Appeal No. 1997-0583
Application 08/368,680
obvious to a person having ordinary skill in the art
at the time the invention was to design the claimed
invention according to Lish’s teachings because the
reference is FIR filter having selected taps [sic]
[answer, pages 2 to 3].
Appellants argue that the master sample and hold circuits
are not mere specific delays. Furthermore, Appellants argue
that claim 1 recites an input signal that is connected to a
master sample and hold circuit whose output is connected to
each of a plurality of [slave] sample and hold circuits
[brief, page 4].
The Examiner, in response, contends that “the amended feature
‘a plurality of slave sample and hold circuits, each of said
plurality of slave sample and hold circuits comprising a first
slave input directly connected to said master output and a
first slave output and ... [for a second predetermined period
of time]’ [(instant claim, lines 8 to 12)] ... is old and well
known in the art, e.g., see recorded reference, Hague ’170,
Figs. 2 and 5, the input x(t) is directly connected to sample
and hold circuits” [answer, pages 4 to 5]. The Examiner also
cites a portion of a book entitled: “Electronic Circuit[s],
Digital and Analog” by Hold [sic, Holt] to allege that master
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