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:
Oct. 07, 1980
Filed:
Jun. 20, 1978
Applicant:
Inventors:
George S Klaiber, Tonawanda, NY (US);
Anthony C Ippolito, DeKalb, IL (US);
William R Hoskinson, Geneva, IL (US);
Assignee:
The Wurlitzer Company, DeKalb, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10H / ;
U.S. Cl.
CPC ...
84-122 ; 84-101 ;
Abstract
A plurality of rectangular waves of selected duty cycles and fundamental frequencies are generated. Selected ones of these waveforms are then added at selected amplitude ratios. Such additions provide resultant waveforms of desired fundamental frequencies and having desired harmonic contents or spectra, for simulating the characteristic sounds of acoustical musical instruments.