Low noise vibrating string transducer
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United States of America Patent
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Sep 12, 2006
Grant Date -
N/A
app pub date -
May 2, 2005
filing date -
May 2, 2005
priority date (Note) -
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Abstract
An apparatus and method for amplifying low amplitude vibrations from stringed instruments, and in particular guitars while reducing Gaussian and 60 Hz hum noise from the signal. In particular, the invention incorporates the use of one or more bipolar magnets in conjunction with high precision differential amplifiers and a power source. The bipolar magnets may be arranged at varying locations on the guitar as long as they are within range to induce an electrical signal in the strings when they are played. The signal is then fed through the amplifier circuitry whereby noise is eliminated and then played through a standard speaker.
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