Inventor
WILLIAMS ANTHONY G
US4 patents
Patents
4 patentsUS5231283AJul 27, 1993
Opto-electronic sensing method and device for an acoustic piano
GULBRANSEN INC30 citations90
US5001339AMar 19, 1991
Opto-electronic sensing method and device for an acoustic piano
GULBRANSEN INC37 citations90
US4969385ANov 13, 1990
Reassignment of digital oscillators according to amplitude
GULBRANSEN INC15 citations71
US4941387AJul 17, 1990
Method and apparatus for intelligent chord accompaniment
GULBRANSEN INC14 citations71