CN1300779C - 在写录时侦测光盘片瑕疵区块的装置与方法 - Google Patents
在写录时侦测光盘片瑕疵区块的装置与方法 Download PDFInfo
- Publication number
- CN1300779C CN1300779C CNB2005100095252A CN200510009525A CN1300779C CN 1300779 C CN1300779 C CN 1300779C CN B2005100095252 A CNB2005100095252 A CN B2005100095252A CN 200510009525 A CN200510009525 A CN 200510009525A CN 1300779 C CN1300779 C CN 1300779C
- Authority
- CN
- China
- Prior art keywords
- reflected signal
- flaw
- detecting
- particular range
- flaw area
- 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
Links
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
-
- 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
- G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
- G11B7/00375—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs arrangements for detection of physical defects, e.g. of recording layer
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
- G11B2220/215—Recordable discs
- G11B2220/216—Rewritable discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
- G11B2220/215—Recordable discs
- G11B2220/218—Write-once discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2545—CDs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/782,352 US7187638B2 (en) | 2004-02-19 | 2004-02-19 | Apparatus and method for detecting defects of a recording and reproducing system |
US10/782,352 | 2004-02-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1652219A CN1652219A (zh) | 2005-08-10 |
CN1300779C true CN1300779C (zh) | 2007-02-14 |
Family
ID=34861012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100095252A Expired - Fee Related CN1300779C (zh) | 2004-02-19 | 2005-02-21 | 在写录时侦测光盘片瑕疵区块的装置与方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7187638B2 (zh) |
CN (1) | CN1300779C (zh) |
TW (1) | TWI302696B (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005293637A (ja) * | 2004-03-31 | 2005-10-20 | Sony Corp | 光ディスク記録再生装置及びその信号検出方法 |
US8054717B1 (en) | 2006-10-16 | 2011-11-08 | Marvell International Ltd. | Defect detection design |
US8164846B1 (en) | 2007-12-20 | 2012-04-24 | Marvell International Ltd. | Hybrid defect detection for recording channels |
US8612843B2 (en) * | 2011-08-19 | 2013-12-17 | Lsi Corporation | Systems and methods for qualitative media defect determination |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02141916A (ja) * | 1988-11-22 | 1990-05-31 | Toshiba Corp | 磁気ヘッド位置決め制御装置 |
JPH05273141A (ja) * | 1992-03-30 | 1993-10-22 | Taiyo Yuden Co Ltd | 光ディスク検査装置 |
JPH0798873A (ja) * | 1993-09-30 | 1995-04-11 | Sony Corp | 光学ディスク装置 |
JPH09270128A (ja) * | 1996-04-01 | 1997-10-14 | Taiyo Yuden Co Ltd | 光ディスクのランニングopc方法及び光ディスク記録再生装置 |
JPH1040548A (ja) * | 1996-07-26 | 1998-02-13 | Taiyo Yuden Co Ltd | 光ディスクのランニングopc方法及び光ディスク記録再生装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07320402A (ja) * | 1994-05-25 | 1995-12-08 | Sony Corp | 光デイスク再生装置 |
-
2004
- 2004-02-19 US US10/782,352 patent/US7187638B2/en active Active
-
2005
- 2005-02-21 CN CNB2005100095252A patent/CN1300779C/zh not_active Expired - Fee Related
- 2005-02-21 TW TW094104982A patent/TWI302696B/zh not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02141916A (ja) * | 1988-11-22 | 1990-05-31 | Toshiba Corp | 磁気ヘッド位置決め制御装置 |
JPH05273141A (ja) * | 1992-03-30 | 1993-10-22 | Taiyo Yuden Co Ltd | 光ディスク検査装置 |
JPH0798873A (ja) * | 1993-09-30 | 1995-04-11 | Sony Corp | 光学ディスク装置 |
JPH09270128A (ja) * | 1996-04-01 | 1997-10-14 | Taiyo Yuden Co Ltd | 光ディスクのランニングopc方法及び光ディスク記録再生装置 |
JPH1040548A (ja) * | 1996-07-26 | 1998-02-13 | Taiyo Yuden Co Ltd | 光ディスクのランニングopc方法及び光ディスク記録再生装置 |
Also Published As
Publication number | Publication date |
---|---|
TW200537446A (en) | 2005-11-16 |
US7187638B2 (en) | 2007-03-06 |
TWI302696B (en) | 2008-11-01 |
CN1652219A (zh) | 2005-08-10 |
US20050185540A1 (en) | 2005-08-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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: YUTIAN STOCK CO., LTD. Free format text: FORMER OWNER: WEISHENG ELECTRONICS CO., LTD. Effective date: 20080125 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20080125 Address after: Delaware Patentee after: VIA Technologies, Inc. Address before: The new city of Taiwan province Taipei County Road No. 533 8 floor Patentee before: VIA TECHNOLOGIES, Inc. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070214 |
|
CF01 | Termination of patent right due to non-payment of annual fee |