Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate
2005-04-12
2005-04-12
Le, Huyen (Department: 2643)
Electrical audio signal processing systems and devices
Hearing aids, electrical
Specified casing or housing
C181S130000, C181S135000, C381S326000, C381S330000, C381S312000
Reexamination Certificate
active
06879698
ABSTRACT:
The present invention discloses a method and apparatus for hands free communication using a PDA. The method includes sensing a bone conduction signal from the bone conduction sensor disposed within an external auditory cannel of the user, transmitting the sensed bone conduction signal from a transmitter to a PDA, and processing the sensed bone conduction signal at the PDA to create a processed audio signal.
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Article entitled “5th International Conference on Wearable Computing,” by Rick Johnson, Pen Computing Magazine, p. 24, Aug. 2000.
Harvey Dionne
Le Huyen
McKee Voorhees & Sease, P.L.C.
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