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. 10, 1985
Filed:
Apr. 24, 1984
Sadaaki Ezawa, Iwata, JP;
Abstract
An electronic musical instrument which employs frequency numbers and is capable of producing a natural and expressive effect such as vibrato or the like with a simple structure. The electronic musical instrument is provided with a frequency number memory for storing a frequency number corresponding to the note of each key and a frequency number for modulation prepared for each key corresponding to frequency modulated data, a frequency modulated data generating units for selectively generating glide data and vibrato data, and an key assignor for generating key depression information and keyboard information. The key depression information being used to address a high-order address of the frequency number memory and the low-order address of the frequency number memory by being addressed frequency modulated data available from the frequency modulated data generating units.