Appeal No. 1996-1891
Application 08/058,478
vibratile surface is substantially filled with the damping
material. As explained above, we are the opinion that it
would have been prima facie obvious to locate Taddeo's damping
material in a region of Bose's waveguide which begins near the
transducer, which will satisfy this claim. For the same
reason, we are affirming the rejection of claim 6, which
specifies that a volume
of the waveguide nearest the vibratile surface is
substantially filled with the damping material.
Claim 5 specifies that the last of the waveguide portions
is separated from a first group of the waveguide portions by a
second group of waveguide portions formed by waveguide walls
generally perpendicular to the vibratile surface. The
examiner describes Bose as disclosing
an acoustic waveguide having a last portion (the
portion containing walls 12 and 27) of the waveguide
portions . . . separated from a first of the
waveguide portions (the portion bounded by walls 21,
24, 23 and 15) by a second group of the waveguide
portions (the areas 16 and 17 [sic, the waveguide 4
portion bounded by walls 24 and 25 and the waveguide
portion bounded by walls 25 and 26]) formed by the
4As noted supra, numerals 16 and 17 refer to the front
and rear panels, respectively.
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