DK410484A - Fremgangsmaade og apparat til omdannelse af digitale data - Google Patents
Fremgangsmaade og apparat til omdannelse af digitale data Download PDFInfo
- Publication number
- DK410484A DK410484A DK410484A DK410484A DK410484A DK 410484 A DK410484 A DK 410484A DK 410484 A DK410484 A DK 410484A DK 410484 A DK410484 A DK 410484A DK 410484 A DK410484 A DK 410484A
- Authority
- DK
- Denmark
- Prior art keywords
- digital data
- data conversion
- conversion
- digital
- data
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
-
- 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)
- Dc Digital Transmission (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15764383 | 1983-08-29 | ||
JP58157643A JPS6048645A (ja) | 1983-08-29 | 1983-08-29 | 情報変換装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK410484D0 DK410484D0 (da) | 1984-08-28 |
DK410484A true DK410484A (da) | 1985-03-01 |
DK168782B1 DK168782B1 (da) | 1994-06-06 |
Family
ID=15654204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK410484A DK168782B1 (da) | 1983-08-29 | 1984-08-28 | Fremgangsmåde og apparat til omdannelse af digitale data |
Country Status (17)
Country | Link |
---|---|
US (1) | US4617552A (da) |
JP (1) | JPS6048645A (da) |
KR (1) | KR920005361B1 (da) |
AT (1) | AT394464B (da) |
AU (3) | AU576515B2 (da) |
BE (1) | BE900451A (da) |
BR (1) | BR8404315A (da) |
CA (1) | CA1224273A (da) |
CH (2) | CH662668A5 (da) |
DE (1) | DE3431777A1 (da) |
DK (1) | DK168782B1 (da) |
ES (3) | ES8703219A1 (da) |
FR (1) | FR2551277B1 (da) |
GB (3) | GB2146206B (da) |
IT (1) | IT1175662B (da) |
NL (1) | NL192362C (da) |
SE (3) | SE458165B (da) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4833471A (en) * | 1984-03-26 | 1989-05-23 | Canon Kabushiki Kaisha | Data processing apparatus |
US4786890A (en) * | 1987-07-28 | 1988-11-22 | International Business Machines Corporation | Method and apparatus for implementing a PRML code |
JPH01107373A (ja) * | 1987-10-21 | 1989-04-25 | Sony Corp | データ再生装置 |
US5012240A (en) * | 1988-12-28 | 1991-04-30 | Nippon Hoso Kyokai | Parallel to serial converter with complementary bit insertion for disparity reduction |
DE68920739T2 (de) * | 1989-08-16 | 1995-06-29 | Ibm | Daten-Kodierung für den Sofortstart von PRML-Empfängern. |
EP0471130B1 (en) * | 1990-08-16 | 1995-12-06 | International Business Machines Corporation | Coding method and apparatus for pipelined and parallel processing |
JP2691480B2 (ja) * | 1991-05-20 | 1997-12-17 | 富士通株式会社 | 2b4b符号則逆変換におけるディスパリティ検出回路 |
DE69328642T2 (de) * | 1992-02-19 | 2001-01-11 | Mitsubishi Denki K.K., Tokio/Tokyo | Datenumsetzungsverfahren und Aufzeichnungs-/Wiedergabegerät zur Durchführung desselben |
JP3224418B2 (ja) * | 1992-05-21 | 2001-10-29 | パイオニア株式会社 | 記録データ列2次変調方法 |
DE69330957T2 (de) * | 1993-11-10 | 2002-04-04 | Stmicroelectronics S.R.L., Agrate Brianza | Programmierbarer RLL/NRZ-Dekoder für Einzel-/Doppel-Ausgangsdatenströme |
US5544178A (en) * | 1994-06-10 | 1996-08-06 | Cirrus Logic, Inc. | Method and apparatus for encoding data in a PRML class-IV digital communication channel |
US5644601A (en) * | 1994-10-31 | 1997-07-01 | Symbol Technologies, Inc. | Method and apparatus for bias suppression in a VCO based FM transmission system |
US6295010B1 (en) * | 1998-07-02 | 2001-09-25 | Seagate Technology, Llc | 8B/10B encoder system and method |
JP2000105981A (ja) * | 1998-09-29 | 2000-04-11 | Toshiba Corp | データ変換方法および装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3562742A (en) * | 1966-05-04 | 1971-02-09 | Nippon Electric Co | Reversible code converter |
US3810111A (en) * | 1972-12-26 | 1974-05-07 | Ibm | Data coding with stable base line for recording and transmitting binary data |
DE2947874C2 (de) * | 1979-11-28 | 1985-03-21 | Institut für Rundfunktechnik GmbH, 8000 München | Einrichtung zum Aufzeichnen von Videosignalen in digitaler Form auf einen magnetischen Informationsträger sowie Einrichtung zum Abnehmen von in digitaler Form aufgezeichneten Videosignalen auf einem magnetischen Informationsträger |
JPS57154610A (en) * | 1981-03-20 | 1982-09-24 | Fujitsu General Ltd | Digital modulating and demodulating system |
JPS57176866A (en) * | 1981-04-24 | 1982-10-30 | Sony Corp | Encoder of binary signal |
GB2109200B (en) * | 1981-09-15 | 1985-07-03 | British Broadcasting Corp | Digital data encoding |
US4486739A (en) * | 1982-06-30 | 1984-12-04 | International Business Machines Corporation | Byte oriented DC balanced (0,4) 8B/10B partitioned block transmission code |
-
1983
- 1983-08-29 JP JP58157643A patent/JPS6048645A/ja active Granted
-
1984
- 1984-08-22 AU AU32261/84A patent/AU576515B2/en not_active Expired
- 1984-08-24 CH CH896/87A patent/CH662668A5/fr not_active IP Right Cessation
- 1984-08-24 CA CA000461716A patent/CA1224273A/en not_active Expired
- 1984-08-24 CH CH4043/84A patent/CH661624A5/fr not_active IP Right Cessation
- 1984-08-27 FR FR848413262A patent/FR2551277B1/fr not_active Expired - Lifetime
- 1984-08-27 US US06/644,445 patent/US4617552A/en not_active Expired - Lifetime
- 1984-08-28 DK DK410484A patent/DK168782B1/da not_active IP Right Cessation
- 1984-08-28 KR KR1019840005247A patent/KR920005361B1/ko not_active IP Right Cessation
- 1984-08-28 ES ES535476A patent/ES8703219A1/es not_active Expired
- 1984-08-29 BR BR8404315A patent/BR8404315A/pt not_active IP Right Cessation
- 1984-08-29 NL NL8402631A patent/NL192362C/nl not_active IP Right Cessation
- 1984-08-29 DE DE19843431777 patent/DE3431777A1/de active Granted
- 1984-08-29 SE SE8404288A patent/SE458165B/sv not_active IP Right Cessation
- 1984-08-29 GB GB08421805A patent/GB2146206B/en not_active Expired
- 1984-08-29 AT AT0276384A patent/AT394464B/de not_active IP Right Cessation
- 1984-08-29 IT IT22461/84A patent/IT1175662B/it active
- 1984-08-29 BE BE2/60486A patent/BE900451A/fr not_active IP Right Cessation
-
1986
- 1986-06-25 ES ES556794A patent/ES8800542A1/es not_active Expired
- 1986-06-25 ES ES556795A patent/ES8800543A1/es not_active Expired
-
1987
- 1987-01-23 GB GB08701505A patent/GB2184923B/en not_active Expired
- 1987-01-23 GB GB08701506A patent/GB2184924B/en not_active Expired
-
1988
- 1988-07-08 AU AU18867/88A patent/AU602100B2/en not_active Expired
- 1988-07-08 AU AU18868/88A patent/AU601295B2/en not_active Expired
- 1988-07-27 SE SE8802734A patent/SE467030B/sv not_active IP Right Cessation
- 1988-07-27 SE SE8802733A patent/SE467032B/sv not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
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PBP | Patent lapsed |
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