DE69221574D1 - Steuerschaltung für Thermodruckkopf - Google Patents

Steuerschaltung für Thermodruckkopf

Info

Publication number
DE69221574D1
DE69221574D1 DE69221574T DE69221574T DE69221574D1 DE 69221574 D1 DE69221574 D1 DE 69221574D1 DE 69221574 T DE69221574 T DE 69221574T DE 69221574 T DE69221574 T DE 69221574T DE 69221574 D1 DE69221574 D1 DE 69221574D1
Authority
DE
Germany
Prior art keywords
control circuit
print head
thermal print
thermal
head
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
DE69221574T
Other languages
English (en)
Other versions
DE69221574T2 (de
Inventor
Hiroshi Itoh
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 DE69221574D1 publication Critical patent/DE69221574D1/de
Application granted granted Critical
Publication of DE69221574T2 publication Critical patent/DE69221574T2/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
    • H04N1/23—Reproducing arrangements
    • 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
    • B41J2/365—Print density control by compensation for variation in temperature
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Electronic Switches (AREA)
  • Facsimile Heads (AREA)
  • Fax Reproducing Arrangements (AREA)
DE69221574T 1991-10-14 1992-10-13 Steuerschaltung für Thermodruckkopf Expired - Fee Related DE69221574T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29203991A JPH0596769A (ja) 1991-10-14 1991-10-14 駆動回路

Publications (2)

Publication Number Publication Date
DE69221574D1 true DE69221574D1 (de) 1997-09-18
DE69221574T2 DE69221574T2 (de) 1998-03-26

Family

ID=17776744

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69221574T Expired - Fee Related DE69221574T2 (de) 1991-10-14 1992-10-13 Steuerschaltung für Thermodruckkopf

Country Status (6)

Country Link
US (1) US5349623A (de)
EP (1) EP0537680B1 (de)
JP (1) JPH0596769A (de)
KR (1) KR960014311B1 (de)
DE (1) DE69221574T2 (de)
TW (1) TW323867U (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5872587A (en) * 1991-07-16 1999-02-16 Minolta Co., Ltd. Light signal generating device with reduced light leakage
JP3115453B2 (ja) * 1992-12-28 2000-12-04 三菱電機株式会社 サーマルヘッドおよび感熱記録装置
JP2943609B2 (ja) * 1994-06-21 1999-08-30 トヨタ自動車株式会社 蓄熱装置
JP3081986B2 (ja) * 1995-11-16 2000-08-28 セイコーインスツルメンツ株式会社 小型プリンタ
CN1784108A (zh) 2000-06-19 2006-06-07 国际整流器有限公司 内部和外部元件最少的镇流控制集成电路
JP2008068442A (ja) * 2006-09-12 2008-03-27 Shinko Electric Co Ltd サーマルヘッド及びプリンタ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU567487B2 (en) * 1982-01-25 1987-11-26 Sony Corporation Thermal printer
JPS609772A (ja) * 1983-06-29 1985-01-18 Fuji Xerox Co Ltd 感熱記録方式
US4779102A (en) * 1985-12-05 1988-10-18 Ricoh Company, Ltd. Head drive system for a thermal printer
JPS63218375A (ja) * 1987-03-09 1988-09-12 Mitsubishi Electric Corp サ−マルヘツドの帯電防止方法
US4745413A (en) * 1987-06-03 1988-05-17 Eastman Kodak Company Energizing heating elements of a thermal printer
JPH02269064A (ja) * 1989-04-11 1990-11-02 Oki Electric Ind Co Ltd サーマルヘッド
JPH0371859A (ja) * 1989-08-11 1991-03-27 Nec Corp サーマルヘッド

Also Published As

Publication number Publication date
JPH0596769A (ja) 1993-04-20
KR930009340A (ko) 1993-05-22
EP0537680B1 (de) 1997-08-13
US5349623A (en) 1994-09-20
TW323867U (en) 1997-12-21
EP0537680A1 (de) 1993-04-21
KR960014311B1 (ko) 1996-10-15
DE69221574T2 (de) 1998-03-26

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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