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MASS LOADED EARBUD WITH VENT CHAMBER

  • US 20150382100A1
  • Filed: 04/17/2015
  • Published: 12/31/2015
  • Est. Priority Date: 06/27/2014
  • Status: Active Grant
First Claim
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1. An intra-concha earphone, comprising:

  • a housing having a driver therein, the housing including a rear wall behind the driver and a rear space between the driver and the rear wall, wherein the driver is to convert an electrical audio signal into a sound;

    a chamber partition in the rear space, the chamber partition defining a back volume behind the driver, wherein the chamber partition includes an acoustic port and a bass aperture;

    a vent chamber between the chamber partition and the rear wall, wherein the vent chamber is acoustically coupled with the back volume through the acoustic port; and

    a bass duct extending between the bass aperture and the vent chamber, wherein the vent chamber is acoustically coupled with the back volume through the bass duct.

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