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.:

US 8098878 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 17, 2012

Filed:

Jun. 19, 2008
Applicant:

Morten Kjeldsen Andersen, Odder, DK;

Inventor:
Assignee:

Gettop Europe R&D ApS, Herlev, DK;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a miniature electro-acoustic transducer comprising a voice coil comprising an air gap voice coil portion at least partly positioned in an air gap of a magnet assembly, and a second voice coil portion attached to a diaphragm of the miniature transducer. The thickness of the second voice coil portion is 2-5 times larger than the thickness of the first voice coil portion. Moreover, the present invention relates to a voice coil for use in a miniature electro-acoustic transducer.


Find Patent Forward Citations

Andersen, Morten. (2012). Miniature voice coil with integrated coupling coil (U.S. Patent No. 8098878). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8098878

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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