Appeal No. 1997-2057
Application No. 08/287,670
support of the rejections, and to appellants' Brief (Paper No.
16, filed November 25, 1996) for appellants' arguments
thereagainst.
OPINION
We have carefully considered the claims, the applied
prior art references, and the respective positions articulated
by appellants and the examiner. As a consequence of our
review, we will reverse the obviousness rejections of claims 7
through 9.
The examiner states (Answer, page 4) that "Takada teaches
all the elements of applicant's invention with the exception
of switching the I/O pins off and on, and the power management
function." According to the examiner (Answer, page 4), Takada
discloses in Figure 3 an internal functional circuit 2'-1 and
a variable power source means composed of internal voltage
generator 4 and bypass switch circuit Q2. The variable power
source passes power from an external power supply 11 to the
functional circuit. The variable power source passes two
different voltages depending on the value of external control
signal ØC. The examiner asserts (Answer, pages 4-5) that
Bolan teaches using I/O pin isolation to prevent electrical
leakage and substrate pumping when a low or non-powered
5
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