KR920005080A - 광 디스크용 기록 및 재생장치 - Google Patents

광 디스크용 기록 및 재생장치 Download PDF

Info

Publication number
KR920005080A
KR920005080A KR1019910014492A KR910014492A KR920005080A KR 920005080 A KR920005080 A KR 920005080A KR 1019910014492 A KR1019910014492 A KR 1019910014492A KR 910014492 A KR910014492 A KR 910014492A KR 920005080 A KR920005080 A KR 920005080A
Authority
KR
South Korea
Prior art keywords
disc
cartridge
optical
loading
unit
Prior art date
Application number
KR1019910014492A
Other languages
English (en)
Inventor
히로또시 후지사와
Original Assignee
오오가 노리오
소니 가부시끼가이샤
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 오오가 노리오, 소니 가부시끼가이샤 filed Critical 오오가 노리오
Publication of KR920005080A publication Critical patent/KR920005080A/ko

Links

Classifications

    • 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
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • 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
    • G11B11/10556—Disposition or mounting of transducers relative to record carriers with provision for moving or switching or masking the transducers in or out of their operative position
    • G11B11/10558—Disposition or mounting of transducers relative to record carriers with provision for moving or switching or masking the transducers in or out of their operative position in view of the loading or unloading of 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
    • G11B11/10597—Adaptations for transducing various formats on the same or different carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/04—Feeding or guiding single record carrier to or from transducer unit
    • G11B17/041—Feeding or guiding single record carrier to or from transducer unit specially adapted for discs contained within cartridges
    • G11B17/043—Direct insertion, i.e. without external loading means
    • G11B17/0434—Direct insertion, i.e. without external loading means with mechanism for subsequent vertical movement of the disc
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/03—Containers for flat record carriers
    • G11B23/0301—Details
    • G11B23/0302—Auxiliary features
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
    • G11B33/121—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a single recording/reproducing device
    • 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
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L2019/0001—Codebooks
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L2019/0001—Codebooks
    • G10L2019/0012—Smoothing of parameters of the decoder interpolation

Abstract

내용 없음

Description

광 디스크용 기록 및 재생장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 광 디스크용 기록 및 재생 장치 내부에 정전되고 자기-광 디스크를 수용하는 디스크카트리지를 위에서 본 사시도.
제3도는 본 발명에 따른 광 디스크용 기록 및 재생 장치 내부에 장전되고 광 디스크를 수용하는 디스크 카트리지를 위에서 본 사시도.
제5도는 본 발명에 따른 광 디스크용 기록 및 재생 장치를 도시하는 사시도.
제6도는 외부 케이스내에 제공되어 있는 유니트 블록을 도시하는 분해 사시도.

Claims (10)

  1. 직경 80㎜이하의 광 디스크를 기록 매체로 수용하고 있는 디스크 카트리지를 채용한 광 디스크 기록 및 재생장치에 있어서, 112㎜ 이하의 길이, 89㎜ 이하의 높이를 가진 외부 케이싱을 구비하여, 상기 외부 케이싱은, 상기 디스크 카트리지를 장전하는 카트리지 장전구역과, 상기 디스크 카트리지에 수용된 광 디스크를 회전구동하는 구동 유니트와, 상기 광 디스크에 정보 신호를 기록하거나 그곳으로 부터의 정보 신호를 재생하기 위하여 상기 디스크 구동 유니트에 의해 회전 구동되는 상기 광 디스크의 내외주를 가로질러 이송되는 헤드 유니트와, 상기 카트리지 장전 구역에 상기 디스크 카트리지를 장전하고 상기 디스크 구동 유니트에 상기 디스크 카트리지내에 수용된 상기 광 디스크를 장전하는 디스크 장전 유니트 및, 배터리 저장구역을 포함하는 것을 특징으로 하는 광 디스크 기록 및 재생 장치.
  2. 제1항에 있어서, 상기 카트리지 장전 구역이 상기 광 디스크 카트리지가 상기 디스크 장전 수단에 의해 상기 디스크 구동 유니트에 장전될 때 상기 디스크 카트리지의 위치를 제어하는 위치 제어 수단을 포함하는 것을 특징으로 하는 광 디스크 기록 및 재생 장치.
  3. 제1항에 있어서, 상기 카트리지 장전 구역이 상기 디스크 구동 유니트, 상기 헤드 유니트, 상기 디스크 장전 유니트 및 상기 위치 제어 수단이 구비된 샤시베이스판을 포함하는 것을 특징으로 하는 광 디스크 기록 및 재생 장치.
  4. 제1항에 있어서, 상기 장전 유니트가 상기 디스크 카트리지에 구비된 셔터를 개방시키는 셔터 개방 수단을 포함하는 것을 특징으로 하는 광 디스크 기록 및 재생 장치.
  5. 제4항에 있어서, 상기 셔터 개방 수단이 카트리지 홀더에 도입되는 상기 디스크 카트리지의 상기 셔터에 대향하는 상기 장전 유니트의 측부에 제공되는 것을 특징으로 하는 광 디스크 기록 및 재생 장치.
  6. 제1항에 있어서, 상기 헤드 유니트가 광학 픽업 유니트와 자기 헤드 유니트를 포함하고, 상기 자기 헤드 유니트는 외부 자기장을 얻기 위한 것이며, 상기 광학 픽업 유니트 및 상기 자기 헤드 유니트는 장치에 장전된 상기 디스크 카트리지에 수용되는 상기 광 디스크의 양 측부에서 서로 대향하는 것을 특징으로 하는 광 디스크 기록 및 재생 장치.
  7. 제6항에 있어서, 장치에 장전된 상기 디스크 카트리지에 수용되는 디스크의 형태의 함수로서의 상기 자기 헤드 유니트의 수직 이동을 제어하는 제어 수단을 부가적으로 포함하는 것을 특징으로 하는 광 디스크 기록 및 재생 장치.
  8. 직경 80㎜이하의 광 디스크를 기록 매체로 수용하고 있는 디스크 카트리지를 채용한 광 디스크 기록 및 재생장치에 있어서, 112㎜ 이하의 길이, 89㎜ 이하의 폭, 31㎜이하의 높이를 가진 외부 케이싱을 구비하여, 상기 외부 케이싱은, 상기 디스크 카트리지를 장전하는 카트리지 장전구역과, 상기 디스크 카트리지에 수용된 광 디스크를 회전구동하는 구동 유니트와, 상기 광 디스크에 정보 신호를 기록하거나 그곳으로 부터의 정보 신호를 재생하기 위하여 상기 디스크 구동 유니트에 의해 회전 구동되는 상기 디스크의 내외주를 가로질러 이송되는 광학 픽업 유니트와, 기록될 정보 신호에 근거하여 외부 자기장을 발생시키고 상기 디스크 카트리지내에 수용된 광 디스크의 양측부에서 상기 광학 픽업 장치에 대향하도록 배치되는 자기 헤드 유니트와, 상기 카트리지 장전 구역에 상기 디스크 카트리지를 장전하고 상기 디스크 구동 유니트에 상기 디스크 카트리지내에 수용된 상기 광 디스크를 장전하는 디스크 장전 유니트 및, 배터리 저장 구역을 포함하는 것을 특징으로 하는 광 디스크 기록 및 재생 장치.
  9. 제8항에 있어서, 상기 디스크 카트리지내에 수용된 상기 디스크의 내외주를 가로질러 상기 광학 픽업 유니트를 이송시키는 이송 수단을 부갖거으로 포함하며, 상기 자기 헤드 유니트에는 거기에 일치하여 이동하는 상기 광학 픽업 유니트가 연결되는 것을 특징으로 하는 광 디스크 기록 및 재생 장치.
  10. 제8항에 있어서, 장치내에 장전된 상기 디스크 카트리지내에 수용되는 디스크의 형태의 함수로서의 상기 자기 헤드 유니트의 수직 이동을 제어하는 제어 수단을 부가적으로 포함하는 것을 특징으로 하는 광 디스크 기록 및 재생 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910014492A 1990-08-24 1991-08-22 광 디스크용 기록 및 재생장치 KR920005080A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2222828A JPH04105284A (ja) 1990-08-24 1990-08-24 光ディスク記録及び／又は再生装置
JP222828 1990-08-24

Publications (1)

Publication Number Publication Date
KR920005080A true KR920005080A (ko) 1992-03-28

Family

ID=16788549

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910014492A KR920005080A (ko) 1990-08-24 1991-08-22 광 디스크용 기록 및 재생장치

Country Status (11)

Country Link
US (2) US5309421A (ko)
EP (1) EP0475595B1 (ko)
JP (1) JPH04105284A (ko)
KR (1) KR920005080A (ko)
CN (1) CN1026275C (ko)
AT (1) ATE159608T1 (ko)
AU (1) AU652378B2 (ko)
CA (1) CA2049114C (ko)
DE (1) DE69128015T2 (ko)
MY (1) MY107662A (ko)
RU (1) RU2056647C1 (ko)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69225159T2 (de) * 1991-02-08 1998-08-13 Sony Corp Magnetooptisches Medium
JP3077220B2 (ja) * 1991-02-23 2000-08-14 ソニー株式会社 記録再生装置
JP2940268B2 (ja) * 1991-11-28 1999-08-25 ソニー株式会社 光磁気ディスク記録再生装置
DE69232396T2 (de) * 1991-12-10 2002-09-19 Khyber Technologies Corp Tragbares nachrichten- und planungsgerät mit basisstation
TW209901B (ko) * 1992-01-27 1993-07-21 Sony Co Ltd
US5815344A (en) 1992-02-17 1998-09-29 Sony Corporation Disc cartridge loading apparatus
JP3019232B2 (ja) * 1992-03-06 2000-03-13 キヤノン株式会社 光磁気ディスク装置
EP0571227B1 (en) * 1992-05-22 1998-07-15 Sony Corporation Disc cartridge loading apparatus
US5450377A (en) * 1992-10-05 1995-09-12 Samsung Electronics Co., Ltd. Magnetooptical recording and reproducing apparatus having an automatic hand lifting device
KR0136828B1 (ko) * 1993-01-13 1998-05-15 모리시타 요이찌 정보기록재생장치(information recording and reproducing apparatus)
JPH06223471A (ja) * 1993-01-29 1994-08-12 Sony Corp ディスク記録及び／又は再生装置
US5537377A (en) * 1993-06-30 1996-07-16 Clarion Co., Ltd. Information recording and reproducing apparatus
JPH0785645A (ja) * 1993-09-20 1995-03-31 Sony Corp 電子機器におけるシャーシー構造
KR0132857B1 (ko) * 1993-12-06 1998-04-18 김광호 광자기 디스크 플레이어의 자기헤드 승강장치
JPH07262639A (ja) * 1994-03-18 1995-10-13 Pioneer Electron Corp 光磁気記録再生装置
US5724331A (en) * 1994-08-25 1998-03-03 Discovision Associates Disk drive system having improved cartridge-loading apparatus including direct drive gear train and methods for making and operating same
US6009061A (en) 1994-08-25 1999-12-28 Discovision Associates Cartridge-loading apparatus with improved base plate and cartridge receiver latch
TW347899U (en) * 1994-08-31 1998-12-11 Sony Corp Optical recording/reproducing device
CA2156463A1 (en) * 1994-09-05 1996-03-06 Nobuyuki Aoki Data reproducing method and data reproducing apparatus
DE69536139D1 (de) 1994-11-17 2011-03-24 Panasonic Corp Optische Platte und Verfahren zur Wiedergabe von Daten von einer optischen Platte
USRE39653E1 (en) 1994-11-17 2007-05-22 Matsushita Electric Industrial Co., Ltd. Mark forming apparatus, method of forming laser mark on optical disk, reproducing apparatus, optical disk and method of producing optical disk
JPH08236951A (ja) * 1995-02-24 1996-09-13 Sony Corp 電子機器
JPH09231713A (ja) * 1995-12-20 1997-09-05 Fuji Photo Film Co Ltd 磁気ディスクカートリッジおよび磁気ディスク駆動装置
JP2831608B2 (ja) * 1995-12-28 1998-12-02 三星電子株式会社 ミニディスクプレイヤ
JPH09223370A (ja) * 1996-02-16 1997-08-26 Sony Corp ディスク記録及び／又は再生装置
US5732063A (en) * 1996-11-20 1998-03-24 Behavior Tech Computer Corporation Optic disk drive vibration absorbing device
US6404705B1 (en) * 1997-03-14 2002-06-11 Hitachi Maxell, Ltd. Magneto-optical disk apparatus having an adjustment mechanism for setting the position of magnetic heads
US6195324B1 (en) * 1998-03-20 2001-02-27 Pioneer Electronic Corporation Disk player
JP2000123543A (ja) * 1998-10-14 2000-04-28 Sony Corp ディスクカートリッジ及びディスクドライブシステムにおける防塵機構
DE60033725T2 (de) * 1999-04-28 2007-12-06 Sharp K.K. Plattenkassette
US6820274B1 (en) * 1999-10-07 2004-11-16 Sony Corporation Magento-optic disc recording and/or reproducing device
US7196975B1 (en) 1999-11-12 2007-03-27 Matsushita Electric Industrial Co., Ltd. Magneto-optical disk with protective layer, and optical disk device
WO2001063601A1 (de) * 2000-02-25 2001-08-30 Freecom Technologies Gmbh Laufwerk zur wiedergabe und/oder aufzeichnung von digitalen daten
JP2003077240A (ja) * 2001-08-30 2003-03-14 Toshiba Corp ディスク装置及び同装置におけるヘッドロード制御方法
US20050242869A1 (en) * 2002-07-08 2005-11-03 Koninklijke Philips Electronics N.V. Medium for storing and reading information, and device for storing and reading of information on and from the medium
JP3726800B2 (ja) * 2002-11-08 2005-12-14 ソニー株式会社 ディスク記録再生装置
JP2006074177A (ja) * 2004-08-31 2006-03-16 Toshiba Corp 電子機器
US7383560B2 (en) * 2005-01-18 2008-06-03 Imation Corp. Multi-disk data cartridge
JP2006268918A (ja) * 2005-03-22 2006-10-05 Fuji Photo Film Co Ltd 記録ディスクカートリッジおよびディスクドライブ

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3729201A (en) * 1970-12-18 1973-04-24 Ibm Miniature disc dictation machine featuring absolute synchronized disc-transducer driving arrangement
US4539671A (en) * 1982-09-24 1985-09-03 Sony Corporation Recording and/or reproducing apparatus for a disk
JPS60173743A (ja) * 1984-02-17 1985-09-07 Sord Comput Corp 光磁気デイスクの記録・再生装置
US4712146A (en) * 1985-06-04 1987-12-08 Plus Development Corporation Thin and compact micro-Winchester head and disk assembly
JPH071560B2 (ja) * 1985-09-20 1995-01-11 オリンパス光学工業株式会社 光学式記録再生装置
JPS6290448U (ko) * 1985-11-22 1987-06-10
US5196978A (en) * 1986-05-27 1993-03-23 Sharp Kabushiki Kaisha Cartridge case
US4945530A (en) * 1986-11-14 1990-07-31 Opticord, Inc. Cartridge for optical data discs
JPS63257944A (ja) * 1987-04-15 1988-10-25 Seiko Epson Corp 小型光磁気デイスクメモリ装置
JPH0695405B2 (ja) * 1988-04-07 1994-11-24 シャープ株式会社 光磁気デイスク装置
JPH0250336A (ja) * 1988-08-11 1990-02-20 Nikon Corp 兼用可能なオーバーライト型光磁気記録装置
US4995029A (en) * 1988-10-24 1991-02-19 Tdk Corporation Optical disk identifying method, manufacture of cartridge-enclosed optical disks, and optical disk cartridges
JPH0778919B2 (ja) * 1989-06-19 1995-08-23 日本ビクター株式会社 小型光磁気ディスク装置
DE69011759T2 (de) * 1989-06-15 1995-03-16 Matsushita Electric Ind Co Ltd Magneto-optisches Aufnahme- und/oder Wiedergabegerät.
JP2979592B2 (ja) * 1990-06-21 1999-11-15 ソニー株式会社 ディスクカートリッジ
US5202863A (en) * 1990-09-11 1993-04-13 Matsushita Electric Industrial Co., Ltd. Magneto-optical disk unit compatible with different two types of magneto-optical disks and a magnetic-field generator suitable thereof

Also Published As

Publication number Publication date
EP0475595A2 (en) 1992-03-18
DE69128015D1 (de) 1997-11-27
CA2049114A1 (en) 1992-02-25
AU8246991A (en) 1992-02-27
JPH04105284A (ja) 1992-04-07
US6137770A (en) 2000-10-24
AU652378B2 (en) 1994-08-25
CA2049114C (en) 2000-10-31
ATE159608T1 (de) 1997-11-15
EP0475595B1 (en) 1997-10-22
CN1059222A (zh) 1992-03-04
CN1026275C (zh) 1994-10-19
US5309421A (en) 1994-05-03
DE69128015T2 (de) 1998-04-02
RU2056647C1 (ru) 1996-03-20
MY107662A (en) 1996-05-30
EP0475595A3 (en) 1992-10-14

Similar Documents

Publication Publication Date Title
KR920005080A (ko) 광 디스크용 기록 및 재생장치
CA2133293A1 (en) Disk recording and reproducing apparatus
CA2013760A1 (en) Disc cartridge
DE68915820D1 (de) Plattenkassette.
KR100320134B1 (ko) 디스크 기록 및/또는 재생장치를 위한 로딩구조
KR920008683A (ko) 자기광 디스크 기록 재생 장치
KR960008719A (ko) 디스크형 광학 기록 매체 기록 및/또는 재생 장치
EP0795856A3 (en) Disc recording and/or reproducing apparatus
ATE199793T1 (de) Plattenkassette
KR910008711A (ko) 디스크용 기록재생장치
CA2049767A1 (en) Disc-shaped recording medium
DE69224044D1 (de) Plattenkassette
KR940002781A (ko) 원통형 정보기록매체와 그 기록재생장치
KR920008221B1 (ko) 원통형 정보기록 매체
KR900016961A (ko) 광학적 정보기록 재생장치의 광픽업 구동장치
JPH0386987A (ja) 小型光ディスクカートリッジ
JP3297991B2 (ja) 記録装置
KR100245964B1 (ko) 기록 및 재생장치
KR880003304A (ko) 정보 재생 기록장치
JP2751890B2 (ja) カートリッジおよび光ディスク装置
KR930020377A (ko) 컴팩트 디스크 시스템의 기록 및 재생방법
JP2002074900A (ja) 記録又は再生装置
JPH05274834A (ja) ヘッド駆動装置
JPS61196488A (ja) テ−プカセツト
KR20030063886A (ko) 디스크 호환가능형 기록재생장치용 디스크 카트리지

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
AMND Amendment
E902 Notification of reason for refusal
AMND Amendment
E601 Decision to refuse application
J201 Request for trial against refusal decision
AMND Amendment
B601 Maintenance of original decision after re-examination before a trial
J301 Trial decision

Free format text: TRIAL DECISION FOR APPEAL AGAINST DECISION TO DECLINE REFUSAL REQUESTED 20000616

Effective date: 20010430