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Electromagnetic pickup for stringed musical instruments

  • US 5,530,199 A
  • Filed: 08/22/1995
  • Issued: 06/25/1996
  • Est. Priority Date: 08/22/1995
  • Status: Expired due to Fees
First Claim
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1. An electromagnetic pickup device for a stringed musical instrument comprising:

  • a primary bobbin having an elongated body around which is wrapped a first coil of wire;

    magnetic means for generating a magnetic field around said primary bobbin such that vibrations of said instrument'"'"'s strings causes variations in said magnetic field which are sensed by said primary bobbin and converted into electrical signals for amplification; and

    a secondary bobbin having a body around which is wrapped a second coil of wire, said body being significantly smaller than said elongated body of said primary bobbin, said secondary bobbin positioned in close proximity to said primary bobbin to cancel an audible hum caused by frequencies radiating from surrounding electromagnetic generating sources.

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