JPS56117670A - Thermal printer - Google Patents

Thermal printer

Info

Publication number
JPS56117670A
JPS56117670A JP1907080A JP1907080A JPS56117670A JP S56117670 A JPS56117670 A JP S56117670A JP 1907080 A JP1907080 A JP 1907080A JP 1907080 A JP1907080 A JP 1907080A JP S56117670 A JPS56117670 A JP S56117670A
Authority
JP
Japan
Prior art keywords
character
blank
thermal printer
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
JP1907080A
Other languages
Japanese (ja)
Inventor
Yoichi Kawabata
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 JP1907080A priority Critical patent/JPS56117670A/en
Publication of JPS56117670A publication Critical patent/JPS56117670A/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
    • B41J2/35—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

Abstract

PURPOSE:To speed up a printing action by providing a means to detect a character code for a blank character and a means to omit the heating action of a thermal head when a blank character is detected at a thermal printer. CONSTITUTION:In the control circuit of a thermal printer where an output from a latch circuit 1 where a character code is input is input to a head driver 3 through the intermediary of a character generator 2, and a thermal head 4 is heated at a drive signal from the head driver 3 to carry out a dot pattern printing, a blank detection circuit 5 is provided. When a character code for a blank character is detected by means of the detection circuit 5, the heating time of the thermal head is shortened in such way that it may be such duration as to be almost ignored, and a carrige motor 8 is started immediately. At the same time, a carriage is shifted by one character in a blank spot. Under this constitution, a printing action duration can be cut short.
JP1907080A 1980-02-20 1980-02-20 Thermal printer Pending JPS56117670A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1907080A JPS56117670A (en) 1980-02-20 1980-02-20 Thermal printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1907080A JPS56117670A (en) 1980-02-20 1980-02-20 Thermal printer

Publications (1)

Publication Number Publication Date
JPS56117670A true JPS56117670A (en) 1981-09-16

Family

ID=11989164

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1907080A Pending JPS56117670A (en) 1980-02-20 1980-02-20 Thermal printer

Country Status (1)

Country Link
JP (1) JPS56117670A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59146873A (en) * 1983-02-10 1984-08-22 Rohm Co Ltd Driving circuit for thermal printing head
US5056018A (en) * 1988-10-27 1991-10-08 Sharp Kabushiki Kaisha Printer with improved power-failure restart function
EP2441585A1 (en) * 2010-10-14 2012-04-18 Seiko Instruments Inc. Printing Apparatus and Printing Control Method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59146873A (en) * 1983-02-10 1984-08-22 Rohm Co Ltd Driving circuit for thermal printing head
US5056018A (en) * 1988-10-27 1991-10-08 Sharp Kabushiki Kaisha Printer with improved power-failure restart function
EP2441585A1 (en) * 2010-10-14 2012-04-18 Seiko Instruments Inc. Printing Apparatus and Printing Control Method

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