EP1266762A3 - Method and apparatus for controlling a heating element of a thermal head - Google Patents

Method and apparatus for controlling a heating element of a thermal head Download PDF

Info

Publication number
EP1266762A3
EP1266762A3 EP02013169A EP02013169A EP1266762A3 EP 1266762 A3 EP1266762 A3 EP 1266762A3 EP 02013169 A EP02013169 A EP 02013169A EP 02013169 A EP02013169 A EP 02013169A EP 1266762 A3 EP1266762 A3 EP 1266762A3
Authority
EP
European Patent Office
Prior art keywords
print data
buffer
thermal head
print
controlling
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.)
Granted
Application number
EP02013169A
Other languages
German (de)
French (fr)
Other versions
EP1266762B1 (en
EP1266762A2 (en
Inventor
Satoshi c/o Seiko Epson Corporation Nakajima
Naohiko c/o Seiko Epson Corporation Koakutsu
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of EP1266762A2 publication Critical patent/EP1266762A2/en
Publication of EP1266762A3 publication Critical patent/EP1266762A3/en
Application granted granted Critical
Publication of EP1266762B1 publication Critical patent/EP1266762B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • B41J2/36—Print density control

Abstract

A control apparatus for controlling a heating element of a thermal head (10) has a print data processing unit (40) and a drive control circuit (50). The print data processing unit (40) has a first processing function for converting first color data to first and second print data, a second processing function for converting second color data to second print data, a first line buffer (43) for storing the first print data, and a second line buffer (44) for storing the first and the second print data. The print data processing unit (40) selectively outputs print data from the first line buffer (43) or print data from the second line buffer (44) to the drive control circuit. The drive control circuit (50) has a print buffer (52) and history buffer (53), and energizes the heating elements of the thermal head (10) based on energizing commands determined by a comparison of the content of the print buffer (52) with that of the history buffer (53). <IMAGE>
EP02013169A 2001-06-14 2002-06-14 Method and apparatus for controlling a heating element of a thermal head Expired - Lifetime EP1266762B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001180233 2001-06-14
JP2001180233 2001-06-14

Publications (3)

Publication Number Publication Date
EP1266762A2 EP1266762A2 (en) 2002-12-18
EP1266762A3 true EP1266762A3 (en) 2003-10-22
EP1266762B1 EP1266762B1 (en) 2005-11-23

Family

ID=19020683

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02013169A Expired - Lifetime EP1266762B1 (en) 2001-06-14 2002-06-14 Method and apparatus for controlling a heating element of a thermal head

Country Status (7)

Country Link
EP (1) EP1266762B1 (en)
JP (1) JP4596036B2 (en)
KR (1) KR100530648B1 (en)
AT (1) ATE310643T1 (en)
DE (1) DE60207488T2 (en)
ES (1) ES2248448T3 (en)
HK (1) HK1052901B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7388686B2 (en) 2003-02-25 2008-06-17 Zink Imaging, Llc Image stitching for a multi-head printer
US7830405B2 (en) * 2005-06-23 2010-11-09 Zink Imaging, Inc. Print head pulsing techniques for multicolor printers
US8377844B2 (en) 2001-05-30 2013-02-19 Zink Imaging, Inc. Thermally-insulating layers and direct thermal imaging members containing same
US7391427B2 (en) 2005-06-28 2008-06-24 Zink Imaging, Llc Parametric programmable thermal printer
JP5652448B2 (en) * 2012-09-03 2015-01-14 ブラザー工業株式会社 Printing device
KR20200123595A (en) 2019-04-22 2020-10-30 휴렛-팩커드 디벨롭먼트 컴퍼니, 엘.피. Temperature estimation of dc motor based on sensing voltage
EP3912823B1 (en) * 2020-03-25 2023-02-15 Kyocera Corporation Interface circuit and heat history control method
EP4023449A1 (en) 2020-12-31 2022-07-06 Bizerba SE & Co. KG Method for multicolour thermal direct printing and printer for multicolor thermal direct printing
EP4023448A1 (en) 2020-12-31 2022-07-06 Bizerba SE & Co. KG Method for generating control data for multicolour thermal direct printing

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59190867A (en) * 1983-04-15 1984-10-29 Toshiba Corp Printer
US5376952A (en) * 1991-07-10 1994-12-27 Fuji Photo Film Co., Ltd. Direct color thermal printing method and direct color thermal printer
US5625394A (en) * 1994-02-08 1997-04-29 Fuji Photo Film Co., Ltd. Direct color thermal printing method preventing yellow stains
JP2000168116A (en) * 1998-12-11 2000-06-20 Nec Kofu Ltd Thermal printer and method for controlling printing
EP1070593A2 (en) * 1999-07-21 2001-01-24 Seiko Epson Corporation Thermal printer and method of controlling it
JP2001080099A (en) * 1999-09-16 2001-03-27 Brother Ind Ltd Multicolor thermal printer and electronic blackboard with multicolor thermal printer
US6342911B1 (en) * 1999-04-01 2002-01-29 Tdk Corporation Thermal head

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06286198A (en) * 1993-03-31 1994-10-11 Fuji Photo Film Co Ltd Thermal head drive controller
JPH11309894A (en) * 1998-04-28 1999-11-09 Anritsu Corp Printer
JP4147384B2 (en) * 2001-06-14 2008-09-10 セイコーエプソン株式会社 Thermal head control device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59190867A (en) * 1983-04-15 1984-10-29 Toshiba Corp Printer
US5376952A (en) * 1991-07-10 1994-12-27 Fuji Photo Film Co., Ltd. Direct color thermal printing method and direct color thermal printer
US5625394A (en) * 1994-02-08 1997-04-29 Fuji Photo Film Co., Ltd. Direct color thermal printing method preventing yellow stains
JP2000168116A (en) * 1998-12-11 2000-06-20 Nec Kofu Ltd Thermal printer and method for controlling printing
US6342911B1 (en) * 1999-04-01 2002-01-29 Tdk Corporation Thermal head
EP1070593A2 (en) * 1999-07-21 2001-01-24 Seiko Epson Corporation Thermal printer and method of controlling it
JP2001080099A (en) * 1999-09-16 2001-03-27 Brother Ind Ltd Multicolor thermal printer and electronic blackboard with multicolor thermal printer

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 009, no. 055 (M - 362) 9 March 1985 (1985-03-09) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 09 13 October 2000 (2000-10-13) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 20 10 July 2001 (2001-07-10) *

Also Published As

Publication number Publication date
KR20020095439A (en) 2002-12-26
HK1052901A1 (en) 2004-01-30
KR100530648B1 (en) 2005-11-22
JP2008213489A (en) 2008-09-18
HK1052901B (en) 2005-05-20
DE60207488D1 (en) 2005-12-29
DE60207488T2 (en) 2006-07-27
EP1266762B1 (en) 2005-11-23
JP4596036B2 (en) 2010-12-08
EP1266762A2 (en) 2002-12-18
ES2248448T3 (en) 2006-03-16
ATE310643T1 (en) 2005-12-15

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