DE3219439C2 - - Google Patents
Info
- Publication number
- DE3219439C2 DE3219439C2 DE3219439A DE3219439A DE3219439C2 DE 3219439 C2 DE3219439 C2 DE 3219439C2 DE 3219439 A DE3219439 A DE 3219439A DE 3219439 A DE3219439 A DE 3219439A DE 3219439 C2 DE3219439 C2 DE 3219439C2
- Authority
- DE
- Germany
- Prior art keywords
- bit
- code words
- code
- word
- words
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 claims description 29
- 230000007704 transition Effects 0.000 claims description 20
- 230000015654 memory Effects 0.000 claims description 13
- 230000000295 complement effect Effects 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000006403 short-term memory Effects 0.000 description 1
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
- G11B20/14—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
-
- 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
- G11B2020/1438—8 to 10 modulation
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Dc Digital Transmission (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Digital Magnetic Recording (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56079677A JPS57195308A (en) | 1981-05-26 | 1981-05-26 | Block coding method |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3219439A1 DE3219439A1 (de) | 1982-12-16 |
DE3219439C2 true DE3219439C2 (US06826419-20041130-M00005.png) | 1991-09-12 |
Family
ID=13696823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19823219439 Granted DE3219439A1 (de) | 1981-05-26 | 1982-05-24 | Verfahren zum codieren aufeinanderfolgender n-bit-informationswoerter in aufeinanderfolgende m-bit-codewoerter und einrichtung zur durchfuehrung des verfahrens |
Country Status (9)
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4598326A (en) * | 1983-10-18 | 1986-07-01 | Honeywell Inc. | Digital recording apparatus with disparity reducing encoder |
JPS60113366A (ja) * | 1983-11-24 | 1985-06-19 | Sony Corp | 情報変換方式 |
JPS60262279A (ja) * | 1984-06-08 | 1985-12-25 | Hitachi Ltd | データ変換方法 |
GB8423165D0 (en) * | 1984-09-13 | 1984-10-17 | Indep Broadcasting Authority | Digital recording/reproducing apparatus |
FR2580129B1 (US06826419-20041130-M00005.png) * | 1985-04-04 | 1987-05-22 | Telecommunications Sa | |
JPS6249724A (ja) * | 1985-08-29 | 1987-03-04 | Nec Corp | デジタル変調方式 |
US4775985A (en) * | 1987-04-06 | 1988-10-04 | Sony Corporation | Method of dc-free 8/9 nrz coding using a unique sync word pattern |
DE3821450A1 (de) * | 1988-06-27 | 1989-12-28 | Thomson Brandt Gmbh | Uebertragungssystem mit einem uebertragungscode fuer binaere daten |
US5438621A (en) * | 1988-11-02 | 1995-08-01 | Hewlett-Packard Company | DC-free line code and bit and frame synchronization for arbitrary data transmission |
JP2870843B2 (ja) * | 1989-08-31 | 1999-03-17 | ソニー株式会社 | 情報伝送装置 |
EP0494267B1 (en) * | 1989-09-29 | 1995-01-25 | Eastman Kodak Company | Digital optical sound system |
JPH063943B2 (ja) * | 1989-11-13 | 1994-01-12 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 2進データ列の符号化方法 |
US5095484A (en) * | 1989-11-13 | 1992-03-10 | International Business Machines Company Corporation | Phase invariant rate 8/10 matched spectral null code for PRML |
GB2247138B (en) * | 1990-06-29 | 1994-10-12 | Digital Equipment Corp | System and method for error detection and reducing simultaneous switching noise |
US5099237A (en) * | 1990-07-10 | 1992-03-24 | Research Corporation Technologies, Inc. | Method and apparatus for providing maximum rate modulation or compression encoding and decoding |
DE69128616T2 (de) * | 1990-11-13 | 1998-08-06 | Hewlett Packard Co | Gleichstromfreier leitungskode und bit- und rahmensynchronisation für beliebige datenübertragung |
US5349349A (en) * | 1991-09-30 | 1994-09-20 | Sony Corporation | Modulator circuit for a recording for a digital recording medium |
US5625644A (en) * | 1991-12-20 | 1997-04-29 | Myers; David J. | DC balanced 4B/8B binary block code for digital data communications |
JPH05284035A (ja) * | 1992-03-31 | 1993-10-29 | Sony Corp | 情報変換方法 |
GB2267416B (en) * | 1992-05-27 | 1995-09-20 | Sony Broadcast & Communication | Coding of digital signals |
ES2126877T4 (es) * | 1994-02-15 | 2005-06-16 | Koninklijke Philips Electronics N.V. | Metodo de conversion de serie de palabras de informacion de "m" bits en señal modulada, metodo de produccion de soporte de grabacion, dispositivo de codificacion, dispositivo de decodificacion, dispositivo de grabacion, dispositivo de lectura señal, asi como soporte de grabacion. |
JPH0846648A (ja) * | 1994-07-29 | 1996-02-16 | Okuma Mach Works Ltd | 通信装置 |
WO1998023060A1 (fr) * | 1996-11-22 | 1998-05-28 | Sony Corporation | Procede et dispositif de transmission des donnees |
SE517770C2 (sv) * | 1997-01-17 | 2002-07-16 | Ericsson Telefon Ab L M | Seriell-parallellomvandlare |
JP2002527924A (ja) * | 1998-10-01 | 2002-08-27 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | ランレングス制限デジタル情報信号の生成装置及び方法 |
TWI268047B (en) * | 2000-03-22 | 2006-12-01 | Lg Electronics Inc | Method and apparatus for coding information, method and apparatus for decoding coded information, method of fabricating a recording medium, the recording medium and modulated signal |
DE10134472B4 (de) * | 2001-07-16 | 2005-12-15 | Infineon Technologies Ag | Sende- und Empfangsschnittstelle und Verfahren zur Datenübertragung |
US6563436B2 (en) * | 2001-09-24 | 2003-05-13 | Zenith Electronics Corporation | Kerdock coding and decoding system for map data |
US6924753B2 (en) | 2001-09-24 | 2005-08-02 | Zenith Electronics Corporation | Robust system for transmitting and receiving map data |
US6961010B2 (en) * | 2003-08-13 | 2005-11-01 | Seagate Technology Llc | DC-free code design with increased distance between code words |
US8166217B2 (en) * | 2004-06-28 | 2012-04-24 | Marvell International Ltd. | System and method for reading and writing data using storage controllers |
US7292161B2 (en) * | 2005-05-31 | 2007-11-06 | International Business Machines Corporation | NB/MB coding apparatus and method using both disparity independent and disparity dependent encoded vectors |
US7405679B1 (en) | 2007-01-30 | 2008-07-29 | International Business Machines Corporation | Techniques for 9B10B and 7B8B coding and decoding |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3685033A (en) * | 1970-08-24 | 1972-08-15 | Honeywell Inc | Block encoding for magnetic recording systems |
NL155149B (nl) * | 1972-05-04 | 1977-11-15 | Nederlanden Staat | Stelsel voor het omvormen van tekens volgens een tweewaardige code in tekens volgens een driewaardige code. |
US3906485A (en) * | 1973-06-13 | 1975-09-16 | Ibm | Data coding circuits for encoded waveform with constrained charge accumulation |
JPS5857805B2 (ja) * | 1975-11-25 | 1983-12-22 | 日本電信電話株式会社 | コ−ド変換回路 |
NL7807503A (nl) * | 1977-07-14 | 1979-01-16 | Indep Broadcasting Authority | Transmissie en/of registratie van digitale signalen. |
GB1569076A (en) * | 1978-05-18 | 1980-06-11 | Plessey Co Ltd | Digital transmission system using discrepancy line coding |
JPS55141852A (en) * | 1979-04-24 | 1980-11-06 | Sony Corp | Data converting system |
JPS5619506A (en) * | 1979-07-23 | 1981-02-24 | Sony Corp | Code converting method |
JPS5665313A (en) * | 1979-10-29 | 1981-06-03 | Sony Corp | Data converting circuit |
JPS5665314A (en) * | 1979-11-02 | 1981-06-03 | Sony Corp | Encoder for binary signal |
CA1154539A (en) * | 1980-06-05 | 1983-09-27 | Peter E.K. Chow | Code converter for polarity-insensitive transmission systems |
FR2507035B1 (fr) * | 1981-06-02 | 1988-09-16 | Thomson Csf | Procede de codage de donnees binaires et dispositif de transmission de signal video numerise mettant en oeuvre un tel procede |
US4413251A (en) * | 1981-07-16 | 1983-11-01 | International Business Machines Corporation | Method and apparatus for generating a noiseless sliding block code for a (1,7) channel with rate 2/3 |
-
1981
- 1981-05-26 JP JP56079677A patent/JPS57195308A/ja active Granted
-
1982
- 1982-04-14 CA CA000400948A patent/CA1193016A/en not_active Expired
- 1982-04-29 GB GB8212428A patent/GB2099263B/en not_active Expired
- 1982-04-30 AU AU83163/82A patent/AU548434B2/en not_active Ceased
- 1982-05-20 US US06/380,336 patent/US4517552A/en not_active Expired - Lifetime
- 1982-05-24 DE DE19823219439 patent/DE3219439A1/de active Granted
- 1982-05-25 FR FR8209067A patent/FR2507029B1/fr not_active Expired
- 1982-05-26 AT AT0207682A patent/AT384695B/de not_active IP Right Cessation
- 1982-05-26 NL NL8202159A patent/NL8202159A/nl not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NL8202159A (nl) | 1982-12-16 |
AU8316382A (en) | 1982-12-02 |
GB2099263B (en) | 1985-03-20 |
CA1193016A (en) | 1985-09-03 |
GB2099263A (en) | 1982-12-01 |
FR2507029B1 (fr) | 1986-02-28 |
ATA207682A (de) | 1987-05-15 |
FR2507029A1 (fr) | 1982-12-03 |
JPS57195308A (en) | 1982-12-01 |
JPH0544206B2 (US06826419-20041130-M00005.png) | 1993-07-05 |
US4517552A (en) | 1985-05-14 |
AT384695B (de) | 1987-12-28 |
DE3219439A1 (de) | 1982-12-16 |
AU548434B2 (en) | 1985-12-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition |