JPS6439276A - Dc motor control circuit for printer - Google Patents

Dc motor control circuit for printer

Info

Publication number
JPS6439276A
JPS6439276A JP19234287A JP19234287A JPS6439276A JP S6439276 A JPS6439276 A JP S6439276A JP 19234287 A JP19234287 A JP 19234287A JP 19234287 A JP19234287 A JP 19234287A JP S6439276 A JPS6439276 A JP S6439276A
Authority
JP
Japan
Prior art keywords
motor
printer
power source
circuit
holding
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
JP19234287A
Other languages
Japanese (ja)
Inventor
Shunichi Ito
Yoshinori Takahashi
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP19234287A priority Critical patent/JPS6439276A/en
Publication of JPS6439276A publication Critical patent/JPS6439276A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE:To shorten moving distance between high speed moving state and stopped state, by holding a switching element necessary for short-circuiting a DC motor in ON state immediately after turning OFF of power source for a printer. CONSTITUTION:A control circuit for a DC motor in a serial printer comprises a DC power E source for driving, a bridge circuit constituted with driving transistors(Tr)1-4, diodes D1-D4 for auxiliary Tr5-6 and the like. Tr7-8 for holding circuit, a control power source D2 for holding circuit, an inverter IN, pull-up resistors R3-R6 and the like are additionally provided. When the power source for the printer is turned OFF, two Tr3-4 connected with one pole of the DC power source 2 are turned ON, and a short circuit is formed through any one of Tr selected in accordance with the rotary direction of DC motor and two diodes for the voltage produced through continuous rotation of DC motor, and brake operation is carried out through the short circuit current.
JP19234287A 1987-07-31 1987-07-31 Dc motor control circuit for printer Pending JPS6439276A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19234287A JPS6439276A (en) 1987-07-31 1987-07-31 Dc motor control circuit for printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19234287A JPS6439276A (en) 1987-07-31 1987-07-31 Dc motor control circuit for printer

Publications (1)

Publication Number Publication Date
JPS6439276A true JPS6439276A (en) 1989-02-09

Family

ID=16289678

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19234287A Pending JPS6439276A (en) 1987-07-31 1987-07-31 Dc motor control circuit for printer

Country Status (1)

Country Link
JP (1) JPS6439276A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007174897A (en) * 2005-12-23 2007-07-05 Taida Electronic Ind Co Ltd Fan system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007174897A (en) * 2005-12-23 2007-07-05 Taida Electronic Ind Co Ltd Fan system

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