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:
Oct. 27, 1992
Filed:
Apr. 16, 1991
Applicant:
Inventor:
Akio Iba, Tokorozawa, JP;
Assignee:
Casio Computer Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10H / ; H02M / ;
U.S. Cl.
CPC ...
84619 ; 84657 ; 84613 ; 84637 ; 84605 ;
Abstract
This invention realizes a musical instrument, automatically transposing the pitches of the sounds reproduced from the musical instruments played by a performer, based on the pitch changes of the reproduced sounds caused by the changes in the reproduction speeds of audio equipment. Thus, this invention enables a performer to play an electronic musical instrument at a desired speed without having to retune it, when performer play musical instrument accompanying music sound reproduced by audio equipment.