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JPS5772879A - Control system of thermal printer - Google Patents

Control system of thermal printer

Info

Publication number
JPS5772879A
JPS5772879A JP14928680A JP14928680A JPS5772879A JP S5772879 A JPS5772879 A JP S5772879A JP 14928680 A JP14928680 A JP 14928680A JP 14928680 A JP14928680 A JP 14928680A JP S5772879 A JPS5772879 A JP S5772879A
Authority
JP
Japan
Prior art keywords
signal
time
circuit
printing
reset
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
JP14928680A
Other languages
Japanese (ja)
Inventor
Takeshi Yasuda
Kazuyoshi Watanabe
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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer 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 Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Priority to JP14928680A priority Critical patent/JPS5772879A/en
Priority to US06/310,840 priority patent/US4409599A/en
Priority to GB8130796A priority patent/GB2086628B/en
Priority to DE3141953A priority patent/DE3141953C2/en
Publication of JPS5772879A publication Critical patent/JPS5772879A/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
    • B41J2/36—Print density control

Landscapes

  • Electronic Switches (AREA)

Abstract

PURPOSE:To carry out readable printing by controlling a time applying dot pattern to a printing element corresponding to a dot number developed from a character generating circuit to make a density of a printed character uniform. CONSTITUTION:For example, when a character ''H'' is intended to be printed, a first printing position signal Tp is issued to apply a dot pattern signal to an AND circut 7 and, at the same time, an FF16 is set by said signal Tp and an ON-time signal N is applied to the AND circuit 7. As the result, voltage is applied to each printing element of the printing head. An applying time is a time until the signal N is stopped, that is, the FF is reset but, when line l1-l7 are in an ''1'' condition and an AND circuit 9 is ''1'', the FF16 is reset when a calculated value of a decoder 14 is reached to beta and, becuase the AND circuit 9 is ''0'' in a second-a fourth position signal, the FF16 is reset when the calculated value of the decoder 4 is reached to a value alpha smaller than beta.
JP14928680A 1980-10-27 1980-10-27 Control system of thermal printer Pending JPS5772879A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP14928680A JPS5772879A (en) 1980-10-27 1980-10-27 Control system of thermal printer
US06/310,840 US4409599A (en) 1980-10-27 1981-10-13 Printing control device for thermal printer
GB8130796A GB2086628B (en) 1980-10-27 1981-10-13 Printing control device for thermal printer
DE3141953A DE3141953C2 (en) 1980-10-27 1981-10-22 Print control device for a thermal printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14928680A JPS5772879A (en) 1980-10-27 1980-10-27 Control system of thermal printer

Publications (1)

Publication Number Publication Date
JPS5772879A true JPS5772879A (en) 1982-05-07

Family

ID=15471869

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14928680A Pending JPS5772879A (en) 1980-10-27 1980-10-27 Control system of thermal printer

Country Status (1)

Country Link
JP (1) JPS5772879A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6068975A (en) * 1983-09-27 1985-04-19 Mitsubishi Electric Corp Printing-controlling system
JPS6120338U (en) * 1984-07-10 1986-02-05 富士ゼロックス株式会社 Print density control device for thermal printers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6068975A (en) * 1983-09-27 1985-04-19 Mitsubishi Electric Corp Printing-controlling system
JPS6120338U (en) * 1984-07-10 1986-02-05 富士ゼロックス株式会社 Print density control device for thermal printers

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