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US 2006/0190956 A1Published application
Optical disc and apparatus for portable applications
AssigneeKoninklijke Philips Electronics N.V.
InventorsMichael Van Der Aa, Hermanus Borg
Life of this patent
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Abstract
The invention relates to an optical disc (35, 36, 37) comprising a magnetic substrate (10, 20, 30) and to an optical recording and/or reproducing apparatus for recording and/or reproducing such an optical disc. By virtue of its magnetic properties, said magnetic substrate is able to clamp the optical disc onto a turntable of said recording and/or reproducing apparatus instead of a hub.
Claims11
An optical disc (35, 36, 37), comprising a magnetic substrate (10, 20, 30).
Dependencies are inferred from the claim text.