Assignee
BURGETT INC
US17 patents
Top patents by PatentIndex Score
US5841050ANov 24, 1998
Method and apparatus for optically determining note characteristics from key motion in a keyboard operated musical instrument
BURGETT INC101 citations95
US5237125AAug 17, 1993
Method and apparatus for measuring velocity of key motion in a keyboard operated musical instrument
BURGETT INC21 citations92
US5083491AJan 28, 1992
Method and apparatus for re-creating expression effects on solenoid actuated music producing instruments
BURGETT INC40 citations92
US5524521AJun 11, 1996
Method and apparatus for optically determining note characteristics in a keyboard operated musical instrument
BURGETT INC25 citations90
US5905220AMay 18, 1999
Method and apparatus for sensing pedal motion and actuating pedals in player pianos
BURGETT INC40 citations89
US6712323B1Mar 30, 2004
Recording sensor mounting bracket for acoustic pianos
BURGETT INC24 citations88
US7385131B2Jun 10, 2008
Method and apparatus of music obfuscation to limit unauthorized playback
BURGETT INC8 citations71
US5834669ANov 10, 1998
Method and apparatus for optically determining note characteristics from hammer catchers in a keyboard operated musical instrument
BURGETT INC14 citations71
US6209838B1Apr 3, 2001
Recording sensor mounting rail for keyboard operated musical instruments
BURGETT INC16 citations70
US5756910AMay 26, 1998
Method and apparatus for actuating solenoids in a player piano
BURGETT INC6 citations69
US5546842AAug 20, 1996
Recording sensor mounting rail for keyboard operated musical instrument
BURGETT INC7 citations65
US6153819ANov 28, 2000
Note release control method for solenoid actuated piano actions
BURGETT INC3 citations57
US7638696B2Dec 29, 2009
Reduced friction piano action pins
BURGETT INC0 citations51
US7531736B2May 12, 2009
System and method for adjusting MIDI volume levels based on response to the characteristics of an analog signal
BURGETT INC6 citations46
US7217880B2May 15, 2007
Previous event feedback system for electronic player piano systems
BURGETT INC5 citations46
US6687636B2Feb 3, 2004
Method of estimating solenoid heat accumulation and compensating for solenoid force loss
BURGETT INC5 citations46
US5911169AJun 8, 1999
Recording sensor mounting rail for keyboard operated musical instrument
BURGETT INC3 citations45