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:
Apr. 25, 2006
Filed:
May. 02, 2003
Applicants:
Steven W. Hutt, Bloomington, IN (US);
David B. Garner, Indianapolis, IN (US);
John F. Steere, Martinsville, IN (US);
Inventors:
Steven W. Hutt, Bloomington, IN (US);
David B. Garner, Indianapolis, IN (US);
John F. Steere, Martinsville, IN (US);
Assignee:
Harman International Industries, Incorporated, Northridge, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In an electro-dynamic loudspeaker, vent holes are optimized to provide improved the magnetic flux characteristics while maintaining sufficient ventilation. In addition, ported and unported enclosures may be utilized with the electro-dynamic loudspeakers to enhance low frequency performance.
Hutt, Steven. (2006). Frequency response enhancements for electro-dynamic loudspeakers (U.S. Patent No. 7035425). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7035425
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile