DE69116463T2 - Verfahren und Mittel zur Erzeugung von Indexpulsen in einem Datenspeicherungssystem - Google Patents

Verfahren und Mittel zur Erzeugung von Indexpulsen in einem Datenspeicherungssystem

Info

Publication number
DE69116463T2
DE69116463T2 DE69116463T DE69116463T DE69116463T2 DE 69116463 T2 DE69116463 T2 DE 69116463T2 DE 69116463 T DE69116463 T DE 69116463T DE 69116463 T DE69116463 T DE 69116463T DE 69116463 T2 DE69116463 T2 DE 69116463T2
Authority
DE
Germany
Prior art keywords
data storage
storage system
generating index
index pulses
pulses
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
DE69116463T
Other languages
English (en)
Other versions
DE69116463D1 (de
Inventor
Jeffrey Alan Miller
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.)
Seagate Technology LLC
Original Assignee
Seagate Technology International
Seagate Technology LLC
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 Seagate Technology International, Seagate Technology LLC filed Critical Seagate Technology International
Publication of DE69116463D1 publication Critical patent/DE69116463D1/de
Application granted granted Critical
Publication of DE69116463T2 publication Critical patent/DE69116463T2/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
    • 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
    • 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
    • G11B5/59633—Servo formatting
DE69116463T 1990-07-31 1991-06-11 Verfahren und Mittel zur Erzeugung von Indexpulsen in einem Datenspeicherungssystem Expired - Fee Related DE69116463T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/560,438 US5162954A (en) 1990-07-31 1990-07-31 Apparatus for generating an index pulse in a data storage system

Publications (2)

Publication Number Publication Date
DE69116463D1 DE69116463D1 (de) 1996-02-29
DE69116463T2 true DE69116463T2 (de) 1996-06-05

Family

ID=24237832

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69116463T Expired - Fee Related DE69116463T2 (de) 1990-07-31 1991-06-11 Verfahren und Mittel zur Erzeugung von Indexpulsen in einem Datenspeicherungssystem

Country Status (4)

Country Link
US (1) US5162954A (de)
EP (1) EP0469706B1 (de)
JP (1) JP3151458B2 (de)
DE (1) DE69116463T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108536004A (zh) * 2018-03-29 2018-09-14 北京精密机电控制设备研究所 一种双冗余机电伺服机构余度切换方法

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US5544180A (en) * 1992-06-08 1996-08-06 Qlogic Corporation Error-tolerant byte synchronization recovery scheme
US5418659A (en) * 1993-12-23 1995-05-23 National Semiconductor Corporation Reliable time-domain demarcation of split formats in embedded-servo, zoned-data recording disk drives
JPH08203212A (ja) * 1995-01-30 1996-08-09 Fujitsu Ltd 記録再生装置及びサーボ情報記録方法
US5903410A (en) * 1997-03-24 1999-05-11 International Business Machines Corporation Disk drive using multiple servo timing marks that form a code of unique interrelated bit patterns
DE19819785A1 (de) * 1998-05-04 1999-11-11 Leybold Systems Gmbh Zerstäubungskathode nach dem Magnetron-Prinzip
US6404582B1 (en) 1998-09-14 2002-06-11 Seagate Technology Llc Robust index reference position detection using a sequence of successively disposed index fields
US6412042B1 (en) 1999-11-17 2002-06-25 Maxtor Corporation System and method for improved disk drive performance and reliability
JP4475614B2 (ja) * 2000-04-28 2010-06-09 大正製薬株式会社 並列処理方法におけるジョブの割り当て方法および並列処理方法
US6950270B2 (en) 2002-04-18 2005-09-27 Seagate Technology Llc Adaptive index reference position qualification
US7111228B1 (en) 2002-05-07 2006-09-19 Marvell International Ltd. System and method for performing parity checks in disk storage system
US7511912B2 (en) * 2002-11-22 2009-03-31 Seagate Technology Llc Writing multiple servo sector patterns to improve servo sector alignment on multiple surfaces
US7007114B1 (en) 2003-01-31 2006-02-28 Qlogic Corporation System and method for padding data blocks and/or removing padding from data blocks in storage controllers
US7287102B1 (en) 2003-01-31 2007-10-23 Marvell International Ltd. System and method for concatenating data
US7492545B1 (en) 2003-03-10 2009-02-17 Marvell International Ltd. Method and system for automatic time base adjustment for disk drive servo controllers
US7064915B1 (en) 2003-03-10 2006-06-20 Marvell International Ltd. Method and system for collecting servo field data from programmable devices in embedded disk controllers
US7870346B2 (en) 2003-03-10 2011-01-11 Marvell International Ltd. Servo controller interface module for embedded disk controllers
US7457903B2 (en) 2003-03-10 2008-11-25 Marvell International Ltd. Interrupt controller for processing fast and regular interrupts
US7039771B1 (en) 2003-03-10 2006-05-02 Marvell International Ltd. Method and system for supporting multiple external serial port devices using a serial port controller in embedded disk controllers
US7242546B2 (en) * 2003-10-13 2007-07-10 Seagate Technology Llc Determining a location based on a cyclic bit sequence containing consecutively-placed identical bit-groups
US7526691B1 (en) 2003-10-15 2009-04-28 Marvell International Ltd. System and method for using TAP controllers
US7139150B2 (en) 2004-02-10 2006-11-21 Marvell International Ltd. Method and system for head position control in embedded disk drive controllers
US7120084B2 (en) 2004-06-14 2006-10-10 Marvell International Ltd. Integrated memory controller
US8166217B2 (en) 2004-06-28 2012-04-24 Marvell International Ltd. System and method for reading and writing data using storage controllers
US8032674B2 (en) 2004-07-19 2011-10-04 Marvell International Ltd. System and method for controlling buffer memory overflow and underflow conditions in storage controllers
US7757009B2 (en) 2004-07-19 2010-07-13 Marvell International Ltd. Storage controllers with dynamic WWN storage modules and methods for managing data and connections between a host and a storage device
US9201599B2 (en) 2004-07-19 2015-12-01 Marvell International Ltd. System and method for transmitting data in storage controllers
US7386661B2 (en) 2004-10-13 2008-06-10 Marvell International Ltd. Power save module for storage controllers
US7240267B2 (en) 2004-11-08 2007-07-03 Marvell International Ltd. System and method for conducting BIST operations
US7802026B2 (en) 2004-11-15 2010-09-21 Marvell International Ltd. Method and system for processing frames in storage controllers
US7609468B2 (en) 2005-04-06 2009-10-27 Marvell International Ltd. Method and system for read gate timing control for storage controllers

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JPS5736476A (en) * 1980-08-08 1982-02-27 Sony Corp Pcm signal recorder and reproducer
US4495533A (en) * 1982-06-28 1985-01-22 Atasi Corporation Disk memory indexing system
US4933786A (en) * 1988-09-21 1990-06-12 Maxtor Corporation Fault tolerant index patterns and decoding means
US5068755A (en) * 1990-06-01 1991-11-26 Micropolis Corporation Sector pulse generator for hard disk drive assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108536004A (zh) * 2018-03-29 2018-09-14 北京精密机电控制设备研究所 一种双冗余机电伺服机构余度切换方法

Also Published As

Publication number Publication date
JPH0696560A (ja) 1994-04-08
DE69116463D1 (de) 1996-02-29
JP3151458B2 (ja) 2001-04-03
US5162954A (en) 1992-11-10
EP0469706A1 (de) 1992-02-05
EP0469706B1 (de) 1996-01-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SEAGATE TECHNOLOGY LLC, SCOTTS VALLEY, CALIF., US

8328 Change in the person/name/address of the agent

Free format text: HENKEL, FEILER & HAENZEL, 81675 MUENCHEN

8339 Ceased/non-payment of the annual fee