DE3919979C2 - - Google Patents

Info

Publication number
DE3919979C2
DE3919979C2 DE19893919979 DE3919979A DE3919979C2 DE 3919979 C2 DE3919979 C2 DE 3919979C2 DE 19893919979 DE19893919979 DE 19893919979 DE 3919979 A DE3919979 A DE 3919979A DE 3919979 C2 DE3919979 C2 DE 3919979C2
Authority
DE
Germany
Prior art keywords
gradation
data
image data
original image
levels
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
DE19893919979
Other languages
German (de)
English (en)
Other versions
DE3919979A1 (de
Inventor
Masaki Harada
Hiroshi Hirakata Osaka Jp Kano
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of DE3919979A1 publication Critical patent/DE3919979A1/de
Application granted granted Critical
Publication of DE3919979C2 publication Critical patent/DE3919979C2/de
Granted 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
    • H04N1/40—Picture signal circuits
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2215/00—Arrangements for producing a permanent visual presentation of the output data
    • G06K2215/0002—Handling the output data
    • G06K2215/004—Generic data transformation
    • G06K2215/006—Anti-aliasing raster data
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2215/00—Arrangements for producing a permanent visual presentation of the output data
    • G06K2215/0002—Handling the output data
    • G06K2215/0062—Handling the output data combining generic and host data, e.g. filling a raster
    • G06K2215/0071—Post-treatment of the composed image, e.g. compression, rotation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2215/00—Arrangements for producing a permanent visual presentation of the output data
    • G06K2215/0082—Architecture adapted for a particular function
    • G06K2215/0094—Colour printing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electronic Switches (AREA)
  • Color, Gradation (AREA)
DE3919979A 1988-06-20 1989-06-19 Verfahren zur umwandlung der gradation eines digitalen bilds, schaltung hierfuer, druckdichtesteuergeraet fuer einen drucker und drucker zur verwendung des verfahrens Granted DE3919979A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63151768A JPH0780310B2 (ja) 1988-06-20 1988-06-20 熱転写プリンタの記録濃度制御方法

Publications (2)

Publication Number Publication Date
DE3919979A1 DE3919979A1 (de) 1989-12-21
DE3919979C2 true DE3919979C2 (fr) 1992-06-04

Family

ID=15525870

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3919979A Granted DE3919979A1 (de) 1988-06-20 1989-06-19 Verfahren zur umwandlung der gradation eines digitalen bilds, schaltung hierfuer, druckdichtesteuergeraet fuer einen drucker und drucker zur verwendung des verfahrens

Country Status (4)

Country Link
JP (1) JPH0780310B2 (fr)
DE (1) DE3919979A1 (fr)
FR (1) FR2633077B1 (fr)
GB (1) GB2221366B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2842484B2 (ja) * 1990-04-19 1999-01-06 三菱電機株式会社 中間調記録装置
EP0482924B1 (fr) * 1990-10-24 1997-09-24 Canon Kabushiki Kaisha Appareil pour la transmission, la réception et l'enregistrement d'images
KR100188439B1 (ko) * 1990-11-28 1999-06-01 윤종용 문서화상데이터의 해상도 및 계조변환장치

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2280274A1 (fr) * 1974-07-25 1976-02-20 Cit Alcatel Chaine de transmission d'images
JPS58150376A (ja) * 1982-03-02 1983-09-07 Sony Corp ビデオ信号処理装置
JPS5954376A (ja) * 1982-09-21 1984-03-29 Konishiroku Photo Ind Co Ltd 画像処理方法
JPS59163953A (ja) * 1983-03-08 1984-09-17 Canon Inc 画像処理装置
JPS59227472A (ja) * 1983-06-09 1984-12-20 Hitachi Ltd 感熱転写プリンタ
US4829584A (en) * 1985-03-26 1989-05-09 Dainippon Screen Mfg. Co., Ltd. Image input system
US4639769A (en) * 1985-04-01 1987-01-27 Eastman Kodak Company Modifying color digital images
JPS6261475A (ja) * 1985-09-12 1987-03-18 Olympus Optical Co Ltd ２値記録装置における擬似中間調記録方法
JPS62256574A (ja) * 1986-04-30 1987-11-09 Fuji Xerox Co Ltd 印写装置
JPS63309077A (ja) * 1987-06-11 1988-12-16 Seikosha Co Ltd ビデオプリンタ

Also Published As

Publication number Publication date
JPH0780310B2 (ja) 1995-08-30
GB2221366B (en) 1992-11-18
JPH023347A (ja) 1990-01-08
DE3919979A1 (de) 1989-12-21
GB8914163D0 (en) 1989-08-09
FR2633077B1 (fr) 1995-04-21
GB2221366A (en) 1990-01-31
FR2633077A1 (fr) 1989-12-22

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee