Appeal No. 1999-0166
Application No. 08/656,544
obviousness. Note In re Oetiker, 977 F.2d 1443, 1445, 24
USPQ2d
1443, 1444 (Fed. Cir. 1992).
With respect to independent claims 1 and 9, the Examiner,
as the basis for the obviousness rejection, proposes to modify
the integrated circuit testing system disclosure of
Greenberger. According to the Examiner, Greenberger discloses
several key features of the claimed invention but lacks an
explicit disclosure of the selection between a system clock
signal and a test clock signal for normal operation and test
operation, respectively, as well as program instruction
implementation of the independent selection of the system
clock signal or test clock signal. To address these
deficiencies, the Examiner turns to Ganapathy which describes
a microprocessor circuit for
permitting internal microprocessor clock speed to vary
dependent on a software programed register. In the Examiner’s
view (Answer, page 5):
It would have been obvious to one of ordinary
skill in the art at the time the invention was
made to improve upon the High-Speed integrated
circuit tester as taught by Greenberger by
implementing instructions which independently
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