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:
Aug. 23, 1988
Filed:
Sep. 19, 1986
Applicant:
Inventor:
Siegfried Eppinger, Trossingen, DE;
Assignee:
Matth. Hohner AG, Trossingen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10H / ; G10H / ;
U.S. Cl.
CPC ...
84-101 ; 84-11 ; 84-127 ; 3403 / ; 3403 / ;
Abstract
A keyboard circuit for an electronic musical instrument which, with the depression of a key, couples an AC signal to an allocated multiplexer input. The output of the multiplexer is connected via a rectifier and a sample-and-hold circuit to a depression recognizing circuit. The coupling is preferably inductive.
Eppinger, Siegfried. (1988). Electronic keyboard musical instrument with processing of depression (U.S. Patent No. 4765218). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4765218
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile