JPH039525B2 - - Google Patents

Info

Publication number
JPH039525B2
JPH039525B2 JP59166493A JP16649384A JPH039525B2 JP H039525 B2 JPH039525 B2 JP H039525B2 JP 59166493 A JP59166493 A JP 59166493A JP 16649384 A JP16649384 A JP 16649384A JP H039525 B2 JPH039525 B2 JP H039525B2
Authority
JP
Japan
Prior art keywords
signal
adjustment signal
track
center line
adjustment
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
JP59166493A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6145409A (ja
Inventor
Hiroshi Kanai
Hitoshi Ishida
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP16649384A priority Critical patent/JPS6145409A/ja
Publication of JPS6145409A publication Critical patent/JPS6145409A/ja
Publication of JPH039525B2 publication Critical patent/JPH039525B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Digital Magnetic Recording (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
JP16649384A 1984-08-10 1984-08-10 両面ヘツドドライブ用アライメントデイスク Granted JPS6145409A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16649384A JPS6145409A (ja) 1984-08-10 1984-08-10 両面ヘツドドライブ用アライメントデイスク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16649384A JPS6145409A (ja) 1984-08-10 1984-08-10 両面ヘツドドライブ用アライメントデイスク

Publications (2)

Publication Number Publication Date
JPS6145409A JPS6145409A (ja) 1986-03-05
JPH039525B2 true JPH039525B2 (enrdf_load_stackoverflow) 1991-02-08

Family

ID=15832396

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16649384A Granted JPS6145409A (ja) 1984-08-10 1984-08-10 両面ヘツドドライブ用アライメントデイスク

Country Status (1)

Country Link
JP (1) JPS6145409A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62149020A (ja) * 1985-12-24 1987-07-03 Oki Electric Ind Co Ltd アライメントデイスク
JPS62234221A (ja) * 1986-04-04 1987-10-14 Hitachi Ltd 磁気デイスク駆動装置のトラツキング調整装置
US4992893A (en) * 1986-02-19 1991-02-12 Hitachi, Ltd. Alignment disk for magnetic disk driving apparatus and method and apparatus for verifying tracking error of the magnetic disk driving apparatus
JPS63306573A (ja) * 1987-06-05 1988-12-14 Sharp Corp 情報記録円盤再生装置
JP2712187B2 (ja) * 1987-08-31 1998-02-10 ソニー株式会社 アライメント・ディスク
JP4018771B2 (ja) 1997-03-17 2007-12-05 富士通株式会社 磁気ディスク、磁気記録再生方法及び磁気ディスク装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5942631A (ja) * 1982-09-03 1984-03-09 Hitachi Ltd 磁気ヘツド位置測定用記録媒体
JPS59107422A (ja) * 1982-12-09 1984-06-21 Matsushita Electric Ind Co Ltd 磁気ヘツド位置測定用デイスク

Also Published As

Publication number Publication date
JPS6145409A (ja) 1986-03-05

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