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Apparatus for generating magnetic field in portable wireless terminal for the hearing impaired

  • US 20060126873A1
  • Filed: 11/01/2005
  • Published: 06/15/2006
  • Est. Priority Date: 12/14/2004
  • Status: Abandoned Application
First Claim
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1. An apparatus for producing a magnetic field in a portable wireless terminal for use by a hearing impaired user, the apparatus comprising:

  • an amplifier for amplifying a voice-band electric signal received from a CODEC to a predetermined level; and

    a coil for converting the amplified electric signal into a magnetic signal.

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