ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,086, issued on Dec. 30, was assigned to Roland Corp. (Shizuoka, Japan).
"Control device, control method, and control system" was invented by Akihiro Takeda (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pedal device receives a connection signal transmitted from headphone to establish first communication that is communication with the headphone. Then, in a case where the first communication has been established, the pedal device transmits the connection signal including information indicating that communication with the headphone has been established. By receiving the connection signal from the pedal device, a portable terminal est...