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US 6,643,237 B2Granted
Method and apparatus for the authentication of encoded data
AssigneeEastman Kodak Company
InventorsThomas M. Stephany, Robert C. Bryant
Life of this patent
Estimating the term…
Abstract
A data recording element includes a data recording medium and a recording medium support; data recorded on the data recording medium; and c) a unique ID corresponding to the data on the recording medium, recorded on the recording medium support.
Claims18
A data recording element, comprising:
- a) a data recording medium and a recording medium support;
- b) data recorded on the data recording medium;
- and
- c) a unique ID, corresponding to the data on the recording medium, recorded on the recording medium support, wherein the unique ID is recorded in invisible ink.
1 more element
A system for preventing the reading of data from a counterfeit recording, comprising:
- a) a data recording element, including:
- i) a data recording medium and a recording medium support;
- ii) data recorded on the data recording medium;
- and
- iii) a unique ID, corresponding to the data on the recording medium, recorded on the recording medium support, wherein the unique ID is recorded in invisible ink;
- and
- b) a data reader for reading data from the data recording element, the data reader including:
- i) a first reading device for reading the data on the recording medium;
- ii) a second reading device for reading the unique ID recorded on the recording medium support;
- and
- iii) logic and control means for comparing the data read from the data recording medium and the unique ID and allowing output of the data only if the unique ID corresponds to the data read from the data recording medium.
8 more elements
Dependencies are inferred from the claim text.