DE3674699D1 - Einrichtung zum nachweis von fehlern des heizstromkreises fuer thermodruckkopf. - Google Patents

Einrichtung zum nachweis von fehlern des heizstromkreises fuer thermodruckkopf.

Info

Publication number
DE3674699D1
DE3674699D1 DE8686110322T DE3674699T DE3674699D1 DE 3674699 D1 DE3674699 D1 DE 3674699D1 DE 8686110322 T DE8686110322 T DE 8686110322T DE 3674699 T DE3674699 T DE 3674699T DE 3674699 D1 DE3674699 D1 DE 3674699D1
Authority
DE
Germany
Prior art keywords
print head
heating circuit
thermal print
detecting errors
errors
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 - Lifetime
Application number
DE8686110322T
Other languages
English (en)
Inventor
Kouetu Takahashi
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.)
Sato Corp
Original Assignee
Sato 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 Sato Corp filed Critical Sato Corp
Application granted granted Critical
Publication of DE3674699D1 publication Critical patent/DE3674699D1/de
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
DE8686110322T 1985-08-29 1986-07-25 Einrichtung zum nachweis von fehlern des heizstromkreises fuer thermodruckkopf. Expired - Lifetime DE3674699D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60188616A JPH0630888B2 (ja) 1985-08-29 1985-08-29 サ−マル印字ヘツドの発熱回路不良検出装置

Publications (1)

Publication Number Publication Date
DE3674699D1 true DE3674699D1 (de) 1990-11-08

Family

ID=16226793

Family Applications (2)

Application Number Title Priority Date Filing Date
DE198686110322T Pending DE217044T1 (de) 1985-08-29 1986-07-25 Einrichtung zum nachweis von fehlern des heizstromkreises fuer thermodruckkopf.
DE8686110322T Expired - Lifetime DE3674699D1 (de) 1985-08-29 1986-07-25 Einrichtung zum nachweis von fehlern des heizstromkreises fuer thermodruckkopf.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE198686110322T Pending DE217044T1 (de) 1985-08-29 1986-07-25 Einrichtung zum nachweis von fehlern des heizstromkreises fuer thermodruckkopf.

Country Status (4)

Country Link
US (1) US4769657A (de)
EP (1) EP0217044B1 (de)
JP (1) JPH0630888B2 (de)
DE (2) DE217044T1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR900009189Y1 (ko) * 1988-06-17 1990-10-06 삼성전자 주식회사 전자조리기의 출력 제어회로
US4996487A (en) * 1989-04-24 1991-02-26 International Business Machines Corporation Apparatus for detecting failure of thermal heaters in ink jet printers
US5815179A (en) * 1995-04-12 1998-09-29 Eastman Kodak Company Block fault tolerance in integrated printing heads
JP3531380B2 (ja) * 1996-09-19 2004-05-31 ブラザー工業株式会社 印字ヘッドユニットの検査方法及びその検査装置
CA2242500C (en) * 1997-09-15 2007-11-13 Monarch Marking Systems, Inc. Early thermal printhead failure prediction system
JP3068549B2 (ja) * 1998-03-05 2000-07-24 日本電気データ機器株式会社 サーマルプリンタ
JP2000043307A (ja) * 1998-07-29 2000-02-15 Sony Corp ヘッド診断装置及びヘッド診断方法
US6476838B1 (en) * 1999-09-03 2002-11-05 Oki Data America, Inc. Method of driving a thermal print head
US6520615B1 (en) * 1999-10-05 2003-02-18 Hewlett-Packard Company Thermal inkjet print head with integrated power supply fault protection circuitry for protection of firing circuitry
GB0002710D0 (en) * 2000-02-08 2000-03-29 Gec Avery Ltd Thermal printhead operation
JP3653219B2 (ja) * 2000-10-30 2005-05-25 シャープ株式会社 印刷装置およびそれを用いた通信装置または情報処理装置
US6481814B2 (en) 2001-02-28 2002-11-19 Lemark International, Inc. Apparatus and method for ink jet printhead voltage fault protection
US6735496B1 (en) * 2001-10-19 2004-05-11 Chromalox, Inc. System and method of monitoring multiple control loops in a heater system
US20050097385A1 (en) * 2003-10-15 2005-05-05 Ahne Adam J. Method of fault correction for an array of fusible links
CN100528570C (zh) * 2004-04-16 2009-08-19 深圳赛意法微电子有限公司 喷墨打印机的笔和笔故障检查电路及检查笔中故障的方法
US7419231B2 (en) * 2005-05-25 2008-09-02 Lexmark International, Inc. Power sensing circuit
US7635174B2 (en) * 2005-08-22 2009-12-22 Lexmark International, Inc. Heater chip test circuit and methods for using the same
US7722163B2 (en) 2006-10-10 2010-05-25 Silverbrook Research Pty Ltd Printhead IC with clock recovery circuit
US7425047B2 (en) * 2006-10-10 2008-09-16 Silverbrook Research Pty Ltd Printhead IC compatible with mutally incompatible print engine controllers
US7946674B2 (en) * 2006-10-10 2011-05-24 Silverbrook Research Pty Ltd Printhead IC with open actuator test
US7547087B2 (en) * 2007-02-23 2009-06-16 International Business Machines Corporation Fault detection circuit for printers with multiple print heads
US9096072B1 (en) * 2014-01-13 2015-08-04 Toshiba Tec Kabushiki Kaisha Thermal printer and method for checking disconnection
JP6750304B2 (ja) * 2016-05-24 2020-09-02 セイコーエプソン株式会社 サーマルプリンター、及び、サーマルプリンターの制御方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2944796C2 (de) * 1979-11-06 1983-12-08 Siemens Ag, 1000 Berlin Und 8000 Muenchen Anordnung zur Überwachung und Regelung einer Heizanordnung
JPS59201878A (ja) * 1983-04-28 1984-11-15 Tokyo Electric Co Ltd サ−マルプリンタ
JPS6023060A (ja) * 1983-07-19 1985-02-05 Tokyo Electric Co Ltd サ−マルプリンタのヘツド切れ検出装置
JPS60159662A (ja) * 1984-01-31 1985-08-21 Tokyo Electric Co Ltd サ−マルヘツドの発熱体故障検出装置
US4595935A (en) * 1984-08-14 1986-06-17 Ncr Canada Ltd. System for detecting defective thermal printhead elements

Also Published As

Publication number Publication date
EP0217044B1 (de) 1990-10-03
JPS6250169A (ja) 1987-03-04
EP0217044A1 (de) 1987-04-08
US4769657A (en) 1988-09-06
DE217044T1 (de) 1987-08-13
JPH0630888B2 (ja) 1994-04-27

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Legal Events

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8364 No opposition during term of opposition