Appeal No. 1998-0905
Application 08/284,061
interoperate with the subsystem and with the device so that
the device and the subsystem may interoperate with each other,
the API must be coupled to each and must, operatively at
least, be coupled between them. Chen as discussed above does
not have an API interfaced between the CPU subsystem and the
real-time processing subsystem and does not therefore meet the
limitations of claim 7 nor of any claim which depends
therefrom.
Independent claim 32 requires that the API receive
requests generated by a device handler program and issue such
commands to a real-time engine. The device handler program is
associated with input/output devices and generates requests to
the real-time engine. Units 69, 67, 65, and 63 of Chen are
device drivers associated with input/output devices for
sending and/or receiving data streams over a communication
path. Thus, these drivers constitute device handler programs.
DSP manager 71 which receives commands from these drivers and
issues them to real-time engine 73, as discussed previously,
is not an API, does not include an API, and does not generate
API commands. Thus, Chen does not meet the limitations of
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