KR870007485A - 광자기 기록 재생방법 및 장치 - Google Patents
광자기 기록 재생방법 및 장치 Download PDFInfo
- Publication number
- KR870007485A KR870007485A KR870000113A KR870000113A KR870007485A KR 870007485 A KR870007485 A KR 870007485A KR 870000113 A KR870000113 A KR 870000113A KR 870000113 A KR870000113 A KR 870000113A KR 870007485 A KR870007485 A KR 870007485A
- Authority
- KR
- South Korea
- Prior art keywords
- light beam
- recording medium
- rotating
- beam scanning
- optical
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims 11
- 238000010586 diagram Methods 0.000 description 3
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
- G11B15/60—Guiding record carrier
- G11B15/62—Maintaining desired spacing between record carrier and head
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10502—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed
- G11B11/10517—Overwriting or erasing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10532—Heads
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/1055—Disposition or mounting of transducers relative to record carriers
- G11B11/10576—Disposition or mounting of transducers relative to record carriers with provision for moving the transducers for maintaining alignment or spacing relative to the carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10595—Control of operating function
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/003—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0925—Electromechanical actuators for lens positioning
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/84—Television signal recording using optical recording
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 광자기기록 재생장치의 전체의 시스템 구성을 도시한 블럭도.
제6도(A), (B)는 원통형 트랙킹용 렌즈를 사용한 본 발명의 다른 실시예를 도시한 모식도.
제7도(A)~제7도(F)는 원통형 렌즈와 기록매체 주사위치의 관계를 도시한 모식도.
Claims (16)
- 기록매체 1위로 광비임을 주사하고, 그 기록 매체 1의 주행 방향에 대해서 소정의 각도를 가지는 트랙 34를 형성하기 위한 광 비임 주사 수단과, 상기 기록 매체 1에 자계를 인가하는 수단과, 광 비임 발생수단을 구비한 광자기기록 재생장치.
- 특허 청구의 범위 제1항에 따르는 장치에 있어서, 상기 광비임 주사 수단은 여러개의 반사면을 가지는 회전체이며, 그 회전체의 회전축을 그 회전축과 직교하는 적어도 임의의 2축을 중심으로 회전시키는 수단을 포함하며, 또 상기 광 비임 발생수단은 광비임축을 기록 매체의 주행 방향에 이동시키는 수단을 포함한다.
- 특허 청구의 범위 제2항에 따르는 장치에 있어서, 상기 광 비임 주사 수단은 기록 매체1의 주행 방향에 대해서 소정의 각도를 가지고 배치되며, 또 긴쪽 방향에 굴절력을 가지지 않으며 그 긴쪽 방향에 수직인 방향으로 굴절력을 가지는 광학 소자를 포함한다.
- 특허 청구의 범위 제1항에 따르는 장치에 있어서, 기록시에, 상기 자계인가 수단 357에 의해 인가되는 자계를 트랙마다에 반전하는 수단을 포함한다.
- 특허 청구의 범위 제1항에 따르는 장치에 있어서, 메모리 수단을 구비하고, 상기 광비임 주사 수단은 여러개의 반사면을 가지는 회전체를 포함하며, 그 반사면이 절환되는 기간에 일정 기간의 트랙킹 기간을 갖도록 정보 신호를 변환하여 기록 재생이 행해진다.
- 특허 청구의 범위 제1항의 장치에 있어서, 광비임 주사 수단은 회전 실린다와, 그 회전 실린다의 회전축위에 배치되어 광비임을 기록 매체 1위에 반사하는 미터를 포함한다.
- 특허 청구의 범위 제1항의 장치에 있어서, 상기 광비임 주사 수다은 각각 여러개의 반사면을 갖는 2개의 회전체를 구비하고, 1개의 반사면의 중심각 α의 반분 1/α만큼 엇갈리게 상기 회전체가 배치되어 있다.
- 특허 청구의 범위 제1항에 있어서, 적어도 1필드분의 재생 정보를 기억하는 메모리 수단을 구비하고, 상기 1필드분의 재생정보가 기억되었을 때, 상기 광비임 발생 수단을 소세하여 광 비임의 발생을 정지시키는 수단과, 상기 기억된 재생 정보를 반복하여 영상으로 표시하는 수단을 포함한다.
- 기록 매체 1위로 광비임을 주사하며, 그 기록매체 1의 주행 방향에 대해서 소정의 각도를 갖는 트랙을 형성하는 스텝과 상기 기록 매체 1에 자계를 인가하는 스텝과 광비임을 발생하는 스텝을 구비한 광자기 기록 재생 방법.
- 특허 청구의 범위 제9항에 따르는 방법에 있어서, 상기 광비임 주사스텝이 여러개의 반사면을 갖는 회전체의 회전축을 그 회전축과 직교하는 적어도 임의의 2축을 중심으로서, 회전시키는 스텝을 포함하며, 또 상기 광비임 발생 스텝3이, 광 비임축을 기록매체의 주행 방향으로 이동시키는 스텝을 포함한다.
- 특히 청구의 범위 제 10항에 있어서, 상기 광비임 주사 스텝이, 기록 매체 1의 주행 방법에 대해서 소정의 각도를 갖고 배치되어, 긴쪽 방향에 굴절력을 가지지 않고, 그 긴쪽 방향에 수직인 방향으로 굴절력을 가지는 광학 소자를 구비한 스텝을 포함한다.
- 특허 청구의 범위 제9항에 따른 방법에 있어서, 기록시에, 상기 자계인가 스텝에 의해서 인가되는 자계를 트랙마다에 반전하는 스텝을 포함한다.
- 특허 청구의 범위 제9항에 따르는 방법에 있어서, 메모리 스텝을 구비하고, 상기 광비임 주사 스텝이 여러개의 반사면을 갖는 회전체를 구비한 스텝과 그 반사면이 절환되는 기간에 일정 기간의 블랭킹 기간을 갖도록 정보 신호를 변화하여 기록 재생하는 스텝을 포함한다.
- 특허 청구의 범위 제9항의 방법에 있어서, 광비임 주사 스텝은 회전 실린다와 그 회전 실린다의 회전 축위에 배치되어 광비임을 기록 매체 1위에 반사하는 미러를 마련하는 스텝을 포함한다.
- 특허 청구의 범위 제9항의 방법에 있어서, 상기 광비임 주사 스텝은 각각 여러개의 반사면을 갖는 개2의 회전체를 구비하고, 1개의 반사면의 중심각 α의 반분 1/α만큼 엇갈리게 상기 회전체가 배치되는 스텝을 포함한다.
- 특허 청구의 범위 제9항에 있어서, 적어도 1필드분의 재생 정보를 기억하는 스텝을 구비하고, 상기 1필드분의 재생 정보가 기억되었을 때 상기 광비임 발생 스텝을 소세하여, 광비임의 발생을 정지시키는 스텝과, 상기 기억된 재생 정보를 반복하여 영상으로 표시하는 스텝을 포함한다.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61002070A JPS62162261A (ja) | 1986-01-10 | 1986-01-10 | 光磁気記録再生装置 |
JP2070 | 1986-01-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR870007485A true KR870007485A (ko) | 1987-08-19 |
KR910001276B1 KR910001276B1 (ko) | 1991-02-26 |
Family
ID=11519083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019870000113A KR910001276B1 (ko) | 1986-01-10 | 1987-01-09 | 광자기 기록 재생 방법 및 장치 |
Country Status (5)
Country | Link |
---|---|
US (1) | US4901297A (ko) |
EP (1) | EP0229395B1 (ko) |
JP (1) | JPS62162261A (ko) |
KR (1) | KR910001276B1 (ko) |
DE (1) | DE3684440D1 (ko) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2565265B2 (ja) * | 1987-11-28 | 1996-12-18 | ソニー株式会社 | 光情報処理装置 |
JP2679079B2 (ja) * | 1988-02-18 | 1997-11-19 | ソニー株式会社 | 光磁気記録方法 |
KR920004442B1 (ko) * | 1989-12-08 | 1992-06-05 | 삼성전자 주식회사 | 광학 정보 기록 및 재생시스템 |
KR930012147B1 (ko) * | 1991-10-23 | 1993-12-24 | 삼성전자 주식회사 | 광테이프의 기록 및/또는 재생장치 |
US5321684A (en) * | 1992-09-15 | 1994-06-14 | Sri International | Bidirectional sinusoidal scanning system |
CA2137062A1 (en) * | 1993-12-08 | 1995-06-09 | Takumi Shimamori | Magneto-optical recording and reading-out method |
EP0689709A1 (en) * | 1993-12-15 | 1996-01-03 | Koninklijke Philips Electronics N.V. | Optical scanning device |
BE1007872A3 (nl) * | 1993-12-15 | 1995-11-07 | Philips Electronics Nv | Optische aftastinrichting, alsmede een opteken- en/of uitleesinrichting voorzien van een dergelijke aftastinrichting. |
JPH08506919A (ja) * | 1993-12-15 | 1996-07-23 | フィリップス エレクトロニクス ネムローゼ フェン ノートシャップ | 光走査装置 |
CN1067792C (zh) * | 1994-12-05 | 2001-06-27 | 皇家菲利浦电子有限公司 | 对信息表面进行光学扫描的光学组件以及含有该光学组件的光学扫描装置 |
JP4150084B2 (ja) * | 1995-11-24 | 2008-09-17 | ソニー株式会社 | ディスク記録媒体 |
WO1997020311A1 (en) * | 1995-11-27 | 1997-06-05 | Philips Electronics N.V. | Optical apparatus for scanning a tape-shaped record carrier |
WO1998001854A2 (en) * | 1996-07-03 | 1998-01-15 | Philips Electronics N.V. | Device for scanning information tracks on a record carrier |
TW319854B (en) * | 1996-07-04 | 1997-11-11 | Philips Electronics Nv | Optical apparatus for scanning a tape-shaped record carrier |
US5995269A (en) * | 1996-10-09 | 1999-11-30 | U.S. Philips Corporation | Optical unit for optically scanning an information surface, and optical scanning arrangement including the optical unit |
EP0923078A1 (en) * | 1997-12-12 | 1999-06-16 | Tandberg Data Asa | Servo pattern for linear recording servo tracking tape drives and a system and method for sensing position using same |
JP2000242321A (ja) * | 1999-02-19 | 2000-09-08 | Fujitsu Ltd | フィードバック制御装置、ディジタルフィルタ装置、および記憶装置 |
FR2797514B3 (fr) * | 1999-08-10 | 2001-10-12 | Thomson Csf | Dispositif de lecture magneto-optique pour bandes magnetiques multipistes |
US7225984B2 (en) * | 2003-02-20 | 2007-06-05 | Harris Rodney C | Systems and methods for providing multiple object planes in an optical image scanning environment |
US8144878B2 (en) | 2006-03-06 | 2012-03-27 | Mediatek Inc. | FM receiver and pilot detector thereof, and method for determining a type of a processed signal |
JP5518612B2 (ja) * | 2010-07-20 | 2014-06-11 | 株式会社ディスコ | 光学装置およびこれを備えるレーザー加工装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3651281A (en) * | 1969-06-06 | 1972-03-21 | Carl H Becker | Laser recording system using photomagnetically magnetizable storage medium |
DE2043766A1 (de) * | 1970-09-03 | 1972-03-09 | Siemens Ag | Verfahren und Anordnung zum Speichern von Informationen in einem magnetooptischen Speicher |
US3902048A (en) * | 1974-07-11 | 1975-08-26 | Ibm | Omnidirectional optomechanical scanning apparatus |
JPS5596917A (en) * | 1979-01-17 | 1980-07-23 | Canon Inc | Two-dimensional scanner |
US4669070A (en) * | 1979-09-18 | 1987-05-26 | Rca Corporation | Signal format for optical tape record/playback system |
US4403250A (en) * | 1980-03-18 | 1983-09-06 | Micro Consultants Limited | Processing of T.V. pictures for subsequent stop mode reproduction |
US4430675A (en) * | 1980-05-02 | 1984-02-07 | Sanyo Electric Co., Ltd. | Still picture recording and reproducing system |
JPS57117106A (en) * | 1981-01-09 | 1982-07-21 | Olympus Optical Co Ltd | Optical magnetic recording and reproducing method |
JPS57158004A (en) * | 1981-03-24 | 1982-09-29 | Toshiba Corp | Magnetic transfer recorder |
JPS58115602A (ja) * | 1981-12-29 | 1983-07-09 | Shiro Okamura | 光磁気記録装置 |
JPS58146006A (ja) * | 1982-02-24 | 1983-08-31 | Shiro Okamura | 光磁気記録装置 |
JPS60214437A (ja) * | 1984-04-10 | 1985-10-26 | Seiko Epson Corp | 光ビデオテ−プレコ−ダ |
JPH0650911B2 (ja) * | 1984-10-26 | 1994-06-29 | ソニー株式会社 | 再生映像信号処理装置 |
-
1986
- 1986-01-10 JP JP61002070A patent/JPS62162261A/ja active Pending
- 1986-12-30 DE DE8686118130T patent/DE3684440D1/de not_active Expired - Lifetime
- 1986-12-30 EP EP86118130A patent/EP0229395B1/en not_active Expired - Lifetime
-
1987
- 1987-01-06 US US07/000,871 patent/US4901297A/en not_active Expired - Fee Related
- 1987-01-09 KR KR1019870000113A patent/KR910001276B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0229395B1 (en) | 1992-03-18 |
DE3684440D1 (de) | 1992-04-23 |
US4901297A (en) | 1990-02-13 |
KR910001276B1 (ko) | 1991-02-26 |
JPS62162261A (ja) | 1987-07-18 |
EP0229395A3 (en) | 1988-10-12 |
EP0229395A2 (en) | 1987-07-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR870007485A (ko) | 광자기 기록 재생방법 및 장치 | |
US4213158A (en) | Optical data recording system utilizing acoustic pulse imaging to minimize image blur | |
KR920701973A (ko) | 데이터기록방법 및 데이터재생방법 | |
JPS6357859B2 (ko) | ||
KR850006236A (ko) | 광자기 기억장치(magnets optical file memory) | |
US3936140A (en) | Arrangement for sequential data storage | |
US6594220B1 (en) | Volume holographic memory and optical information recording/reproducing apparatus | |
US4213193A (en) | Holographic data storage systems | |
US6101161A (en) | Volume holographic data storage system incorporating therein a cylindrical storage medium | |
JPH0581977B2 (ko) | ||
US6181665B1 (en) | Volume holographic data storage system | |
JPS55150137A (en) | Recorder | |
JPS61198453A (ja) | 光磁気記録装置 | |
JPS59177735A (ja) | 光情報記録再生装置 | |
US6252694B1 (en) | Internal-surface-scanning image recording apparatus | |
JPH03238623A (ja) | 光カードへのデータ記録方法 | |
FI945104A (fi) | Optinen nauhatallennuslaite, jolla on suuri datanopeus | |
Pass et al. | 100 MHz and 100 MBIT recording and readout instrumentation systems for electromagnetic field perturbations | |
JPS61208653A (ja) | 光磁気デイスク装置 | |
KR100256652B1 (ko) | 볼륨 홀로그래픽 디지탈 저장 시스템의 데이터 기록 방법 | |
JPS61188750A (ja) | 情報記録再生装置 | |
KR830000961A (ko) | 비데오 디스크 플레이어 | |
KR960011867A (ko) | 고밀도 재생방법 및 그 장치 | |
KR950022275A (ko) | 광자기디스크재생시스템의 광픽업장치 | |
JPH01189045A (ja) | 記録再生装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 19931211 Year of fee payment: 4 |
|
LAPS | Lapse due to unpaid annual fee |