MICROPHONE ASSEMBLY COMPRISING MAGNETICALLY ACTIVATABLE ELEMENT FOR SIGNAL SWITCHING AND FIELD INDICATION
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United States of America Patent
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app pub date -
Aug 24, 2010
filing date -
Jul 2, 2004
priority date (Note) -
Abandoned
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Importance
Abstract
A microphone assembly comprising a transducer for receiving sound and outputting a corresponding control signal. The assembly also comprises means for detecting a magnetic field and outputting a signal relating to the field. A hearing aid comprising the assembly has a processor receiving the control signal and selecting between the microphone signal and a signal relating to the magnetic field, such as a signal received from a telephone hand set or a telecoil.
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Cited Art Landscape
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