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:
Feb. 29, 2000
Filed:
Jul. 11, 1996
Applicant:
Inventors:
Yutaka Tohgi, Hamamatsu, JP;
Yoshiko Fukushima, Hamamatsu, JP;
Assignee:
Yamaha Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09B / ; G10H / ;
U.S. Cl.
CPC ...
8447 / ; 84613 ; 84650 ; 84709 ; 84DI / ;
Abstract
A performance data analyzer wherein a plurality of pitch name lines each comprised of essential pitch names characterizing each of plural tonalities are memorized and wherein one of the memorized pitch name lines at least a portion of which is included in an input performance data is extracted and a harmonic tone is extracted from the input performance data so that a tonality of the input performance data is detected on a basis of the extracted pitch name line and the extracted harmonic tone.