JPS5335879A - Voice coil motor control system - Google Patents

Voice coil motor control system

Info

Publication number
JPS5335879A
JPS5335879A JP11033776A JP11033776A JPS5335879A JP S5335879 A JPS5335879 A JP S5335879A JP 11033776 A JP11033776 A JP 11033776A JP 11033776 A JP11033776 A JP 11033776A JP S5335879 A JPS5335879 A JP S5335879A
Authority
JP
Japan
Prior art keywords
control system
voice coil
coil motor
motor control
seek
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
JP11033776A
Other languages
Japanese (ja)
Other versions
JPS5942886B2 (en
Inventor
Toyoyuki Kotegawa
Katsuji Mori
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP11033776A priority Critical patent/JPS5942886B2/en
Publication of JPS5335879A publication Critical patent/JPS5335879A/en
Publication of JPS5942886B2 publication Critical patent/JPS5942886B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Moving Of Head For Track Selection And Changing (AREA)
  • Feedback Control In General (AREA)
  • Control Of Position Or Direction (AREA)

Abstract

PURPOSE: To prevent excessive deceleration and to shorten seek time by means of decelerating along distance velocity curve to meet lag in time decided by each seek condition in an electrical machinery control system using a voice coil motor.
COPYRIGHT: (C)1978,JPO&Japio
JP11033776A 1976-09-14 1976-09-14 Voice coil motor control device Expired JPS5942886B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11033776A JPS5942886B2 (en) 1976-09-14 1976-09-14 Voice coil motor control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11033776A JPS5942886B2 (en) 1976-09-14 1976-09-14 Voice coil motor control device

Publications (2)

Publication Number Publication Date
JPS5335879A true JPS5335879A (en) 1978-04-03
JPS5942886B2 JPS5942886B2 (en) 1984-10-18

Family

ID=14533185

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11033776A Expired JPS5942886B2 (en) 1976-09-14 1976-09-14 Voice coil motor control device

Country Status (1)

Country Link
JP (1) JPS5942886B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58153276A (en) * 1982-03-05 1983-09-12 Hitachi Ltd Access controlling circuit
JPS59121409A (en) * 1982-12-28 1984-07-13 Ube Ind Ltd Method and device for positioning control
JPS59217272A (en) * 1983-05-23 1984-12-07 Toshiba Corp Magnetic head controller
EP0700943A1 (en) 1994-08-18 1996-03-13 Chisso Corporation A highly stiff propylene-ethylene block copolymer composition and a process for producing the same
US5854355A (en) * 1995-04-24 1998-12-29 Chisso Corporation Continuous process for preparation of highly rigid propylene-ethylene block copolymers

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58153276A (en) * 1982-03-05 1983-09-12 Hitachi Ltd Access controlling circuit
JPS59121409A (en) * 1982-12-28 1984-07-13 Ube Ind Ltd Method and device for positioning control
JPS59217272A (en) * 1983-05-23 1984-12-07 Toshiba Corp Magnetic head controller
EP0700943A1 (en) 1994-08-18 1996-03-13 Chisso Corporation A highly stiff propylene-ethylene block copolymer composition and a process for producing the same
US5672658A (en) * 1994-08-18 1997-09-30 Chisso Corporation Highly stiff propylene-ethylene block copolymer composition and a process for producing the same
US5854355A (en) * 1995-04-24 1998-12-29 Chisso Corporation Continuous process for preparation of highly rigid propylene-ethylene block copolymers

Also Published As

Publication number Publication date
JPS5942886B2 (en) 1984-10-18

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