JPS5743888A - Control of speed of dc motor in serial printer - Google Patents

Control of speed of dc motor in serial printer

Info

Publication number
JPS5743888A
JPS5743888A JP12019480A JP12019480A JPS5743888A JP S5743888 A JPS5743888 A JP S5743888A JP 12019480 A JP12019480 A JP 12019480A JP 12019480 A JP12019480 A JP 12019480A JP S5743888 A JPS5743888 A JP S5743888A
Authority
JP
Japan
Prior art keywords
motor
speed
printing
control
carrier
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
JP12019480A
Other languages
Japanese (ja)
Inventor
Mari Nagayama
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP12019480A priority Critical patent/JPS5743888A/en
Publication of JPS5743888A publication Critical patent/JPS5743888A/en
Pending legal-status Critical Current

Links

Landscapes

  • Character Spaces And Line Spaces In Printers (AREA)
  • Stopping Of Electric Motors (AREA)

Abstract

PURPOSE: To keep dot intervals constant and raise the quality of prints by a method in which the first control is given to make the speed of a DC motor lower at a time when printing is ended on the DC motor for driving carrier, and then the second control is given to stop the DC motor.
CONSTITUTION: When stopping a DC type space motor 8 for spacing a carrier 6 loading a printing head 5 in a serial printer, braking operation is made two-stepwise. In short, at a time when printing information is zeroed, the primary braking is made to lower the speed of the motor to a low speed at which quick stoppage is possible, the number of dot pulse from the zone pulse following the printing zone is started to count, and when the number of the dot pulse reahes a given value, the secondary braking is made to stop the motor completely. Thus, since the carrier 6 can be stopped near the middle point of the zone section 1, a suffiient preliminary running distance can be always secured regardless of the magnitude of viscosity, etc., in sliding portion.
COPYRIGHT: (C)1982,JPO&Japio
JP12019480A 1980-08-30 1980-08-30 Control of speed of dc motor in serial printer Pending JPS5743888A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12019480A JPS5743888A (en) 1980-08-30 1980-08-30 Control of speed of dc motor in serial printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12019480A JPS5743888A (en) 1980-08-30 1980-08-30 Control of speed of dc motor in serial printer

Publications (1)

Publication Number Publication Date
JPS5743888A true JPS5743888A (en) 1982-03-12

Family

ID=14780232

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12019480A Pending JPS5743888A (en) 1980-08-30 1980-08-30 Control of speed of dc motor in serial printer

Country Status (1)

Country Link
JP (1) JPS5743888A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6024978A (en) * 1983-07-20 1985-02-07 Canon Inc Serial printer
US7106015B2 (en) 2004-02-27 2006-09-12 Brother Kogyo Kabushiki Kaisha Motor control device and motor control method
WO2009066540A1 (en) * 2007-11-22 2009-05-28 Ricoh Company, Ltd. Image forming apparatus
JP2013208832A (en) * 2012-03-30 2013-10-10 Brother Industries Ltd Image forming apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6024978A (en) * 1983-07-20 1985-02-07 Canon Inc Serial printer
US7106015B2 (en) 2004-02-27 2006-09-12 Brother Kogyo Kabushiki Kaisha Motor control device and motor control method
WO2009066540A1 (en) * 2007-11-22 2009-05-28 Ricoh Company, Ltd. Image forming apparatus
JP2009126049A (en) * 2007-11-22 2009-06-11 Ricoh Co Ltd Image forming apparatus
US8177313B2 (en) 2007-11-22 2012-05-15 Ricoh Company, Ltd. Image forming apparatus
JP2013208832A (en) * 2012-03-30 2013-10-10 Brother Industries Ltd Image forming apparatus

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