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US 2007/0183283 A1Published application
Information medium and information recording and reproducing device
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsKiyoshi Tanii, Hiroyuki Yamaguchi, Shoichi Okabayashi
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Abstract
The information medium of the present invention is provided with a lead-in region and a data region in which information signals can be recorded, wherein the lead-in region has a recordable portion in which information signals can be recorded. An identifier I1 specifying a recording speed that can be adopted when recording information signals to the data region is provided in the recordable portion of the lead-in region, increasing the precision with which the recording speed is specified.
Claims3
1-5. (canceled)
An information medium, comprising:
- a lead-in region and a data region in which an information signal can be recorded;
- wherein the lead-in region has a recordable portion that is re-recordable in which information signals can be optically recorded,
- wherein an identifier specifying a recording speed with respect to the data region is provided in the recordable portion of the lead-in region
- wherein the lead-in region further comprises a pit portion in which non-rewritable pits are formed,
- wherein an identifier specifying a recording speed with respect to the data region also is recorded in the pit portion as pits,
- wherein the identifier recorded in the pit portion specifies a plurality of different recording speeds;
- and
- wherein the identifier recorded in the recordable portion of the lead-in region specifies at least one of the plurality of different recording speeds.
5 more elements
7-17. (canceled)
Dependencies are inferred from the claim text.