AU2014355139B2 - Fast ADC for optical tape wobble signal - Google Patents

Fast ADC for optical tape wobble signal Download PDF

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Publication number
AU2014355139B2
AU2014355139B2 AU2014355139A AU2014355139A AU2014355139B2 AU 2014355139 B2 AU2014355139 B2 AU 2014355139B2 AU 2014355139 A AU2014355139 A AU 2014355139A AU 2014355139 A AU2014355139 A AU 2014355139A AU 2014355139 B2 AU2014355139 B2 AU 2014355139B2
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AU
Australia
Prior art keywords
signal
output signal
wobble signal
wobble
frequency
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.)
Active
Application number
AU2014355139A
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English (en)
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AU2014355139A1 (en
Inventor
Faramarz Mahnad
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.)
Oracle International Corp
Original Assignee
Oracle International 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 Oracle International Corp filed Critical Oracle International Corp
Publication of AU2014355139A1 publication Critical patent/AU2014355139A1/en
Application granted granted Critical
Publication of AU2014355139B2 publication Critical patent/AU2014355139B2/en
Active legal-status Critical Current
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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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10305—Improvement or modification of read or write signals signal quality assessment
    • G11B20/10342—Improvement or modification of read or write signals signal quality assessment sub-information or auxiliary signals different from the normal recording marks, e.g. signals reproduced from wobble tracks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/02—Delta modulation, i.e. one-bit differential modulation
    • 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
    • G11B7/005—Reproducing
    • G11B7/0053—Reproducing non-user data, e.g. wobbled address, prepits, BCA
    • 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

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Analogue/Digital Conversion (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
AU2014355139A 2013-11-26 2014-10-02 Fast ADC for optical tape wobble signal Active AU2014355139B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/090,249 US8923104B1 (en) 2013-11-26 2013-11-26 Fast ADC for optical tape wobble signal
US14/090,249 2013-11-26
PCT/US2014/058809 WO2015080801A1 (en) 2013-11-26 2014-10-02 Fast adc for optical tape wobble signal

Publications (2)

Publication Number Publication Date
AU2014355139A1 AU2014355139A1 (en) 2016-03-10
AU2014355139B2 true AU2014355139B2 (en) 2018-07-12

Family

ID=51830608

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2014355139A Active AU2014355139B2 (en) 2013-11-26 2014-10-02 Fast ADC for optical tape wobble signal

Country Status (7)

Country Link
US (1) US8923104B1 (OSRAM)
EP (1) EP3075079B1 (OSRAM)
JP (1) JP6419799B2 (OSRAM)
CN (1) CN105594127B (OSRAM)
AU (1) AU2014355139B2 (OSRAM)
NZ (1) NZ717999A (OSRAM)
WO (1) WO2015080801A1 (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10484002B1 (en) * 2018-12-27 2019-11-19 Keithley Instruments, Llc High-speed high-resolution digital-to-analog converter

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8355302B1 (en) * 2006-05-11 2013-01-15 Marvell International Ltd. Offset loop for wobble

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JPH08265163A (ja) * 1995-03-24 1996-10-11 Ricoh Co Ltd 信号処理装置
JPH1069640A (ja) 1996-08-27 1998-03-10 Mitsumi Electric Co Ltd Ｃｄ−ｒドライブにおけるウォブル信号生成方法
JP3503513B2 (ja) 1999-02-22 2004-03-08 ヤマハ株式会社 光ディスク記録方法及び装置
JP2001053586A (ja) * 1999-08-06 2001-02-23 Mitsubishi Electric Corp 積分回路およびａ／ｄ変換回路ならびに積分方法
JP3956582B2 (ja) * 2000-05-30 2007-08-08 ヤマハ株式会社 Ａ／ｄ変換回路
US7142486B2 (en) * 2001-04-02 2006-11-28 Ricoh Company, Ltd. Signal processing method and signal processing apparatus
JP2003243986A (ja) * 2002-02-20 2003-08-29 Tadahiro Omi Ａ／ｄ変換装置
JP3975111B2 (ja) * 2002-04-19 2007-09-12 松下電器産業株式会社 混合型変調器、オーバーサンプリング型ｄ／ａ変換器およびａ／ｄ変換器
WO2005015548A2 (ja) * 2003-08-07 2005-02-17 Matsushita Electric Industrial Co Ltd 光ディスク装置
JP3597189B1 (ja) * 2003-10-09 2004-12-02 株式会社リコー ウォブル信号復調方法、ウォブル信号復調回路及び光ディスク装置
JP2005158239A (ja) * 2003-10-27 2005-06-16 Matsushita Electric Ind Co Ltd 光ディスク装置、クロック信号生成方法、プログラムおよび制御装置
JP4277781B2 (ja) * 2004-11-04 2009-06-10 日本ビクター株式会社 光ディスクドライブ装置のアドレス情報検出回路
KR100640658B1 (ko) * 2005-07-29 2006-11-01 삼성전자주식회사 블루-레이 디스크 드라이브에서 시간 변화량를 이용하여ｈｍｗ 신호를 검출하는 장치 및 방법
US20070064566A1 (en) * 2005-09-21 2007-03-22 Wei-Hsin Hsu Signal process device and method for obtaining wobble signal
US20080080332A1 (en) * 2006-09-29 2008-04-03 Media Tek Inc. Recording medium type identification method and device
JP4852021B2 (ja) * 2007-11-15 2012-01-11 株式会社東芝 増幅装置
JP4407747B2 (ja) * 2007-12-13 2010-02-03 ソニー株式会社 Ａ／ｄ変換器及び情報記録再生装置
JP4525746B2 (ja) * 2007-12-13 2010-08-18 ソニー株式会社 ウォブル信号抽出回路及び光ディスク装置
JP2009158035A (ja) * 2007-12-27 2009-07-16 Canon Inc 光ディスク記録再生装置
KR101466926B1 (ko) * 2008-09-25 2014-12-01 삼성전자주식회사 오프셋 전압을 보상할 수 있는 신호 처리기, 워블 신호 검출기, 및 이를 포함하는 광 디스크 장치
WO2010073450A1 (ja) * 2008-12-25 2010-07-01 パナソニック株式会社 信号処理回路および光ディスク再生装置
JP2011233192A (ja) * 2010-04-26 2011-11-17 Renesas Electronics Corp 半導体集積回路およびそれを搭載した光ディスク装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8355302B1 (en) * 2006-05-11 2013-01-15 Marvell International Ltd. Offset loop for wobble

Also Published As

Publication number Publication date
JP2017504141A (ja) 2017-02-02
AU2014355139A1 (en) 2016-03-10
US8923104B1 (en) 2014-12-30
WO2015080801A1 (en) 2015-06-04
CN105594127B (zh) 2021-03-12
NZ717999A (en) 2020-08-28
CN105594127A (zh) 2016-05-18
EP3075079A1 (en) 2016-10-05
EP3075079B1 (en) 2021-07-07
JP6419799B2 (ja) 2018-11-07

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