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US 2003/0117936 A1Published application
Hybrid disc architecture
AssigneeEastman Kodak Company
InventorsJoseph J. Wrobel, Bruce Ha
Life of this patent
Estimating the term…
Abstract
A hybrid disc including a ROM prerecorded portion and a recordable information portion located closer to the axis of rotation of the disc than the ROM portion.
Claims7
A hybrid disc, comprising:
- a) a ROM prerecorded portion;
- and
- b) a recordable portion located within the program area closer to the axis of rotation of the disc than the ROM portion.
A method of making a hybrid disc master, comprising the steps of:
- a) providing a disc having a first recorded portion which will correspond to a ROM portion and a second recorded portion located within the program area closer to the axis of rotation of the disc than the first recorded portion which will correspond to a recordable portion;
- b) reading the first and second portions;
- c) programming the first and second portions;
- and
- d) forming a disc master which has a ROM prerecorded portion and a recordable portion within the program area located closer to the axis of rotation of the disc than the ROM portion.
2 more elements
Dependencies are inferred from the claim text.