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:
Aug. 23, 1994
Filed:
Oct. 07, 1991
Applicant:
Inventor:
Tomoyuki Kumagai, Hamamatsu, JP;
Assignee:
Yamaha Corporation, Hamamatsu, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10H / ; G10H / ;
U.S. Cl.
CPC ...
84609 ; 84649 ;
Abstract
An instrument for playing back musical playing data comprises an performance track and a replacement-performance track in which replacement-performance data with performance data. Usually, only the performance track is in use so that only the performance data is read and supplied to a tone generator. When playback timing touches to the timing that the replacement-performance data is recorded in the replacement-performance track, the performance data at the timing on the performance track is replaced with the replacement-performance data on the replacement-performance track, and the replaced data is supplied to the tone generator to be played back.