DE69522310D1 - Halbtonaufzeichnungsverfahren und -vorrichtung - Google Patents

Halbtonaufzeichnungsverfahren und -vorrichtung

Info

Publication number
DE69522310D1
DE69522310D1 DE69522310T DE69522310T DE69522310D1 DE 69522310 D1 DE69522310 D1 DE 69522310D1 DE 69522310 T DE69522310 T DE 69522310T DE 69522310 T DE69522310 T DE 69522310T DE 69522310 D1 DE69522310 D1 DE 69522310D1
Authority
DE
Germany
Prior art keywords
recording method
halftone recording
halftone
recording
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
DE69522310T
Other languages
English (en)
Other versions
DE69522310T2 (de
Inventor
Yamada Keiki
Takahashi Masatoshi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE69522310D1 publication Critical patent/DE69522310D1/de
Application granted granted Critical
Publication of DE69522310T2 publication Critical patent/DE69522310T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
    • H04N1/4056—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern the pattern varying in one dimension only, e.g. dash length, pulse width modulation [PWM]
    • 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
    • H04N1/40037—Circuits exciting or modulating particular heads for reproducing continuous tone value scales the reproducing element being a laser

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electronic Switches (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Facsimile Image Signal Circuits (AREA)
DE69522310T 1995-03-14 1995-06-07 Halbtonaufzeichnungsverfahren und -vorrichtung Expired - Fee Related DE69522310T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7054155A JP3039608B2 (ja) 1995-03-14 1995-03-14 中間調記録方法及び装置

Publications (2)

Publication Number Publication Date
DE69522310D1 true DE69522310D1 (de) 2001-09-27
DE69522310T2 DE69522310T2 (de) 2002-05-16

Family

ID=12962667

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69522310T Expired - Fee Related DE69522310T2 (de) 1995-03-14 1995-06-07 Halbtonaufzeichnungsverfahren und -vorrichtung

Country Status (6)

Country Link
US (1) US6031554A (de)
EP (1) EP0732841B1 (de)
JP (1) JP3039608B2 (de)
CN (1) CN1065181C (de)
CA (1) CA2151109C (de)
DE (1) DE69522310T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1191152A (ja) * 1997-09-22 1999-04-06 Brother Ind Ltd 感熱記録装置
JP2007076362A (ja) * 2005-08-15 2007-03-29 Shinko Electric Co Ltd プリンタ、およびサーマルヘッドへのパルス通電方法
JP6234067B2 (ja) * 2013-05-24 2017-11-22 キヤノン株式会社 画像形成装置、画像形成方法及びプログラム

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56109068A (en) * 1980-02-04 1981-08-29 Nippon Telegr & Teleph Corp <Ntt> Recorder for multitone
JPS58179057A (ja) * 1982-04-15 1983-10-20 Konishiroku Photo Ind Co Ltd 感熱記録装置
JPS59149460A (ja) * 1983-02-16 1984-08-27 Canon Inc 感熱記録方式
JPS59227472A (ja) * 1983-06-09 1984-12-20 Hitachi Ltd 感熱転写プリンタ
JPS609271A (ja) 1983-06-28 1985-01-18 Ricoh Co Ltd 感熱記録装置の中間調記録方法
US4704617A (en) * 1984-12-24 1987-11-03 Nippon Kogaku K. K. Thermal system image recorder
US4779102A (en) * 1985-12-05 1988-10-18 Ricoh Company, Ltd. Head drive system for a thermal printer
JPS6318865A (ja) * 1986-07-11 1988-01-26 Konica Corp サ−マルヘツドによる画像記録方法
JPS6374664A (ja) * 1986-09-18 1988-04-05 Sony Corp 感熱ヘツドの駆動回路
JPH0761717B2 (ja) * 1987-02-14 1995-07-05 日本ビクター株式会社 感熱転写印刷装置
US4746941A (en) * 1987-10-13 1988-05-24 Eastman Kodak Company Dot printer with token bit selection of data latching
US4894712A (en) * 1987-10-23 1990-01-16 Nec Home Electronics Ltd. Density gradation control type thermal printer
DE3806935A1 (de) * 1988-03-03 1989-09-14 Standard Elektrik Lorenz Ag Drucker
US4910528A (en) * 1989-01-10 1990-03-20 Hewlett-Packard Company Ink jet printer thermal control system
JP2842484B2 (ja) * 1990-04-19 1999-01-06 三菱電機株式会社 中間調記録装置
JPH04207664A (ja) * 1990-11-30 1992-07-29 Matsushita Electric Ind Co Ltd 熱転写プリンタ
JP2896249B2 (ja) * 1991-04-19 1999-05-31 富士写真フイルム株式会社 プリンタの記録ヘッド駆動装置
JP2902813B2 (ja) * 1991-05-13 1999-06-07 富士写真フイルム株式会社 熱記録方法及び装置
JP2688391B2 (ja) * 1991-10-28 1997-12-10 富士写真フイルム株式会社 溶融型熱転写記録方法
JP2942680B2 (ja) * 1992-11-04 1999-08-30 富士写真フイルム株式会社 カラー感熱記録方法

Also Published As

Publication number Publication date
US6031554A (en) 2000-02-29
CA2151109A1 (en) 1996-09-15
JPH08244265A (ja) 1996-09-24
EP0732841B1 (de) 2001-08-22
CN1065181C (zh) 2001-05-02
EP0732841A2 (de) 1996-09-18
DE69522310T2 (de) 2002-05-16
JP3039608B2 (ja) 2000-05-08
CN1131095A (zh) 1996-09-18
CA2151109C (en) 1999-10-26
EP0732841A3 (de) 1997-09-10

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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