
Priority claimed from JP56160152A external-priority patent/JPS5862973A/ja
Priority claimed from JP56160154A external-priority patent/JPS5862769A/ja
Priority claimed from JP56160153A external-priority patent/JPS5862974A/ja
Priority claimed from JP56160151A external-priority patent/JPS5862972A/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of FR2507037A1 publication Critical patent/FR2507037A1/fr
Publication of FR2507037B1 publication Critical patent/FR2507037B1/fr
Application granted granted Critical
Expired 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
    • H04N1/46—Colour picture communication systems
    • H04N1/48—Picture signal generators
    • H04N1/486—Picture signal generators with separate detectors, each detector being used for one specific colour component
    • H04N1/488—Picture signal generators with separate detectors, each detector being used for one specific colour component using beam-splitters
    • 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
    • H04N1/46—Colour picture communication systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Color Image Communication Systems (AREA)
  • Facsimile Image Signal Circuits (AREA)

Abstract

L'INVENTION CONCERNE UN APPAREIL DE LECTURE D'IMAGES EN COULEURS. CET APPAREIL COMPORTE DES ELEMENTS PHOTOELECTRIQUES 7, 8 DESTINES A CONVERTIR LE FAISCEAU LUMINEUX PROVENANT DE L'IMAGE EN COULEURS D'UN ORIGINAL EN SIGNAUX ELECTRIQUES DE SEPARATION DE COULEURS, UN DISPOSITIF DV D'IDENTIFICATION DE COULEUR QUI PRODUIT PLUSIEURS SIGNAUX DE COULEURS C1, C2 CORRESPONDANT AUX COULEURS DE L'IMAGE POLYCHROME, ET UN DISPOSITIF DE CORRECTION QUI UTILISE UN SIGNAL DE COULEUR PARTICULIERE POUR CORRIGER D'AUTRES SIGNAUX DE COULEUR. DOMAINE D'APPLICATION: REPRODUCTION D'IMAGES EN COULEURS.
FR8209360A 1981-06-01 1982-05-28 Appareil de lecture d'images en couleurs Expired FR2507037B1 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP56084714A JPS57199367A (en) 1981-06-01 1981-06-01 Picture input device
JP56112660A JPS5814668A (ja) 1981-07-17 1981-07-17 カラ−画像読取装置
JP56159388A JPS5861443A (ja) 1981-10-08 1981-10-08 色画像読取装置
JP56159387A JPS5861442A (ja) 1981-10-08 1981-10-08 色画像読取装置
JP56160154A JPS5862769A (ja) 1981-10-09 1981-10-09 色判別方式
JP56160152A JPS5862973A (ja) 1981-10-09 1981-10-09 色判別方式
JP56160153A JPS5862974A (ja) 1981-10-09 1981-10-09 色判別方法
JP56160151A JPS5862972A (ja) 1981-10-09 1981-10-09 色判別方法

Publications (2)

Publication Number Publication Date
FR2507037A1 true FR2507037A1 (fr) 1982-12-03
FR2507037B1 FR2507037B1 (fr) 1989-06-09

Family

ID=27572770

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8209360A Expired FR2507037B1 (fr) 1981-06-01 1982-05-28 Appareil de lecture d'images en couleurs

Country Status (4)

Country Link
US (1) US4694502A (fr)
DE (1) DE3220298A1 (fr)
FR (1) FR2507037B1 (fr)
GB (1) GB2102239B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2585528A1 (fr) * 1985-07-27 1987-01-30 Ricoh Kk Systeme de traitement d'images a couleurs separees
EP0217503A1 (fr) * 1985-07-27 1987-04-08 Konica Corporation Procédé de traitement d'images et appareil de formation d'images
EP0300046A1 (fr) * 1987-01-27 1989-01-25 Konica Corporation Appareil pour traitement de signaux d'images en couleurs à demi-teinte

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4517589A (en) * 1981-10-13 1985-05-14 Canon Kabushiki Kaisha Colored image reading apparatus
DE3307326A1 (de) * 1983-03-02 1984-09-06 Koenigk Elektronik u. Fototechnik GmbH, 8551 Adelsdorf Vorrichtung zur elektronischen umsetzung eines farbnegativs in ein farbpositives bildschirm-bild
FR2542540B1 (fr) 1983-03-08 1989-02-10 Canon Kk Systeme de traitement d'images
DE3542884A1 (de) * 1984-12-04 1986-06-05 Canon K.K., Tokio/Tokyo Farbbildleser
US4879595A (en) * 1985-10-22 1989-11-07 Konishiroku Photo Industry Co., Ltd. Technique for reproducing an image read from a color original
JPS62101178A (ja) * 1985-10-29 1987-05-11 Canon Inc 画像情報処理装置
US4878110A (en) * 1986-08-15 1989-10-31 Konishiroku Photo Industry Co., Ltd. Color image processing apparatus which accurately registers multiple color images by counting pulses from a timer reset by a drum index signal
DE69028345T2 (de) * 1989-04-18 1997-01-23 Canon Kk Bildverarbeitungsgerät
US5259043A (en) * 1989-10-10 1993-11-02 Unisys Corporation Filtering illumination for image lift
US5083140A (en) * 1990-04-10 1992-01-21 Minnesota Mining And Manufacturing Company Multiple charge images initiation with scan synchronization
JPH0722339B2 (ja) * 1990-07-17 1995-03-08 松下電器産業株式会社 画像読み取り装置
US6058201A (en) * 1995-05-04 2000-05-02 Web Printing Controls Co., Inc. Dynamic reflective density measuring and control system for a web printing press
JP3642874B2 (ja) * 1995-05-19 2005-04-27 株式会社リコー カラー画像入力装置
US6499402B1 (en) 2000-05-17 2002-12-31 Web Printing Controls Co., Inc. System for dynamically monitoring and controlling a web printing press

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127517A (en) * 1956-04-27 1964-03-31 Sperry Rand Corp Color discriminating apparatus
JPS56152377A (en) * 1980-04-26 1981-11-25 Canon Inc Picture reader
DE3108187A1 (de) * 1980-03-05 1981-12-10 Ricoh Co., Ltd., Tokyo Verfahren zum verarbeiten eines bildsignals
JPS5717263A (en) * 1980-07-04 1982-01-28 Mitsubishi Electric Corp Reader for four color original
DE3203796A1 (de) * 1981-02-05 1982-09-02 Canon K.K., Tokyo Farbvorlagen-lesegeraet
US4479242A (en) * 1981-03-06 1984-10-23 Fuji Xerox Co., Ltd. Dichromatic reading device

Family Cites Families (18)

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DE1597771C3 (de) * 1967-07-22 1978-09-07 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur Herstellung von korrigierten Farbauszugssignalen und Farbauszügen
US3885244A (en) * 1970-12-17 1975-05-20 Hell Rudolf Dr Ing Method of producing color correction signals and color separation signals
US3904872A (en) * 1970-12-29 1975-09-09 Nippon Electric Co Detector for luminescent patterns comprising a color detector responsive to color components of predetermined colors of the luminescence
GB1369702A (en) * 1972-01-05 1974-10-09 Crosfield Electronics Ltd Image reproducing methods and apparatus
DE2206633C3 (de) * 1972-02-11 1981-01-08 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Vorrichtung zur Identifizierung von Farben
CA923621A (en) * 1972-10-16 1973-03-27 W. Moll Edward Multi-stage queuer system
US3848856A (en) * 1973-10-01 1974-11-19 Hazeltine Corp Local correction apparatus for a color previewer
JPS5224701A (en) * 1975-08-20 1977-02-24 Dainippon Screen Mfg Method of correcting color of image signal
JPS6035661B2 (ja) * 1975-09-12 1985-08-15 大日本スクリーン製造株式会社 色修正方法
DE2708421C2 (de) * 1977-02-26 1982-01-14 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zum Mischen von Signalen bei der Druckformherstellung
DE2810225C2 (de) * 1978-03-09 1982-04-22 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Gewinnung und Verwertung von Farbkorrekturdaten für die Farbbildaufzeichnung
US4198652A (en) * 1978-05-11 1980-04-15 Rca Corporation D.C. Gain controlled amplifier
DE2853509C2 (de) * 1978-12-12 1983-02-03 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Einrichtung zur Herstellung von Farbauszügen
JPS6052429B2 (ja) * 1979-02-28 1985-11-19 大日本スクリ−ン製造株式会社 色修正演算方法
IL59886A (en) * 1979-04-23 1983-06-15 Dainippon Screen Mfg Digital color control method and machine
GB2050751B (en) * 1979-05-30 1983-06-29 Crosfield Electronics Ltd Image-reproduction apparatus
US4467348A (en) * 1980-02-01 1984-08-21 Canon Kabushiki Kaisha Image recording device
US4307415A (en) * 1980-04-30 1981-12-22 United Technologies Corporation Color indentification circuit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127517A (en) * 1956-04-27 1964-03-31 Sperry Rand Corp Color discriminating apparatus
DE3108187A1 (de) * 1980-03-05 1981-12-10 Ricoh Co., Ltd., Tokyo Verfahren zum verarbeiten eines bildsignals
JPS56152377A (en) * 1980-04-26 1981-11-25 Canon Inc Picture reader
JPS5717263A (en) * 1980-07-04 1982-01-28 Mitsubishi Electric Corp Reader for four color original
DE3203796A1 (de) * 1981-02-05 1982-09-02 Canon K.K., Tokyo Farbvorlagen-lesegeraet
US4479242A (en) * 1981-03-06 1984-10-23 Fuji Xerox Co., Ltd. Dichromatic reading device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 6, no. 32 (E-96)[910], 26 février 1982; & JP-A-56 152 377 (CANON K.K.) 25-11-1981 *
PATENT ABSTRACTS OF JAPAN, vol. 6, no. 81 (E-107)[959], 19 mai 1982; & JP-A-57 17 263 (MITSUBISHI DENKI K.K.) 28-01-1982 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2585528A1 (fr) * 1985-07-27 1987-01-30 Ricoh Kk Systeme de traitement d'images a couleurs separees
EP0217503A1 (fr) * 1985-07-27 1987-04-08 Konica Corporation Procédé de traitement d'images et appareil de formation d'images
EP0300046A1 (fr) * 1987-01-27 1989-01-25 Konica Corporation Appareil pour traitement de signaux d'images en couleurs à demi-teinte
EP0300046A4 (en) * 1987-01-27 1992-03-04 Konica Corporation Color image processor

Also Published As

Publication number Publication date
GB2102239B (en) 1985-09-25
FR2507037B1 (fr) 1989-06-09
GB2102239A (en) 1983-01-26
US4694502A (en) 1987-09-15
DE3220298A1 (de) 1982-12-16
DE3220298C2 (fr) 1988-09-29

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