Appeal No. 1998-0905
Application 08/284,061
Chen includes an application program interface (API). As DSP
manager 71 is coupled between the CPU subsystem (elements 59,
61, 63, 65, 67, and 69) and real-time subsystem 73 of Chen,
the application program interface would also be “coupled
between the subsystem and the realtime signal processing
subsystem.”4
Appellants traverse this rejection by asserting that the
DSP manager 71 of Chen is not an API, and does not include an
API nor does it generate API commands. Instead, Appellants
assert that DSP manager 71 receives API commands and routes
them to the appropriate function.5 Appellants next argue that
the API 61 of Chen is not coupled between the CPU subsystem
and the real-time signal processing subsystem as recited in
the claimed inventions but is instead part of the CPU
arrangement.6
As pointed out by our reviewing court, we must first
determine the scope of the claim. “[T]he name of the game is
4 See pages 4 and 5, 8 and 11 of the answer.
5 See page 9 of the brief.
6 See pages 7 and 8 of the brief.
5
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