US 11,659,312 B2
Earphone with solid body
Valivann Seangly, Portland, OR (US); Ben Loeliger, Portland, OR (US); Kenneth Ball, Portland, OR (US); and Caleb Rosenau, Portland, OR (US)
Assigned to Audiolineout LLC, Portland, OR (US)
Filed by Audiolineout LLC, Portland, OR (US)
Filed on Jun. 29, 2021, as Appl. No. 17/361,815.
Application 17/361,815 is a continuation of application No. 16/532,316, filed on Aug. 5, 2019, abandoned.
Prior Publication US 2022/0417634 A1, Dec. 29, 2022
Int. Cl. H04R 1/10 (2006.01); G06F 30/10 (2020.01); H04R 31/00 (2006.01)
CPC H04R 1/1016 (2013.01) [G06F 30/10 (2020.01); H04R 31/00 (2013.01)] 7 Claims
OG exemplary drawing
 
1. An earphone comprising:
a solid earphone body;
a first mounting recess formed in a second end of the solid earphone body;
a first acoustic driver disposed in the first mounting recess;
at least a first sound bore formed in the solid earphone body and fluidly communicating with the first mounting recess and a first exit port formed at a first end of the solid earphone body, the first end configured to be placed in an ear canal of a user;
a second mounting recess formed in the second end of the solid earphone body;
a second acoustic driver disposed in the second mounting recess;
at least a second sound bore formed in the solid earphone body and fluidly communicating with the second mounting recess and a second exit port formed at the first end of the solid earphone body, wherein the at least a second sound bore is fluidly isolated from the at least a first sound bore;
a third mounting recess formed in the second end of the solid earphone body;
a third acoustic driver disposed in the third mounting recess;
at least a third sound bore formed in the solid earphone body and fluidly communicating with the third mounting recess and a third exit port formed at the first end of the solid earphone body, wherein the at least a third sound bore is fluidly isolated from the at least a first sound bore and the at least a second sound bore;
a pressure relief vent formed in the solid earphone body, the pressure relief vent fluidly isolated from the at least a first sound bore, the at least a second sound bore, and the at least a third sound bore and extending from the second end of the solid earphone body to the first end of the solid earphone body, the pressure relief vent having a first opening to an exterior surface of the first end of the solid earphone body and a second opening to an exterior surface of the second end of the solid earphone body;
a cap, the cap configured to mate with the solid earphone body; and
a vent bore formed in the cap and opening to an exterior surface of the cap, the vent bore configured to fluidly mate with the pressure relief vent of the solid earphone body when the cap is mated to the solid earphone body;
wherein the earphone comprises less than about 25% of unfilled space compared with a total volume of the solid earphone body, the solid earphone body defines an opening to provide access to negative spaces formed in the solid earphone body, the opening being less than about 25% of a total surface area of the solid earphone body.