ATE132649T1 - Wiedergabeverbesserung für cd - Google Patents

Wiedergabeverbesserung für cd

Info

Publication number
ATE132649T1
ATE132649T1 AT89311596T AT89311596T ATE132649T1 AT E132649 T1 ATE132649 T1 AT E132649T1 AT 89311596 T AT89311596 T AT 89311596T AT 89311596 T AT89311596 T AT 89311596T AT E132649 T1 ATE132649 T1 AT E132649T1
Authority
AT
Austria
Prior art keywords
playback
compact disc
improvement
adhering
turns
Prior art date
Application number
AT89311596T
Other languages
English (en)
Inventor
John P Murphy
Original Assignee
John P Murphy
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 John P Murphy filed Critical John P Murphy
Application granted granted Critical
Publication of ATE132649T1 publication Critical patent/ATE132649T1/de

Links

Classifications

    • 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
    • G11B23/0014—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 record carriers not specifically of filamentary or web form
    • G11B23/0021—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 record carriers not specifically of filamentary or web form discs
    • G11B23/0028—Details
    • G11B23/0035—Details means incorporated in the disc, e.g. hub, to enable its guiding, loading or driving
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Packaging For Recording Disks (AREA)
AT89311596T 1988-12-12 1989-11-09 Wiedergabeverbesserung für cd ATE132649T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28312788A 1988-12-12 1988-12-12

Publications (1)

Publication Number Publication Date
ATE132649T1 true ATE132649T1 (de) 1996-01-15

Family

ID=23084650

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89311596T ATE132649T1 (de) 1988-12-12 1989-11-09 Wiedergabeverbesserung für cd

Country Status (7)

Country Link
US (1) US5590114A (de)
EP (1) EP0373763B1 (de)
JP (1) JPH02214078A (de)
AT (1) ATE132649T1 (de)
AU (1) AU619620B2 (de)
CA (1) CA2003171A1 (de)
DE (1) DE68925349T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0464674A3 (en) * 1990-06-29 1992-07-08 Sony Corporation Magneto-optical disc
CA2063002A1 (en) * 1991-04-01 1992-10-02 Edward J. Woo Optical disk with vibration dampening
JP3038983B2 (ja) * 1991-04-30 2000-05-08 ソニー株式会社 光ディスク及びディスクカートリッジ
JP2854191B2 (ja) * 1992-06-19 1999-02-03 シャープ株式会社 記録媒体
GB2299699A (en) * 1995-04-03 1996-10-09 Ivan Yung Chih Lin Damping vibrations of a compact disc during playing thereof
NL1004203C2 (nl) * 1996-10-04 1997-09-05 Raatjes Artspeak Dempingselement.
JP3991390B2 (ja) * 1997-05-30 2007-10-17 富士通株式会社 記憶装置
DE60031604T2 (de) 1999-07-13 2007-09-13 Fuji Photo Film Co., Ltd., Minami-Ashigara Medium für optische Aufzeichnung
EP1898405A3 (de) 1999-08-20 2008-12-31 Ricoh Company, Ltd. Informationsaufzeichnungsmedium
JP2001216755A (ja) * 1999-12-29 2001-08-10 Iomega Corp 縁部補強材を用いたフレキシブル・ディスク
FR2850785B1 (fr) * 2003-01-30 2006-05-26 Marie Therese Iruela Guillot Dispositif de protection pour disque optique
AU2003302204A1 (en) * 2003-12-24 2005-08-11 Iruela (Epouse Guillot), Marie-Therese Protection device for an optical disk
TWI322417B (en) 2005-11-03 2010-03-21 Princo Corp Optical disc capable of suppressing vibration while reading/writing and the method of fabricating the same
US20070104084A1 (en) * 2005-11-07 2007-05-10 Chen Kuo C External optical disk stabilizer and method of use
US20070197895A1 (en) * 2006-02-17 2007-08-23 Sdgi Holdings, Inc. Surgical instrument to assess tissue characteristics
WO2009113731A1 (en) * 2008-03-13 2009-09-17 Ricoh Company, Ltd. Disk rotating device, disk, disk assembly, disk cartridge, and recording and reproducing device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1202884A (en) * 1967-10-31 1970-08-19 Stephen George Means for preventing relative slippage between phonograph records
US3894701A (en) * 1973-07-02 1975-07-15 Bell & Howell Co Information carrier magazine handling apparatus
US4012048A (en) * 1975-05-02 1977-03-15 Newcomb Audio Products Co. Acoustic damping turntable and adapter
JPS60256934A (ja) * 1984-06-01 1985-12-18 Matsushita Electric Ind Co Ltd 光情報担体デイスク
DE8504837U1 (de) * 1985-02-21 1985-08-14 Fuhrmann, Udo, 5980 Werdohl CD-Platte
US4726007A (en) * 1986-07-03 1988-02-16 Mccormack Steven A Compact disc damper and method
US4760627A (en) * 1987-03-23 1988-08-02 Enrique Schele Apparatus for an oscillating pinch roll assembly utilized in the extrusion of blown films

Also Published As

Publication number Publication date
DE68925349T2 (de) 1996-07-25
EP0373763A2 (de) 1990-06-20
CA2003171A1 (en) 1990-06-12
DE68925349D1 (de) 1996-02-15
EP0373763A3 (de) 1991-11-06
JPH02214078A (ja) 1990-08-27
AU619620B2 (en) 1992-01-30
AU4532489A (en) 1990-06-14
EP0373763B1 (de) 1996-01-03
US5590114A (en) 1996-12-31

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties