DE69427287D1 - Zuverlässige zeitliche trennung von getrennten formaten in plattenspeichern mit eingebetteter servo- und zoned-data-aufzeichnung - Google Patents

Zuverlässige zeitliche trennung von getrennten formaten in plattenspeichern mit eingebetteter servo- und zoned-data-aufzeichnung

Info

Publication number
DE69427287D1
DE69427287D1 DE69427287T DE69427287T DE69427287D1 DE 69427287 D1 DE69427287 D1 DE 69427287D1 DE 69427287 T DE69427287 T DE 69427287T DE 69427287 T DE69427287 T DE 69427287T DE 69427287 D1 DE69427287 D1 DE 69427287D1
Authority
DE
Germany
Prior art keywords
data recording
disk storage
time separation
embedded servo
reliable time
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 - Fee Related
Application number
DE69427287T
Other languages
English (en)
Other versions
DE69427287T2 (de
Inventor
Singh Shergill
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.)
National Semiconductor Corp
Original Assignee
National Semiconductor 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 National Semiconductor Corp filed Critical National Semiconductor Corp
Publication of DE69427287D1 publication Critical patent/DE69427287D1/de
Application granted granted Critical
Publication of DE69427287T2 publication Critical patent/DE69427287T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • 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
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • 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
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • 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
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G11B20/1258—Formatting, e.g. arrangement of data block or words on the record carriers on discs where blocks are arranged within multiple radial zones, e.g. Zone Bit Recording or Constant Density Recording discs, MCAV discs, MCLV discs
    • 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
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • 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
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
    • G11B2020/1281—Servo information
    • G11B2020/1282—Servo information in embedded servo fields
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
    • G11B2020/1281—Servo information
    • G11B2020/1284—Servo information in servo fields which split data fields
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE69427287T 1993-12-23 1994-12-15 Zuverlässige zeitliche trennung von getrennten formaten in plattenspeichern mit eingebetteter servo- und zoned-data-aufzeichnung Expired - Fee Related DE69427287T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/173,794 US5418659A (en) 1993-12-23 1993-12-23 Reliable time-domain demarcation of split formats in embedded-servo, zoned-data recording disk drives
PCT/US1994/014698 WO1995017751A1 (en) 1993-12-23 1994-12-15 Reliable time-domain demarcation of split formats in embedded-servo, zoned-data recording disk drives

Publications (2)

Publication Number Publication Date
DE69427287D1 true DE69427287D1 (de) 2001-06-28
DE69427287T2 DE69427287T2 (de) 2002-03-14

Family

ID=22633518

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69427287T Expired - Fee Related DE69427287T2 (de) 1993-12-23 1994-12-15 Zuverlässige zeitliche trennung von getrennten formaten in plattenspeichern mit eingebetteter servo- und zoned-data-aufzeichnung

Country Status (5)

Country Link
US (1) US5418659A (de)
EP (2) EP0686300B1 (de)
KR (1) KR100329400B1 (de)
DE (1) DE69427287T2 (de)
WO (1) WO1995017751A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5640583A (en) * 1994-08-22 1997-06-17 Adaptec, Inc. Programmable servo burst decoder
US5684972A (en) * 1994-08-22 1997-11-04 Adaptec, Inc. Programmable servo burst sequencer for a disk drive
MY121607A (en) * 1995-07-10 2006-02-28 Hyundai Curitel Inc Grid moving method of object image and apparatus using the same and compaction/motion estimation method using the same and apparatus thereof
US6154331A (en) * 1996-10-01 2000-11-28 Lsi Logic Corporation Disk formatter write gate look-ahead device
US6891691B2 (en) 2003-04-07 2005-05-10 International Business Machines Corporation Compensation of disk spinup errors in a disk drive
US7929238B1 (en) 2008-10-14 2011-04-19 Western Digital Technologies, Inc. Disk drive seeking with a fixed rate clock when crossing servo zones to facilitate zoned servo sectors
US8116023B1 (en) 2008-12-15 2012-02-14 Western Digital Technologies, Inc. Disk drive comprising preamble aligned zoned servo sectors
US8213106B1 (en) 2009-03-10 2012-07-03 Western Digital Technologies, Inc. Zoned servo system
US8724245B1 (en) 2012-06-21 2014-05-13 Western Digital Technologies, Inc. Disk drive employing overlapping servo zones to facilitate servo zone crossing
US8576506B1 (en) 2012-06-21 2013-11-05 Western Digital Technologies, Inc. Disk drive estimating reader/writer gap across servo zones
US8995075B1 (en) 2012-06-21 2015-03-31 Western Digital Technologies, Inc. Disk drive adjusting estimated servo state to compensate for transient when crossing a servo zone boundary
US8780477B1 (en) 2012-06-21 2014-07-15 Western Digital Technologies, Inc. Disk drive adjusting servo timing to compensate for transient when crossing a servo zone boundary
US8743504B1 (en) 2012-07-25 2014-06-03 Western Digital Technologies, Inc. Servoing on zoned concentric servo sectors of a first disk surface to write a spiral servo track to a second disk surface

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214280A (en) * 1978-05-30 1980-07-22 Xerox Corporation Method and apparatus for recording data without recording on defective areas of a data recording medium
US4937804A (en) * 1987-03-10 1990-06-26 Kabushiki Kaisha Toshiba Apparatus for recording data into optical recording medium
US4999720A (en) * 1989-06-05 1991-03-12 Maxtor Corporation Zone density sector counter
US5210660A (en) * 1990-01-17 1993-05-11 International Business Machines Corporation Sectored servo independent of data architecture
WO1992000589A1 (en) * 1990-06-25 1992-01-09 Maxtor Corporation Read/write control for disk drive
JP2952974B2 (ja) * 1990-06-29 1999-09-27 ソニー株式会社 デイスク装置
US5162954A (en) * 1990-07-31 1992-11-10 Seagate Technology Inc. Apparatus for generating an index pulse in a data storage system
US5257143A (en) * 1991-01-15 1993-10-26 Zenith Data Systems Corporation Method and apparatus for positioning head of disk drive using zone-bit-recording
US5276564A (en) * 1992-04-16 1994-01-04 Hewlett-Packard Company Programmable start-of-sector pulse generator for a disk drive using embedded servo bursts and split data fields
US5274509A (en) * 1992-09-10 1993-12-28 Digital Equipment Corporation On-the-fly splitting of disk data blocks using timed sampling of a data position indicator

Also Published As

Publication number Publication date
US5418659A (en) 1995-05-23
EP0686300A1 (de) 1995-12-13
EP0686300B1 (de) 2001-05-23
KR960701444A (ko) 1996-02-24
WO1995017751A1 (en) 1995-06-29
DE69427287T2 (de) 2002-03-14
EP0957482A2 (de) 1999-11-17
KR100329400B1 (ko) 2002-10-04

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8339 Ceased/non-payment of the annual fee