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.

Date of Patent:
Jan. 15, 1991

Filed:

Nov. 30, 1987
Applicant:
Inventors:

Yoshihiro Inagaki, Hamamatsu, JP;

Hideo Yamamoto, Hamamatsu, JP;

Tetsuo Mishimoto, Hamamatsu, JP;

Assignee:

Yamaha Corporation, Hamamatsu, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10H / ; G10H / ;
U.S. Cl.
CPC ...
84626 ; 84602 ; 84622 ; 84627 ; 84DI / ;
Abstract

Tone forming channels generate tone signals corresponding to tone pitch information assigned thereto with characteristics responsive to tone element control signals supplied thereto. An assignment order setting section selects desired channels and establishes an order of assignment of the selected channels. An assignment section sequentially changes, at each timing of generation of a tone, a channel to which a tone to be generated should be assigned in accordance with the established assignment order. In the channels whose assignment order has been established, tones whose tonal quality are different from one another are formed. A group setting section divides the tone forming channels into plural groups. The assignment section performs, group by group, assignment of a tone to be generated to any of channels in each group. Tones of different tonal quality are formed between different groups.


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Inagaki, Yoshihiro. (1991). Tone signal generation device having a tone element control function (U.S. Patent No. 4984497). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4984497

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