JPS5412848A - Thermal head driving circuit - Google Patents

Thermal head driving circuit

Info

Publication number
JPS5412848A
JPS5412848A JP7804177A JP7804177A JPS5412848A JP S5412848 A JPS5412848 A JP S5412848A JP 7804177 A JP7804177 A JP 7804177A JP 7804177 A JP7804177 A JP 7804177A JP S5412848 A JPS5412848 A JP S5412848A
Authority
JP
Japan
Prior art keywords
thermal head
driving circuit
head driving
thermal
breaddown
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
JP7804177A
Other languages
Japanese (ja)
Inventor
Yukiyoshi Kumazawa
Kiyoshi Tsuchiya
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 JP7804177A priority Critical patent/JPS5412848A/en
Publication of JPS5412848A publication Critical patent/JPS5412848A/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
    • B41J2/375—Protection arrangements against overheating

Landscapes

  • Fax Reproducing Arrangements (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Electronic Switches (AREA)

Abstract

PURPOSE:To prevent thermal breaddown of a thermal head in advance, by starting it with a timing pulse setting a flip-flop circuit for regulating conducting time, and by adding a monostable multivibrator automatically returning at the set limit time.
JP7804177A 1977-06-30 1977-06-30 Thermal head driving circuit Pending JPS5412848A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7804177A JPS5412848A (en) 1977-06-30 1977-06-30 Thermal head driving circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7804177A JPS5412848A (en) 1977-06-30 1977-06-30 Thermal head driving circuit

Publications (1)

Publication Number Publication Date
JPS5412848A true JPS5412848A (en) 1979-01-30

Family

ID=13650737

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7804177A Pending JPS5412848A (en) 1977-06-30 1977-06-30 Thermal head driving circuit

Country Status (1)

Country Link
JP (1) JPS5412848A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5768346U (en) * 1980-10-14 1982-04-23
JPS58120048U (en) * 1982-02-10 1983-08-16 ソニー株式会社 thermal printer
JPS5929175A (en) * 1982-08-09 1984-02-16 Canon Inc Apparatus for controlling printing of thermal head
JPS59153239U (en) * 1983-03-31 1984-10-15 サンデン株式会社 Thermal head burnout prevention device
JPS59187878A (en) * 1983-04-11 1984-10-25 Canon Inc Recorder
JPS609642U (en) * 1983-06-30 1985-01-23 株式会社　モリタ製作所 Thermal printer drive circuit
JPS60210472A (en) * 1984-04-03 1985-10-22 Konishiroku Photo Ind Co Ltd Protective circuit for thermal head
JPS60224560A (en) * 1984-04-23 1985-11-08 Rohm Co Ltd Driving circuit of thermal printing head
JPS61947U (en) * 1984-06-09 1986-01-07 日置電機株式会社 thermal printer
JPS61139460A (en) * 1984-12-12 1986-06-26 Matsushita Graphic Commun Syst Inc Recorder
JPS61239963A (en) * 1985-04-18 1986-10-25 Fuji Xerox Co Ltd Apparatus for driving thermal head

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4988431A (en) * 1972-12-25 1974-08-23
JPS5056239A (en) * 1973-09-14 1975-05-16

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4988431A (en) * 1972-12-25 1974-08-23
JPS5056239A (en) * 1973-09-14 1975-05-16

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5768346U (en) * 1980-10-14 1982-04-23
JPS58120048U (en) * 1982-02-10 1983-08-16 ソニー株式会社 thermal printer
JPS5929175A (en) * 1982-08-09 1984-02-16 Canon Inc Apparatus for controlling printing of thermal head
JPS59153239U (en) * 1983-03-31 1984-10-15 サンデン株式会社 Thermal head burnout prevention device
JPS59187878A (en) * 1983-04-11 1984-10-25 Canon Inc Recorder
JPH0639179B2 (en) * 1983-04-11 1994-05-25 キヤノン株式会社 Recording device
JPH0315312Y2 (en) * 1983-06-30 1991-04-03
JPS609642U (en) * 1983-06-30 1985-01-23 株式会社　モリタ製作所 Thermal printer drive circuit
JPS60210472A (en) * 1984-04-03 1985-10-22 Konishiroku Photo Ind Co Ltd Protective circuit for thermal head
JPS60224560A (en) * 1984-04-23 1985-11-08 Rohm Co Ltd Driving circuit of thermal printing head
JPS61947U (en) * 1984-06-09 1986-01-07 日置電機株式会社 thermal printer
JPS61139460A (en) * 1984-12-12 1986-06-26 Matsushita Graphic Commun Syst Inc Recorder
JPS61239963A (en) * 1985-04-18 1986-10-25 Fuji Xerox Co Ltd Apparatus for driving thermal head

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