Patent ID: 6965067
Filing Date: 2005-11-15
Classification: G10G

Abstract:
1. A guitar tuner for tuning each string of a guitar to a specified pitch, comprising: input means for inputting a vibration of the guitar; a waveform shaping circuit for converting a waveform of the inputted vibration into a pulse shape signal; computing means for computing a frequency of the pulse shape signal from the waveform shaping circuit; a memory in which a specified frequency of each string of the guitar is stored; comparison means for comparing the computed frequency from the computing means with the specified frequency stored in the memory; display means for displaying a comparison result from the comparison mean; and attachment position setting means for, when a capotasto is attached to the guitar, setting an attachment position of the capotasto to the guitar tuner to enable a pitch of each string of the guitar to be set to a specified pitch corresponding to the attachment position of the capotasto.