US 11,750,966 B2
Earphone having a controlled acoustic leak port
Michael B. Howes, San Jose, CA (US); Yacine Azmi, Menlo Park, CA (US); Scott P. Porter, Inglewood, CA (US); Jonathan S. Aase, Rochester, MI (US); Andrew P. Bright, Los Gatos, CA (US); and Christopher R. Wilk, Los Gatos, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Apr. 19, 2022, as Appl. No. 17/724,392.
Application 17/724,392 is a continuation of application No. 16/868,372, filed on May 6, 2020, granted, now 11,317,196.
Application 16/868,372 is a continuation of application No. 16/286,346, filed on Feb. 26, 2019, granted, now 10,694,282, issued on Jun. 23, 2020.
Application 16/286,346 is a continuation of application No. 15/723,079, filed on Oct. 2, 2017, granted, now 10,356,510, issued on Jul. 16, 2019.
Application 15/723,079 is a continuation of application No. 15/339,563, filed on Oct. 31, 2016, granted, now 9,781,506, issued on Oct. 3, 2017.
Application 15/339,563 is a continuation of application No. 14/951,028, filed on Nov. 24, 2015, granted, now 9,510,077, issued on Nov. 29, 2016.
Application 14/951,028 is a continuation of application No. 14/626,806, filed on Feb. 19, 2015, granted, now 9,210,496, issued on Dec. 8, 2015.
Application 14/626,806 is a continuation of application No. 13/528,566, filed on Jun. 20, 2012, granted, now 8,971,561, issued on Mar. 3, 2015.
Prior Publication US 2022/0240004 A1, Jul. 28, 2022
Int. Cl. H04R 1/28 (2006.01); H04R 1/02 (2006.01); H04R 1/10 (2006.01)
CPC H04R 1/2849 (2013.01) [H04R 1/02 (2013.01); H04R 1/1016 (2013.01); H04R 1/1058 (2013.01); H04R 1/1075 (2013.01); H04R 1/2826 (2013.01); H04R 1/2846 (2013.01); H04R 1/023 (2013.01)] 20 Claims
OG exemplary drawing
 
16. An earphone housing comprising:
a cap portion that defines a first chamber coupled to a front face of a driver;
a body portion that defines a second chamber coupled to a back face of the driver;
a first opening formed through the cap portion and open to a surrounding environment
a first port formed through the body portion and open to the surrounding environment; and
an acoustic channel positioned within the body portion and connecting the first port to the second chamber, wherein the acoustic channel is formed by a groove along an exterior surface of a casing positioned within the second chamber and an interior surface of the body portion coupled to the casing.