CN100452179C - 用于红光多阶光存储装置的读出信号检测方法及装置 - Google Patents
用于红光多阶光存储装置的读出信号检测方法及装置 Download PDFInfo
- Publication number
- CN100452179C CN100452179C CNB2006101563447A CN200610156344A CN100452179C CN 100452179 C CN100452179 C CN 100452179C CN B2006101563447 A CNB2006101563447 A CN B2006101563447A CN 200610156344 A CN200610156344 A CN 200610156344A CN 100452179 C CN100452179 C CN 100452179C
- Authority
- CN
- China
- Prior art keywords
- sequence
- path
- survivor path
- output signal
- sigma
- 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
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
- Error Detection And Correction (AREA)
Abstract
Description
Claims (17)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006101563447A CN100452179C (zh) | 2006-12-29 | 2006-12-29 | 用于红光多阶光存储装置的读出信号检测方法及装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006101563447A CN100452179C (zh) | 2006-12-29 | 2006-12-29 | 用于红光多阶光存储装置的读出信号检测方法及装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1975872A CN1975872A (zh) | 2007-06-06 |
CN100452179C true CN100452179C (zh) | 2009-01-14 |
Family
ID=38125888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006101563447A Expired - Fee Related CN100452179C (zh) | 2006-12-29 | 2006-12-29 | 用于红光多阶光存储装置的读出信号检测方法及装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100452179C (zh) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6335913B1 (en) * | 1998-03-20 | 2002-01-01 | Kabushiki Kaisha Toshiba | Disk memory device and disk read-out signal processor |
EP1414035A2 (en) * | 2002-10-21 | 2004-04-28 | Ricoh Company, Ltd. | Data recording/reproducing device |
CN1553450A (zh) * | 2003-12-19 | 2004-12-08 | 清华大学 | 用于光致变色多阶光存储的游程长度受限编码式写入方法 |
-
2006
- 2006-12-29 CN CNB2006101563447A patent/CN100452179C/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6335913B1 (en) * | 1998-03-20 | 2002-01-01 | Kabushiki Kaisha Toshiba | Disk memory device and disk read-out signal processor |
EP1414035A2 (en) * | 2002-10-21 | 2004-04-28 | Ricoh Company, Ltd. | Data recording/reproducing device |
CN1553450A (zh) * | 2003-12-19 | 2004-12-08 | 清华大学 | 用于光致变色多阶光存储的游程长度受限编码式写入方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1975872A (zh) | 2007-06-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101168344B1 (ko) | 재생 신호의 평가방법 및 광디스크 장치 | |
US5619539A (en) | Data detection methods and apparatus for a direct access storage device | |
US7139231B2 (en) | Information recording and reproducing apparatus, evaluation method, and information recording and reproducing medium | |
US6931585B1 (en) | Detection in the presence of media noise | |
KR20090045324A (ko) | 기록 재생 장치, 평가값 연산 방법, 평가값 연산 장치 | |
CN1942966B (zh) | 用于光学存储系统的dc控制编码 | |
CN101952891B (zh) | 再生信号评价方法、再生信号评价装置及具备再生信号评价装置的光盘装置 | |
CN100452179C (zh) | 用于红光多阶光存储装置的读出信号检测方法及装置 | |
CN100452180C (zh) | 用于蓝光多阶光存储装置的读出信号检测方法及装置 | |
JP2009110656A (ja) | 再生信号の評価方法および光ディスク装置 | |
JPH09181613A (ja) | ディジタル信号再生装置および再生方法 | |
CN1319064C (zh) | 具有替换部件的记录/再现装置和替换突发差错的方法 | |
KR100387233B1 (ko) | 데이터 저장기기의 데이터 검출방법 및 장치 | |
KR100474819B1 (ko) | 데이터기록/재생장치의신호검출방법및그장치 | |
JP2002184132A (ja) | D=2光チャネル用データ処理装置および方法 | |
JP3756927B2 (ja) | 情報記録再生装置及びその信号評価方法 | |
US6573845B2 (en) | Method for converting an analogue signal into a binary output signal | |
KR100297827B1 (ko) | 고밀도저장기기에있어서디코딩방법및장치 | |
JP3151958B2 (ja) | 再生データ検出方式 | |
KR100664006B1 (ko) | 디지털 신호 처리 장치 및 방법 | |
KR100202545B1 (ko) | 기록매체의 재생신호 판정 장치 및 방법 | |
KR20010064329A (ko) | 디지털 신호 재생 장치 및 방법 | |
US7969848B1 (en) | System and method of decoupling asymmetry from baseline compensation | |
KR19990038679A (ko) | 비터비 검출방법 및 장치 | |
JP2005223584A (ja) | 最尤復号方法及び最尤復号装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: SHANGHAI KILLER WHALE ELECTRONIC SCIENCE AND TECH Free format text: FORMER OWNER: BAOLIXING DATA OPTIC DISC CO., LTD., BEIJING Effective date: 20080229 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20080229 Address after: Shanghai Zhangjiang hi tech park, 2500 East long avenue, F building, 231, post code: 201203 Applicant after: Shanghai Grampus Electronic Technology Co. Ltd. Address before: Postal code 26, Yuhua Road, B District, Tianzhu Airport Industrial District, Beijing: 101300 Applicant before: Beijing Baolixing Data Optical Disc Co., Ltd. |
|
ASS | Succession or assignment of patent right |
Owner name: SHANGHAI XIANGZHANG ELECTRONICS CO., LTD. Free format text: FORMER OWNER: SHANGHAI KILLER WHALE ELECTRONIC SCIENCE AND TECHNOLOGY CO., LTD. Effective date: 20080815 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20080815 Address after: 4, Fu Hui Road, 20 Fu Fu Road, Shanghai, Songjiang District, China: 201600 Applicant after: Shanghai Xiangzhang Electronic Co., Ltd. Address before: Shanghai Zhangjiang hi tech park, 2500 East long avenue, F building, 231, post code: 201203 Applicant before: Shanghai Grampus Electronic Technology Co. Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090114 Termination date: 20141229 |
|
EXPY | Termination of patent right or utility model |