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Integrated automatic telephone switch

  • US 20030059073A1
  • Filed: 10/31/2002
  • Published: 03/27/2003
  • Est. Priority Date: 09/11/2000
  • Status: Active Grant
First Claim
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1. A method for operating a hearing aid comprising:

  • receiving an acoustic signal having a low frequency component and a high frequency component;

    providing an electrical signal representative of the acoustic signal, the electrical signal having a corresponding low frequency component and a high frequency component; and

    filtering the electrical signal in response to detecting a presence of a magnetic field, wherein the high frequency component of the electrical signal is modified.

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