JPS57191077A - Thermal head - Google Patents

Thermal head

Info

Publication number
JPS57191077A
JPS57191077A JP7670481A JP7670481A JPS57191077A JP S57191077 A JPS57191077 A JP S57191077A JP 7670481 A JP7670481 A JP 7670481A JP 7670481 A JP7670481 A JP 7670481A JP S57191077 A JPS57191077 A JP S57191077A
Authority
JP
Japan
Prior art keywords
generating resistors
heat generating
common electrode
resistors
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.)
Pending
Application number
JP7670481A
Other languages
Japanese (ja)
Inventor
Koichi 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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP7670481A priority Critical patent/JPS57191077A/en
Publication of JPS57191077A publication Critical patent/JPS57191077A/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 obtain a thermal head easy to manufacture which is capable of drawing a fine image clearly by connecting a plurality of hat generating resistors staggered on both sides of a slender common electrode while a diode is connected in series to other ends thereof. CONSTITUTION:A plurality of heat generating resistors 351-352 are connected staggered at a specified space on both sides of a slender common electrode 31 and diodes 331, 332 are separately connected in series to the other ends of the heat generating resistors 351, 352 through lead wires 361, 362. Driving circuits 371 and 372 such as shift registers are connected to the other ends of the diodes 331 and 332 through lead wires 341-342. With such an arrangement, for example when attaining 8 bits/mm., the pitch of adjacent heat generating resistors remain unchanged at 0.125mm. even if the range of the common electrode is set at 0.25m, the range and the length of the heat generating resistors 351-352 0.10mm. and 0.25mm. respectively and the pitches of the resistors 351-352 0.25mm..
JP7670481A 1981-05-22 1981-05-22 Thermal head Pending JPS57191077A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7670481A JPS57191077A (en) 1981-05-22 1981-05-22 Thermal head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7670481A JPS57191077A (en) 1981-05-22 1981-05-22 Thermal head

Publications (1)

Publication Number Publication Date
JPS57191077A true JPS57191077A (en) 1982-11-24

Family

ID=13612898

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7670481A Pending JPS57191077A (en) 1981-05-22 1981-05-22 Thermal head

Country Status (1)

Country Link
JP (1) JPS57191077A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS585279A (en) * 1981-07-01 1983-01-12 Mitani Denshi Kogyo Kk Thermal head

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5359438A (en) * 1976-11-09 1978-05-29 Nippon Toki Kk Heat sensitive recording head
JPS5421352A (en) * 1977-07-14 1979-02-17 Northern Telecom Ltd Heat sensitive printing bar
JPS5444928A (en) * 1977-09-16 1979-04-09 Seiko Instr & Electronics Dot printer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5359438A (en) * 1976-11-09 1978-05-29 Nippon Toki Kk Heat sensitive recording head
JPS5421352A (en) * 1977-07-14 1979-02-17 Northern Telecom Ltd Heat sensitive printing bar
JPS5444928A (en) * 1977-09-16 1979-04-09 Seiko Instr & Electronics Dot printer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS585279A (en) * 1981-07-01 1983-01-12 Mitani Denshi Kogyo Kk Thermal head

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