US 11,729,556 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 Dec. 27, 2020, as Appl. No. 17/134,436.
Claims priority of provisional application 62/955,179, filed on Dec. 30, 2019.
Prior Publication US 2021/0204064 A1, Jul. 1, 2021
Int. Cl. H04R 9/06 (2006.01); H04R 9/04 (2006.01); H04R 11/02 (2006.01); H04R 1/02 (2006.01); H04R 3/12 (2006.01)
CPC H04R 9/046 (2013.01) [H04R 1/025 (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)] 11 Claims
OG exemplary drawing
 
1. A bobbin comprising:
at least a first flange, a second flange, and a third flange;
a first coil disposed about a first portion of the bobbin between the first flange and the second flange, the first coil having a first end and a second end; and
a second coil, separate from the first coil, disposed about a second portion of the bobbin between the second flange and the third flange, the second coil having a third end and a fourth end.