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:
Mar. 19, 2024

Filed:

Dec. 23, 2021
Applicant:

Knowles Electronics, Llc, Itasca, IL (US);

Inventors:

Charles King, Oak Park, IL (US);

Christopher Monti, Elgin, IL (US);

Assignee:

KNOWLES ELECTRONICS, LLC, Itasca, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 7/08 (2006.01); H01F 7/126 (2006.01);
U.S. Cl.
CPC ...
H01F 7/081 (2013.01); H01F 7/126 (2013.01); H01F 2007/086 (2013.01);
Abstract

Various embodiments of balanced armature receivers are disclosed, where the receiver includes a yoke which retains permanent magnets, a coil assembly having a coil tunnel, and an armature coupled to the yoke, with a movable portion extending through the coil tunnel and an end portion that is free to deflect between the magnets when an excitation signal is applied to the coil assembly. There are a stationary protrusion which extends from the stationary portion of the receiver toward the movable portion of the armature, and a movable protrusion which extends from the movable portion of the armature toward the stationary portion of the receiver. The stationary and movable protrusions are offset laterally.


Find Patent Forward Citations

Loading…