CN100347764C - 信息再生装置及其电位差抑制电路和该电路实现方法 - Google Patents
信息再生装置及其电位差抑制电路和该电路实现方法 Download PDFInfo
- Publication number
- CN100347764C CN100347764C CNB2004100879706A CN200410087970A CN100347764C CN 100347764 C CN100347764 C CN 100347764C CN B2004100879706 A CNB2004100879706 A CN B2004100879706A CN 200410087970 A CN200410087970 A CN 200410087970A CN 100347764 C CN100347764 C CN 100347764C
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- CN
- China
- Prior art keywords
- mentioned
- frequency
- signal
- characteristic
- pass filter
- 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
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Classifications
-
- 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
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- 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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/094—Methods and circuits for servo offset compensation
-
- 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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0941—Methods and circuits for servo gain or phase compensation during operation
Landscapes
- Optical Recording Or Reproduction (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003367229 | 2003-10-28 | ||
JP2003367229 | 2003-10-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1624777A CN1624777A (zh) | 2005-06-08 |
CN100347764C true CN100347764C (zh) | 2007-11-07 |
Family
ID=34616046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100879706A Expired - Fee Related CN100347764C (zh) | 2003-10-28 | 2004-10-27 | 信息再生装置及其电位差抑制电路和该电路实现方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7525898B2 (zh) |
CN (1) | CN100347764C (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8204466B2 (en) | 2004-05-21 | 2012-06-19 | Realtek Semiconductor Corp. | Dynamic AC-coupled DC offset correction |
JP4348741B2 (ja) * | 2005-06-27 | 2009-10-21 | 日本電気株式会社 | 光学的情報記録媒体及び光学的情報再生装置 |
KR100874921B1 (ko) * | 2007-03-19 | 2008-12-19 | 삼성전자주식회사 | 광기록매체의 전압 수렴 장치 및 전압 수렴 방법 |
EP2242312A4 (en) * | 2008-02-08 | 2017-04-26 | NEC Corporation | Mobile station, mobile radio communication system, mobile radio communication method, and mobile radio communication program |
CA2933870C (en) * | 2013-12-17 | 2021-11-23 | Picometrix, Llc | System for transmitting and receiving electromagnetic radiation |
WO2018087914A1 (ja) * | 2016-11-14 | 2018-05-17 | 理化工業株式会社 | 波形復元装置及び波形復元方法 |
US10069483B1 (en) | 2017-08-18 | 2018-09-04 | Cirrus Logic, Inc. | Multi-path analog system with multi-mode high-pass filter |
US10141946B1 (en) | 2017-08-18 | 2018-11-27 | Cirrus Logic, Inc. | Multi-path analog system with multi-mode high-pass filter |
US10862466B2 (en) * | 2019-02-09 | 2020-12-08 | Semtech Corporation | Dynamic time constant for quick decision level acquisition |
US11424775B2 (en) * | 2020-06-03 | 2022-08-23 | Electronics And Telecommunications Research Institute | Human body communication receiver and operating method thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09293251A (ja) * | 1996-04-26 | 1997-11-11 | Sanyo Electric Co Ltd | 位相補償装置 |
JPH09316960A (ja) * | 1996-05-30 | 1997-12-09 | Matsushita Electric Works Ltd | 流し台のシンク排水構造 |
JPH09320076A (ja) * | 1996-05-31 | 1997-12-12 | Olympus Optical Co Ltd | 光ディスク装置のトラッキング制御装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6095733A (ja) * | 1983-10-31 | 1985-05-29 | Hitachi Ltd | 光学的信号処理装置 |
EP0228646A3 (en) * | 1985-12-20 | 1987-10-14 | Hitachi, Ltd. | A signal processing apparatus for disc memory devices |
US5036322A (en) * | 1989-06-02 | 1991-07-30 | Analog Devices, Inc. | Digital-to-analog converters with improved linearity |
JP3112351B2 (ja) * | 1992-07-22 | 2000-11-27 | 富士通株式会社 | サーボエラー信号作成回路 |
US5570335A (en) * | 1994-05-23 | 1996-10-29 | Olympus Optical Co., Ltd. | Reproducing waveform correction circuit for optical information recording/reproducing system |
JPH10134364A (ja) * | 1996-10-29 | 1998-05-22 | Sony Corp | 再生装置および方法 |
TR200000886T1 (tr) * | 1998-08-04 | 2000-11-21 | Koninklijke Philips Electronics N.V. | Optik disk ve optik diskin taranması için aygıt |
JP2000057685A (ja) * | 1998-08-11 | 2000-02-25 | Nec Yamagata Ltd | ディスクドライブ装置 |
JP2002157841A (ja) * | 2000-11-16 | 2002-05-31 | Matsushita Electric Ind Co Ltd | ディスク再生装置のクロック抽出装置 |
JP2002279649A (ja) * | 2001-03-22 | 2002-09-27 | Toshiba Corp | 記録媒体及び信号記録方法及び装置及び再生装置 |
JP2003051119A (ja) | 2001-08-07 | 2003-02-21 | Matsushita Electric Ind Co Ltd | アドレス判定回路 |
US20050073932A1 (en) * | 2001-12-26 | 2005-04-07 | Tetsuya Shihara | Optical disc apparatus |
JP4095493B2 (ja) * | 2003-05-30 | 2008-06-04 | 株式会社東芝 | 光ディスク装置及び光ディスク処理方法 |
-
2004
- 2004-10-27 CN CNB2004100879706A patent/CN100347764C/zh not_active Expired - Fee Related
- 2004-10-27 US US10/973,353 patent/US7525898B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09293251A (ja) * | 1996-04-26 | 1997-11-11 | Sanyo Electric Co Ltd | 位相補償装置 |
JPH09316960A (ja) * | 1996-05-30 | 1997-12-09 | Matsushita Electric Works Ltd | 流し台のシンク排水構造 |
JPH09320076A (ja) * | 1996-05-31 | 1997-12-12 | Olympus Optical Co Ltd | 光ディスク装置のトラッキング制御装置 |
Also Published As
Publication number | Publication date |
---|---|
US20050117502A1 (en) | 2005-06-02 |
US7525898B2 (en) | 2009-04-28 |
CN1624777A (zh) | 2005-06-08 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: KELAIBO INNOVATION CO., LTD. Free format text: FORMER OWNER: MATSUSHITA ELECTRIC INDUSTRIAL CO, LTD. Effective date: 20141210 |
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C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP02 | Change in the address of a patent holder |
Address after: Osaka Patentee after: Matsushita Electric Industrial Co.,Ltd. Address before: Osaka Japan Patentee before: Matsushita Electric Industrial Co.,Ltd. |
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TR01 | Transfer of patent right |
Effective date of registration: 20141210 Address after: California, USA Patentee after: Craib Innovations Ltd. Address before: Osaka Patentee before: Matsushita Electric Industrial Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071107 Termination date: 20161027 |
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CF01 | Termination of patent right due to non-payment of annual fee |