DE3777461D1 - Optisches aufzeichnungs-und wiedergabegeraet. - Google Patents

Optisches aufzeichnungs-und wiedergabegeraet.

Info

Publication number
DE3777461D1
DE3777461D1 DE8787108833T DE3777461T DE3777461D1 DE 3777461 D1 DE3777461 D1 DE 3777461D1 DE 8787108833 T DE8787108833 T DE 8787108833T DE 3777461 T DE3777461 T DE 3777461T DE 3777461 D1 DE3777461 D1 DE 3777461D1
Authority
DE
Germany
Prior art keywords
optical recording
playback device
playback
recording
optical
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
Application number
DE8787108833T
Other languages
English (en)
Inventor
Kenji Koishi
Tamotsu Matsuo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority claimed from JP61145104A external-priority patent/JPS632120A/ja
Priority claimed from JP61224471A external-priority patent/JPH0785308B2/ja
Priority claimed from JP61224472A external-priority patent/JP2506686B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE3777461D1 publication Critical patent/DE3777461D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
DE8787108833T 1986-06-20 1987-06-19 Optisches aufzeichnungs-und wiedergabegeraet. Expired - Lifetime DE3777461D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP61145104A JPS632120A (ja) 1986-06-20 1986-06-20 光記録再生装置
JP61224471A JPH0785308B2 (ja) 1986-09-22 1986-09-22 光記録再生装置
JP61224472A JP2506686B2 (ja) 1986-09-22 1986-09-22 光記録再生装置

Publications (1)

Publication Number Publication Date
DE3777461D1 true DE3777461D1 (de) 1992-04-23

Family

ID=27318935

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787108833T Expired - Lifetime DE3777461D1 (de) 1986-06-20 1987-06-19 Optisches aufzeichnungs-und wiedergabegeraet.

Country Status (4)

Country Link
US (1) US4800548A (de)
EP (1) EP0249996B1 (de)
KR (1) KR910001714B1 (de)
DE (1) DE3777461D1 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960010569B1 (ko) * 1987-02-27 1996-08-02 소니 가부시끼가이샤 디스크 기록 장치
JPS6479942A (en) * 1987-09-21 1989-03-24 Toshiba Corp Information processor
JPH01232545A (ja) * 1987-11-19 1989-09-18 Olympus Optical Co Ltd 光記録方法及び光ディスク装置
JPH077528B2 (ja) * 1988-01-25 1995-01-30 キヤノン株式会社 光学式情報記録装置
US5204847A (en) * 1989-11-20 1993-04-20 International Business Machines Corporation Sensing previously-recorded information while recording or erasing a magnetooptic storage number
US5233584A (en) * 1990-09-04 1993-08-03 International Business Machines Corporation Optical disk device using high and low data-sensing criteria plus device recalibration for error control
JPH05128573A (ja) * 1991-11-08 1993-05-25 Pioneer Electron Corp レーザダイオード駆動制御装置
JP2677470B2 (ja) * 1991-12-09 1997-11-17 株式会社河合楽器製作所 自動演奏システム
JP3006698B2 (ja) * 1991-12-13 2000-02-07 株式会社河合楽器製作所 自動演奏装置
JPH05273981A (ja) * 1992-03-26 1993-10-22 Kawai Musical Instr Mfg Co Ltd 電子楽器
US5564013A (en) * 1992-06-22 1996-10-08 Matsushita Electric Industrial Co., Ltd. Optical information recording and reproducing apparatus adapted to optically record and reproduce data in a sector, and method thereof
JPH06176484A (ja) * 1992-12-04 1994-06-24 Sony Corp データ記録装置
US5495466A (en) * 1994-01-10 1996-02-27 Eastman Kodak Company Write verification in an optical recording system by sensing mark formation while writing
JP3403283B2 (ja) * 1995-11-24 2003-05-06 ミネベア株式会社 情報記憶装置
US5726965A (en) * 1996-02-29 1998-03-10 Eastman Kodak Company Intersymbol interference detection in an optical recording system using a reflected write signal
KR100312493B1 (ko) * 1997-12-31 2001-12-28 구자홍 광자기기록매체상의기록방법및장치
KR100329208B1 (ko) * 1998-06-18 2002-03-21 니시무로 타이죠 기능소자와 그 제조방법 및 이 기능소자를 이용한 광디스크장치
JP2001216647A (ja) * 1999-11-22 2001-08-10 Sanyo Electric Co Ltd 制御装置
JP3594547B2 (ja) 1999-11-22 2004-12-02 三洋電機株式会社 データ記録装置
JP2001216646A (ja) 1999-11-22 2001-08-10 Sanyo Electric Co Ltd データ記録装置
JP2001216645A (ja) 1999-11-22 2001-08-10 Sanyo Electric Co Ltd 制御装置
JP2001216644A (ja) * 1999-11-22 2001-08-10 Sanyo Electric Co Ltd データ記録装置
JP3545330B2 (ja) 1999-12-27 2004-07-21 三洋電機株式会社 記録制御装置
JP3754288B2 (ja) * 1999-12-27 2006-03-08 三洋電機株式会社 制御装置
JP2001250327A (ja) * 1999-12-27 2001-09-14 Sanyo Electric Co Ltd データ記録システム
JP2001250329A (ja) * 1999-12-27 2001-09-14 Sanyo Electric Co Ltd データ記録装置
US6477124B2 (en) 2000-11-15 2002-11-05 Doug Carson & Associates, Inc. Varying the rate at which data appear on an optical disc rotated at a constant linear velocity to prevent unauthorized duplication of the disc
US7568081B2 (en) * 2000-11-15 2009-07-28 Doug Carson & Associates, Inc. Authenticating a data storage medium using predetermined inter-sector relationships
DE60135377D1 (de) * 2000-12-14 2008-09-25 Edc Systems Inc Verfahren zur Authentifizierung eines optischen Aufzeichnungsmediums und ein optisches Aufzeichnungsmedium
US7562396B2 (en) * 2001-08-21 2009-07-14 Ecd Systems, Inc. Systems and methods for media authentication
US7643393B2 (en) * 2001-12-12 2010-01-05 Ecd Systems, Inc. Systems and methods for optical media modification
US7716485B2 (en) * 2002-02-01 2010-05-11 Sca Ipla Holdings Inc. Systems and methods for media authentication
DE102004049951A1 (de) * 2004-10-13 2006-04-20 Schneider Gmbh + Co. Kg Hochdynamische Linsenbearbeitungsmaschine
JP2008108335A (ja) * 2006-10-24 2008-05-08 Funai Electric Co Ltd 光ディスク装置
JP5392299B2 (ja) * 2011-05-31 2014-01-22 船井電機株式会社 光ディスク装置
KR102205374B1 (ko) 2012-12-06 2021-01-21 아이플루언스, 인크. 아이 트래킹 웨어러블 디바이스들 및 사용을 위한 방법들

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4103338A (en) * 1977-02-28 1978-07-25 Xerox Corporation Self-diagnostic method and apparatus for disk drive
US4546462A (en) * 1981-12-04 1985-10-08 Matsushita Electric Industrial Co., Ltd. Optical data recording and reproducing apparatus
DE3275960D1 (en) * 1982-01-06 1987-05-07 Hitachi Ltd Control circuit for controlling light source in optical disc device
JPS58158038A (ja) * 1982-03-15 1983-09-20 Toshiba Corp 光デイスク装置
JPS58189840A (ja) * 1982-04-30 1983-11-05 Hitachi Ltd 光学的情報処理装置
JPS5965946A (ja) * 1982-10-06 1984-04-14 Hitachi Ltd ビデオデイスクプレ−ヤ
US4660189A (en) * 1984-03-24 1987-04-21 Sony Corporation Optical disk player having reduced laser output during track changes
US4757490A (en) * 1984-05-23 1988-07-12 Sony Corporation Modulation abnormality detector for optical sound-recording system
JPH0740363B2 (ja) * 1985-03-20 1995-05-01 株式会社日立製作所 光学的記録再生装置
US4725968A (en) * 1985-05-14 1988-02-16 Nicolet Instrument Corporation Disk drive testing method and apparatus

Also Published As

Publication number Publication date
US4800548A (en) 1989-01-24
KR880000923A (ko) 1988-03-30
EP0249996A1 (de) 1987-12-23
KR910001714B1 (ko) 1991-03-19
EP0249996B1 (de) 1992-03-18

Similar Documents

Publication Publication Date Title
DE3777461D1 (de) Optisches aufzeichnungs-und wiedergabegeraet.
DE3750173D1 (de) Aufnahme- und Wiedergabegerät.
DE3888565D1 (de) Aufzeichnungs- und Wiedergabegerät.
DE3789373D1 (de) Aufnahmegerät und Wiedergabegerät.
DE68911331D1 (de) Aufzeichnungs- und Wiedergabegerät.
DE3580704D1 (de) Aufzeichnungs- und wiedergabegeraet.
DE68924906D1 (de) Aufzeichnungs-/Wiedergabeanordnung.
DE3485435D1 (de) Optische aufzeichnungs- und wiedergabevorrichtung.
DE3883269D1 (de) Aufzeichnungs- und wiedergabeeinrichtung optischer informationen.
KR880001284U (ko) 디스크 재생장치
DE68911730D1 (de) Optisches Wiedergabegerät.
DE68919342D1 (de) Aufzeichnungs-/Wiedergabeanordnung.
DE3776755D1 (de) Optisches datenaufzeichnungsgeraet.
DE69015440D1 (de) Aufzeichnungs-/Wiedergabegerät.
DE69012945D1 (de) Optische aufzeichnungs- und/oder -wiedergabegerät.
DE3685151D1 (de) Datenaufzeichnungs- und wiedergabegeraet.
DE3684663D1 (de) Optisches informationsaufnahme- und -wiedergabegeraet.
DE3584615D1 (de) Optische aufnahme- und wiedergabevorrichtung.
DE3887078D1 (de) Optisches Informationswiedergabegerät.
DE58907308D1 (de) Optisches aufzeichnungs- und/oder wiedergabe-gerät.
KR870015363U (ko) 기록 및 재생장치
DE69019248D1 (de) Optisches Aufnahme- und/oder Wiedergabegerät.
DE3780866D1 (de) Optisches informations-aufzeichnungs- und wiedergabegeraet.
DE69024416D1 (de) Optisches Aufzeichnungs- und Wiedergabegerät
DE3787388D1 (de) Optisches Aufzeichnungsgerät.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee