JPS56123880A - Thermal head - Google Patents

Thermal head

Info

Publication number
JPS56123880A
JPS56123880A JP2616080A JP2616080A JPS56123880A JP S56123880 A JPS56123880 A JP S56123880A JP 2616080 A JP2616080 A JP 2616080A JP 2616080 A JP2616080 A JP 2616080A JP S56123880 A JPS56123880 A JP S56123880A
Authority
JP
Japan
Prior art keywords
heating elements
edge
level
output
substrate
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.)
Pending
Application number
JP2616080A
Other languages
Japanese (ja)
Inventor
Takamasa Hanakata
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2616080A priority Critical patent/JPS56123880A/en
Publication of JPS56123880A publication Critical patent/JPS56123880A/en
Pending 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
    • B41J2/345—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 characterised by the arrangement of resistors or conductors

Landscapes

  • Electronic Switches (AREA)

Abstract

PURPOSE:To arrange heating elements near the edge of a head substrate by connecting N+1 pieces of electrode at a position equivalent to every 1/N of a resistance formed by sequentially connecting heating elements in a thermal head consturcted by a row of longitudinally arranged heating elements. CONSTITUTION:Continuous heating elements 9 which construct a heat-generating resistance are installed near the edge of a ceramic or other substrate 8. N+1 pieces of electrode 10 (wherein N is the number of heating element) are linked together at a prearranged pitch (almost 1/N of the heat-generating resistance). A drive circuit 22 in dots forming each heating element is determined by an input 19 and an output of the proceeding dot. That is, when either one of the input 19 and the output 20 of the proceeding dot is at ''L'' level and the other is at ''H'' level, the output 21 is at ''H'' level. In the head constituted in this manner, the quality of print is high and, in addition, the heating element is exceedingly close to the edge of the substrate, so the characters printed immediately before can be recognized visulally without being hidden by the heating elements.
JP2616080A 1980-03-04 1980-03-04 Thermal head Pending JPS56123880A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2616080A JPS56123880A (en) 1980-03-04 1980-03-04 Thermal head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2616080A JPS56123880A (en) 1980-03-04 1980-03-04 Thermal head

Publications (1)

Publication Number Publication Date
JPS56123880A true JPS56123880A (en) 1981-09-29

Family

ID=12185793

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2616080A Pending JPS56123880A (en) 1980-03-04 1980-03-04 Thermal head

Country Status (1)

Country Link
JP (1) JPS56123880A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0488806A2 (en) * 1990-11-30 1992-06-03 Canon Kabushiki Kaisha Ink jet recording head and driving circuit therefor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0488806A2 (en) * 1990-11-30 1992-06-03 Canon Kabushiki Kaisha Ink jet recording head and driving circuit therefor
US5504505A (en) * 1990-11-30 1996-04-02 Canon Kabushiki Kaisha Ink jet recording head and driving circuit therefor

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