DE69102008D1 - Gradationsdrucker. - Google Patents

Gradationsdrucker.

Info

Publication number
DE69102008D1
DE69102008D1 DE69102008T DE69102008T DE69102008D1 DE 69102008 D1 DE69102008 D1 DE 69102008D1 DE 69102008 T DE69102008 T DE 69102008T DE 69102008 T DE69102008 T DE 69102008T DE 69102008 D1 DE69102008 D1 DE 69102008D1
Authority
DE
Germany
Prior art keywords
gradation printer
gradation
printer
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
DE69102008T
Other languages
English (en)
Other versions
DE69102008T2 (de
Inventor
Hiroshi Mitsuda
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
Application granted granted Critical
Publication of DE69102008D1 publication Critical patent/DE69102008D1/de
Publication of DE69102008T2 publication Critical patent/DE69102008T2/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
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4076—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture
    • H04N1/4078—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture using gradational references, e.g. grey-scale test pattern analysis

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Electronic Switches (AREA)
DE69102008T 1990-02-27 1991-02-06 Gradationsdrucker. Expired - Fee Related DE69102008T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2047981A JPH0832462B2 (ja) 1990-02-27 1990-02-27 階調記録プリンタ

Publications (2)

Publication Number Publication Date
DE69102008D1 true DE69102008D1 (de) 1994-06-23
DE69102008T2 DE69102008T2 (de) 1994-09-22

Family

ID=12790494

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69102008T Expired - Fee Related DE69102008T2 (de) 1990-02-27 1991-02-06 Gradationsdrucker.

Country Status (5)

Country Link
US (1) US5214446A (de)
EP (1) EP0453714B1 (de)
JP (1) JPH0832462B2 (de)
CA (1) CA2035372A1 (de)
DE (1) DE69102008T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0758958A (ja) * 1993-07-01 1995-03-03 Xerox Corp グレイ画素ハーフトーンシステム及びカラー印刷におけるトナーデポジションの制御
US6116714A (en) * 1994-03-04 2000-09-12 Canon Kabushiki Kaisha Printing head, printing method and apparatus using same, and apparatus and method for correcting said printing head
JP3703061B2 (ja) * 1997-12-08 2005-10-05 富士写真フイルム株式会社 濃度ムラ補正方法及び該方法を用いた画像記録装置
JP2002283599A (ja) * 2001-03-23 2002-10-03 Canon Inc 画像記録装置および画像記録方法
EP1247654B1 (de) * 2001-04-05 2006-07-12 Agfa-Gevaert Verfahren zur Eichung eines Thermodruckers
US6774922B2 (en) 2001-04-05 2004-08-10 Agfa-Gevaert Method for calibrating a thermal printer
EP1431045A1 (de) * 2002-12-17 2004-06-23 Agfa-Gevaert Modellierungsverfahren zur Berücksichtigung der Thermokopftemperatur und der Raumtemperatur
US7139010B2 (en) 2003-03-12 2006-11-21 Agfa Gevaert Thermal head printer and process for printing substantially light-insensitive recording materials
EP1457345B1 (de) * 2003-03-12 2009-12-30 Agfa HealthCare NV Thermokopfdrucker und Verfahren zum Drucken auf thermographischen Aufzeichnungsmaterialien
US9981481B2 (en) * 2014-09-29 2018-05-29 Citizen Watch Co., Ltd. Thermal transfer printer and printing method using same

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3273429D1 (en) * 1981-06-19 1986-10-30 Toshiba Kk Thermal printer
JPH0666872B2 (ja) * 1983-07-28 1994-08-24 富士ゼロックス株式会社 感熱中間調記録装置
US4699531A (en) * 1984-11-30 1987-10-13 Rjs Enterprises, Inc. Self-correcting printer-verifier
JPS62260476A (ja) * 1986-05-06 1987-11-12 Alps Electric Co Ltd 階調プリンタ
JPS6319273A (ja) * 1986-07-11 1988-01-27 Hitachi Ltd 感熱式プリンタ
JPS6318259U (de) * 1986-07-22 1988-02-06
JPS6354056A (ja) * 1986-08-23 1988-03-08 Oki Electric Ind Co Ltd 電子黒板装置
US4806949A (en) * 1986-10-24 1989-02-21 Minolta Camera Kabushiki Kaisha Multitone thermal transfer recording method and apparatus
JPS63109658A (ja) * 1986-10-28 1988-05-14 Konica Corp 画像処理装置における階調設定方法
JPH01297265A (ja) * 1988-05-26 1989-11-30 Mitsubishi Electric Corp サーマルプリンタの印画方法及び装置
US4939581A (en) * 1988-11-23 1990-07-03 Hanoch Shalit Method and system in video image hard copy reproduction

Also Published As

Publication number Publication date
DE69102008T2 (de) 1994-09-22
JPH0832462B2 (ja) 1996-03-29
US5214446A (en) 1993-05-25
JPH03247469A (ja) 1991-11-05
EP0453714B1 (de) 1994-05-18
CA2035372A1 (en) 1991-08-28
EP0453714A1 (de) 1991-10-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee