ES530238A0 - Un aparato para leer un portador o soporte de registro que tiene grabada una senal de informacion digital - Google Patents
Un aparato para leer un portador o soporte de registro que tiene grabada una senal de informacion digitalInfo
- Publication number
- ES530238A0 ES530238A0 ES530238A ES530238A ES530238A0 ES 530238 A0 ES530238 A0 ES 530238A0 ES 530238 A ES530238 A ES 530238A ES 530238 A ES530238 A ES 530238A ES 530238 A0 ES530238 A0 ES 530238A0
- Authority
- ES
- Spain
- Prior art keywords
- read
- information signal
- recorded
- information
- carrier
- 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.)
- Granted
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
- 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
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8203619A NL8203619A (nl) | 1982-09-20 | 1982-09-20 | 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. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8501152A1 ES8501152A1 (es) | 1984-11-01 |
ES530238A0 true ES530238A0 (es) | 1984-11-01 |
Family
ID=19840287
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES525666A Granted ES525666A0 (es) | 1982-09-20 | 1983-09-16 | Un metodo de registrar una senal de informacion digital en pistas de informacion de un portador de registro |
ES530238A Granted ES530238A0 (es) | 1982-09-20 | 1984-03-02 | Un aparato para leer un portador o soporte de registro que tiene grabada una senal de informacion digital |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES525666A Granted ES525666A0 (es) | 1982-09-20 | 1983-09-16 | Un metodo de registrar una senal de informacion digital en pistas de informacion de un portador de registro |
Country Status (9)
Country | Link |
---|---|
US (1) | US4511933A (es) |
EP (1) | EP0104700B1 (es) |
JP (1) | JPH06103522B2 (es) |
AT (1) | ATE25887T1 (es) |
AU (1) | AU559814B2 (es) |
CA (1) | CA1213039A (es) |
DE (1) | DE3370220D1 (es) |
ES (2) | ES525666A0 (es) |
NL (1) | NL8203619A (es) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07107759B2 (ja) * | 1983-09-14 | 1995-11-15 | 株式会社日立製作所 | 回転ヘッドpcmレコ−ダ |
JPS61120323A (ja) * | 1984-11-14 | 1986-06-07 | Sony Corp | デジタル信号の記録方式 |
NL8801076A (nl) * | 1988-04-26 | 1989-11-16 | Philips Nv | Inrichting voor het optekenen van een digitaal informatiesignaal. |
JP2666367B2 (ja) * | 1988-05-24 | 1997-10-22 | ソニー株式会社 | Mスクランブル回路 |
JPH0214453A (ja) * | 1988-07-01 | 1990-01-18 | Canon Inc | ディジタル記録装置 |
US5095484A (en) * | 1989-11-13 | 1992-03-10 | International Business Machines Company Corporation | Phase invariant rate 8/10 matched spectral null code for PRML |
JPH063943B2 (ja) * | 1989-11-13 | 1994-01-12 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 2進データ列の符号化方法 |
JPH0492246A (ja) * | 1990-08-06 | 1992-03-25 | Matsushita Electric Ind Co Ltd | ディジタル信号記録方式 |
JP2637644B2 (ja) * | 1990-08-18 | 1997-08-06 | 三菱電機株式会社 | 情報変換方法及びパイロット信号生成方法及び回転磁気ヘッド装置 |
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 |
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 |
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 |
SG85049A1 (en) * | 1992-02-19 | 2001-12-19 | Mitsubishi Electric Corp | Data conversion method and recording/reproducing apparatus using the same |
DE4319389C3 (de) * | 1992-06-09 | 1999-11-25 | Mitsubishi Electric Corp | Anordnung zum Einfügen einer Frequenzkomponente zu eingegebenen n-Bit-Daten |
EP0615236B1 (en) * | 1993-03-08 | 1999-11-24 | Matsushita Electric Industrial Co., Ltd. | Data recording method |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3792454A (en) * | 1972-01-03 | 1974-02-12 | Honeywell Inf Systems | Magnetic strorage system using alternate codes to reduce write current bias |
FR2439435A1 (fr) * | 1978-10-19 | 1980-05-16 | Cii Honeywell Bull | Mode d'ecriture d'informations sur un support d'enregistrement magnetique |
JPS5665314A (en) * | 1979-11-02 | 1981-06-03 | Sony Corp | Encoder for binary signal |
DE3045541A1 (de) * | 1980-12-03 | 1982-07-01 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und anordnung zur wiedergabe von auf einenaufzeichnungstraeger in einzelnen spuren aufgezeichneten videosignalen |
-
1982
- 1982-09-20 NL NL8203619A patent/NL8203619A/nl not_active Application Discontinuation
-
1983
- 1983-01-13 US US06/457,780 patent/US4511933A/en not_active Expired - Fee Related
- 1983-09-15 CA CA000436751A patent/CA1213039A/en not_active Expired
- 1983-09-16 AT AT83201329T patent/ATE25887T1/de not_active IP Right Cessation
- 1983-09-16 EP EP83201329A patent/EP0104700B1/en not_active Expired
- 1983-09-16 DE DE8383201329T patent/DE3370220D1/de not_active Expired
- 1983-09-16 ES ES525666A patent/ES525666A0/es active Granted
- 1983-09-19 AU AU19253/83A patent/AU559814B2/en not_active Ceased
- 1983-09-20 JP JP58172312A patent/JPH06103522B2/ja not_active Expired - Lifetime
-
1984
- 1984-03-02 ES ES530238A patent/ES530238A0/es active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH06103522B2 (ja) | 1994-12-14 |
ES8405544A1 (es) | 1984-06-01 |
ATE25887T1 (de) | 1987-03-15 |
ES525666A0 (es) | 1984-06-01 |
US4511933A (en) | 1985-04-16 |
AU559814B2 (en) | 1987-03-19 |
AU1925383A (en) | 1984-03-29 |
DE3370220D1 (en) | 1987-04-16 |
EP0104700A1 (en) | 1984-04-04 |
CA1213039A (en) | 1986-10-21 |
JPS5975416A (ja) | 1984-04-28 |
ES8501152A1 (es) | 1984-11-01 |
NL8203619A (nl) | 1984-04-16 |
EP0104700B1 (en) | 1987-03-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19971001 |