DE68911020D1 - Anordnung zum Aufzeichnen eines digitalen Informationssignals. - Google Patents
Anordnung zum Aufzeichnen eines digitalen Informationssignals.Info
- Publication number
- DE68911020D1 DE68911020D1 DE89201012T DE68911020T DE68911020D1 DE 68911020 D1 DE68911020 D1 DE 68911020D1 DE 89201012 T DE89201012 T DE 89201012T DE 68911020 T DE68911020 T DE 68911020T DE 68911020 D1 DE68911020 D1 DE 68911020D1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- channel
- input
- output
- words
- 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
- 238000006243 chemical reaction Methods 0.000 abstract 1
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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
-
- 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
- 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
-
- 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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/09—Digital recording
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8801076A NL8801076A (nl) | 1988-04-26 | 1988-04-26 | Inrichting voor het optekenen van een digitaal informatiesignaal. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68911020D1 true DE68911020D1 (de) | 1994-01-13 |
DE68911020T2 DE68911020T2 (de) | 1994-05-19 |
Family
ID=19852203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68911020T Expired - Fee Related DE68911020T2 (de) | 1988-04-26 | 1989-04-20 | Anordnung zum Aufzeichnen eines digitalen Informationssignals. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5136436A (de) |
EP (1) | EP0339724B1 (de) |
JP (1) | JP2996252B2 (de) |
KR (1) | KR900016898A (de) |
AT (1) | ATE98039T1 (de) |
DE (1) | DE68911020T2 (de) |
NL (1) | NL8801076A (de) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JPH0492246A (ja) * | 1990-08-06 | 1992-03-25 | Matsushita Electric Ind Co Ltd | ディジタル信号記録方式 |
SG96155A1 (en) * | 1990-08-18 | 2003-05-23 | Mitsubishi Electric Corp | Data conversion method, pilot signal formation method using the same and rotary magnetic head device using the same |
NL9002070A (nl) * | 1990-09-21 | 1992-04-16 | Philips Nv | Inrichting voor het optekenen van een digitaal informatiesignaal in een registratiedrager. |
NL9002772A (nl) * | 1990-09-21 | 1992-04-16 | Philips Nv | Inrichting voor het optekenen van een digitaal informatiesignaal in een registratiedrager. |
NL9002839A (nl) * | 1990-12-21 | 1992-07-16 | Philips Nv | Inrichting voor het optekenen van "clock run-in" kodewoorden aan het begin van een spoor op een magnetische registratiedrager. |
JP2741112B2 (ja) * | 1991-03-29 | 1998-04-15 | シャープ株式会社 | ディジタル変調方式およびディジタル変調装置 |
US5349349A (en) * | 1991-09-30 | 1994-09-20 | Sony Corporation | Modulator circuit for a recording for a digital recording medium |
SG85049A1 (en) * | 1992-02-19 | 2001-12-19 | Mitsubishi Electric Corp | Data conversion method and recording/reproducing apparatus using the same |
US5627694A (en) * | 1992-02-19 | 1997-05-06 | Mitsubishi Denki Kabushiki Kaisha | Recording/reproducing apparatus for recording and reproducing multiple kinds of digital signals having different data amounts per unit time |
JP2806135B2 (ja) * | 1992-04-03 | 1998-09-30 | 松下電器産業株式会社 | 再生装置 |
DE4319389C3 (de) * | 1992-06-09 | 1999-11-25 | Mitsubishi Electric Corp | Anordnung zum Einfügen einer Frequenzkomponente zu eingegebenen n-Bit-Daten |
JP2755050B2 (ja) * | 1992-07-03 | 1998-05-20 | 松下電器産業株式会社 | 磁気記録再生装置 |
DE4222030A1 (de) * | 1992-07-04 | 1994-01-05 | Thomson Brandt Gmbh | Verfahren zur Spurfolgesteuerung in einem Recorder |
DE69321427T2 (de) * | 1992-08-06 | 1999-05-12 | Koninkl Philips Electronics Nv | Empfangsanordnung zum Empfang eines digitalen Signals von einem Übertragungsmedium mit variablen Entzerrungsmitteln |
DE69322054T2 (de) * | 1992-10-16 | 1999-04-01 | Matsushita Electric Ind Co Ltd | Gerät zur Aufzeichnung von Datensignalen mittels Steuerung der Frequenzcharakteristiken der Datensignale |
JP3355666B2 (ja) * | 1992-10-22 | 2002-12-09 | ソニー株式会社 | 変調回路 |
TW235360B (de) * | 1993-01-28 | 1994-12-01 | Philips Electronics Nv | |
EP0608946A3 (en) * | 1993-01-28 | 1995-08-16 | Philips Electronics Nv | Arrangement for recording a video signal and a corresponding audio signal in slant tracks on a longitudinal magnetic record carrier, and record carrier obtained by means of the arrangement. |
EP0615236B1 (de) * | 1993-03-08 | 1999-11-24 | Matsushita Electric Industrial Co., Ltd. | Datenaufzeichnungsmethode |
JP3420286B2 (ja) * | 1993-05-28 | 2003-06-23 | キヤノン株式会社 | 記録再生装置 |
JP3528929B2 (ja) * | 1993-09-22 | 2004-05-24 | ソニー株式会社 | 磁気記録装置 |
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 |
US6449377B1 (en) | 1995-05-08 | 2002-09-10 | Digimarc Corporation | Methods and systems for watermark processing of line art images |
US5768426A (en) | 1993-11-18 | 1998-06-16 | Digimarc Corporation | Graphics processing system employing embedded code signals |
US5748763A (en) | 1993-11-18 | 1998-05-05 | Digimarc Corporation | Image steganography system featuring perceptually adaptive and globally scalable signal embedding |
DE69510139T2 (de) * | 1994-03-09 | 1999-12-09 | Koninkl Philips Electronics Nv | Sende- und empfangsvorrichtung, verfahren zum senden und verfahren zum empfangen und durch das verfahren oder die sendevorrichtung erzeugter aufzeichnungsträger |
TW267279B (de) * | 1994-04-05 | 1996-01-01 | Philips Electronics Nv | |
DE69518796T2 (de) | 1994-05-25 | 2001-03-01 | Canon Kk | Anlage und Verfahren zum Ermitteln eines Leitsignals in einem digitalen Signal und Wiedergabevorrichtung |
US5642241A (en) * | 1994-10-31 | 1997-06-24 | Samsung Electronics Co., Ltd. | Digital signal recording apparatus in which interleaved-NRZI modulated is generated with a lone 2T precoder |
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 |
US6307949B1 (en) * | 1996-05-07 | 2001-10-23 | Digimarc Corporation | Methods for optimizing watermark detection |
KR100216401B1 (ko) * | 1996-09-12 | 1999-08-16 | 서평원 | 전전자 교환기의 가입자 상태변화 스캐닝 회로 |
US6356214B1 (en) * | 1999-02-02 | 2002-03-12 | Cisco Technology, Inc. | Fast look-up table based scheme for NRZI encoding/decoding and zero insertion/removal in serial bit streams |
EP1080468A1 (de) * | 1999-03-23 | 2001-03-07 | Koninklijke Philips Electronics N.V. | Informationsspeicher, kodiergerät, kodierverfahren, dekodiergerät und dekodierverfahren |
JP2002540660A (ja) * | 1999-03-23 | 2002-11-26 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | バイナリチャネル信号に関連する信号のチャネルビットのストリームをバイナリソース信号に関連する信号のソースビットのストリームへ復号する方法 |
US6404572B1 (en) * | 1999-05-05 | 2002-06-11 | Texas Instruments Incorporated | Circuit and method for generating a write precompensation signal |
US6201485B1 (en) * | 1999-07-09 | 2001-03-13 | Quantum Corp. | High rate runlength limited codes for 8-bit ECC symbols |
US6417788B1 (en) | 1999-07-09 | 2002-07-09 | Maxtor Corporation | High rate runlength limited codes for 10-bit ECC symbols |
US6259384B1 (en) * | 1999-07-09 | 2001-07-10 | Quantum Corporation | High rate runlength limited codes for 10-bit ECC symbols |
PL351717A1 (en) | 2000-05-10 | 2003-06-02 | Koninkl Philips Electronics Nv | Method of converting a stream of databits of a binary information signal into a stream of databits of a constrained binary channel signal, device for encoding, signal comprising a stream of databits of a constrained binary channel signal, record carrier, method for decoding, device for decoding |
US6433945B1 (en) * | 2000-07-14 | 2002-08-13 | Exabyte Corporation | Compensating write data in transformer-coupled recording system using DC content code |
WO2003079557A1 (en) * | 2002-03-04 | 2003-09-25 | Seagate Technology Llc | Error correction coding utilizing numerical base conversion for modulation coding |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5665555A (en) * | 1979-10-31 | 1981-06-03 | Matsushita Electric Ind Co Ltd | Modulation system with binary information |
JPS57176866A (en) * | 1981-04-24 | 1982-10-30 | Sony Corp | Encoder of binary signal |
US4544962A (en) * | 1981-07-06 | 1985-10-01 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for processing binary data |
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. |
DE3605396A1 (de) * | 1986-02-20 | 1987-08-27 | Thomson Brandt Gmbh | Uebertragungssystem mit einem uebertragungscode fuer binaere daten |
-
1988
- 1988-04-26 NL NL8801076A patent/NL8801076A/nl not_active Application Discontinuation
-
1989
- 1989-04-13 US US07/337,242 patent/US5136436A/en not_active Expired - Fee Related
- 1989-04-20 EP EP89201012A patent/EP0339724B1/de not_active Expired - Lifetime
- 1989-04-20 AT AT89201012T patent/ATE98039T1/de not_active IP Right Cessation
- 1989-04-20 DE DE68911020T patent/DE68911020T2/de not_active Expired - Fee Related
- 1989-04-24 JP JP1101824A patent/JP2996252B2/ja not_active Expired - Lifetime
- 1989-04-25 KR KR1019890005410A patent/KR900016898A/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
JP2996252B2 (ja) | 1999-12-27 |
ATE98039T1 (de) | 1993-12-15 |
JPH01317280A (ja) | 1989-12-21 |
EP0339724A1 (de) | 1989-11-02 |
DE68911020T2 (de) | 1994-05-19 |
NL8801076A (nl) | 1989-11-16 |
US5136436A (en) | 1992-08-04 |
KR900016898A (ko) | 1990-11-14 |
EP0339724B1 (de) | 1993-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N |
|
8339 | Ceased/non-payment of the annual fee |