US Patent Issued to Roland on June 16 for "Amplifier with adjustable characteristic and method for adjusting the characteristic of amplifier" (Japanese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,658,861, issued on June 16, was assigned to Roland Corp. (Shizuoka, Japan).

"Amplifier with adjustable characteristic and method for adjusting the characteristic of amplifier" was invented by Toshiyuki Ochi (Hamamatsu, Japan) and Mitsuo Shida (Hamamatsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An amplifier includes an amplification section for amplifying a musical tone signal input from an electric musical instrument. A speaker is connected to the amplifier. The amplifier includes a storage section storing a characteristic adjustment value which is a value for adjusting an output impedance characteristic or an input impedance characteristic...