DE3476041D1 - Method and apparatus for thermal half tone printing - Google Patents

Method and apparatus for thermal half tone printing

Info

Publication number
DE3476041D1
DE3476041D1 DE8484108524T DE3476041T DE3476041D1 DE 3476041 D1 DE3476041 D1 DE 3476041D1 DE 8484108524 T DE8484108524 T DE 8484108524T DE 3476041 T DE3476041 T DE 3476041T DE 3476041 D1 DE3476041 D1 DE 3476041D1
Authority
DE
Germany
Prior art keywords
half tone
tone printing
thermal half
thermal
printing
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
Application number
DE8484108524T
Other languages
English (en)
Inventor
Toshiharu C O Fuji Xerox Inui
Haruhiko C O Fuji Xe Moriguchi
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.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox 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 Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Application granted granted Critical
Publication of DE3476041D1 publication Critical patent/DE3476041D1/de
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
    • H04N1/40—Picture signal circuits
    • H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
    • H04N1/4005—Circuits exciting or modulating particular heads for reproducing continuous tone value scales with regulating circuits, e.g. dependent upon ambient temperature or feedback control
    • 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
    • H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
    • H04N1/40031—Circuits exciting or modulating particular heads for reproducing continuous tone value scales for a plurality of reproducing elements simultaneously
    • 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
    • H04N1/40081—Soft dot halftoning, i.e. producing halftone dots with gradual edges

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Electronic Switches (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
DE8484108524T 1983-07-28 1984-07-19 Method and apparatus for thermal half tone printing Expired DE3476041D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58138362A JPH0666872B2 (ja) 1983-07-28 1983-07-28 感熱中間調記録装置

Publications (1)

Publication Number Publication Date
DE3476041D1 true DE3476041D1 (en) 1989-02-16

Family

ID=15220156

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484108524T Expired DE3476041D1 (en) 1983-07-28 1984-07-19 Method and apparatus for thermal half tone printing

Country Status (4)

Country Link
US (1) US4679055A (de)
EP (1) EP0132794B1 (de)
JP (1) JPH0666872B2 (de)
DE (1) DE3476041D1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0632942B2 (ja) * 1985-09-25 1994-05-02 株式会社日立製作所 記録濃度制御装置
JPS62260476A (ja) * 1986-05-06 1987-11-12 Alps Electric Co Ltd 階調プリンタ
JPH0647297B2 (ja) * 1986-09-19 1994-06-22 日本ビクター株式会社 感熱転写階調制御装置
DE3882543T2 (de) * 1987-01-29 1994-01-20 Matsushita Electric Ind Co Ltd Wärmeübertragungsdrucker mit Widerstandsband.
JPS6484864A (en) * 1987-09-21 1989-03-30 Toho Kako Kk Food packaging film and packaging method
CA1338222C (en) * 1988-02-15 1996-04-02 Satoshi Iwata Method and apparatus for energizing thermal head of a thermal printer
US4969052A (en) * 1988-05-11 1990-11-06 Canon Kabushiki Kaisha Image processing method and apparatus
JPH02172757A (ja) * 1988-12-26 1990-07-04 Canon Inc 記録ヘツド及び前記記録ヘツドを用いた熱記録装置
JPH02283462A (ja) * 1988-12-23 1990-11-20 Canon Inc 記録ヘツド及び前記記録ヘツドを用いた熱記録装置
JP2984009B2 (ja) * 1989-02-03 1999-11-29 株式会社リコー サーマルヘッド駆動装置
US5043742A (en) * 1989-02-09 1991-08-27 Victor Company Of Japan, Ltd. Correction of printing signal to be supplied to thermal head of thermal printer
US5086306A (en) * 1989-07-19 1992-02-04 Ricoh Company, Ltd. Line head driving apparatus
JPH0832462B2 (ja) * 1990-02-27 1996-03-29 三菱電機株式会社 階調記録プリンタ
WO1991020154A1 (en) * 1990-06-18 1991-12-26 Eastman Kodak Company Thermal printer with image signal processing
US5163760A (en) * 1991-11-29 1992-11-17 Eastman Kodak Company Method and apparatus for driving a thermal head to reduce parasitic resistance effects
AU6665094A (en) * 1993-05-21 1994-12-20 Fargo Electronics, Inc. Patterned intensities printer
JP2857837B2 (ja) * 1994-11-16 1999-02-17 日本電気エンジニアリング株式会社 サ−マルヘッドの発熱制御装置
JP3227385B2 (ja) * 1996-07-11 2001-11-12 キヤノン株式会社 画像形成装置
US6384854B1 (en) 1999-05-07 2002-05-07 Fargo Electronics, Inc. Printer using thermal print head
US6532032B2 (en) 1999-05-07 2003-03-11 Fargo Electronics, Inc. Printer using thermal printhead
JP2006159505A (ja) * 2004-12-03 2006-06-22 Wedge:Kk 画像形成方法およびその装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2435090C2 (de) * 1974-07-22 1982-06-03 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren und Anordnung zum Drucken von Grautonbildern
JPS51123511A (en) * 1975-04-22 1976-10-28 Oki Electric Ind Co Ltd Degree recording method
JPS5473650A (en) * 1977-11-25 1979-06-13 Keisatsuchiyou Chokan Gradation recording method
JPS55135976A (en) * 1979-04-09 1980-10-23 Matsushita Giken Kk Image recording device
JPS572773A (en) * 1980-06-06 1982-01-08 Nippon Telegr & Teleph Corp <Ntt> Recording system for gradation image
JPS572772A (en) * 1980-06-07 1982-01-08 Nippon Telegr & Teleph Corp <Ntt> Thermal recording method
JPS6349914Y2 (de) * 1981-04-24 1988-12-21
EP0068702B1 (de) * 1981-06-19 1986-09-24 Kabushiki Kaisha Toshiba Thermischer Drucker

Also Published As

Publication number Publication date
EP0132794A3 (en) 1985-05-22
JPH0666872B2 (ja) 1994-08-24
US4679055A (en) 1987-07-07
JPS6030265A (ja) 1985-02-15
EP0132794A2 (de) 1985-02-13
EP0132794B1 (de) 1989-01-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee