Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2007-05-29
2009-08-04
Trinh, Sonny (Department: 2618)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S041200, C455S570000
Reexamination Certificate
active
07570974
ABSTRACT:
The present invention relates to a method and apparatus for improving interference suppression processing and control in hearing aids communicating with a mobile station over a short-range wireless network. The hearing aid includes an acoustic echo canceller to suppress acoustic echo from the input audio signals. The mobile station also includes an echo canceller, and may include one or more switching circuits to bypass the echo canceller when the mobile station communicates with the hearing aid via the short-range wireless network. Typically, when the short-range wireless network between the hearing aid and the mobile station is established, the hearing aid and the mobile station negotiate one or more short-range wireless network profiles to determine the properties of the echo cancellers.
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Campitello Robert Anthony
Coston Steven G.
Kaltenbach Matt Andrew
Coats & Bennett P.L.L.C.
Sony Ericsson Mobile Communications AB
Trinh Sonny
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