WO1988010041A1 - Signal processing for a thermal printer - Google Patents

Signal processing for a thermal printer Download PDF

Info

Publication number
WO1988010041A1
WO1988010041A1 PCT/US1988/001637 US8801637W WO8810041A1 WO 1988010041 A1 WO1988010041 A1 WO 1988010041A1 US 8801637 W US8801637 W US 8801637W WO 8810041 A1 WO8810041 A1 WO 8810041A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal processing
thermal printer
color
printing apparatus
edge enhancement
Prior art date
Application number
PCT/US1988/001637
Other languages
French (fr)
Other versions
WO1988010041A2 (en
Inventor
Edward A Hauschild
David J Howard
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Priority to DE8888905486T priority Critical patent/DE3876952T2/en
Publication of WO1988010041A2 publication Critical patent/WO1988010041A2/en
Publication of WO1988010041A1 publication Critical patent/WO1988010041A1/en

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
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • B41J2/35—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads providing current or voltage to the thermal head
    • B41J2/355—Control circuits for heating-element selection
    • B41J2/3555—Historical control
    • 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
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • B41J2/35—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads providing current or voltage to the thermal head
    • B41J2/355—Control circuits for heating-element selection
    • 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
    • B41J35/00—Other apparatus or arrangements associated with, or incorporated in, ink-ribbon mechanisms
    • B41J35/16—Multicolour arrangements
    • B41J35/18—Colour change effected automatically
    • 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
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • H04N1/4092—Edge or detail enhancement
    • 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
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/58—Edge or detail enhancement; Noise or error suppression, e.g. colour misregistration correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Electronic Switches (AREA)
  • Color Image Communication Systems (AREA)
  • Facsimile Image Signal Circuits (AREA)

Abstract

A signal processing for a color thermal printing apparatus first corrects contact and color and then provides edge enhancement.
PCT/US1988/001637 1987-06-03 1988-05-23 Signal processing for a thermal printer WO1988010041A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8888905486T DE3876952T2 (en) 1987-06-03 1988-05-23 SIGNAL PROCESSING FOR A THERMAL PRINTER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/056,925 US4786917A (en) 1987-06-03 1987-06-03 Signal processing for a thermal printer
US056,925 1998-04-08

Publications (2)

Publication Number Publication Date
WO1988010041A2 WO1988010041A2 (en) 1988-12-15
WO1988010041A1 true WO1988010041A1 (en) 1988-12-15

Family

ID=22007402

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1988/001637 WO1988010041A1 (en) 1987-06-03 1988-05-23 Signal processing for a thermal printer

Country Status (5)

Country Link
US (1) US4786917A (en)
EP (1) EP0316432B1 (en)
JP (1) JPH02500479A (en)
DE (1) DE3876952T2 (en)
WO (1) WO1988010041A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03221474A (en) * 1990-01-26 1991-09-30 Kanzaki Paper Mfg Co Ltd Dot printer
SG52293A1 (en) * 1990-05-31 1998-09-28 Mitsubishi Electric Corp Signal processor for video printer
EP0487717A1 (en) * 1990-06-18 1992-06-03 Eastman Kodak Company Thermal printer with image signal processing
US5231506A (en) * 1990-12-21 1993-07-27 Eastman Kodak Company Generation of hard copy color photo reproductions from digitally created internegative
JPH05286259A (en) * 1991-11-29 1993-11-02 Dainippon Printing Co Ltd Method and apparatus for forming medical image and thermal transfer sheet
US5455617A (en) * 1992-03-27 1995-10-03 Eastman Kodak Company Thermal printer supply having non-volatile memory
US5266968A (en) * 1992-03-27 1993-11-30 Eastman Kodak Company Non-volatile memory thermal printer cartridge
JP2957813B2 (en) * 1992-08-10 1999-10-06 シャープ株式会社 Printer device
JPH06106762A (en) * 1992-09-28 1994-04-19 Sharp Corp Printer
US5469203A (en) * 1992-11-24 1995-11-21 Eastman Kodak Company Parasitic resistance compensation for a thermal print head
US5519426A (en) * 1993-11-01 1996-05-21 Lasermaster Corporation Method for controlling a thermal printer to increase resolution
EP0694867A1 (en) * 1994-07-21 1996-01-31 Agfa-Gevaert N.V. Method of printing an electronically stored multicolor medical image
US11386588B2 (en) * 2016-12-27 2022-07-12 Sony Corporation Product design system and design image correction apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0083176A2 (en) * 1981-12-21 1983-07-06 Image Resource Corporation System and apparatus for the conversion of video signals into images on a light-responsive recording surface
EP0148959A1 (en) * 1983-12-23 1985-07-24 Agfa-Gevaert N.V. Signal-processing device
WO1987001890A2 (en) * 1985-09-23 1987-03-26 Eastman Kodak Company Apparatus and method for controlling a thermal printer apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3020201A1 (en) * 1979-05-30 1980-12-11 Crosfield Electronics Ltd IMAGE REPRODUCTION DEVICE
EP0068702B1 (en) * 1981-06-19 1986-09-24 Kabushiki Kaisha Toshiba Thermal printer
GB2137936B (en) * 1983-03-18 1987-06-03 Suwa Seikosha Kk Thermal printing apparatus
US4618870A (en) * 1984-06-07 1986-10-21 Ricoh Company, Ltd. Device for compensating for fluctuation of ink transfer in thermal transfer type printer
GB9914979D0 (en) * 1999-06-25 1999-08-25 Anglo American Plc Process for the extraction of copper

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0083176A2 (en) * 1981-12-21 1983-07-06 Image Resource Corporation System and apparatus for the conversion of video signals into images on a light-responsive recording surface
EP0148959A1 (en) * 1983-12-23 1985-07-24 Agfa-Gevaert N.V. Signal-processing device
WO1987001890A2 (en) * 1985-09-23 1987-03-26 Eastman Kodak Company Apparatus and method for controlling a thermal printer apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Patent Abstracts of Japan, vol. 8, no. 21 (E-224)(1458) 28 January 1984; & JP-A-58182957 (FUJI SHASHIN FILM K.K.) 26 October 1983 *

Also Published As

Publication number Publication date
JPH02500479A (en) 1990-02-15
EP0316432A1 (en) 1989-05-24
EP0316432B1 (en) 1992-12-23
DE3876952T2 (en) 1993-07-08
US4786917A (en) 1988-11-22
DE3876952D1 (en) 1993-02-04

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