DE69130817D1 - Datenumsetzungsverfahren und Verfahren zur Bildung von Pilotsignalen mit diesem Verfahren - Google Patents
Datenumsetzungsverfahren und Verfahren zur Bildung von Pilotsignalen mit diesem VerfahrenInfo
- Publication number
- DE69130817D1 DE69130817D1 DE69130817T DE69130817T DE69130817D1 DE 69130817 D1 DE69130817 D1 DE 69130817D1 DE 69130817 T DE69130817 T DE 69130817T DE 69130817 T DE69130817 T DE 69130817T DE 69130817 D1 DE69130817 D1 DE 69130817D1
- Authority
- DE
- Germany
- Prior art keywords
- data conversion
- pilot signals
- forming pilot
- forming
- conversion method
- 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
- 238000000034 method Methods 0.000 title 3
- 238000006243 chemical reaction Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/46—Controlling, regulating, or indicating speed
- G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
- G11B15/473—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the heads
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4004—Coupling between buses
- G06F13/4009—Coupling between buses with data restructuring
- G06F13/4018—Coupling between buses with data restructuring with data-width conversion
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/46—Controlling, regulating, or indicating speed
- G11B15/463—Controlling, regulating, or indicating speed by using pilot tracking tones embedded in binary coded signals, e.g. using DSV/CDS values of coded signals
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/46—Controlling, regulating, or indicating speed
- G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
- G11B15/4673—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the tape while the head is rotating
- G11B15/4675—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the tape while the head is rotating with provision for information tracking
- G11B15/4676—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the tape while the head is rotating with provision for information tracking using signals recorded in tracks disposed in parallel with the scanning direction
- G11B15/4677—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the tape while the head is rotating with provision for information tracking using signals recorded in tracks disposed in parallel with the scanning direction using auxiliary signals, i.e. pilot signals
- G11B15/4678—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the tape while the head is rotating with provision for information tracking using signals recorded in tracks disposed in parallel with the scanning direction using auxiliary signals, i.e. pilot signals superimposed on the main signal track
-
- 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
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
- G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
- G11B5/00847—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks
- G11B5/0086—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks using cyclically driven heads providing segmented tracks
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
- G11B5/588—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
- G11B5/588—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads
- G11B5/592—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads using bimorph elements supporting the heads
- G11B5/5921—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads using bimorph elements supporting the heads using auxiliary signals, e.g. pilot signals
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
- G11B5/588—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads
- G11B5/592—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads using bimorph elements supporting the heads
- G11B5/5921—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads using bimorph elements supporting the heads using auxiliary signals, e.g. pilot signals
- G11B5/5922—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads using bimorph elements supporting the heads using auxiliary signals, e.g. pilot signals superimposed on the main signal
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21762490 | 1990-08-18 | ||
JP3083991 | 1991-02-26 | ||
JP14345791 | 1991-06-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69130817D1 true DE69130817D1 (de) | 1999-03-11 |
DE69130817T2 DE69130817T2 (de) | 1999-10-21 |
Family
ID=27287113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69130817T Expired - Fee Related DE69130817T2 (de) | 1990-08-18 | 1991-08-16 | Datenumsetzungsverfahren und Verfahren zur Bildung von Pilotsignalen mit diesem Verfahren |
Country Status (4)
Country | Link |
---|---|
US (3) | US5365232A (de) |
EP (1) | EP0472375B1 (de) |
DE (1) | DE69130817T2 (de) |
SG (1) | SG96155A1 (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0472375B1 (de) * | 1990-08-18 | 1999-01-27 | Mitsubishi Denki Kabushiki Kaisha | Datenumsetzungsverfahren und Verfahren zur Bildung von Pilotsignalen mit diesem Verfahren |
DE4222030A1 (de) * | 1992-07-04 | 1994-01-05 | Thomson Brandt Gmbh | Verfahren zur Spurfolgesteuerung in einem Recorder |
AU700000B2 (en) * | 1993-05-11 | 1998-12-17 | Sony Corporation | Tracking control circuit for rotary head magnetic recording/reproducing apparatus |
JP3271210B2 (ja) * | 1993-05-11 | 2002-04-02 | ソニー株式会社 | 回転ヘッド型磁気記録再生装置 |
JPH06338106A (ja) * | 1993-05-28 | 1994-12-06 | Canon Inc | トラッキング制御装置 |
JP3420286B2 (ja) * | 1993-05-28 | 2003-06-23 | キヤノン株式会社 | 記録再生装置 |
JPH06349159A (ja) * | 1993-06-01 | 1994-12-22 | Canon Inc | トラッキング制御装置 |
KR0150809B1 (ko) * | 1993-09-17 | 1998-10-15 | 모리시타 요이찌 | 정보재생장치 |
EP0646915A3 (de) * | 1993-10-01 | 1995-11-29 | Hitachi Ltd | Automatisches Spurnachführungssteuersystem in einem magnetischem Aufzeichnungs-/Wiedergabesystem für ein digitales Signal. |
JP3613689B2 (ja) * | 1993-10-27 | 2005-01-26 | 三菱電機株式会社 | 情報変換装置 |
EP0684734B1 (de) * | 1994-05-25 | 2000-09-13 | Canon Kabushiki Kaisha | Anlage und Verfahren zum Ermitteln eines Leitsignals in einem digitalen Signal und Wiedergabevorrichtung |
JP3541439B2 (ja) * | 1994-07-08 | 2004-07-14 | ソニー株式会社 | 信号変調方法及び装置、並びに信号復調装置及び方法 |
US5751890A (en) * | 1994-11-11 | 1998-05-12 | Mitsubishi Denki Kabushiki Kaisha | Magnetic type recording and reproducing apparatus |
JPH08147890A (ja) * | 1994-11-21 | 1996-06-07 | Canon Inc | 記録再生装置 |
JPH08161720A (ja) * | 1994-11-30 | 1996-06-21 | Canon Inc | 再生装置 |
KR0155824B1 (ko) * | 1995-05-29 | 1998-12-15 | 김광호 | 디지탈신호 기록장치 |
US5960041A (en) * | 1995-09-21 | 1999-09-28 | Lucent Technologies Inc. | Method and apparatus for generating high rate codes for recording information on a magnetic medium |
JP3339539B2 (ja) * | 1995-12-13 | 2002-10-28 | 松下電器産業株式会社 | デジタル変調装置、その方法及び記録媒体 |
US6389219B1 (en) * | 1996-07-30 | 2002-05-14 | Deutsche Thomson-Brandt Gmbh | Method and device for controlling the phase relation between a head drum and tape feed system of a magnetic tape recording device |
FR2779863B1 (fr) * | 1998-06-16 | 2000-08-25 | Thomson Csf | Systeme de suivi de piste pour l'enregistrement/lecture d'un support d'informations et support d'enregistrement |
JP3573978B2 (ja) * | 1998-11-10 | 2004-10-06 | 矢崎総業株式会社 | 符号化方法、及び符号化装置 |
US6397276B1 (en) | 1999-03-29 | 2002-05-28 | Eugene Rzyski | Data transmission by an alternating-frequency analog signal |
US6977875B1 (en) | 1999-07-09 | 2005-12-20 | Thales | Tracking system for recording/reading a data medium and recording medium |
KR100421004B1 (ko) * | 2001-04-20 | 2004-03-03 | 삼성전자주식회사 | 코드 생성 및 배치 방법 |
US7084788B2 (en) * | 2001-04-20 | 2006-08-01 | Samsung Electronics Co., Ltd. | Code generation and allocation method |
US6765511B2 (en) * | 2002-06-27 | 2004-07-20 | Victor Company Of Japan, Ltd. | Method and apparatus for encoding digital data |
JP2004296049A (ja) * | 2003-02-10 | 2004-10-21 | Sony Corp | データ記録方法および装置、データ記録媒体並びにデータ再生方法および装置 |
JP3894170B2 (ja) * | 2003-07-16 | 2007-03-14 | ソニー株式会社 | 再生装置及びトラッキング方法 |
WO2005020440A1 (en) * | 2003-08-13 | 2005-03-03 | Seagate Technology Llc | Dc-free code design with increased distance between code words |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5847383A (ja) * | 1981-09-17 | 1983-03-19 | Sony Corp | 回転磁気ヘツド装置 |
JPS5875950A (ja) * | 1981-10-31 | 1983-05-07 | Sony Corp | 2値データの伝送方法 |
NL8203619A (nl) * | 1982-09-20 | 1984-04-16 | Philips Nv | Werkwijze voor het optekenen van een digitaal informatiesignaal op een registratiedrager, een registratiedrager voorzien van een dergelijk informatiesignaal en een inrichting voor het uitlezen respectievelijk inschrijven van een dergelijke registratiedrager. |
JPS5968862A (ja) * | 1982-10-14 | 1984-04-18 | Toshiba Corp | トラツキング制御方式 |
JPS59123343A (ja) * | 1982-12-29 | 1984-07-17 | Sony Corp | 2値信号の符号化方法 |
JPH0683271B2 (ja) * | 1983-10-27 | 1994-10-19 | ソニー株式会社 | 情報変換方式 |
JPS60201729A (ja) * | 1984-03-26 | 1985-10-12 | Canon Inc | 電子機器 |
JPH0758917B2 (ja) * | 1984-03-26 | 1995-06-21 | キヤノン株式会社 | データ処理方法 |
JPS61145752A (ja) * | 1984-12-20 | 1986-07-03 | Sony Corp | トラツキング制御装置 |
EP0193153B1 (de) * | 1985-02-25 | 1991-11-13 | Matsushita Electric Industrial Co., Ltd. | Digitales Datenaufzeichnungs- und -wiedergabeverfahren |
US4897739A (en) * | 1986-04-07 | 1990-01-30 | Canon Kabushiki Kaisha | Multi-channel recording apparatus using a plurality of heads in turn |
US4951162A (en) * | 1986-11-06 | 1990-08-21 | Canon Kabushiki Kaisha | Tracking control system with pilot signal phase setting circuitry |
US5182681A (en) * | 1986-12-27 | 1993-01-26 | Yamaha Corporation | Rotating head magnetic recording and reproducing device having automatic tracking control function |
JPS6457825A (en) * | 1987-08-27 | 1989-03-06 | Nippon Denki Home Electronics | 4/5 code conversion system |
JPH01171149A (ja) * | 1987-12-25 | 1989-07-06 | Sony Corp | トラッキング制御装置 |
JPH01263966A (ja) * | 1988-04-12 | 1989-10-20 | Ricoh Co Ltd | トラッキング制御装置 |
NL8801076A (nl) * | 1988-04-26 | 1989-11-16 | Philips Nv | Inrichting voor het optekenen van een digitaal informatiesignaal. |
KR940007626B1 (ko) * | 1988-12-31 | 1994-08-22 | 삼성전자 주식회사 | 디지탈 오디오 테이프 레코더의 atf 제어장치 |
JP3011436B2 (ja) * | 1990-07-06 | 2000-02-21 | 株式会社東芝 | ディジタル信号変調方式 |
EP0472375B1 (de) * | 1990-08-18 | 1999-01-27 | Mitsubishi Denki Kabushiki Kaisha | Datenumsetzungsverfahren und Verfahren zur Bildung von Pilotsignalen mit diesem Verfahren |
NL9002772A (nl) * | 1990-09-21 | 1992-04-16 | Philips Nv | Inrichting voor het optekenen van een digitaal informatiesignaal in een registratiedrager. |
-
1991
- 1991-08-16 EP EP91307579A patent/EP0472375B1/de not_active Expired - Lifetime
- 1991-08-16 DE DE69130817T patent/DE69130817T2/de not_active Expired - Fee Related
- 1991-08-16 SG SG9602075A patent/SG96155A1/en unknown
-
1993
- 1993-08-31 US US08/120,857 patent/US5365232A/en not_active Expired - Fee Related
-
1994
- 1994-08-09 US US08/287,918 patent/US5570248A/en not_active Expired - Fee Related
-
1996
- 1996-07-31 US US08/690,564 patent/US5852520A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0472375B1 (de) | 1999-01-27 |
US5852520A (en) | 1998-12-22 |
US5570248A (en) | 1996-10-29 |
SG96155A1 (en) | 2003-05-23 |
EP0472375A2 (de) | 1992-02-26 |
US5365232A (en) | 1994-11-15 |
EP0472375A3 (en) | 1993-10-27 |
DE69130817T2 (de) | 1999-10-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de | ||
8370 | Indication related to discontinuation of the patent is to be deleted | ||
8339 | Ceased/non-payment of the annual fee |