DE69427287T2 - 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-aufzeichnungInfo
- Publication number
- DE69427287T2 DE69427287T2 DE69427287T DE69427287T DE69427287T2 DE 69427287 T2 DE69427287 T2 DE 69427287T2 DE 69427287 T DE69427287 T DE 69427287T DE 69427287 T DE69427287 T DE 69427287T DE 69427287 T2 DE69427287 T2 DE 69427287T2
- 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
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)
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 DE69427287D1 (de) | 2001-06-28 |
DE69427287T2 true 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)
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)
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 |
-
1993
- 1993-12-23 US US08/173,794 patent/US5418659A/en not_active Expired - Fee Related
-
1994
- 1994-12-15 KR KR1019950703553A patent/KR100329400B1/ko not_active IP Right Cessation
- 1994-12-15 EP EP95906041A patent/EP0686300B1/de not_active Expired - Lifetime
- 1994-12-15 WO PCT/US1994/014698 patent/WO1995017751A1/en active IP Right Grant
- 1994-12-15 EP EP99115803A patent/EP0957482A2/de not_active Withdrawn
- 1994-12-15 DE DE69427287T patent/DE69427287T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5418659A (en) | 1995-05-23 |
EP0686300A1 (de) | 1995-12-13 |
DE69427287D1 (de) | 2001-06-28 |
EP0686300B1 (de) | 2001-05-23 |
KR960701444A (ko) | 1996-02-24 |
WO1995017751A1 (en) | 1995-06-29 |
EP0957482A2 (de) | 1999-11-17 |
KR100329400B1 (ko) | 2002-10-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |