EA200300859A1 - Способ преобразования м-битовых информационных слов в модулированный сигнал - Google Patents
Способ преобразования м-битовых информационных слов в модулированный сигналInfo
- Publication number
- EA200300859A1 EA200300859A1 EA200300859A EA200300859A EA200300859A1 EA 200300859 A1 EA200300859 A1 EA 200300859A1 EA 200300859 A EA200300859 A EA 200300859A EA 200300859 A EA200300859 A EA 200300859A EA 200300859 A1 EA200300859 A1 EA 200300859A1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- stitching
- word
- words
- zeros
- code
- 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
-
- 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
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
- G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M5/00—Conversion of the form of the representation of individual digits
- H03M5/02—Conversion to or from representation by pulses
- H03M5/04—Conversion to or from representation by pulses the pulses having two levels
- H03M5/14—Code representation, e.g. transition, for a given bit cell depending on the information in one or more adjacent bit cells, e.g. delay modulation code, double density code
- H03M5/145—Conversion to or from block codes or representations thereof
-
- 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
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
- G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
- G11B2020/1461—8 to 14 modulation, e.g. the EFM code used on CDs or mini-discs
-
- 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
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
- G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
- G11B2020/1469—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof modulation code with one or more merging bits between consecutive codewords
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Изобретение относится к способу цифровой модуляции и устройству, используемому для записи аудио- или видеосигнала, компьютерных данных и т.п. на носитель записи, такой как оптический или магнитно-оптический диск. Слова данных, состоящие из m битов, преобразуют в кодовые слова, состоящие из n битов, в соответствии с таблицей преобразования. Кодовые слова удовлетворяют (d, k) ограничению, согласно которому по меньшей мере d нулей («0») и не более k нулей «0» могут присутствовать между последовательными «1». n-битовые кодовые слова чередуются р-битовыми словами сшивания, которые выбирают таким образом, что между ведущей «1» в кодовом слове, следующем за словом сшивания, и замыкающей «1» в слове сшивания имеется по меньшей мере d нулей («0»), и более того между замыкающей «1» в кодовом слове, предшествующем слову сшивания, и ведущей «1» в слове сшивания имеется по меньшей мере d нулей («0»). Выбирают слово сшивания, удовлетворяющее указанным условиям, дающее наименьший дисбаланс по постоянной составляющей модулированного сигнала, полученного после интегрирования по модулю-2 сцепления чередующихся кодовых слов и слов сшивания. Затем формируют модулированный сигнал путем сцепления чередованных кодовых слов и слов сшивания, интегрированных по модулю-2, и в указанном сигнале «1» становится переходом, а «0» становится отсутствием перехода. Периодически вводят особое синхронизирующее слово.Международная заявка была опубликована вместе с отчетом о международном поиске.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2001/001151 WO2002063774A1 (en) | 2001-02-02 | 2001-02-02 | Method of converting a series of m-bit information words into a modulated signal |
Publications (2)
Publication Number | Publication Date |
---|---|
EA200300859A1 true EA200300859A1 (ru) | 2003-12-25 |
EA005043B1 EA005043B1 (ru) | 2004-10-28 |
Family
ID=8164278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA200300859A EA005043B1 (ru) | 2001-02-02 | 2001-02-02 | Способ преобразования м-битовых информационных слов в модулированный сигнал |
Country Status (18)
Country | Link |
---|---|
US (1) | US6768432B2 (ru) |
EP (1) | EP1360769A1 (ru) |
JP (1) | JP2004518241A (ru) |
KR (1) | KR20020086754A (ru) |
CN (1) | CN1422457A (ru) |
BG (1) | BG107160A (ru) |
BR (1) | BR0109726A (ru) |
CA (1) | CA2404980A1 (ru) |
CZ (1) | CZ20023259A3 (ru) |
EA (1) | EA005043B1 (ru) |
EE (1) | EE200200569A (ru) |
IL (2) | IL152008A0 (ru) |
MX (1) | MXPA02009474A (ru) |
NO (1) | NO20024704L (ru) |
PL (1) | PL362892A1 (ru) |
TW (1) | TW516027B (ru) |
UA (1) | UA74412C2 (ru) |
WO (1) | WO2002063774A1 (ru) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE287548T1 (de) | 2001-10-05 | 2005-02-15 | Fraunhofer Ges Forschung | Projektionsvorrichtung |
CN100477529C (zh) * | 2002-01-23 | 2009-04-08 | 皇家飞利浦电子股份有限公司 | 把信息字变换成信号的方法及其编码设备和再现设备 |
JP4143330B2 (ja) * | 2002-05-14 | 2008-09-03 | ソニー株式会社 | データ記録媒体、データ記録方法及び装置 |
GB0227841D0 (en) * | 2002-11-29 | 2003-01-08 | Univ Manchester | Communication method |
JP3769753B2 (ja) * | 2003-03-24 | 2006-04-26 | ソニー株式会社 | 符号化装置および符号化方法、記録媒体、並びにプログラム |
CN100446006C (zh) | 2005-07-13 | 2008-12-24 | 鸿富锦精密工业(深圳)有限公司 | 用于模拟分析的多种激励源自动产生系统及方法 |
KR101422006B1 (ko) * | 2007-09-17 | 2014-07-23 | 엘지전자 주식회사 | 데이터의 인코딩/디코딩 방법, 데이터의 검출방법 및데이터의 기록/재생 방법 |
KR102417980B1 (ko) * | 2017-11-07 | 2022-07-07 | 에스케이하이닉스 주식회사 | 범용 비동기 송수신 부 및 이를 포함하는 메모리 컨트롤러 및 메모리 시스템 |
CN110427133A (zh) * | 2019-07-31 | 2019-11-08 | 中国工商银行股份有限公司 | 数据处理方法和数据处理装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4501000A (en) * | 1981-07-27 | 1985-02-19 | Sony Corporation | Method of coding binary data |
JPS5846751A (ja) * | 1981-09-11 | 1983-03-18 | Sony Corp | Z値符号変調方法及び記録媒体 |
EP0193153B1 (en) * | 1985-02-25 | 1991-11-13 | Matsushita Electric Industrial Co., Ltd. | Digital data recording and reproducing method |
JP2974678B2 (ja) * | 1988-06-23 | 1999-11-10 | ソニー株式会社 | データ誤り検出方式 |
US4988999A (en) * | 1989-04-12 | 1991-01-29 | Nippon Hoso Kyokai | Digital modulation method |
EP0655850A3 (en) * | 1993-10-28 | 1995-07-19 | Philips Electronics Nv | Transmission and reception of a digital information signal. |
JP3541439B2 (ja) * | 1994-07-08 | 2004-07-14 | ソニー株式会社 | 信号変調方法及び装置、並びに信号復調装置及び方法 |
JP3457093B2 (ja) * | 1995-04-14 | 2003-10-14 | 松下電器産業株式会社 | 記録媒体並びにデジタル変復調方法およびその装置 |
US6351501B1 (en) * | 1998-06-29 | 2002-02-26 | National Semiconductro Corporation | Apparatus and method for providing direct current balanced code |
KR100294893B1 (ko) * | 1999-03-09 | 2001-07-12 | 윤종용 | 개선된 dc 억압 능력을 갖는 rll 코드 생성 방법 과 생성된 rll 코드 변복조 방법 |
-
2001
- 2001-02-02 CA CA002404980A patent/CA2404980A1/en not_active Abandoned
- 2001-02-02 KR KR1020027013195A patent/KR20020086754A/ko active IP Right Grant
- 2001-02-02 PL PL01362892A patent/PL362892A1/xx not_active Application Discontinuation
- 2001-02-02 IL IL15200801A patent/IL152008A0/xx not_active IP Right Cessation
- 2001-02-02 JP JP2002563605A patent/JP2004518241A/ja not_active Withdrawn
- 2001-02-02 EE EEP200200569A patent/EE200200569A/xx unknown
- 2001-02-02 EP EP01903692A patent/EP1360769A1/en not_active Withdrawn
- 2001-02-02 CZ CZ20023259A patent/CZ20023259A3/cs unknown
- 2001-02-02 UA UA2003087300A patent/UA74412C2/ru unknown
- 2001-02-02 WO PCT/EP2001/001151 patent/WO2002063774A1/en not_active Application Discontinuation
- 2001-02-02 MX MXPA02009474A patent/MXPA02009474A/es active IP Right Grant
- 2001-02-02 BR BR0109726-1A patent/BR0109726A/pt not_active IP Right Cessation
- 2001-02-02 EA EA200300859A patent/EA005043B1/ru not_active IP Right Cessation
- 2001-02-02 CN CN01807650A patent/CN1422457A/zh active Pending
- 2001-03-09 TW TW090105510A patent/TW516027B/zh not_active IP Right Cessation
-
2002
- 2002-01-29 US US10/239,270 patent/US6768432B2/en not_active Expired - Fee Related
- 2002-09-30 IL IL152008A patent/IL152008A/en unknown
- 2002-10-01 NO NO20024704A patent/NO20024704L/no unknown
- 2002-10-02 BG BG107160A patent/BG107160A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NO20024704D0 (no) | 2002-10-01 |
CA2404980A1 (en) | 2001-08-15 |
EE200200569A (et) | 2004-04-15 |
IL152008A (en) | 2007-03-08 |
NO20024704L (no) | 2002-12-02 |
BG107160A (en) | 2003-05-30 |
BR0109726A (pt) | 2003-02-04 |
WO2002063774A1 (en) | 2002-08-15 |
IL152008A0 (en) | 2003-04-10 |
UA74412C2 (ru) | 2005-12-15 |
KR20020086754A (ko) | 2002-11-18 |
CZ20023259A3 (cs) | 2003-06-18 |
MXPA02009474A (es) | 2003-09-22 |
CN1422457A (zh) | 2003-06-04 |
PL362892A1 (en) | 2004-11-02 |
US6768432B2 (en) | 2004-07-27 |
US20030141996A1 (en) | 2003-07-31 |
EP1360769A1 (en) | 2003-11-12 |
JP2004518241A (ja) | 2004-06-17 |
EA005043B1 (ru) | 2004-10-28 |
TW516027B (en) | 2003-01-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): AM KZ KG MD TJ TM |
|
MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): AZ BY RU |