Patent ID: 7915510
Filing Date: 2011-03-29
Classification: G10G

Abstract:
1. An amplifier for a musical instrument, the amplifier comprising a tuning device, the tuning device comprising: input means configured to accept an electrical signal; pitch detection means configured to detect the pitch of the electrical signal; manual pitch designation means configured to designate any of the pitches that make up the musical scale as a standard pitch; auto pitch designation means configured to designate as a standard pitch, the pitch from among the pitches that make up the musical scale that is closest to the pitch of the electrical signal; mode selection means configured to select either a manual mode or an auto mode, wherein in the manual mode the standard pitch is designated by the manual pitch designation means, and wherein in the auto mode the standard pitch is designated by the auto pitch designation means; comparison means configured to compare the pitch of the electrical signal and the standard pitch; and display means configured to display the results of the comparison by the comparison means, wherein the display means is further configured such that when the standard pitch is designated by the auto pitch designation means, the standard pitch is not displayed, the amplifier further comprising: