Appeal No. 1997-1874
Application No. 08/134,025
loads/opens and/or closes/unloads different media service
providers, as appropriate when the selection of multicast
channel changes."
The examiner admits (Second Supplemental Answer, page 2)
that Palmer does not explicitly teach this claim limitation.
However, the examiner states that he "believes that this is an
obvious feature of Palmer because for each channel Palmer has
to open up additional providers." We find the reference
unclear as to whether Palmer automatically loads and opens
providers for data streams not in the first multicast channel
but in the second one and closes and unloads providers for
data streams in the first multicast channel but not in the
second one.
The examiner turns to Dinallo for the use of plural media
drivers for driving audio and video media devices "where the
manager automatically selects and invokes the media drivers to
perform the needed function" (see Second Supplemental Answer,
page 5). The examiner concludes (Second Supplemental Answer,
page 5) that it would have been obvious to combine the media
service manager of Dinallo with Palmer to "allow the combined
system to optimize performance of data streaming in multimedia
6
Page: Previous 1 2 3 4 5 6 7 8 9 Next
Last modified: November 3, 2007