Rewritable multilayer disk and information recording/reproducing device
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorShin Asada
Life of this patent
Estimating the term…
Abstract
There is provided a rewritable multilayered disc having a plurality of recording layers. At least one of the plurality of the recording layers has a layer information region for recording layer information which includes recording prohibition information. The recording prohibition information indicates whether or not user data is prohibited from being recorded in a specific recording layer among the plurality of the recording layers.
Claims6
A rewritable multilayered disc having a plurality of recording layers, wherein
- at least one of the plurality of the recording layers has a layer information region for recording layer information which includes recording prohibition information, and
- the recording prohibition information indicates whether or not user data is prohibited from being recorded in a specific recording layer among the plurality of the recording layers.
An information recording/reproducing device for a rewritable multilayered disc including a plurality of recording layers, wherein
- at least one of the plurality of the recording layers has a layer information region in which layer information including a recording prohibition condition indicating whether or not user data is prohibited from being recorded in a specific layer among the plurality of the recording layers is recorded, and
- the information recording/reproducing device includes:
- a layer information reproduction section for reproducing the layer information recorded in the layer information region;
- and
- a write protection section for determining whether or not user data is prohibited from being recorded in the specific recording layer based on the layer information and deciding whether or not the user data should be recorded in the specific recording layer based on the determination result.
Dependencies are inferred from the claim text.