JPS5266914A - Speed controlling circuit of dc motor - Google Patents

Speed controlling circuit of dc motor

Info

Publication number
JPS5266914A
JPS5266914A JP50142258A JP14225875A JPS5266914A JP S5266914 A JPS5266914 A JP S5266914A JP 50142258 A JP50142258 A JP 50142258A JP 14225875 A JP14225875 A JP 14225875A JP S5266914 A JPS5266914 A JP S5266914A
Authority
JP
Japan
Prior art keywords
controlling circuit
motor
speed controlling
speed
characteric
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
JP50142258A
Other languages
Japanese (ja)
Inventor
Shigeki Morinaga
Kazuo Onishi
Tadashi 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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50142258A priority Critical patent/JPS5266914A/en
Publication of JPS5266914A publication Critical patent/JPS5266914A/en
Pending legal-status Critical Current

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  • Control Of Direct Current Motors (AREA)

Abstract

PURPOSE: To provide an excellent load characteric to a speed controlling circuit by connecting a compensating operational amplifier an d an exponential function generator on a resistance bridge detecting terminal generating a voltage proportional to a motor speed.
COPYRIGHT: (C)1977,JPO&Japio
JP50142258A 1975-12-01 1975-12-01 Speed controlling circuit of dc motor Pending JPS5266914A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50142258A JPS5266914A (en) 1975-12-01 1975-12-01 Speed controlling circuit of dc motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50142258A JPS5266914A (en) 1975-12-01 1975-12-01 Speed controlling circuit of dc motor

Publications (1)

Publication Number Publication Date
JPS5266914A true JPS5266914A (en) 1977-06-02

Family

ID=15311131

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50142258A Pending JPS5266914A (en) 1975-12-01 1975-12-01 Speed controlling circuit of dc motor

Country Status (1)

Country Link
JP (1) JPS5266914A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57138889A (en) * 1981-02-19 1982-08-27 Matsushita Electric Ind Co Ltd Current limiting circuit for dc motor
JPS57183654A (en) * 1981-05-07 1982-11-12 Pioneer Electronic Corp Driving device of reel motor
JPS5850001A (en) * 1981-09-18 1983-03-24 Matsushita Electric Ind Co Ltd Temperature control setting circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57138889A (en) * 1981-02-19 1982-08-27 Matsushita Electric Ind Co Ltd Current limiting circuit for dc motor
JPS57183654A (en) * 1981-05-07 1982-11-12 Pioneer Electronic Corp Driving device of reel motor
JPS5850001A (en) * 1981-09-18 1983-03-24 Matsushita Electric Ind Co Ltd Temperature control setting circuit

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