FR2544145B1 - Procede et dispositif de synchronisation de signaux numeriques pour des enregistreurs magnetiques a tetes tournantes - Google Patents
Procede et dispositif de synchronisation de signaux numeriques pour des enregistreurs magnetiques a tetes tournantesInfo
- Publication number
- FR2544145B1 FR2544145B1 FR8405294A FR8405294A FR2544145B1 FR 2544145 B1 FR2544145 B1 FR 2544145B1 FR 8405294 A FR8405294 A FR 8405294A FR 8405294 A FR8405294 A FR 8405294A FR 2544145 B1 FR2544145 B1 FR 2544145B1
- Authority
- FR
- France
- Prior art keywords
- timing error
- digital signals
- rotating heads
- synchronizing digital
- magnetic recorders
- 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
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
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1201—Formatting, e.g. arrangement of data block or words on the record carriers on tapes
- G11B20/1207—Formatting, e.g. arrangement of data block or words on the record carriers on tapes with transverse tracks only
-
- 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
- G11B20/22—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions
- G11B20/225—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions for reducing wow or flutter
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
- G11B27/13—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier the information being derived from movement of the record carrier, e.g. using tachometer
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
- G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
-
- 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
- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/10537—Audio or video recording
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/90—Tape-like record carriers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/483,005 US4525754A (en) | 1983-04-06 | 1983-04-06 | System and method for synchronization of rotary head magnetic recording/reproducing devices |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2544145A1 FR2544145A1 (fr) | 1984-10-12 |
FR2544145B1 true FR2544145B1 (fr) | 1990-09-21 |
Family
ID=23918261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8405294A Expired - Lifetime FR2544145B1 (fr) | 1983-04-06 | 1984-04-04 | Procede et dispositif de synchronisation de signaux numeriques pour des enregistreurs magnetiques a tetes tournantes |
Country Status (5)
Country | Link |
---|---|
US (1) | US4525754A (fr) |
JP (1) | JPS59198515A (fr) |
FR (1) | FR2544145B1 (fr) |
GB (1) | GB2137853B (fr) |
NL (1) | NL8401088A (fr) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4786985A (en) * | 1986-08-21 | 1988-11-22 | Ampex Corporation | Method and apparatus for extracting binary signals included in vertical blanking intervals of video signals |
US4750054A (en) * | 1986-10-06 | 1988-06-07 | Eastman Kodak Company | Noise-impervious video timing recovery and automatic skew compensation |
DE3639886A1 (de) * | 1986-11-21 | 1988-06-01 | Thomson Brandt Gmbh | Schaltung zur verarbeitung digitaler signale |
JPH01144738A (ja) * | 1987-11-30 | 1989-06-07 | Nec Home Electron Ltd | ウインドウ法同期保護回路 |
US4933955A (en) * | 1988-02-26 | 1990-06-12 | Silicon General, Inc. | Timing generator |
US5088077A (en) * | 1988-11-10 | 1992-02-11 | Ampex Corporation | Synchronization of record media transports and tracking adjustment |
KR920004224B1 (ko) * | 1989-12-31 | 1992-05-30 | 삼성전자 주식회사 | A/c헤드의 x거리 무조정방식의 자기기록 재생장치 |
JP2998161B2 (ja) * | 1990-01-17 | 2000-01-11 | 富士通株式会社 | 記録媒体の同期信号読取方法及び装置 |
FR2709899B1 (fr) * | 1993-09-07 | 1995-11-10 | Sagem | Procédé de détection d'une perte de synchronisation dans un réseau numérique de communication et terminal pour la mise en Óoeuvre du procédé. |
JPH08185652A (ja) * | 1994-12-29 | 1996-07-16 | Sony Corp | サーボ装置 |
US5675447A (en) * | 1995-11-13 | 1997-10-07 | Seagate Technology, Inc. | Method and arrangement for initiating search for start of data in arcuately recorded data tracks |
US5847892A (en) * | 1995-11-13 | 1998-12-08 | Seagate Technology, Inc. | Servoing and formatting magnetic recording tape in an arcuate scanner system |
US5796537A (en) * | 1995-11-13 | 1998-08-18 | Seagate Technology, Inc. | Method and arrangement for servoing and formatting magnetic recording tape |
US6130792A (en) * | 1995-11-13 | 2000-10-10 | Seagate Technology, Inc. | Flat servo bursts for arcuate track scanner |
JP3660483B2 (ja) * | 1996-10-09 | 2005-06-15 | 三星電子株式会社 | データ処理装置及び方法とこれを用いたデータ蓄積制御装置 |
JPH11328784A (ja) * | 1998-05-19 | 1999-11-30 | Mitsubishi Electric Corp | 磁気記録再生装置 |
US6936353B1 (en) | 2003-07-02 | 2005-08-30 | Seagate Technology Llc | Tilted recording medium design with (101-2) orientation |
US10348333B2 (en) * | 2016-09-22 | 2019-07-09 | Everspin Technologies, Inc. | Two bit error correction via a field programmable gate array |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3497634A (en) * | 1967-03-17 | 1970-02-24 | Ampex | Wideband instrumentation rotary head system using redundant recording and reproducing |
CA995811A (en) * | 1973-04-03 | 1976-08-24 | Battelle Development Corporation | Method and apparatus for synchronizing photographic records of digital information |
JPS5514513A (en) * | 1978-07-14 | 1980-02-01 | Sony Corp | Recording and reproducing unit for digital signal |
JPS5580867A (en) * | 1978-12-12 | 1980-06-18 | Sony Corp | Block synchronous signal extracting circuit |
GB2068687A (en) * | 1980-01-09 | 1981-08-12 | Decca Ltd | Digital synchronising system |
JPS5720052A (en) * | 1980-07-11 | 1982-02-02 | Toshiba Corp | Input data synchronizing circuit |
FR2487146B1 (fr) * | 1980-07-18 | 1986-11-14 | France Etat | Systeme de multiplexage numerique sur canal a debit continu |
JPS5750313A (en) * | 1980-09-05 | 1982-03-24 | Matsushita Electric Ind Co Ltd | Synchronizing circuit of digital signal reproducer |
-
1983
- 1983-04-06 US US06/483,005 patent/US4525754A/en not_active Expired - Lifetime
-
1984
- 1984-04-03 GB GB08408564A patent/GB2137853B/en not_active Expired
- 1984-04-04 FR FR8405294A patent/FR2544145B1/fr not_active Expired - Lifetime
- 1984-04-05 NL NL8401088A patent/NL8401088A/nl not_active Application Discontinuation
- 1984-04-06 JP JP59068968A patent/JPS59198515A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
NL8401088A (nl) | 1984-11-01 |
US4525754A (en) | 1985-06-25 |
FR2544145A1 (fr) | 1984-10-12 |
JPH0473239B2 (fr) | 1992-11-20 |
GB8408564D0 (en) | 1984-05-16 |
GB2137853A (en) | 1984-10-10 |
JPS59198515A (ja) | 1984-11-10 |
GB2137853B (en) | 1986-11-05 |
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