System for distributing digital information
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United States of America Patent
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Sep 15, 1998
Grant Date -
N/A
app pub date -
Jun 28, 1996
filing date -
Jun 28, 1996
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A system for distributing digital data among a plurality of customers is provided which comprises a modular software architecture to accommodate different data preview, search, data compression and encryption functions, and different purchase transactions. A software kernel creates an operating environment in conjunction with the host operating system of a customer computer to accommodate these different services and functions and allow for the storage and retrieval of datasets from a variety of storage locations, such as portable storage devices at customer computers and shared memory devices accessible via communication networks. Computer-dependent product codes for requesting datasets and release codes for decrypting datasets are generated to protect against unauthorized use of selected datasets.
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