The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 22, 1980
Filed:
Aug. 17, 1977
Teruo Hiyoshi, Hamamatsu, JP;
Akira Nakada, Hamamatsu, JP;
Shigeru Yamada, Hamamatsu, JP;
Eiichiro Aoki, Hamamatsu, JP;
Eiichi Yamaga, Hamamatsu, JP;
Nippon Gakki Seizo Kabushiki Kaisha, Hamamatsu, JP;
Abstract
An electronic musical instrument comprises an upper keyboard channel, a lower keyboard channel and a pedal keyboard channel. The lower keyboard channel includes a tone gate which is actuated by a chord rhythm pattern pulse generated by an automatic rhythm generator to gate the lower keyboard tones. The pedal keyboard channel includes a root/subordinate tone generator which provide a root tone designated by the depressed pedal key and subordinate tones related to the root tone with predetermined musical intervals, and a tone keyer which is actuated by a bass rhythm pattern pulse generated by the automatic rhythm generator to gate the bass tones.