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:
May. 25, 1993
Filed:
Dec. 18, 1991
Wolfgang Ernst, D-7562 Gernsbach, DE;
Norbert Lang, D-7500 Karlsruhe, DE;
Other;
Abstract
The invention relates to an electronic teaching, accompaniment and practice music apparatus which is independent of a played musical instrument. The apparatus includes devices for digital sound production, tempo setting, accompaniment, operation and input of digital note data, which are connected by means of a control unit, which is connected with an electro-acoustical device for acoustical reproduction of the note sequences corresponding to the input piece of music via a digital-analog converter. There is an optical display device which is connected with a piano keyboard or a guitar fingerboard or represents these, for optical display of the note sequences played.