GB9017192D0 - Spindle motor - Google Patents

Spindle motor

Info

Publication number
GB9017192D0
GB9017192D0 GB909017192A GB9017192A GB9017192D0 GB 9017192 D0 GB9017192 D0 GB 9017192D0 GB 909017192 A GB909017192 A GB 909017192A GB 9017192 A GB9017192 A GB 9017192A GB 9017192 D0 GB9017192 D0 GB 9017192D0
Authority
GB
United Kingdom
Prior art keywords
spindle motor
spindle
motor
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.)
Withdrawn
Application number
GB909017192A
Other versions
GB2235098A (en
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.)
Tokico Ltd
Original Assignee
Tokico 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 Tokico Ltd filed Critical Tokico Ltd
Publication of GB9017192D0 publication Critical patent/GB9017192D0/en
Publication of GB2235098A publication Critical patent/GB2235098A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/20—Arrangements for starting

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Control Of Stepping Motors (AREA)
GB9017192A 1989-08-18 1990-08-06 Spindle motor control arrangement Withdrawn GB2235098A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1212367A JPH0378499A (en) 1989-08-18 1989-08-18 Spindle motor

Publications (2)

Publication Number Publication Date
GB9017192D0 true GB9017192D0 (en) 1990-09-19
GB2235098A GB2235098A (en) 1991-02-20

Family

ID=16621386

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9017192A Withdrawn GB2235098A (en) 1989-08-18 1990-08-06 Spindle motor control arrangement

Country Status (3)

Country Link
JP (1) JPH0378499A (en)
DE (1) DE4025087A1 (en)
GB (1) GB2235098A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2266816A (en) * 1992-04-03 1993-11-10 Cookson Group Plc Speed/torque control of electric motors
GB2319908B (en) * 1996-11-28 2000-09-13 Pwm Drives Limited Self-starting and direction control of two-phase switched reluctance machines
GB9920988D0 (en) * 1999-09-07 1999-11-10 Trw Lucas Varity Electric Motor control

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56501705A (en) * 1979-12-07 1981-11-19
DE3012833A1 (en) * 1980-04-02 1981-10-22 Robert Bosch Gmbh, 7000 Stuttgart DC voltage source supply circuit for sync. motor - measures unconnected stator windings induced voltages and determines timing using comparator
US4479078A (en) * 1980-06-20 1984-10-23 Kollmorgen Technologies Corporation Brushless motor controller
GB2113028B (en) * 1981-12-31 1986-09-03 Burroughs Corp Data disc rotating systems
US4514675A (en) * 1983-01-14 1985-04-30 Kanars Data Corporation Electronic damper for pulse motor
DD228432A3 (en) * 1983-01-27 1985-10-09 Robotron Bueromasch METHOD FOR OPERATING A TWO-PHASE PERMANENT MAGNETIC STEPPER MOTOR WITH UNIPOLAR CONTROL
US4558264A (en) * 1984-10-18 1985-12-10 General Electric Company Current control method and circuit for electronically-commutated motors
JPH082189B2 (en) * 1986-09-09 1996-01-10 日本電装株式会社 DC brushless motor controller
GB2199167B (en) * 1986-11-29 1991-02-20 Papst Motoren Gmbh & Co Kg Rotary drive for a data storage medium
US4743815A (en) * 1987-09-01 1988-05-10 Emerson Electric Co. Brushless permanent magnet motor system

Also Published As

Publication number Publication date
JPH0378499A (en) 1991-04-03
GB2235098A (en) 1991-02-20
DE4025087A1 (en) 1991-02-21

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)