Data distribution system and recording device for use therein
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 17, 2011
Grant Date -
Dec 19, 2002
app pub date -
Dec 5, 2000
filing date -
Dec 6, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A memory card (110) stores access restriction information (AC1) to a license information hold unit (1440) arranged in a TRM area. Access restriction information (AC1) has information for example of a frequency of reproduction allowed and a number of licenses owned. A controller (1420) in reproducing and transferring content initially confirms access restriction information (AC1) and thereafter effects reproduction and transfer and after the reproduction and transfer are effected updates access restriction information (AC1), as required, for storage in a license information hold unit (1440).
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