Appeal No. 1999-2252
Application 08/780,790
source device and a sink device which are input/output
devices, and that this reference does not disclose or suggest
a first data path between a memory object and a sink device.
Appellants then contrast this disclosure to their invention,
which requires a first data path linking the source device to
the sink device without going through main memory or a cache
subsystem.
In response to the Examiner's statement that "[t]hese 9
rather slight system call variations would have been obvious
to one skilled in the art," Appellants argue that the cited 10
references do not expressly or implicitly suggest these
aspects of their invention. In addition, Appellants argue
that the Examiner failed to present a convincing line of
reasoning as to why a combination of admitted prior art and
Aichelmann is an obvious improvement of a fast buffer to
transfer data via a first data path, without copying any
portion of the data to main memory.
9Answer, page 4, lines 3-4.
10Brief, pages 6-7.
7
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