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US 2009/0327761 A1Published application
Recording medium, attaching kit for attaching encryption key sticker to the recording medium, and recording apparatus and reproducing apparatus for the recording medium
AssigneePioneer Corporation
InventorMasatoshi Adachi
Life of this patent
Estimating the term…
Abstract
A sticker (42) having at least an encryption key (424) previously recorded in an electromagnetically and optically readable state is attached at a prescribed position of a recording medium (100). The recording medium is provided with a recording area (43) for recording data, which includes encryption data encrypted based on at least the encryption key recorded on the sticker, in the electromagnetically and optically readable state.
Claims16
1-15. (canceled)
A recording medium comprising:
- a sticker, which is attached to a predetermined position of said recording medium, having at least an encryption key previously recorded on an electromagnetically and optically readable state;
- and
- a recording area for recording data, which includes encryption data encrypted based on at least the recorded encryption key, in the electromagnetically and optically readable state.
The recording medium according to the claim 15, wherein
- said recording medium has a disk shape,
- said sticker has a ring shape or an arc shape, which is a part of the ring shape,
- a center of a ring of said sticker coincides with a center of said disk-shaped recording medium, and
- an external diameter of the ring of said sticker is less than a radius of said disk-shaped recording medium.
1 more element
Dependencies are inferred from the claim text.