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公开(公告)号：US09633637B1
公开(公告)日：2017-04-25
申请号：US14747761
申请日：2015-06-23
发明人： Eric Hood , Thomas Korber Hall
摘要： A tuning device and method for tuning or verifying the tuning of a string of a stringed instrument is provided. The device includes an electromagnetic pickup physically separate from the stringed instrument. The electromagnetic pickup is a noise cancelling pickup. The electromagnetic pickup ultimately provides an electrical signal indicative of a movement of the string in a magnetic field of the electromagnetic pickup to a processor electronic tuner. Optional features of the electromagnetic pickup increase the effective range of the pickup.
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