Appeal No. 2003-1836 Page 11
Application No.10/085,590
controller. For its part, Millet discloses a known technique of mounting a controller to a
refrigeration compressor system. To wit, the latter reference mounts its compressor
protection and control subsystem to the shell of its compressor.
Because Persem invites the use of known techniques for mounting a controller;
and Millet mounts a compressor protection and control subsystem to the shell of a
compressor; we are persuaded that the references would have suggested mounting
Persem's controller to the shell, i.e., the housing, of a compressor. Alternatively, Millet
alone teaches mounting a compressor protection and control subsystem to the shell of
a compressor. Therefore, we affirm the obviousness rejection of claim 20.
3 . Providing a Warning
The examiner finds that in Persem, "col. 10, 11. 60 to 63 . . . state that '[a]fter
checking for faults, the display is updated so that any problems detected will be shown
on the display. Serious faults are also denoted by activating the buzzer 84.'"
(Examiner's Answer at 5.) The appellants argue, "there is nothing in . . . Persem . . .
that would suggest such a warning signal be sent." (Appeal Br. at 7.)
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