JPS57198513A - Controlling method for generation of virtual index for magnetic disc device - Google Patents

Controlling method for generation of virtual index for magnetic disc device

Info

Publication number
JPS57198513A
JPS57198513A JP56082057A JP8205781A JPS57198513A JP S57198513 A JPS57198513 A JP S57198513A JP 56082057 A JP56082057 A JP 56082057A JP 8205781 A JP8205781 A JP 8205781A JP S57198513 A JPS57198513 A JP S57198513A
Authority
JP
Japan
Prior art keywords
track
circuit
index
signal
virtual index
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
JP56082057A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0413788B2 (enrdf_load_stackoverflow
Inventor
Masakazu Kawamoto
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP56082057A priority Critical patent/JPS57198513A/ja
Publication of JPS57198513A publication Critical patent/JPS57198513A/ja
Publication of JPH0413788B2 publication Critical patent/JPH0413788B2/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
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel

Landscapes

  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
JP56082057A 1981-05-29 1981-05-29 Controlling method for generation of virtual index for magnetic disc device Granted JPS57198513A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56082057A JPS57198513A (en) 1981-05-29 1981-05-29 Controlling method for generation of virtual index for magnetic disc device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56082057A JPS57198513A (en) 1981-05-29 1981-05-29 Controlling method for generation of virtual index for magnetic disc device

Publications (2)

Publication Number Publication Date
JPS57198513A true JPS57198513A (en) 1982-12-06
JPH0413788B2 JPH0413788B2 (enrdf_load_stackoverflow) 1992-03-10

Family

ID=13763878

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56082057A Granted JPS57198513A (en) 1981-05-29 1981-05-29 Controlling method for generation of virtual index for magnetic disc device

Country Status (1)

Country Link
JP (1) JPS57198513A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5903411A (en) * 1995-02-14 1999-05-11 Fujitsu Limited Method for reliably positioning a head in a disk drive to a guard band area
KR100604928B1 (ko) 2005-01-18 2006-07-28 삼성전자주식회사 하드디스크 드라이브의 공정 테스트를 위한 테스트 트랙결정 방법

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5903411A (en) * 1995-02-14 1999-05-11 Fujitsu Limited Method for reliably positioning a head in a disk drive to a guard band area
KR100604928B1 (ko) 2005-01-18 2006-07-28 삼성전자주식회사 하드디스크 드라이브의 공정 테스트를 위한 테스트 트랙결정 방법

Also Published As

Publication number Publication date
JPH0413788B2 (enrdf_load_stackoverflow) 1992-03-10

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