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:
Jun. 09, 2020
Filed:
Apr. 06, 2018
Alpine Electronics, Inc., Tokyo, JP;
Benny Danovi, Ypsilanti, MI (US);
Alpine Electronics, Inc., Tokyo, JP;
Abstract
A magnetic circuit assembly may be used in a loudspeaker. The magnetic circuit may include a magnet that has a central axis. The magnet can have a first surface and a second surface that is opposite the first surface. The magnet may produce magnetic field axially through the first and second surfaces of the magnet. The second surface of the magnet may have an inner radial region and an outer radial region. The magnetic circuit assembly can further include a yoke that is disposed adjacent the first surface of the magnet. The yoke can be shaped to form a first gap radially between the yoke and the magnet. The magnetic circuit assembly may further include first and second plates disposed adjacent the second surface of the magnet.