DE3789815D1 - Datenmodulations- und Demodulationssystem für ein magnetisches Aufzeichnungssystem. - Google Patents
Datenmodulations- und Demodulationssystem für ein magnetisches Aufzeichnungssystem.Info
- Publication number
- DE3789815D1 DE3789815D1 DE3789815T DE3789815T DE3789815D1 DE 3789815 D1 DE3789815 D1 DE 3789815D1 DE 3789815 T DE3789815 T DE 3789815T DE 3789815 T DE3789815 T DE 3789815T DE 3789815 D1 DE3789815 D1 DE 3789815D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic recording
- data modulation
- demodulation
- recording system
- demodulation system
- 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
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61292205A JPH061608B2 (ja) | 1986-12-08 | 1986-12-08 | デ−タの変復調装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3789815D1 true DE3789815D1 (de) | 1994-06-16 |
DE3789815T2 DE3789815T2 (de) | 1994-08-18 |
Family
ID=17778886
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3789050T Expired - Fee Related DE3789050T2 (de) | 1986-12-08 | 1987-12-08 | Datenmodulations- und Demodulationssystem für ein magnetisches Aufzeichnungssystem. |
DE3751898T Expired - Fee Related DE3751898T2 (de) | 1986-12-08 | 1987-12-08 | Datenmodulations- und Demodulationssystem für ein magnetisches Aufzeichnungssystem |
DE3789815T Expired - Fee Related DE3789815T2 (de) | 1986-12-08 | 1987-12-08 | Datenmodulations- und Demodulationssystem für ein magnetisches Aufzeichnungssystem. |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3789050T Expired - Fee Related DE3789050T2 (de) | 1986-12-08 | 1987-12-08 | Datenmodulations- und Demodulationssystem für ein magnetisches Aufzeichnungssystem. |
DE3751898T Expired - Fee Related DE3751898T2 (de) | 1986-12-08 | 1987-12-08 | Datenmodulations- und Demodulationssystem für ein magnetisches Aufzeichnungssystem |
Country Status (5)
Country | Link |
---|---|
US (1) | US4866544A (de) |
EP (3) | EP0536816B1 (de) |
JP (1) | JPH061608B2 (de) |
KR (1) | KR910002746B1 (de) |
DE (3) | DE3789050T2 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4823209A (en) * | 1987-11-05 | 1989-04-18 | Magnetic Peripherals Inc. | 1,7,2,3 Encoding/decoding employing 3/2 frequency division |
JPH01286626A (ja) * | 1988-01-18 | 1989-11-17 | Hitachi Ltd | データ符号化方式 |
US5184125A (en) * | 1989-06-28 | 1993-02-02 | Digital Equipment Corporation | Data encoding and demodulation system |
CA2016957A1 (en) * | 1989-06-28 | 1990-12-28 | Lih-Jyh Weng | Data encoding and demodulation system |
EP0416930B1 (de) * | 1989-09-08 | 1997-11-12 | Fujitsu Limited | Kodier- und Dekodierschaltung für lauflängenbegrenzte Kodierung |
US4964107A (en) * | 1990-03-14 | 1990-10-16 | International Business Machines Corporation | Relative timing precompensation of high-speed pulse signals for digital magnetic recoding |
US6222525B1 (en) | 1992-03-05 | 2001-04-24 | Brad A. Armstrong | Image controllers with sheet connected sensors |
US6906700B1 (en) | 1992-03-05 | 2005-06-14 | Anascape | 3D controller with vibration |
JPH0828965B2 (ja) * | 1992-09-02 | 1996-03-21 | 日本電気株式会社 | 電圧変換回路 |
US5424881A (en) | 1993-02-01 | 1995-06-13 | Cirrus Logic, Inc. | Synchronous read channel |
JP3193810B2 (ja) * | 1993-08-31 | 2001-07-30 | 富士通株式会社 | 不揮発性半導体記憶装置及びその試験方法 |
EP0644544B1 (de) * | 1993-09-21 | 1999-11-17 | STMicroelectronics S.r.l. | Hochfrequenz Dekodierer mit Pipeline-Struktur für lauflängenbegrenzte Daten |
DE69330957T2 (de) * | 1993-11-10 | 2002-04-04 | Stmicroelectronics S.R.L., Agrate Brianza | Programmierbarer RLL/NRZ-Dekoder für Einzel-/Doppel-Ausgangsdatenströme |
US8674932B2 (en) | 1996-07-05 | 2014-03-18 | Anascape, Ltd. | Image controller |
KR100370223B1 (ko) * | 2001-02-05 | 2003-02-05 | 삼성전자 주식회사 | 데이터 기록/재생 장치 및 그 방법과 데이터 부호화 방법 |
JP4723756B2 (ja) * | 2001-06-06 | 2011-07-13 | 日本クラウンコルク株式会社 | 容器蓋 |
US7526666B1 (en) * | 2006-09-06 | 2009-04-28 | Nvidia Corporation | Derived clock synchronization for reduced skew and jitter |
US10298382B2 (en) * | 2016-06-23 | 2019-05-21 | Omnivision Technologies, Inc. | 1-16 and 1.5-7.5 frequency divider for clock synthesizer in digital systems |
CN111405286B (zh) * | 2020-03-30 | 2023-11-03 | 沈阳航空产业技术研究院有限公司 | 一种自适应编解码双线信息传输方法和装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2444218C2 (de) * | 1974-09-16 | 1976-10-14 | Siemens Ag | Verfahren und anordnung zum darstellen von digitalen daten durch binaersignale |
US3996613A (en) * | 1975-10-21 | 1976-12-07 | Sperry Rand Corporation | Data recording and transmission apparatus utilizing non-consecutive zero coding |
US4348640A (en) * | 1980-09-25 | 1982-09-07 | Rockwell International Corporation | Divide by three clock divider with symmertical output |
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 |
EP0090047B1 (de) * | 1981-09-25 | 1987-12-16 | Mitsubishi Denki Kabushiki Kaisha | System zur kodierung und entkodierung binärer daten |
US4488142A (en) * | 1981-12-31 | 1984-12-11 | International Business Machines Corporation | Apparatus for encoding unconstrained data onto a (1,7) format with rate 2/3 |
US4503420A (en) * | 1982-05-07 | 1985-03-05 | Digital Equipment Corporation | Arrangement for encoding and decoding information signals |
JPH07118657B2 (ja) * | 1985-04-15 | 1995-12-18 | 三菱電機株式会社 | 2進デ−タ符号化及び復号化方式 |
US4688016A (en) * | 1985-06-13 | 1987-08-18 | International Business Machines Corporation | Byte-wide encoder and decoder system for RLL (1,7) code |
US4675652A (en) * | 1986-04-11 | 1987-06-23 | Quantum Corporation | Integrated encoder decoder for variable length, zero run length limited codes |
-
1986
- 1986-12-08 JP JP61292205A patent/JPH061608B2/ja not_active Expired - Fee Related
-
1987
- 1987-12-07 KR KR8713911A patent/KR910002746B1/ko not_active IP Right Cessation
- 1987-12-08 EP EP92122077A patent/EP0536816B1/de not_active Expired - Lifetime
- 1987-12-08 EP EP93114259A patent/EP0583014B1/de not_active Expired - Lifetime
- 1987-12-08 EP EP87310779A patent/EP0271317B1/de not_active Expired - Lifetime
- 1987-12-08 US US07/130,799 patent/US4866544A/en not_active Expired - Lifetime
- 1987-12-08 DE DE3789050T patent/DE3789050T2/de not_active Expired - Fee Related
- 1987-12-08 DE DE3751898T patent/DE3751898T2/de not_active Expired - Fee Related
- 1987-12-08 DE DE3789815T patent/DE3789815T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0583014A1 (de) | 1994-02-16 |
KR880008294A (ko) | 1988-08-30 |
EP0536816A1 (de) | 1993-04-14 |
KR910002746B1 (en) | 1991-05-03 |
US4866544A (en) | 1989-09-12 |
EP0271317A3 (en) | 1989-11-15 |
JPS63144465A (ja) | 1988-06-16 |
DE3751898T2 (de) | 1997-01-23 |
EP0271317A2 (de) | 1988-06-15 |
DE3789815T2 (de) | 1994-08-18 |
DE3789050T2 (de) | 1994-06-01 |
JPH061608B2 (ja) | 1994-01-05 |
EP0271317B1 (de) | 1994-02-09 |
EP0583014B1 (de) | 1996-09-04 |
EP0536816B1 (de) | 1994-05-11 |
DE3751898D1 (de) | 1996-10-10 |
DE3789050D1 (de) | 1994-03-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |