Appeal No. 96-0548
Application 08/161,691
a hearing aid circuit including means for amplifying
audio signals;
a battery connected to supply power to said hearing aid
circuit;
alarm means for generating an audio signal in response to
the voltage output of said battery falling below a
predetermined threshold value, said audio signal being
connected for amplification by said means for amplifying, said
audio signal having at least one signal component which
increases audibility as the voltage of said battery decreases.
The examiner’s Answer cites the following prior art:
DeCola et al. (DeCola) 3,550,105 Dec. 22,
1970
Fletcher et al. (Fletcher) 4,049,930 Sep. 20,
1977
Ibsen et al. (Ibsen) 4,086,525 Apr. 25,
1978
Dublirer 4,262,279 Apr. 14,
1981
Iwanaga et al. (Iwanaga) 4,284,944 Aug. 18,
1981
Maas 3,207,412 Sep. 8,
1983
(German Patent)
OPINION
Maas or Fletcher in view of DeCola or Ibsen
All of the pending claims are subject to a rejection
based on Maas or Fletcher in view of DeCola or Ibsen. In
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