Appeal No. 2004-2185
Application 08/855,245
either for a point-to-point situation or a multicast
situation.
These teachings appear to us to indicate to the artisan that
the user is able to feed (back) to the server information as to
the nature and extent of the scaled data stream the user wants to
receive. Implicit within these teachings is the ability of the
users to, at any time, select the scaled data stream requirements
they are willing to pay for. This can be done in real-time.
Thus, the entire data stream is selectable by user on a real-time
basis such as to either prune/eliminate or grow/add, in the
context of the disclosed and claimed invention. In the dependent
claims noted earlier, the nature and extent of the totality of
the scaled data stream is not only received by the encoders but
is also sent by the server to the particular clients. Because
Chaddha clearly teaches of the particular base layer and at least
two enhancement layers, this implicitly means that the user is
able to select and feedback the choice to the server which of the
base layers, first and second enhancement layers, if any, the
user desires to select or pay for.
This concept of user feedback to a server is more explicit
in the discussion in the paragraph bridging columns 12 and 13
which we reproduce here:
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