KR900702515A - 광학기록 및/또는 재생장치 - Google Patents

광학기록 및/또는 재생장치

Info

Publication number
KR900702515A
KR900702515A KR1019900701642A KR900701642A KR900702515A KR 900702515 A KR900702515 A KR 900702515A KR 1019900701642 A KR1019900701642 A KR 1019900701642A KR 900701642 A KR900701642 A KR 900701642A KR 900702515 A KR900702515 A KR 900702515A
Authority
KR
South Korea
Prior art keywords
optical recording
playback devices
playback
devices
recording
Prior art date
Application number
KR1019900701642A
Other languages
English (en)
Other versions
KR0181730B1 (ko
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 filed Critical
Publication of KR900702515A publication Critical patent/KR900702515A/ko
Application granted granted Critical
Publication of KR0181730B1 publication Critical patent/KR0181730B1/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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • 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
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/121—Protecting the head, e.g. against dust or impact with the record carrier

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
KR1019900701642A 1988-11-30 1989-11-21 광학기록 및/또는 재생쟁치 KR0181730B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE3840311A DE3840311A1 (de) 1988-11-30 1988-11-30 Optisches aufzeichnungs- und/oder wiedergabe-geraet
DEP3840311.0 1988-11-30
DE3840311.0 1988-11-30
DEPEP89/01413 1989-11-21
PCT/EP1989/001413 WO1990006576A1 (de) 1988-11-30 1989-11-21 Optisches aufzeichnungs- und/oder wiedergabe-gerät

Publications (2)

Publication Number Publication Date
KR900702515A true KR900702515A (ko) 1990-12-07
KR0181730B1 KR0181730B1 (ko) 1999-10-01

Family

ID=6368146

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900701642A KR0181730B1 (ko) 1988-11-30 1989-11-21 광학기록 및/또는 재생쟁치

Country Status (9)

Country Link
US (1) US5245601A (ko)
EP (1) EP0447466B1 (ko)
JP (1) JPH04502080A (ko)
KR (1) KR0181730B1 (ko)
DE (2) DE3840311A1 (ko)
ES (1) ES2051509T3 (ko)
HK (1) HK9796A (ko)
HU (1) HUT57936A (ko)
WO (1) WO1990006576A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100327317B1 (ko) * 1998-07-08 2002-03-06 이형도 광 디스크 플레이어

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5255256A (en) * 1992-01-07 1993-10-19 International Business Machines Corporation Optical data storage system with reduced particle contamination
JP3320906B2 (ja) * 1994-06-30 2002-09-03 アルパイン株式会社 ディスク装置
US5465828A (en) * 1994-07-20 1995-11-14 Thomas Air Systems, Inc. Automated mail processing cleaning system
US5551175A (en) * 1994-10-17 1996-09-03 Neyman; Joseph H. Removing lint from flatwork ironer temperature sensors
BE1010187A3 (fr) * 1996-05-15 1998-02-03 Staar Sa Dispositif de protection pour moyens de lecture et/ou d'enregistrement.
US5995467A (en) * 1996-07-25 1999-11-30 Sony Corporation Disc recording and/or reproducing apparatus with a liftable optical pickup apparatus and coordinated lens shutter
JPH10199005A (ja) * 1996-12-26 1998-07-31 Sony Corp 光学ピックアップ装置
JP3352416B2 (ja) * 1998-07-08 2002-12-03 三星電機株式会社 光ディスクプレーヤー
US6151283A (en) * 1998-11-19 2000-11-21 Kobayashi; Asao Lens cleaner for a disc unit
US6487158B2 (en) 1999-07-14 2002-11-26 Hewlett-Packard Company Cover member and method for an optical disc drive
US6385161B1 (en) * 1999-07-14 2002-05-07 Hewlett-Packard Company Securing mechanism and method for an optical disc drive
EP1211677A1 (en) * 2000-12-04 2002-06-05 Thomson Licensing S.A. Disk player with integrated lens cleaner and method for cleaning a lens
DE10063940A1 (de) * 2000-12-20 2002-07-04 Thomson Brandt Gmbh Aufzeichnungs- und/oder Wiedergabegerät für optische Aufzeichnungsträger
US6641301B2 (en) * 2001-04-09 2003-11-04 Exergen Corporation Radiation detector with passive air purge and reduced noise
US7227717B1 (en) * 2001-06-18 2007-06-05 Seagate Technology Llc Asymmetric disk surface properties in one head disk drives
JP2005327350A (ja) * 2004-05-12 2005-11-24 Sony Corp 光ディスク装置の対物レンズのクリーニング方法と装置
RU2334280C1 (ru) * 2007-04-02 2008-09-20 Дмитрий Анатольевич Беляев Устройство для очистки ложемента шпинделя устройства считывания и/или записи информации на компакт-диски
JP6210460B2 (ja) * 2012-11-06 2017-10-11 パナソニックＩｐマネジメント株式会社 光ディスク装置、シート部材及び対物レンズの清浄方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2024495B (en) * 1978-05-16 1982-12-22 Burroughs Corp Record-disc cover having air filtration section
NL8004379A (nl) * 1980-07-31 1982-03-01 Philips Nv Inrichting voor het met behulp van een stralingsbundel inschrijven en/of uitlezen van informatie op een roterende informatieschijf.
JPS5965954A (ja) * 1982-10-06 1984-04-14 Victor Co Of Japan Ltd 静電容量変化検出型再生装置における針先清掃装置
JPS59154626A (ja) * 1983-02-23 1984-09-03 Canon Inc 記録又は再生ヘツドの清掃装置
JPS60127540A (ja) * 1983-12-13 1985-07-08 Matsushita Electric Ind Co Ltd 光学式デイスクプレ−ヤの読出装置における対物レンズクリ−ナ−
JPS61224151A (ja) * 1985-03-29 1986-10-04 Canon Inc 情報記録再生装置
JPS61224190A (ja) * 1985-03-29 1986-10-04 Canon Inc 情報記録再生装置
JPS61280043A (ja) * 1985-06-05 1986-12-10 Nec Eng Ltd 光デイスク装置
JPS6224448A (ja) * 1985-07-25 1987-02-02 Sony Corp 光学ピツクアツプの対物レンズクリ−ニング方法
JPS6252785A (ja) * 1985-08-30 1987-03-07 Nec Corp 光学式記録再生装置
JPS63217584A (ja) * 1987-03-04 1988-09-09 Nec Corp 光デイスクカ−トリツジ
JPS63255839A (ja) * 1987-04-13 1988-10-24 Matsushita Graphic Commun Syst Inc 光デイスク記録再生装置
JPS63273226A (ja) * 1987-04-30 1988-11-10 Toshiba Corp 光学素子の清掃部材
JPS6413235A (en) * 1987-07-07 1989-01-18 Matsushita Electric Ind Co Ltd Optical recording and reproducing device
JPS6462240A (en) * 1987-09-02 1989-03-08 Nippon Steel Corp Production of rough billet by forging

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100327317B1 (ko) * 1998-07-08 2002-03-06 이형도 광 디스크 플레이어

Also Published As

Publication number Publication date
HK9796A (en) 1996-01-26
HUT57936A (en) 1991-12-30
JPH04502080A (ja) 1992-04-09
EP0447466B1 (de) 1994-03-23
EP0447466A1 (de) 1991-09-25
ES2051509T3 (es) 1994-06-16
DE3840311A1 (de) 1990-05-31
WO1990006576A1 (de) 1990-06-14
DE58907308D1 (de) 1994-04-28
US5245601A (en) 1993-09-14
KR0181730B1 (ko) 1999-10-01
HU900401D0 (en) 1991-08-28

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
AMND Amendment
E601 Decision to refuse application
J201 Request for trial against refusal decision
B701 Decision to grant
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20041201

Year of fee payment: 7

LAPS Lapse due to unpaid annual fee