JPH0416873B2 - - Google Patents

Info

Publication number
JPH0416873B2
JPH0416873B2 JP13896382A JP13896382A JPH0416873B2 JP H0416873 B2 JPH0416873 B2 JP H0416873B2 JP 13896382 A JP13896382 A JP 13896382A JP 13896382 A JP13896382 A JP 13896382A JP H0416873 B2 JPH0416873 B2 JP H0416873B2
Authority
JP
Japan
Prior art keywords
pulse motor
magnetic head
circuit
phase current
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
Application number
JP13896382A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5930269A (ja
Inventor
Atsutaka Morimoto
Yoshihiko Yanagawa
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch 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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP13896382A priority Critical patent/JPS5930269A/ja
Priority to US06/479,892 priority patent/US4581567A/en
Publication of JPS5930269A publication Critical patent/JPS5930269A/ja
Publication of JPH0416873B2 publication Critical patent/JPH0416873B2/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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
    • G11B5/59605—Circuits
    • G11B5/59611—Detection or processing of peak/envelop signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5565—Track change, selection or acquisition by displacement of the head across disk tracks system adaptation for compensation of variations of physical parameters, e.g. temperature
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Control Of Stepping Motors (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
JP13896382A 1982-05-28 1982-08-10 磁気ヘツドの送り装置 Granted JPS5930269A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP13896382A JPS5930269A (ja) 1982-08-10 1982-08-10 磁気ヘツドの送り装置
US06/479,892 US4581567A (en) 1982-05-28 1983-03-29 Device for feeding magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13896382A JPS5930269A (ja) 1982-08-10 1982-08-10 磁気ヘツドの送り装置

Publications (2)

Publication Number Publication Date
JPS5930269A JPS5930269A (ja) 1984-02-17
JPH0416873B2 true JPH0416873B2 (enrdf_load_stackoverflow) 1992-03-25

Family

ID=15234266

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13896382A Granted JPS5930269A (ja) 1982-05-28 1982-08-10 磁気ヘツドの送り装置

Country Status (1)

Country Link
JP (1) JPS5930269A (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55159468A (en) * 1979-05-31 1980-12-11 Konishiroku Photo Ind Co Ltd Toner concentration control method of developer in electrophotographic type recorder
JPS5958672A (ja) * 1982-09-28 1984-04-04 Fujitsu Ltd 磁気ディスク装置
JPH0524923Y2 (enrdf_load_stackoverflow) * 1985-07-22 1993-06-24
JP2783605B2 (ja) * 1989-08-31 1998-08-06 キヤノン株式会社 フルカラー画像形成方法
JPH03168983A (ja) * 1989-11-28 1991-07-22 Nec Gumma Ltd フロッピィディスク装置
JPH03268283A (ja) * 1990-03-16 1991-11-28 Matsushita Electric Ind Co Ltd ヘッド位置決め装置
JP2994713B2 (ja) * 1990-08-30 1999-12-27 シャープ株式会社 画像補正装置
KR100432504B1 (ko) * 1996-11-08 2004-09-04 삼성전자주식회사 데이타오프트랙라이트에대한오프트랙리드재시도방법

Also Published As

Publication number Publication date
JPS5930269A (ja) 1984-02-17

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