ELECTRONIC MUSICAL INSTRUMENTS WITH SMALL TONE GENERATORS ADJACENT KEY SWITCHES
United States Patent 3536819
Inventors:
Kuriyagawa, Mamoru
Kobayashi, Masami
Publication Date:
10/27/1970
Assignee:
TOKYO SHIBAURA ELECTRIC CO
Other Classes:
84/720, 984/344
International Classes:
G10H1/34; G10H1/00; G10H5/12