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:
Jan. 11, 1994
Filed:
Nov. 26, 1991
Takaaki Mutoh, Hamamatsu, JP;
Toshifumi Kunimoto, Hamamatsu, JP;
Yamaha Corporation, Hamamatsu, JP;
Abstract
An apparatus for controlling a musical tone in an electronic musical instrument which has a plurality of keys and a plurality of tone generation channels, the apparatus includes a detecting device for detecting a depression state of the plurality of keys, a counter for counting number of key which are simultaneously depressed when key depression is detected, an assigning device for assigning predetermined number of the tone generation channels to each of depressed keys so as to substantially stabilize number of entire assigned generation channels, in accordance with a counted value of the counter, a loudspeaker for generating tone signal from the predetermined number of tone generation channels assigned by the assigning device. In the apparatus, even if the number of keys to be depressed is changed, the number of tones to be simultaneously produced is not greatly changed.