NZ717999A - Fast adc for optical tape wobble signal - Google Patents
Fast adc for optical tape wobble signalInfo
- Publication number
- NZ717999A NZ717999A NZ717999A NZ71799914A NZ717999A NZ 717999 A NZ717999 A NZ 717999A NZ 717999 A NZ717999 A NZ 717999A NZ 71799914 A NZ71799914 A NZ 71799914A NZ 717999 A NZ717999 A NZ 717999A
- Authority
- NZ
- New Zealand
- Prior art keywords
- output signal
- wobble signal
- signal
- feedback loop
- output
- Prior art date
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
- G11B20/10009—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
Landscapes
- 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)
Applications Claiming Priority (2)
| 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 |
| PCT/US2014/058809 WO2015080801A1 (en) | 2013-11-26 | 2014-10-02 | Fast adc for optical tape wobble signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NZ717999A true NZ717999A (en) | 2020-08-28 |
Family
ID=51830608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NZ717999A NZ717999A (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)
| 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 |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR950010418B1 (ko) | 1991-08-28 | 1995-09-16 | 미쯔비시덴끼 가부시끼가이샤 | 광기록재생장치 |
| 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 |
| US8355302B1 (en) * | 2006-05-11 | 2013-01-15 | Marvell International Ltd. | Offset loop for wobble |
| 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 |
-
2013
- 2013-11-26 US US14/090,249 patent/US8923104B1/en active Active
-
2014
- 2014-10-02 CN CN201480054216.4A patent/CN105594127B/zh active Active
- 2014-10-02 AU AU2014355139A patent/AU2014355139B2/en active Active
- 2014-10-02 NZ NZ717999A patent/NZ717999A/en unknown
- 2014-10-02 EP EP14790410.6A patent/EP3075079B1/en active Active
- 2014-10-02 WO PCT/US2014/058809 patent/WO2015080801A1/en not_active Ceased
- 2014-10-02 JP JP2016521762A patent/JP6419799B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| AU2014355139B2 (en) | 2018-07-12 |
| 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 |
| CN105594127A (zh) | 2016-05-18 |
| EP3075079A1 (en) | 2016-10-05 |
| EP3075079B1 (en) | 2021-07-07 |
| JP6419799B2 (ja) | 2018-11-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PSEA | Patent sealed | ||
| RENW | Renewal (renewal fees accepted) |
Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 02 OCT 2022 BY CPA GLOBAL Effective date: 20210902 |
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| RENW | Renewal (renewal fees accepted) |
Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 02 OCT 2023 BY CPA GLOBAL Effective date: 20220902 |
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| RENW | Renewal (renewal fees accepted) |
Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 02 OCT 2024 BY CPA GLOBAL Effective date: 20230831 |
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| RENW | Renewal (renewal fees accepted) |
Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 02 OCT 2025 BY ABHISHEK KUMAR - CPA-PTO PAYMENTS Effective date: 20240829 |
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| RENW | Renewal (renewal fees accepted) |
Free format text: PATENT RENEWED FOR 1 YEAR UNTIL 02 OCT 2026 BY ABHISHEK KUMAR - CPA-PTO PAYMENTS Effective date: 20250904 |