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:
Nov. 27, 1990

Filed:

Mar. 21, 1989
Applicant:
Inventor:

Scott A Van Duyne, Somerville, MA (US);

Assignee:

Other;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G10C / ;
U.S. Cl.
CPC ...
8442 / ; 84451 ;
Abstract

A microtonal key module includes a central key and a number of surrounding keys clustered about the central key. The central key and the surrounding keys establish among each other a progression of successive microtonal increments. A plurality of such microtonal key modules are arranged to form a microtonal keyboard system.


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