JPS5738174A - Driving apparatus for thermal head - Google Patents

Driving apparatus for thermal head

Info

Publication number
JPS5738174A
JPS5738174A JP11425480A JP11425480A JPS5738174A JP S5738174 A JPS5738174 A JP S5738174A JP 11425480 A JP11425480 A JP 11425480A JP 11425480 A JP11425480 A JP 11425480A JP S5738174 A JPS5738174 A JP S5738174A
Authority
JP
Japan
Prior art keywords
counter
gate
sent
clock signal
ff23
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
JP11425480A
Inventor
Kiyoshi Sone
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP11425480A priority Critical patent/JPS5738174A/en
Publication of JPS5738174A publication Critical patent/JPS5738174A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315Typewriters 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

Abstract

PURPOSE:To form a compact thermal head driving apparatus having a simple constitution without employing any diode matrix, by a method wherein picture signals are sent to shift registers through the control by means of a distributing circuit. CONSTITUTION:The starting signal ST applied through an inverter 24 clears a counter 21 and a JK type flip-flop (FF)23. Then, when a data enable signal EB is ''1'', a reference clock signal CK0 is inputted through an AND gate 20 to the counter 21. I: When the counted value becomes a given value K, however, the output Q of the FF23 is ''1'' while Q' is ''0'', so that a clock signal CK1 and the data DT1 of a picture signal DT0 are sent to a shift register on one side through an AND gate 27 and an AND gate 25 respectively. II: Then, when the value of the counter 21 becomes the given value K again, the output of the FF23 is inverted (Q is ''0'' while Q' is ''1''), so that a clock signal CK2 and data DT2 are sent to a shift register on the other side.
JP11425480A 1980-08-20 1980-08-20 Driving apparatus for thermal head Pending JPS5738174A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11425480A JPS5738174A (en) 1980-08-20 1980-08-20 Driving apparatus for thermal head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11425480A JPS5738174A (en) 1980-08-20 1980-08-20 Driving apparatus for thermal head

Publications (1)

Publication Number Publication Date
JPS5738174A true JPS5738174A (en) 1982-03-02

Family

ID=14633168

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11425480A Pending JPS5738174A (en) 1980-08-20 1980-08-20 Driving apparatus for thermal head

Country Status (1)

Country Link
JP (1) JPS5738174A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0604816A2 (en) * 1992-12-28 1994-07-06 Mitsubishi Denki Kabushiki Kaisha Thermal recording apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0604816A2 (en) * 1992-12-28 1994-07-06 Mitsubishi Denki Kabushiki Kaisha Thermal recording apparatus
EP0604816A3 (en) * 1992-12-28 1994-11-17 Mitsubishi Electric Corp Thermal recording apparatus.
US5610650A (en) * 1992-12-28 1997-03-11 Mitsubishi Denki Kabushiki Kaisha Electronic parts, thermal head, manufacturing method of the thermal head, and heat sensitive recording apparatus

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