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:
Jun. 24, 1997
Filed:
Jun. 21, 1995
Applicant:
Inventors:
Seiji Okamoto, Hamamatsu, JP;
Katsushi Ishii, Iwata, JP;
Yutaka Washiyama, Hamamatsu, JP;
Sayoko Hirano, Hamamatsu, JP;
Assignee:
Kawai Musical Inst. Mfg. Co., Ltd., Shizuoka-ken, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10H / ; G10H / ;
U.S. Cl.
CPC ...
84623 ; 84627 ; 84633 ; 84DI / ;
Abstract
Ratios of frequencies of frequency components of formant waveform signals are changed, and consonance of frequency components of a musical tone is controlled. Moreover, amplitudes, frequencies or numbers of formants are controlled depending upon the musical factors, making rich the contents for changing the musical tones.