JPS55118190A - Driver circuit for dot printer - Google Patents

Driver circuit for dot printer

Info

Publication number
JPS55118190A
JPS55118190A JP2480979A JP2480979A JPS55118190A JP S55118190 A JPS55118190 A JP S55118190A JP 2480979 A JP2480979 A JP 2480979A JP 2480979 A JP2480979 A JP 2480979A JP S55118190 A JPS55118190 A JP S55118190A
Authority
JP
Japan
Prior art keywords
timers
dot
driver circuit
solenoid
timer
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
JP2480979A
Other languages
Japanese (ja)
Inventor
Atsushi Shinozaki
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.)
Seiko Epson Corp
Epson Corp
Original Assignee
Seiko Epson Corp
Epson Corp
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 Seiko Epson Corp, Epson Corp filed Critical Seiko Epson Corp
Priority to JP2480979A priority Critical patent/JPS55118190A/en
Publication of JPS55118190A publication Critical patent/JPS55118190A/en
Pending legal-status Critical Current

Links

Landscapes

  • Dot-Matrix Printers And Others (AREA)

Abstract

PURPOSE: To perform both the high-speed half-dot printing and the normal printing without switching the driver circuit, by combining two timers and then setting the two timing.
CONSTITUTION: Both the 1st and 2nd timers 7 and 9 operate by the print signal, and the print command signals featuring the different timing are supplied to both timers. And the compensation is secured to the ample application time in order to form the dot. Thus the half-dot printing becomes possible. In the case of the half- dot printing, SRFF2 is set by the fall of print pulse 2, and solenoid 13 is sucked. And gate 6 is opened since timer 7 is under operation, and thus timer 9 is triggered. And the electric conduction of solenoid 13 is cut off after the set time.
COPYRIGHT: (C)1980,JPO&Japio
JP2480979A 1979-03-02 1979-03-02 Driver circuit for dot printer Pending JPS55118190A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2480979A JPS55118190A (en) 1979-03-02 1979-03-02 Driver circuit for dot printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2480979A JPS55118190A (en) 1979-03-02 1979-03-02 Driver circuit for dot printer

Publications (1)

Publication Number Publication Date
JPS55118190A true JPS55118190A (en) 1980-09-10

Family

ID=12148513

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2480979A Pending JPS55118190A (en) 1979-03-02 1979-03-02 Driver circuit for dot printer

Country Status (1)

Country Link
JP (1) JPS55118190A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59178259A (en) * 1983-03-29 1984-10-09 Fujitsu Ltd Printing control system
JPS61192560A (en) * 1985-02-20 1986-08-27 Hitachi Ltd Dot control system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5457836A (en) * 1977-10-15 1979-05-10 Fujitsu Ltd Repetitive excitation system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5457836A (en) * 1977-10-15 1979-05-10 Fujitsu Ltd Repetitive excitation system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59178259A (en) * 1983-03-29 1984-10-09 Fujitsu Ltd Printing control system
JPS61192560A (en) * 1985-02-20 1986-08-27 Hitachi Ltd Dot control system
JPH047909B2 (en) * 1985-02-20 1992-02-13 Hitachi Seisakusho Kk

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