Method and apparatus for detecting cellular telephones for hearing assistance devices
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United States of America Patent
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Oct 13, 2015
Grant Date -
Jul 17, 2014
app pub date -
Sep 10, 2013
filing date -
May 8, 2009
priority date (Note) -
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Abstract
The present subject matter relates generally to methods and apparatus for detecting cellular telephones using hearing assistance devices. In an embodiment, a hearing assistance device includes a processor and a radio frequency transceiver connected to the processor. A detection circuit is connected to the processor, the detection circuit including a band pass filter and where the detection circuit is adapted to monitor a radio frequency signal to detect a cellular telephone in proximity to the hearing assistance device based on the monitored signal. The hearing assistance device includes an acoustic input, a magnetic input, and a switch for selecting between the acoustic input and the magnetic input. The processor is adapted to actuate the switch from the acoustic input to the magnetic input when a cellular telephone is detected in proximity to the hearing assistance device.
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