Appeal No. 97-2630
Application 08/186,050
For the foregoing reasons, the rejection of claim 15
cannot be sustained.
Claim 13 depends from claim 1 and specifically requires
three separate power distribution networks for (1) the analog
circuitry, (2) the digital control circuitry, and (3) the
buffers. Additionally, claim 13 requires silicon control
rectifiers to be connected between the power distribution
networks, for sensing when a voltage difference between two
networks exceeds a predefined limit, and for forming a
conductive path between the two networks when the predefined
limit is reached.
At page 5 of the answer, the examiner stated that silicon
control rectifiers are commonly used and cited to Chua. At
page 4 of the answer, the examiner stated that silicon control
rectifiers are commonly used between the internal circuit
portion and pins and cited to Hurst. At page 5 of the answer,
the examiner stated that Fujita teaches separately supplying
power. In discussing the rejection of claim 13, the examiner
stated (answer at page 7):
As can be seen from above demonstration of the
prior art sections, distributing a power or using
SCRs to protect the integrated circuit portions are
no more than one of the most typical or fundamental
11
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