Memory card handling for enhancing interactive television services
First Claim
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1. An interactive television system comprising:
- means for receiving television signals;
means for receiving data for implementing an interactive television service, the interactive television service data comprising content items;
means for storing the content items, including content version information therefor, on a removable, non-volatile memory; and
means for automatically copying to the removable memory information in an internal memory, so that the removable memory acts as a backup,wherein the system is adapted to download time, date and service version information from a broadcast source, read the content version information of the content items stored on the removable memory to determine whether the content items are expired, and restore the content items from the removable memory to the internal memory if said content items are not expired.
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Abstract
An interactive television system is operable to receive television signals and data for implementing interactive television services. At least some of the interactive television data received is stored on a removable, non-volatile memory, such as a memory card or stick. To allow a user to access services, the system is operable to generate a user interface. Services that are available via information stored on a memory card are marked.
10 Citations
32 Claims
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1. An interactive television system comprising:
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means for receiving television signals; means for receiving data for implementing an interactive television service, the interactive television service data comprising content items; means for storing the content items, including content version information therefor, on a removable, non-volatile memory; and means for automatically copying to the removable memory information in an internal memory, so that the removable memory acts as a backup, wherein the system is adapted to download time, date and service version information from a broadcast source, read the content version information of the content items stored on the removable memory to determine whether the content items are expired, and restore the content items from the removable memory to the internal memory if said content items are not expired. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method for providing interactive television services to a user comprising:
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downloading interactive television service information to a television system, the interactive television service information comprising content items; storing the content items, including content version information therefor, on a removable non-volatile memory device; automatically copying to the removable memory information in an internal memory, so that the removable memory acts as a backup, and using the stored content items to provide interactive services, wherein the system downloads time, date and service version information from a broadcast source, reads the content version information for the content items stored on the removable memory to determine whether the content items are expired, and restores the content items from the removable memory to the internal memory if they are not expired. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification