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:
Sep. 11, 2007
Filed:
Aug. 04, 2003
Applicant:
David J Carpenter, Chicago, IL (US);
Inventor:
David J Carpenter, Chicago, IL (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10G 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods for assisting a technician in tuning a musical instrument exhibiting inharmonicity, such as a piano. If one aspect, a plurality of target frequencies are calculated using a table of preferred stretch values. In another aspect, target frequencies are calculated from multiple inharmonicity measurements during the time a tone generator is sounding.