Patent classifications
G
G10
G10F
3/00
G10F3/00
Piano playing machine
A machine that attaches to any piano and pushes its keys and foot pedals in the order of any song. The machine can download songs from a software program and record songs played manually on a piano to replay them.
Piano playing machine
A machine that attaches to any piano and pushes its keys and foot pedals in the order of any song. The machine can download songs from a software program and record songs played manually on a piano to replay them.