Solenoid-hammer control system for the re-creation of expression

Speed governor for music box

Speed governor for music box

Speed governor for music box or the like

Spring operated record player organ

Striker solenoid assembly for player and reproducing pianos

String-striking device for piano

String-striking device of piano

Stringed instrument wireless communication device and method...

Structure of a magnet coupled type white glass ball transmission

Structure of an operative part of a rotating member

Structure of crystalline ball with rotary type

Structure of music box

Structure of spring driving musical movement

System and method for driving actuators in a reproducing piano

System for encoding of bass and treble expression effects while

Toy musical instrument

Toy musical vehicle

Transmission device to provide reciprocating and returning motio

Transmission mechanism for music box display devices