ES2069546T3 - Aparato para grabar informacion. - Google Patents
Aparato para grabar informacion.Info
- Publication number
- ES2069546T3 ES2069546T3 ES88309022T ES88309022T ES2069546T3 ES 2069546 T3 ES2069546 T3 ES 2069546T3 ES 88309022 T ES88309022 T ES 88309022T ES 88309022 T ES88309022 T ES 88309022T ES 2069546 T3 ES2069546 T3 ES 2069546T3
- Authority
- ES
- Spain
- Prior art keywords
- record information
- data recording
- recording
- magnetic
- reproduction
- 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
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/928—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the sound signal being pulse code modulated and recorded in time division multiplex with the modulated video signal
-
- 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
- G11B20/10009—Improvement or modification of read or write 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
- G11B20/10527—Audio or video recording; Data buffering arrangements
-
- 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
- G11B5/027—Analogue recording
- G11B5/03—Biasing
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Digital Magnetic Recording (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
EN UN APARATO DE GRABACION DE DATOS (10), EN UN MEDIO DE GRABACION MAGNETICO (1), A TRAVES DE UNA CABEZA MAGNETICA (12A,12B), LA CORRIENTE DE GRABACION PRODUCIDA POR UN AMPLIFICADOR (35) SE CAMBIA POR UN CIRCUITO REGULADOR DE RESISTENCIA DE POLARIZACION (36) DEPENDIENDO DE LA DENSIDAD DE GRABACION DE LOS DATOS, PARA REDUCIR EL GRADO DE ERROR EN LA REPRODUCCION.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62246917A JP2526927B2 (ja) | 1987-09-30 | 1987-09-30 | デ―タ記録装置 |
JP62251109A JP2526928B2 (ja) | 1987-10-05 | 1987-10-05 | デ―タ記録装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2069546T3 true ES2069546T3 (es) | 1995-05-16 |
Family
ID=26537973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES88309022T Expired - Lifetime ES2069546T3 (es) | 1987-09-30 | 1988-09-29 | Aparato para grabar informacion. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4967289A (es) |
EP (1) | EP0310373B1 (es) |
KR (1) | KR0137376B1 (es) |
AU (1) | AU625312B2 (es) |
DE (1) | DE3853187T2 (es) |
ES (1) | ES2069546T3 (es) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8901712A (nl) * | 1989-01-30 | 1990-08-16 | Philips Nv | Longitudinaal magneetband recording systeem alsmede een magneetbandapparaat geschikt voor toepassing in het systeem alsmede een magneetkop geschikt voor toepassing in het magneetbandapparaat. |
EP0557452A4 (en) * | 1990-11-13 | 1993-12-22 | Wangtek, Inc. | System and method of controlling data transfer rate in a magnetic tape drive |
JPH05135310A (ja) * | 1991-11-08 | 1993-06-01 | Sony Corp | 磁気記録再生装置 |
DE69410831T2 (de) * | 1993-01-05 | 1998-12-17 | Lg Electronics Inc | Gerät für die Aufzeichnung und Wiedergabe von digitalen und analogen Videosignalen |
US5774742A (en) * | 1993-01-11 | 1998-06-30 | Hitachi, Ltd. | Peripheral device using two microprocessors and two buses for automatically updating program after judging that update data is stored in a portable recording medium |
US5424881A (en) | 1993-02-01 | 1995-06-13 | Cirrus Logic, Inc. | Synchronous read channel |
US5654842A (en) * | 1994-08-30 | 1997-08-05 | Sony Corporation | Head displacement measuring method and apparatus and data recording/reproducing method and apparatus |
JP2818129B2 (ja) * | 1995-03-27 | 1998-10-30 | 秋田県 | 情報記録再生方式及びその情報記録再生方式を適用したデータ記録再生装置 |
KR100468779B1 (ko) * | 2002-12-13 | 2005-01-29 | 삼성전자주식회사 | 자기 헤드의 tptp 특성 측정 방법 및 이에 적합한기록 전류 제어 방법 |
KR100585103B1 (ko) * | 2003-10-08 | 2006-06-01 | 삼성전자주식회사 | 하드디스크 드라이브의 헤드 종류 판별 방법 및 이를이용한 기록 파라메터 최적화 방법 |
JP2007172751A (ja) | 2005-12-22 | 2007-07-05 | Hitachi Global Storage Technologies Netherlands Bv | ディスク装置及びディスク装置の制御方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6017053Y2 (ja) * | 1979-07-06 | 1985-05-27 | ナカミチ株式会社 | 記録バイアス設定装置 |
JPS56163506A (en) * | 1980-05-16 | 1981-12-16 | Matsushita Electric Ind Co Ltd | Magnetic recording system |
JPS5794909A (en) * | 1980-12-05 | 1982-06-12 | Hitachi Ltd | Magnetic recorder and reproducer |
JPS57186877A (en) * | 1981-05-14 | 1982-11-17 | Sony Corp | Magnetic recording method |
JPS57191813A (en) * | 1981-05-21 | 1982-11-25 | Nippon Columbia Co Ltd | Magnetic recording and reproducing device |
JPS57205804A (en) * | 1981-06-12 | 1982-12-17 | Akai Electric Co Ltd | Dynamic bias control type tape recorder |
JPS59207068A (ja) * | 1983-05-10 | 1984-11-24 | Panafacom Ltd | フロツピイデイスク装置 |
US4535371A (en) * | 1983-05-16 | 1985-08-13 | International Business Machines Corporation | Recording channel with signal controlled integrated analog circuits |
US4611253A (en) * | 1983-06-28 | 1986-09-09 | Pioneer Electronic Corporation | Magnetic recording and reproducing device |
JPS6087405A (ja) * | 1983-10-20 | 1985-05-17 | Matsushita Electric Ind Co Ltd | フロツピ−デイスク装置 |
JPS60113366A (ja) * | 1983-11-24 | 1985-06-19 | Sony Corp | 情報変換方式 |
DE3530142A1 (de) * | 1985-08-23 | 1987-02-26 | Bosch Gmbh Robert | Verfahren zum optimieren eines magnetbandgeraetes zur speicherung digital codierter farbvideosignale |
KR910003161B1 (ko) * | 1986-06-11 | 1991-05-20 | 니뽕 빅터 가부시끼가이샤 | 자기 기록 재생 장치 |
US4821125A (en) * | 1986-06-11 | 1989-04-11 | International Business Machines Corporation | Compensation of write current adn delta-V for recording component and radial position |
-
1988
- 1988-09-23 US US07/248,399 patent/US4967289A/en not_active Expired - Lifetime
- 1988-09-28 AU AU22910/88A patent/AU625312B2/en not_active Ceased
- 1988-09-29 DE DE3853187T patent/DE3853187T2/de not_active Expired - Fee Related
- 1988-09-29 EP EP88309022A patent/EP0310373B1/en not_active Expired - Lifetime
- 1988-09-29 ES ES88309022T patent/ES2069546T3/es not_active Expired - Lifetime
- 1988-09-30 KR KR1019880012714A patent/KR0137376B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU2291088A (en) | 1989-04-06 |
KR0137376B1 (ko) | 1998-05-15 |
DE3853187T2 (de) | 1995-08-03 |
EP0310373B1 (en) | 1995-03-01 |
DE3853187D1 (de) | 1995-04-06 |
AU625312B2 (en) | 1992-07-09 |
EP0310373A2 (en) | 1989-04-05 |
EP0310373A3 (en) | 1990-07-04 |
KR890005720A (ko) | 1989-05-16 |
US4967289A (en) | 1990-10-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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