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:
Mar. 29, 1994
Filed:
Sep. 24, 1992
Tetsuo Nishimoto, Hamamatsu, JP;
Yasuyoshi Nakajima, Hamamatsu, JP;
Yamaha Corporation, Hamamatsu, JP;
Abstract
The electronic musical instrument has synthesis means operative according to given tone control parameters for effecting a musical tone synthesis to generate a musical tone. Register means is provided for registering first data of a lower class and second data of an upper class in hierarchical data structure so as to constitute the tone control parameters. The first data is effective, at least, to define a timbre of a musical tone to be generated. The second data designates a plurality of the first data, effective to control the musical tone synthesis according to different timbres which are defined by the plurality of the first data. Edit means is provided for revising selectively the registered first data. Display means is provided for selectively indicating the second data which is associated to the first data to be revised in order for management of the hierarchical data structure.