JPS6460278A - Drive circuit for dc motor - Google Patents

Drive circuit for dc motor

Info

Publication number
JPS6460278A
JPS6460278A JP21517887A JP21517887A JPS6460278A JP S6460278 A JPS6460278 A JP S6460278A JP 21517887 A JP21517887 A JP 21517887A JP 21517887 A JP21517887 A JP 21517887A JP S6460278 A JPS6460278 A JP S6460278A
Authority
JP
Japan
Prior art keywords
motor
stop
resistor
drive circuit
current
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
JP21517887A
Other languages
Japanese (ja)
Inventor
Satoru Ogawa
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.)
Canon Electronics Inc
Original Assignee
Canon Electronics Inc
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 Canon Electronics Inc filed Critical Canon Electronics Inc
Priority to JP21517887A priority Critical patent/JPS6460278A/en
Publication of JPS6460278A publication Critical patent/JPS6460278A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To stop a motor surely at its home position, by connecting a bypass resistance between the motor terminals in a DC motor drive circuit. CONSTITUTION:A drive circuit of a DC motor 1 is composed of a switch 2 to start or stop the DC motor 1 and a driver IC3 to drive the DC motor. On this occasion, a bypass resistor 4 is installed to the motor terminals so that it may be connected in parallel to the DC motor 1. Thus, when the switch 2 is closed and the DC motor 1 is being driven, drive current Ii flows. In case the resistor 4 is connected between the terminals of the DC motor 1, current Ir will flow to the resistor 4 by the electromotive force of the DC motor 1 immediately after the stop of supply of the drive current Ii. This current Ir can stop the revolutions of the DC motor 1 quickly as it is consumed at the resistor 4.
JP21517887A 1987-08-31 1987-08-31 Drive circuit for dc motor Pending JPS6460278A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21517887A JPS6460278A (en) 1987-08-31 1987-08-31 Drive circuit for dc motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21517887A JPS6460278A (en) 1987-08-31 1987-08-31 Drive circuit for dc motor

Publications (1)

Publication Number Publication Date
JPS6460278A true JPS6460278A (en) 1989-03-07

Family

ID=16667961

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21517887A Pending JPS6460278A (en) 1987-08-31 1987-08-31 Drive circuit for dc motor

Country Status (1)

Country Link
JP (1) JPS6460278A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6547029B2 (en) * 2001-09-10 2003-04-15 Trw Inc. Vehicle steering apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS505808B2 (en) * 1971-02-24 1975-03-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS505808B2 (en) * 1971-02-24 1975-03-07

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6547029B2 (en) * 2001-09-10 2003-04-15 Trw Inc. Vehicle steering apparatus

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