JPS5960764A - ヘツド位置決め装置 - Google Patents

ヘツド位置決め装置

Info

Publication number
JPS5960764A
JPS5960764A JP17034782A JP17034782A JPS5960764A JP S5960764 A JPS5960764 A JP S5960764A JP 17034782 A JP17034782 A JP 17034782A JP 17034782 A JP17034782 A JP 17034782A JP S5960764 A JPS5960764 A JP S5960764A
Authority
JP
Japan
Prior art keywords
signal
speed
voice coil
circuit
coil 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.)
Granted
Application number
JP17034782A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0440793B2 (enrdf_load_stackoverflow
Inventor
Katsuhiko Kaida
海田　克彦
Yasuyoshi Oda
小田　泰敬
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP17034782A priority Critical patent/JPS5960764A/ja
Publication of JPS5960764A publication Critical patent/JPS5960764A/ja
Publication of JPH0440793B2 publication Critical patent/JPH0440793B2/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
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads

Landscapes

  • Moving Of Head For Track Selection And Changing (AREA)
  • Safety Devices In Control Systems (AREA)
JP17034782A 1982-09-29 1982-09-29 ヘツド位置決め装置 Granted JPS5960764A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17034782A JPS5960764A (ja) 1982-09-29 1982-09-29 ヘツド位置決め装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17034782A JPS5960764A (ja) 1982-09-29 1982-09-29 ヘツド位置決め装置

Publications (2)

Publication Number Publication Date
JPS5960764A true JPS5960764A (ja) 1984-04-06
JPH0440793B2 JPH0440793B2 (enrdf_load_stackoverflow) 1992-07-06

Family

ID=15903238

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17034782A Granted JPS5960764A (ja) 1982-09-29 1982-09-29 ヘツド位置決め装置

Country Status (1)

Country Link
JP (1) JPS5960764A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62239481A (ja) * 1986-04-10 1987-10-20 Canon Inc 情報記録再生装置
JPS62295280A (ja) * 1986-06-16 1987-12-22 Canon Inc 情報記録再生装置
JPH0778429A (ja) * 1993-09-10 1995-03-20 Nec Corp 磁気ヘッド位置決め装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52137309A (en) * 1976-05-12 1977-11-16 Hitachi Ltd Head runaway detection circuit
JPS54151785A (en) * 1978-05-20 1979-11-29 Fujitsu Ltd System for detecting abnormal speed of moving body
JPS5522207A (en) * 1978-07-28 1980-02-16 Nippon Telegr & Teleph Corp <Ntt> Control method for head positioning
JPS563468A (en) * 1979-06-21 1981-01-14 Toshiba Corp Magnetic disk device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52137309A (en) * 1976-05-12 1977-11-16 Hitachi Ltd Head runaway detection circuit
JPS54151785A (en) * 1978-05-20 1979-11-29 Fujitsu Ltd System for detecting abnormal speed of moving body
JPS5522207A (en) * 1978-07-28 1980-02-16 Nippon Telegr & Teleph Corp <Ntt> Control method for head positioning
JPS563468A (en) * 1979-06-21 1981-01-14 Toshiba Corp Magnetic disk device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62239481A (ja) * 1986-04-10 1987-10-20 Canon Inc 情報記録再生装置
JPS62295280A (ja) * 1986-06-16 1987-12-22 Canon Inc 情報記録再生装置
JPH0778429A (ja) * 1993-09-10 1995-03-20 Nec Corp 磁気ヘッド位置決め装置

Also Published As

Publication number Publication date
JPH0440793B2 (enrdf_load_stackoverflow) 1992-07-06

Similar Documents

Publication Publication Date Title
US4967291A (en) Method and apparatus for preventing an over-velocity error condition of a hard disk drive system
US4658308A (en) Method and apparatus for retracting head and braking motor of a disc drive device
JPS58218084A (ja) 磁気デイスク駆動機構非常ヘツド後退装置
JPS5960764A (ja) ヘツド位置決め装置
US3626264A (en) Velocity servosystem
US5633848A (en) Method and apparatus for cleaning an optical disk head on the basis of time accumulation
CA1306805C (en) Optical disk drive device
US3990108A (en) Magnetic tape speed control system
US4564872A (en) Magnetic head driving unit
US6989957B2 (en) Disk storage device
CA1127755A (en) Emergency head unload system for magnetic disk drive
JPS6252772A (ja) 磁気ヘツド制御方式
JP2731206B2 (ja) 磁気ディスク装置
JP2000251429A (ja) 磁気ディスク装置及び電源遮断時におけるヘッドアンロード方法
JPH03290880A (ja) 磁気ディスク装置の制御方式
US5355260A (en) Servo system for positioning a read/write head within a storage device with means for detecting malfunctions in the servo data
JPH0313671B2 (enrdf_load_stackoverflow)
KR100246791B1 (ko) 하드디스크구동장치의스핀들모터제어장치와방법
JP2633761B2 (ja) 磁気ディスク装置のヘッド位置決め制御装置
JPH05135377A (ja) 光ヘツドの近接トラツクへのジヤンプ制御装置
JPS62140279A (ja) 磁気ディスク装置のオフセットトルク補正回路
JPS58190840U (ja) 情報読取装置
JP2579805B2 (ja) 位置決め装置
JPH06180951A (ja) 移動体の異常速度検出方法及びその応用装置
JPH0279276A (ja) 磁気ディスク装置のキャリッジ異常速度検出回路