JPS6475252A - Color image reproductive apparatus - Google Patents

Color image reproductive apparatus

Info

Publication number
JPS6475252A
JPS6475252A JP62232424A JP23242487A JPS6475252A JP S6475252 A JPS6475252 A JP S6475252A JP 62232424 A JP62232424 A JP 62232424A JP 23242487 A JP23242487 A JP 23242487A JP S6475252 A JPS6475252 A JP S6475252A
Authority
JP
Japan
Prior art keywords
data
character
symbol
memories
outputted
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.)
Pending
Application number
JP62232424A
Other languages
Japanese (ja)
Inventor
Susumu Sugiura
Kentaro Matsumoto
Makoto Takaoka
Akiyoshi Fukumoto
Toyokazu Uda
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
Priority to JP62232424A priority Critical patent/JPS6475252A/en
Publication of JPS6475252A publication Critical patent/JPS6475252A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/21—Ink jet for multi-colour printing

Landscapes

  • Ink Jet (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)

Abstract

PURPOSE:To obtain high resolution in an image area of character, symbol, etc., and high gradation in a variable-density image area of photograph or the like, by a method wherein a colorant of single color black is used for black in the character and symbol area, and a plurality of colorants of different densities are used in areas except for the character and symbol area. CONSTITUTION:Trichromatic decomposed image data B, G, R are inputted to frame memories 202-204 to be complementary color converted to Y, M, C. A character and symbol are pattern developed to be stored in memories 206-208. Besides, the data of Y, M, C stored in the memories 202-204 are outputted as parallel data, and are distributed to data of thin ink and thick ink. The data stored in the memories 206-208 are inputted to a logic circuit 223. When C, M, Y are simultaneously not '1', they are outputted as K=0, and data of C, M, Y are sent to shift registers 22A, 22C, 22E via OR gates 214A-214C. Besides, the data which are outputted as K+1 with the logic circuit 223 drive a recording head 221 to print black in an character and symbol area by single color black.
JP62232424A 1987-09-18 1987-09-18 Color image reproductive apparatus Pending JPS6475252A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62232424A JPS6475252A (en) 1987-09-18 1987-09-18 Color image reproductive apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62232424A JPS6475252A (en) 1987-09-18 1987-09-18 Color image reproductive apparatus

Publications (1)

Publication Number Publication Date
JPS6475252A true JPS6475252A (en) 1989-03-20

Family

ID=16939046

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62232424A Pending JPS6475252A (en) 1987-09-18 1987-09-18 Color image reproductive apparatus

Country Status (1)

Country Link
JP (1) JPS6475252A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03218851A (en) * 1989-03-24 1991-09-26 Canon Inc Recording head cartridge and recording device using cartridge
US5596355A (en) * 1992-06-01 1997-01-21 Fuji Xerox Co., Ltd. Color ink jet recording apparatus capable of high-quality printing of black portions
US6002848A (en) * 1991-04-23 1999-12-14 Canon Kabushiki Kaisha Band-based printing control system
US7016074B1 (en) * 1999-06-11 2006-03-21 Konica Corporation Color proof forming method and color proof forming apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59161945A (en) * 1983-03-04 1984-09-12 Nippon Telegr & Teleph Corp <Ntt> Interference detector for mobile communication system
JPS59201863A (en) * 1983-04-28 1984-11-15 Canon Inc Reproduction of halftone

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59161945A (en) * 1983-03-04 1984-09-12 Nippon Telegr & Teleph Corp <Ntt> Interference detector for mobile communication system
JPS59201863A (en) * 1983-04-28 1984-11-15 Canon Inc Reproduction of halftone

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03218851A (en) * 1989-03-24 1991-09-26 Canon Inc Recording head cartridge and recording device using cartridge
US6002848A (en) * 1991-04-23 1999-12-14 Canon Kabushiki Kaisha Band-based printing control system
US6353480B1 (en) 1991-04-23 2002-03-05 Canon Kabushiki Kaisha Multi-mode printing control system
US5596355A (en) * 1992-06-01 1997-01-21 Fuji Xerox Co., Ltd. Color ink jet recording apparatus capable of high-quality printing of black portions
US7016074B1 (en) * 1999-06-11 2006-03-21 Konica Corporation Color proof forming method and color proof forming apparatus

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