Appeal No. 1997-4224
Application No. 08/474,866
the claims require the address translator to have registers
establishing address segments and that control circuitry
connected to the address translator supplies a control signal
“in response to detection that the address at the address
inputs changes from one segment to another segment.”
Notwithstanding the examiner’s contention that Schreiber
discloses such a register establishing segments in line
register 465, it is not clear, from the examiner’s reasoning,
why the storage of X and Y addresses in Schreiber, in order to
specify a single location, is considered to teach or suggest
the claimed registers establishing address segments which,
when it is detected that an address at an address input
changes from one segment to another, cause the supply of a
control signal, as claimed. We find nothing in Schreiber
regarding addresses at the address inputs changing from one
segment to another segment, as required by the instant claims.
Since, in our view, the examiner has failed to set forth
a prima facie case of obviousness through a convincing line of
reasoning, we will not speculate as to the disclosure of the
Schreiber patent and we will not sustain the rejection of
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