JPS55106095A - Brushless dc motor - Google Patents

Brushless dc motor

Info

Publication number
JPS55106095A
JPS55106095A JP1360679A JP1360679A JPS55106095A JP S55106095 A JPS55106095 A JP S55106095A JP 1360679 A JP1360679 A JP 1360679A JP 1360679 A JP1360679 A JP 1360679A JP S55106095 A JPS55106095 A JP S55106095A
Authority
JP
Japan
Prior art keywords
memories
magnetic field
rotor
rotational speed
information
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.)
Granted
Application number
JP1360679A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6235356B2 (enrdf_load_stackoverflow
Inventor
Hiroyuki Yamauchi
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP1360679A priority Critical patent/JPS55106095A/ja
Publication of JPS55106095A publication Critical patent/JPS55106095A/ja
Publication of JPS6235356B2 publication Critical patent/JPS6235356B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)
JP1360679A 1979-02-08 1979-02-08 Brushless dc motor Granted JPS55106095A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1360679A JPS55106095A (en) 1979-02-08 1979-02-08 Brushless dc motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1360679A JPS55106095A (en) 1979-02-08 1979-02-08 Brushless dc motor

Publications (2)

Publication Number Publication Date
JPS55106095A true JPS55106095A (en) 1980-08-14
JPS6235356B2 JPS6235356B2 (enrdf_load_stackoverflow) 1987-07-31

Family

ID=11837885

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1360679A Granted JPS55106095A (en) 1979-02-08 1979-02-08 Brushless dc motor

Country Status (1)

Country Link
JP (1) JPS55106095A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60198425A (ja) * 1984-03-23 1985-10-07 Kataoka Kikai Seisakusho:Kk 巻取張力制御装置
US4697125A (en) * 1986-03-24 1987-09-29 Performance Controls, Inc. Method and apparatus for determining shaft position and for providing commutation signals
US5886489A (en) * 1996-12-04 1999-03-23 International Business Machines Corporation Apparatus and method for reducing spindle power and acoustic noise in a disk drive

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60198425A (ja) * 1984-03-23 1985-10-07 Kataoka Kikai Seisakusho:Kk 巻取張力制御装置
US4697125A (en) * 1986-03-24 1987-09-29 Performance Controls, Inc. Method and apparatus for determining shaft position and for providing commutation signals
US5886489A (en) * 1996-12-04 1999-03-23 International Business Machines Corporation Apparatus and method for reducing spindle power and acoustic noise in a disk drive

Also Published As

Publication number Publication date
JPS6235356B2 (enrdf_load_stackoverflow) 1987-07-31

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