US 12,081,958 B2
Coil with different windings
Yahui Zhang, Schaumburg, IL (US); Shehab Albahri, Hanover Park, IL (US); Richard Scheleski, Naperville, IL (US); Thomas Miller, Arlington Heights, IL (US); and Charles King, Oak Park, IL (US)
Assigned to KNOWLES ELECTRONICS, LLC, Itasca, IL (US)
Filed by KNOWLES ELECTRONICS, LLC, Itasca, IL (US)
Filed on Jul. 10, 2023, as Appl. No. 18/349,416.
Application 18/349,416 is a division of application No. 17/134,436, filed on Dec. 27, 2020, granted, now 11,729,556.
Claims priority of provisional application 62/955,179, filed on Dec. 30, 2019.
Prior Publication US 2023/0353945 A1, Nov. 2, 2023
Int. Cl. H04R 11/02 (2006.01); H04R 1/02 (2006.01); H04R 3/08 (2006.01); H04R 3/12 (2006.01); H04R 9/04 (2006.01); H04R 9/06 (2006.01)
CPC H04R 9/046 (2013.01) [H04R 1/025 (2013.01); H04R 3/08 (2013.01); H04R 3/12 (2013.01); H04R 9/06 (2013.01); H04R 9/063 (2013.01); H04R 11/02 (2013.01); H04R 2209/041 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An acoustic receiver comprising:
a housing;
a diaphragm disposed in the housing and at least partially defining a front volume and a back volume, the front volume acoustically coupled to an acoustic output of the receiver;
an armature linked to the diaphragm;
a first coil disposed about a portion of the armature;
a second coil disposed about a portion of the armature; and
a terminal board mounted on the first coil or the second coil, the terminal board having electrical contacts, each contact electrically coupled to a corresponding end of the first coil or the second coil.