JPS53123826A - Motor speed controlling device - Google Patents

Motor speed controlling device

Info

Publication number
JPS53123826A
JPS53123826A JP3847077A JP3847077A JPS53123826A JP S53123826 A JPS53123826 A JP S53123826A JP 3847077 A JP3847077 A JP 3847077A JP 3847077 A JP3847077 A JP 3847077A JP S53123826 A JPS53123826 A JP S53123826A
Authority
JP
Japan
Prior art keywords
speed controlling
motor speed
controlling device
feed back
back signal
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
JP3847077A
Other languages
Japanese (ja)
Inventor
Yojiro Miyahara
Kenzo Kamiyama
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 JP3847077A priority Critical patent/JPS53123826A/en
Publication of JPS53123826A publication Critical patent/JPS53123826A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Direct Current Motors (AREA)

Abstract

PURPOSE: To devise an improvement of a speed controlling performance by providing a polarity reversing device of a current feed back signal and a device adding this output to a current feed back signal to cancell it, and by making a current feed back signal to zero at a current interrupting time of a motor.
COPYRIGHT: (C)1978,JPO&Japio
JP3847077A 1977-04-06 1977-04-06 Motor speed controlling device Pending JPS53123826A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3847077A JPS53123826A (en) 1977-04-06 1977-04-06 Motor speed controlling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3847077A JPS53123826A (en) 1977-04-06 1977-04-06 Motor speed controlling device

Publications (1)

Publication Number Publication Date
JPS53123826A true JPS53123826A (en) 1978-10-28

Family

ID=12526119

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3847077A Pending JPS53123826A (en) 1977-04-06 1977-04-06 Motor speed controlling device

Country Status (1)

Country Link
JP (1) JPS53123826A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS583590A (en) * 1981-06-24 1983-01-10 Mitsubishi Electric Corp Digital speed controller for dc motor
US5090373A (en) * 1990-11-30 1992-02-25 Ryohei Kashiwara Auxiliary device attachable to a convention spark plug

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS583590A (en) * 1981-06-24 1983-01-10 Mitsubishi Electric Corp Digital speed controller for dc motor
JPH0121713B2 (en) * 1981-06-24 1989-04-21 Mitsubishi Electric Corp
US5090373A (en) * 1990-11-30 1992-02-25 Ryohei Kashiwara Auxiliary device attachable to a convention spark plug

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