Appeal No. 2002-1241
Application No. 08/883,141
Representative independent claim 1 is reproduced as follows:
1. A dynamic echo canceller system, comprising:
a pool of echo cancellers, each echo canceller
having an input and an output;
a pool switch matrix connected in a telecommunications
systems, the pool switch matrix having a first set of
ports on a first side of the matrix, a second set of
ports on an opposite side of the matrix from the first side,
and a set of echo canceller ports for connection to the
inputs and outputs of the echo cancellers; and
control circuity directing the pool switch matrix to route selected transmissions
between ports of different sets to permit transmission through the pool switch matrix
with or without echo cancellation on an as needed basis.
The examiner relies on the following reference:
Reese et al. (Reese) 5,631,958 May 20, 1997
(filed Oct. 4, 1994)
Claims 1, 2, 4 and 7 stand rejected under 35 U.S.C. §102(e) as anticipated by Reese.
Claims 3, 5, 6 and 8-16 stand rejected under 35 U.S.C. §103 as unpatentable over Reese.
Reference is made to the briefs and answer for the respective positions of appellants and
the examiner.
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