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:
Sep. 05, 1989
Filed:
Jan. 17, 1989
Mamoru Kimpara, Hamamatsu, JP;
Yamaha Corporation, Hamamatsu, JP;
Abstract
An electronic musical instrument providing a key area dividing unit and a tone area changing unit divides the whole key area of a keyboard into melody key area and accompaniment key area when a diving mode is designated by a player. A tone area of tone pitch information which is generated from each key area can be arbitrarily determined or changed by a manual operation of player. In addition, several kinds of tone colors are respectively assigned to plural tone color switches so that the player can select any one of the tone colors by operating one of plural tone color switches. Based on the selected tone color and tone pitch information, a musical tone signal can be generated in each key area of keyboard.