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.

Date of Patent:
May. 07, 2024

Filed:

May. 27, 2022
Applicant:

Devialet, Paris, FR;

Inventors:

Jean-Loup Afresne, Saint Clément les Places, FR;

Fabrice Marteau, Gif sur Yvette, FR;

Assignee:

DEVIALET, Paris, FR;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04R 9/02 (2006.01); H04R 9/04 (2006.01); H04R 9/06 (2006.01);
U.S. Cl.
CPC ...
H04R 9/025 (2013.01); H04R 9/045 (2013.01); H04R 9/06 (2013.01); H04R 2400/11 (2013.01);
Abstract

The speaker comprises a magnetic circuit. The speaker comprises mobile equipment that is movable relative to the magnetic circuit. The spool holder is mounted movably through air gaps and a guide element of the mobile equipment is arranged between the mobile equipment and a frame, on the side of a membrane relative to the magnetic circuit. The mobile equipment passes all the way through the magnetic circuit through end air gaps. The speaker includes a complementary guide element, arranged between the mobile equipment and the frame, on the side opposite the membrane relative to the magnetic circuit.


Find Patent Forward Citations

Afresne, Jean-Loup. (2024). Speaker driver with two opposite magnets (U.S. Patent No. 11979726). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11979726

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

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