JP4288019B2 - データ・トラック符号化方法 - Google Patents

データ・トラック符号化方法 Download PDF

Info

Publication number
JP4288019B2
JP4288019B2 JP2001111308A JP2001111308A JP4288019B2 JP 4288019 B2 JP4288019 B2 JP 4288019B2 JP 2001111308 A JP2001111308 A JP 2001111308A JP 2001111308 A JP2001111308 A JP 2001111308A JP 4288019 B2 JP4288019 B2 JP 4288019B2
Authority
JP
Japan
Prior art keywords
data
preamble
power spectrum
tape
sequence
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
JP2001111308A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001357629A (ja
JP2001357629A5 (enExample
Inventor
ロバート・フィリップ・モーリング
アンドリュー・ハナ
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JP2001357629A publication Critical patent/JP2001357629A/ja
Publication of JP2001357629A5 publication Critical patent/JP2001357629A5/ja
Application granted granted Critical
Publication of JP4288019B2 publication Critical patent/JP4288019B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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
    • 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
    • G11B20/1201—Formatting, e.g. arrangement of data block or words on the record carriers on tapes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
    • G11B2220/91—Helical scan format, wherein tracks are slightly tilted with respect to tape direction, e.g. VHS, DAT, DVC, AIT or exabyte
    • G11B2220/916—Digital data storage [DDS] format
    • 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
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
    • 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
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
    • G11B5/00847—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks
    • G11B5/0086—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks using cyclically driven heads providing segmented tracks
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09—Digital recording

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
JP2001111308A 2000-04-10 2001-04-10 データ・トラック符号化方法 Expired - Fee Related JP4288019B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP00303019A EP1146505B1 (en) 2000-04-10 2000-04-10 Equalization preamble region in digital data storage (DDS) format
EP00303019.4 2000-04-10

Publications (3)

Publication Number Publication Date
JP2001357629A JP2001357629A (ja) 2001-12-26
JP2001357629A5 JP2001357629A5 (enExample) 2007-08-30
JP4288019B2 true JP4288019B2 (ja) 2009-07-01

Family

ID=8172906

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001111308A Expired - Fee Related JP4288019B2 (ja) 2000-04-10 2001-04-10 データ・トラック符号化方法

Country Status (4)

Country Link
US (1) US6678104B2 (enExample)
EP (1) EP1146505B1 (enExample)
JP (1) JP4288019B2 (enExample)
DE (1) DE60035178D1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8111477B2 (en) * 2008-07-11 2012-02-07 Sony Corporation Recording medium, recording apparatus, reproducing apparatus, and reproducing method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789377A (en) * 1972-05-26 1974-01-29 Lockheed Electronics Co Pseudo-random sequence synchronization for magnetic recording system
JPH02177062A (ja) * 1988-12-27 1990-07-10 Sony Corp ディジタル情報信号記録装置
US5349611A (en) * 1992-11-13 1994-09-20 Ampex Systems Corporation Recovering synchronization in a data stream
JP2715057B2 (ja) * 1994-04-05 1998-02-16 クウォンタム・コーポレイション データ記憶装置においてアンダーシュート誘起タイミング位相ステップを排除する方法およびハードディスクドライブ
DE69620272T2 (de) * 1996-09-24 2003-07-24 Hewlett-Packard Co. (N.D.Ges.D.Staates Delaware), Palo Alto Datenverabeitungsgerät und -verfahren

Also Published As

Publication number Publication date
US6678104B2 (en) 2004-01-13
EP1146505B1 (en) 2007-06-13
JP2001357629A (ja) 2001-12-26
EP1146505A1 (en) 2001-10-17
US20010028521A1 (en) 2001-10-11
DE60035178D1 (de) 2007-07-26

Similar Documents

Publication Publication Date Title
JP4090501B2 (ja) 情報担体に記録する装置及び方法並びにそのための情報担体
US5424881A (en) Synchronous read channel
US5600502A (en) Elimination of inter symbol interference-induced timing phase steps at sector start in PRML digital magnetic data storage channel
KR20020006706A (ko) 판독 채널 성능 데이터를 축적하는 시스템 및 방법
US5383064A (en) Automatic closed loop adjustment of analog read signals under microprocessor control
EP0731968B1 (en) Retrieving data recorded at different bit densities
JP4288019B2 (ja) データ・トラック符号化方法
US7359132B2 (en) Equalization preamble region in digital data storage (DDS) format
US6163421A (en) Azimuth magnetic recording and reproducing apparatus and method employing waveform equalization
EP0996114B1 (en) Servo system and method with multiple phase clock
JP4010949B2 (ja) 主信号のビットストリーム中に副信号を埋め込む方法
US20040100714A1 (en) Adjusting a read detection equalizer filter of a magnetic tape drive employing a recording format required control pattern
US6507546B1 (en) 2,2,1 Asymmetric partial response target in a sampled amplitude read channel for disk storage systems
US20010033451A1 (en) Method and apparatus for writing clock data to a storage medium
JP2010514085A (ja) 透かしを含む光ディスク、およびかかるディスクの記録作成を行う方法ならびにレコーダ
US5754593A (en) Write equalization for partial response channels
US7701825B2 (en) Apparatus for and a method of authenticating recording media
EP1304684A2 (en) Optimized data storage system and method for optical storage system
JP2529335B2 (ja) ディジタル信号記録再生方式
JPH11144385A (ja) ディジタル信号記録装置
TW310423B (en) Device for recording information on a carrier
JP2007506206A (ja) 非対称変調を使用した記録キャリアの識別
JPH0528654A (ja) 再生パルス補償回路およびｐｌｌ回路
JPH08255428A (ja) 再生信号処理回路
JPH06282807A (ja) ディジタルデータ記録再生装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070712

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070712

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20081112

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20081114

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090122

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20090317

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20090330

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120403

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120403

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130403

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130403

Year of fee payment: 4

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130403

Year of fee payment: 4

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

R371 Transfer withdrawn

Free format text: JAPANESE INTERMEDIATE CODE: R371

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130403

Year of fee payment: 4

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130403

Year of fee payment: 4

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140403

Year of fee payment: 5

LAPS Cancellation because of no payment of annual fees