JPH0322665B2 - - Google Patents

Info

Publication number
JPH0322665B2
JPH0322665B2 JP59021301A JP2130184A JPH0322665B2 JP H0322665 B2 JPH0322665 B2 JP H0322665B2 JP 59021301 A JP59021301 A JP 59021301A JP 2130184 A JP2130184 A JP 2130184A JP H0322665 B2 JPH0322665 B2 JP H0322665B2
Authority
JP
Japan
Prior art keywords
transistor
disk
motor
disk rotation
head
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.)
Expired - Lifetime
Application number
JP59021301A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60164959A (ja
Inventor
Yoshiaki Sakai
Juji Tsuyukuchi
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.)
Teac Corp
Original Assignee
Teac 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 Teac Corp filed Critical Teac Corp
Priority to JP59021301A priority Critical patent/JPS60164959A/ja
Priority to KR1019850000625A priority patent/KR890005012B1/ko
Priority to US06/699,084 priority patent/US4691255A/en
Publication of JPS60164959A publication Critical patent/JPS60164959A/ja
Publication of JPH0322665B2 publication Critical patent/JPH0322665B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof

Landscapes

  • Moving Of Head For Track Selection And Changing (AREA)
  • Rotational Drive Of Disk (AREA)
  • Control Of Stepping Motors (AREA)
  • Moving Of Heads (AREA)
JP59021301A 1984-02-08 1984-02-08 磁気デイスク装置 Granted JPS60164959A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP59021301A JPS60164959A (ja) 1984-02-08 1984-02-08 磁気デイスク装置
KR1019850000625A KR890005012B1 (ko) 1984-02-08 1985-02-01 자기 디스크장치
US06/699,084 US4691255A (en) 1984-02-08 1985-02-07 Power saving circuit arrangement for data transfer apparatus with a disklike record medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59021301A JPS60164959A (ja) 1984-02-08 1984-02-08 磁気デイスク装置

Publications (2)

Publication Number Publication Date
JPS60164959A JPS60164959A (ja) 1985-08-28
JPH0322665B2 true JPH0322665B2 (en]) 1991-03-27

Family

ID=12051318

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59021301A Granted JPS60164959A (ja) 1984-02-08 1984-02-08 磁気デイスク装置

Country Status (3)

Country Link
US (1) US4691255A (en])
JP (1) JPS60164959A (en])
KR (1) KR890005012B1 (en])

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0362358A (ja) * 1989-07-31 1991-03-18 Toshiba Corp 磁気ディスク装置のモータ駆動制御装置
US5006923A (en) * 1989-09-14 1991-04-09 Litton Systems, Inc. Stackable multilayer substrate for mounting integrated circuits
JPH04102259A (ja) * 1990-08-21 1992-04-03 Teac Corp ディスク装置
US5550403A (en) * 1994-06-02 1996-08-27 Lsi Logic Corporation Improved laminate package for an integrated circuit and integrated circuit having such a package
US5481733A (en) * 1994-06-15 1996-01-02 Panasonic Technologies, Inc. Method for managing the power distributed to a disk drive in a laptop computer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5694986A (en) * 1979-12-27 1981-07-31 Fujitsu Ltd Motor protecting circuit
JPS56134357A (en) * 1980-03-22 1981-10-21 Canon Inc Driving control unit
US4388572A (en) * 1980-05-15 1983-06-14 Sybron Corporation Constant speed regulator for DC motors
JPS5737776A (en) * 1980-08-16 1982-03-02 Pioneer Electronic Corp Control system of record player
JPS57164473A (en) * 1981-03-31 1982-10-09 Fujitsu Ltd Magnetic disk device
JPS5829177A (ja) * 1981-08-12 1983-02-21 Toshiba Corp 磁気デイスク装置の電源供給制御回路
JPS58164062A (ja) * 1982-03-24 1983-09-28 Teac Co 磁気デイスク装置
JPS58211359A (ja) * 1982-06-01 1983-12-08 Canon Inc 磁気デイスク装置

Also Published As

Publication number Publication date
JPS60164959A (ja) 1985-08-28
KR850006111A (ko) 1985-09-28
KR890005012B1 (ko) 1989-12-04
US4691255A (en) 1987-09-01

Similar Documents

Publication Publication Date Title
US6181502B1 (en) Faster access time in a disk drive by utilizing increased VCM potential voltage
US6342984B1 (en) Disk drive including DC to DC voltage converter for increasing voltage to its spindle motor and VCM
US5289097A (en) Spindle control method and apparatus for disk drive
US6094020A (en) Disk drive utilizing Bemf of spindle motor to increase VCM voltage during seeks
US6025968A (en) Load/unload disk drive with multistage retract circuit for parking the head carriers on power down
US7274529B2 (en) Disk drive with adaptive actuator braking upon unexpected power loss
US6600618B2 (en) Time domain voice coil motor control circuit and method
US6373650B1 (en) Voice coil motor control circuit having alternative modes of operation and method of operation thereof
JP3086443B2 (ja) 可変スピンドル回転スピードのための方法及び直接アクセス記憶装置（ｄａｓｄ）
JP4226998B2 (ja) ディスク記憶装置
US6377015B1 (en) Voice coil motor control apparatus for use in disk drives
KR930008149B1 (ko) 전력을 절약화한 데이타 기록 재생장치
US5001578A (en) Method and system for controlling disk recording and reproduction apparatus for reduced power consumption
JP2001057010A (ja) 磁気記録再生装置及び同装置における動作保証方法
US6922299B2 (en) Power saving method and apparatus for driving a spindle motor and voice coil motor in a disk drive
US5673242A (en) Method for controlling the spindle motor speed of an audio/video disk player
JPH0322665B2 (en])
JP3117658B2 (ja) Ｍｒヘッドを備えた磁気再生装置
US5965992A (en) Charging capacitor during track following in disk drive to provide increased VCM voltage during a seek
JPH0362374A (ja) ハードディスク制御装置
JPH0492254A (ja) ハードディスク記憶装置
JP2731206B2 (ja) 磁気ディスク装置
JP2000011533A (ja) ディスクドライブ装置
KR100260409B1 (ko) 자기디스크 드라이브에서 전력절감 및 모드 전환시간 최소화를 위한 방법과 그 장치
US20100061008A1 (en) Magnetic disk drive