GB2351598B - Disc recording and/or reproducing apparatus and optical pickup apparatus - Google Patents

Disc recording and/or reproducing apparatus and optical pickup apparatus

Info

Publication number
GB2351598B
GB2351598B GB0022343A GB0022343A GB2351598B GB 2351598 B GB2351598 B GB 2351598B GB 0022343 A GB0022343 A GB 0022343A GB 0022343 A GB0022343 A GB 0022343A GB 2351598 B GB2351598 B GB 2351598B
Authority
GB
United Kingdom
Prior art keywords
optical pickup
disc recording
reproducing apparatus
pickup apparatus
reproducing
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 - Fee Related
Application number
GB0022343A
Other versions
GB0022343D0 (en
GB2351598A (en
Inventor
Masao Ohyama
Yoshinori Yamamoto
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.)
Sony Corp
Original Assignee
Sony Corp
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 JP21334196A external-priority patent/JP3513848B2/en
Priority claimed from JP22073496A external-priority patent/JP3513849B2/en
Application filed by Sony Corp filed Critical Sony Corp
Priority claimed from GB9715354A external-priority patent/GB2315590B/en
Publication of GB0022343D0 publication Critical patent/GB0022343D0/en
Publication of GB2351598A publication Critical patent/GB2351598A/en
Application granted granted Critical
Publication of GB2351598B publication Critical patent/GB2351598B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • G11B7/08582—Sled-type positioners

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
GB0022343A 1996-07-25 1997-07-21 Disc recording and/or reproducing apparatus and optical pickup apparatus Expired - Fee Related GB2351598B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP21334196A JP3513848B2 (en) 1996-07-25 1996-07-25 Optical disk drive
JP22073496A JP3513849B2 (en) 1996-08-05 1996-08-05 Optical disk drive
GB9715354A GB2315590B (en) 1996-07-25 1997-07-21 Disc recording and/or reproducing apparatus and optical pickup apparatus

Publications (3)

Publication Number Publication Date
GB0022343D0 GB0022343D0 (en) 2000-10-25
GB2351598A GB2351598A (en) 2001-01-03
GB2351598B true GB2351598B (en) 2001-02-21

Family

ID=27268942

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0022343A Expired - Fee Related GB2351598B (en) 1996-07-25 1997-07-21 Disc recording and/or reproducing apparatus and optical pickup apparatus

Country Status (1)

Country Link
GB (1) GB2351598B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5615196A (en) * 1994-06-30 1997-03-25 Alpine Electronics, Inc. Disk apparatus with optical head cleaning member

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5615196A (en) * 1994-06-30 1997-03-25 Alpine Electronics, Inc. Disk apparatus with optical head cleaning member

Also Published As

Publication number Publication date
GB0022343D0 (en) 2000-10-25
GB2351598A (en) 2001-01-03

Similar Documents

Publication Publication Date Title
EP0895226A4 (en) Optical disc and recording/reproducing apparatus therefor
SG47219A1 (en) Optical pickup device and optical disc reproducing apparatus
TW433529U (en) Recording medium and optical disk apparatus
HK1016819A1 (en) Optical disk and optical disk recording and reproducing device
SG65741A1 (en) Recording apparatus reproducing apparatus and optical recording medium
SG64485A1 (en) Optical recording medium and optical disk apparatus
SG46550A1 (en) Optical disk and information recording/ reproduction apparatus
SG47218A1 (en) Optical recording medium method for recording/reproducing the optical recording medium and apparatus for recording/reproducing the optical recording medium
GB9706205D0 (en) Optical disk recording medium and optical disk drive apparatus
TW453493U (en) Reproducing device of optical disk
TW419103U (en) Reproducing and recording optical pickup compatible for discs having different thicknesses
EP0661701A3 (en) Optical disc recording/reproducing apparatus.
EP0709837A3 (en) Optical disks and recording/reproduction thereof
EP0609024A3 (en) Disc recording and/or reproducing apparatus.
EP0713212A3 (en) Optical information recording and reproducing apparatus
GB2315590B (en) Disc recording and/or reproducing apparatus and optical pickup apparatus
EP0584834A3 (en) Optical disc recording/reproducing apparatus
HK1013504A1 (en) Disc recording and/or reproducing apparatus
SG97894A1 (en) Optical disc recording and reproducing apparatus
GB2277630B (en) Disc recording and/or reproducing apparatus
SG65018A1 (en) Recording and/or reproducing apparatus and recording apparatus
EP0727774A4 (en) Optical disk and recording and/or reproducing apparatus
EP0978830A4 (en) Recording medium and optical pickup device
EP0992994A4 (en) Optical disc recording/reproducing method, optical disc, and optical disc device
SG65676A1 (en) Reproducing or recording device for reproducing or recording on an optical recording medium

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020721