GB9927092D0 - Optical disc - Google Patents

Optical disc

Info

Publication number
GB9927092D0
GB9927092D0 GB9927092A GB9927092A GB9927092D0 GB 9927092 D0 GB9927092 D0 GB 9927092D0 GB 9927092 A GB9927092 A GB 9927092A GB 9927092 A GB9927092 A GB 9927092A GB 9927092 D0 GB9927092 D0 GB 9927092D0
Authority
GB
United Kingdom
Prior art keywords
optical disc
disc
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.)
Granted
Application number
GB9927092A
Other versions
GB2343784B (en
GB2343784A (en
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.)
LEUNG CHING-YUEN
Original Assignee
LEUNG CHING-YUEN
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 HK98112034A external-priority patent/HK1008469A2/en
Application filed by LEUNG CHING-YUEN filed Critical LEUNG CHING-YUEN
Publication of GB9927092D0 publication Critical patent/GB9927092D0/en
Publication of GB2343784A publication Critical patent/GB2343784A/en
Application granted granted Critical
Publication of GB2343784B publication Critical patent/GB2343784B/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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/24003—Shapes of record carriers other than disc shape
    • G11B7/24012—Optical cards
GB9927092A 1998-11-16 1999-11-16 Irregular optical disc Expired - Fee Related GB2343784B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
HK98112034A HK1008469A2 (en) 1998-11-16 1998-11-16 Non-circular compact disc
US26636499A 1999-03-11 1999-03-11

Publications (3)

Publication Number Publication Date
GB9927092D0 true GB9927092D0 (en) 2000-01-12
GB2343784A GB2343784A (en) 2000-05-17
GB2343784B GB2343784B (en) 2001-08-01

Family

ID=26316740

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9927092A Expired - Fee Related GB2343784B (en) 1998-11-16 1999-11-16 Irregular optical disc

Country Status (1)

Country Link
GB (1) GB2343784B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2349733A (en) * 1999-05-01 2000-11-08 Orcom Ltd Data carrier with detachable data carrying portion
CH691205A5 (en) * 1999-07-09 2001-05-15 Al Askari Raad Drawer for a CD and / or DVD drive.
GB2371400A (en) * 2000-10-07 2002-07-24 Michael Andrew Nicholas Optical disc with non-circular aperture
NL1023962C2 (en) * 2003-07-21 2005-01-24 Fountain Tech Bv Packaging for CD or DVD and assembly of such packaging and a CD or DVD.
GB2404871A (en) * 2003-08-15 2005-02-16 Leonard Storey A puzzle with a CD centrepiece

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462036A (en) * 1982-10-14 1984-07-24 Eastman Kodak Company Optical disc assemblies for optical disc write/read apparatus
NL8400476A (en) * 1984-02-14 1985-09-02 Philips Nv OPTICALLY READABLE MEMORY DRIVE.
CA2208354C (en) * 1995-11-22 2000-05-09 Discart Llc. Method and apparatus for manufacturing compact discs having a non-round outer profile
DE29520805U1 (en) * 1995-12-19 1996-03-07 Wiest Peter P Disc-shaped sound carrier, in particular CD
US5774446A (en) * 1995-12-27 1998-06-30 Borsadia; Suresh Segmented audio and visual compact disks
DE29710282U1 (en) * 1997-06-06 1997-08-14 Cuba Gmbh International Market Entrance ticket

Also Published As

Publication number Publication date
GB2343784B (en) 2001-08-01
GB2343784A (en) 2000-05-17

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Legal Events

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

Effective date: 20031116

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