JP6138953B2 - データ検証のための回転ヘッドデータ記憶および取出システムならびに方法 - Google Patents

データ検証のための回転ヘッドデータ記憶および取出システムならびに方法 Download PDF

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Publication number
JP6138953B2
JP6138953B2 JP2015540862A JP2015540862A JP6138953B2 JP 6138953 B2 JP6138953 B2 JP 6138953B2 JP 2015540862 A JP2015540862 A JP 2015540862A JP 2015540862 A JP2015540862 A JP 2015540862A JP 6138953 B2 JP6138953 B2 JP 6138953B2
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Japan
Prior art keywords
head
heads
working surface
optical
tape
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JP2015540862A
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English (en)
Japanese (ja)
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JP2015533445A (ja
JP2015533445A5 (enExample
Inventor
マディソン，カール
オストワルド，ティモシー・シィ
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オラクル・インターナショナル・コーポレイション
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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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1879—Direct read-after-write methods
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G11B7/00458—Verification, i.e. checking data during or after recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/006—Overwriting
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/003—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent
    • G11B7/0031—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent using a rotating head, e.g. helicoidal recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Digital Magnetic Recording (AREA)
JP2015540862A 2012-11-07 2013-11-05 データ検証のための回転ヘッドデータ記憶および取出システムならびに方法 Active JP6138953B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/670,712 US8897113B2 (en) 2012-11-07 2012-11-07 Rotary head data storage and retrieval system and method for data verification
US13/670,712 2012-11-07
PCT/US2013/068489 WO2014074511A1 (en) 2012-11-07 2013-11-05 Rotary head data storage and retrieval system and method for data verification

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2017087275A Division JP6534413B2 (ja) 2012-11-07 2017-04-26 データ検証のための回転ヘッドデータ記憶および取出システムならびに方法

Publications (3)

Publication Number Publication Date
JP2015533445A JP2015533445A (ja) 2015-11-24
JP2015533445A5 JP2015533445A5 (enExample) 2016-12-01
JP6138953B2 true JP6138953B2 (ja) 2017-05-31

Family

ID=49585657

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2015540862A Active JP6138953B2 (ja) 2012-11-07 2013-11-05 データ検証のための回転ヘッドデータ記憶および取出システムならびに方法
JP2017087275A Active JP6534413B2 (ja) 2012-11-07 2017-04-26 データ検証のための回転ヘッドデータ記憶および取出システムならびに方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2017087275A Active JP6534413B2 (ja) 2012-11-07 2017-04-26 データ検証のための回転ヘッドデータ記憶および取出システムならびに方法

Country Status (7)

Country Link
US (1) US8897113B2 (enExample)
EP (1) EP2917912B1 (enExample)
JP (2) JP6138953B2 (enExample)
CN (1) CN104798133B (enExample)
AU (1) AU2013341332B2 (enExample)
NZ (1) NZ706818A (enExample)
WO (1) WO2014074511A1 (enExample)

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JP2017126397A (ja) * 2012-11-07 2017-07-20 オラクル・インターナショナル・コーポレイション データ検証のための回転ヘッドデータ記憶および取出システムならびに方法

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Publication number Priority date Publication date Assignee Title
US9324347B2 (en) 2012-09-19 2016-04-26 Oracle International Corporation Apparatus and method for controlling tape movement in a rotary head data storage system and retrieval system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017126397A (ja) * 2012-11-07 2017-07-20 オラクル・インターナショナル・コーポレイション データ検証のための回転ヘッドデータ記憶および取出システムならびに方法

Also Published As

Publication number Publication date
CN104798133B (zh) 2018-09-18
US20140126344A1 (en) 2014-05-08
HK1212810A1 (zh) 2016-06-17
US8897113B2 (en) 2014-11-25
EP2917912B1 (en) 2021-08-11
AU2013341332B2 (en) 2018-08-30
JP2015533445A (ja) 2015-11-24
JP2017126397A (ja) 2017-07-20
EP2917912A1 (en) 2015-09-16
AU2013341332A1 (en) 2015-04-16
WO2014074511A1 (en) 2014-05-15
CN104798133A (zh) 2015-07-22
JP6534413B2 (ja) 2019-06-26
NZ706818A (en) 2018-04-27

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