US 12,244,990 B2
Acoustic vent and protective membrane
Thanh P. Hua, San Jose, CA (US); Priyanka Venkatesh, San Francisco, CA (US); Jarrett B. Lagler, San Francisco, CA (US); Jason J. LeBlanc, Oakland, CA (US); and Hanchi Chen, Mountain View, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Sep. 1, 2022, as Appl. No. 17/901,754.
Prior Publication US 2024/0080604 A1, Mar. 7, 2024
Int. Cl. H04R 1/28 (2006.01); H04R 1/10 (2006.01)
CPC H04R 1/1016 (2013.01) [H04R 1/2823 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An in-ear electronic device comprising:
an enclosure that defines an enclosed space surrounding a microphone and an acoustic opening to an ambient environment surrounding the enclosure;
a tortuous acoustic pathway having a first end that opens to the acoustic opening, and the first end and the acoustic opening are wider than a second end that opens to the microphone;
a protective membrane positioned between the second end of the acoustic pathway and the microphone; and
a mesh coupled to the acoustic opening.