DE69021965D1 - Reproduziereinrichtung für digitale Signale. - Google Patents
Reproduziereinrichtung für digitale Signale.Info
- Publication number
- DE69021965D1 DE69021965D1 DE69021965T DE69021965T DE69021965D1 DE 69021965 D1 DE69021965 D1 DE 69021965D1 DE 69021965 T DE69021965 T DE 69021965T DE 69021965 T DE69021965 T DE 69021965T DE 69021965 D1 DE69021965 D1 DE 69021965D1
- Authority
- DE
- Germany
- Prior art keywords
- digital signals
- reproduction device
- reproduction
- digital
- signals
- 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
- 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
- G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
- G11B20/1419—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol to or from biphase level coding, i.e. to or from codes where a one is coded as a transition from a high to a low level during the middle of a bit cell and a zero is encoded as a transition from a low to a high level during the middle of a bit cell or vice versa, e.g. split phase code, Manchester code conversion to or from biphase space or mark coding, i.e. to or from codes where there is a transition at the beginning of every bit cell and a one has no second transition and a zero has a second transition one half of a bit period later or vice versa, e.g. double frequency code, FM code
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1165290A JPH0332132A (ja) | 1989-06-29 | 1989-06-29 | デジタル信号復号装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69021965D1 true DE69021965D1 (de) | 1995-10-05 |
DE69021965T2 DE69021965T2 (de) | 1996-02-22 |
Family
ID=15809520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69021965T Expired - Fee Related DE69021965T2 (de) | 1989-06-29 | 1990-06-28 | Reproduziereinrichtung für digitale Signale. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5231650A (de) |
EP (1) | EP0407094B1 (de) |
JP (1) | JPH0332132A (de) |
DE (1) | DE69021965T2 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2694403B2 (ja) * | 1991-12-13 | 1997-12-24 | シャープ株式会社 | ディジタルデータ検出器 |
JP3352132B2 (ja) * | 1992-12-11 | 2002-12-03 | キヤノン株式会社 | 光学的情報再生装置 |
JP2636677B2 (ja) * | 1993-06-02 | 1997-07-30 | 日本電気株式会社 | 半導体集積回路 |
US5654842A (en) * | 1994-08-30 | 1997-08-05 | Sony Corporation | Head displacement measuring method and apparatus and data recording/reproducing method and apparatus |
US5859881A (en) * | 1996-06-07 | 1999-01-12 | International Business Machines Corporation | Adaptive filtering method and apparatus to compensate for a frequency difference between two clock sources |
US5757297A (en) * | 1996-06-07 | 1998-05-26 | International Business Machines Corporation | Method and apparatus for recovering a serial data stream using a local clock |
US6067335A (en) * | 1996-08-02 | 2000-05-23 | Silicon Systems, Inc. | Read channel IC for dual PLL solution |
JPH10106146A (ja) * | 1996-09-25 | 1998-04-24 | Victor Co Of Japan Ltd | ディスクの記録再生方法及び再生装置 |
US7664214B2 (en) * | 2002-09-24 | 2010-02-16 | Standard Microsystems Corporation | System and method for transferring data among transceivers substantially void of data dependent jitter |
TW589831B (en) * | 2002-12-05 | 2004-06-01 | Via Tech Inc | Multi-port network interface circuit and related method for triggering transmission signals of multiple ports with clocks of different phases |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2408891A1 (fr) * | 1977-11-14 | 1979-06-08 | Cii Honeywell Bull | Dispositif d'integration d'une suite de signaux electriques |
US4280224A (en) * | 1979-06-21 | 1981-07-21 | Ford Aerospace & Communications Corporation | Bit synchronizer with early and late gating |
US4611335A (en) * | 1981-09-30 | 1986-09-09 | Hitachi, Ltd. | Digital data synchronizing circuit |
US4482927A (en) * | 1982-01-15 | 1984-11-13 | Sperry Corporation | Ternary magnetic recording and reproducing system with simultaneous overwrite |
US4546394A (en) * | 1982-01-29 | 1985-10-08 | Sansui Electric Co., Ltd. | Signal reconstruction circuit for digital signals |
JPH0721943B2 (ja) * | 1984-06-30 | 1995-03-08 | 株式会社東芝 | デ−タ復調方式 |
US4615037A (en) * | 1985-01-29 | 1986-09-30 | Ampex Corporation | Phase scatter detection and reduction circuit and method |
DE3533467C2 (de) * | 1985-09-19 | 1999-01-21 | Tandberg Data | Verfahren und Anordnung zum störsicheren Erkennen von in Datensignalen enthaltenen Daten |
US4896025A (en) * | 1986-02-20 | 1990-01-23 | Canon Kabushiki Kaisha | Information reproducing apparatus for information recording medium having a plurality of information tracks |
JPH0656958B2 (ja) * | 1986-07-03 | 1994-07-27 | キヤノン株式会社 | 情報デ−タ復元装置 |
US4872155A (en) * | 1987-03-13 | 1989-10-03 | Pioneer Electronic Corporation | Clock generator circuit and a synchronizing signal detection method in a sampled format system and a phase comparator circuit suited for generation of the clock |
US4979189A (en) * | 1989-08-18 | 1990-12-18 | National Semiconductor Corporation | Self-timing qualification channel |
-
1989
- 1989-06-29 JP JP1165290A patent/JPH0332132A/ja active Pending
-
1990
- 1990-06-27 US US07/544,653 patent/US5231650A/en not_active Expired - Fee Related
- 1990-06-28 EP EP90307081A patent/EP0407094B1/de not_active Expired - Lifetime
- 1990-06-28 DE DE69021965T patent/DE69021965T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0407094A3 (en) | 1991-04-17 |
EP0407094B1 (de) | 1995-08-30 |
US5231650A (en) | 1993-07-27 |
EP0407094A2 (de) | 1991-01-09 |
JPH0332132A (ja) | 1991-02-12 |
DE69021965T2 (de) | 1996-02-22 |
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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 |