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Multifunction transducer

  • US 7,421,088 B2
  • Filed: 08/28/2003
  • Issued: 09/02/2008
  • Est. Priority Date: 08/28/2003
  • Status: Expired due to Fees
First Claim
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1. A transducer comprising:

  • a mechanical resonator that exhibits a resonance characterized by a quality factor Q and a center frequency f0, wherein the center frequency is located between a first note on a musical scale denoted by f1 and a second note on the musical scale denoted by f2 that is directly adjacent to the first note f1, and f0 and Q have a vibration response of the mechanical resonator at each of the first note f1 and the second note f2 respectively that is at least 6 dB below the maximum vibration response of the mechanical resonator at f0.

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