Matches 1 - 7 out of 7


Match Document Document Title
6188004 Apparatus and method for coupling electronically stored musical performances to the tracker bar of an automatic musical instrument  
A system for adapting a tracker bar operated automatic musical instrument to play electronically stored performances includes, in one embodiment family, a channel plate member having parallel...
6166307 Apparatus for automating a stringed instrument  
An automated stringed musical instrument including a device for plucking the strings of the instrument, a device for fretting the strings, and a tension-maintaining linkage for maintaining the...
6049031 Magnetic valve system for a musical instrument  
A magnetic valve uses neodymium magnets to maintain itself in a state, either closed or open. Upon applying electrical signals to a coil, the valve state is changed. In the open state fluid may...
4619177 Musical instrument pneumatic actuator  
A musical instrument pneumatic actuator uses valve seats and a vacuum tube which are integral with one of two plastic main body pieces. An anti-warp brace and curved recessed portion are...
4145947 Electro pneumatic player piano  
The specification discloses a pneumatic player piano which utilizes an electric motor roll drive. The roll drive is actuated by a mechanical switching arrangement which responds to the system...
3711347 METHOD OF SEALING AND LOCKING A FASTENER  
A fastener having an encircling mastic sealing and locking ring around the shank and positioned on or near the head of the fastener for sealing and locking the fastener in an apertured workpiece....
2936666 Player piano  
Matches 1 - 7 out of 7