Data transmitter, data transmitting method, data receiver, information processor, and information recording medium
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 4, 2000
Grant Date -
N/A
app pub date -
Aug 11, 1997
filing date -
Oct 9, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A data transmitting device capable of performing copyright protection processing, when digital data retrieved from the information recording medium is AV data, which includes: an interface section for receiving information specifying the digital data to be output and the data receiving device and for outputting the digital data via the digital interface; a judgment section for judging whether or not the digital data includes video information; an authentication section for authenticating whether not the data receiving device is a proper data receiving device having a function of converting digital data into video data based on authentication data output from the data receiving device; a data retrieval section for retrieving the specified digital data from an external medium; and a control section for controlling the interface section to output the digital data via the digital interface only when the judgment section judges that the digital data includes video information and the authentication section authenticates that the data receiving device is the proper data receiving device. A data transmitting method, a data receiving device, an information processing apparatus, and an information recording medium are also provided.
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