×

Water resistant acoustic port in ear-mouthed hearing device

  • US 9,636,259 B2
  • Filed: 07/14/2015
  • Issued: 05/02/2017
  • Est. Priority Date: 07/31/2014
  • Status: Active Grant
First Claim
Patent Images

1. A water resistant acoustic port, comprising:

  • a housinga sealed chamber within the housing, the chamber having a volume (VC), andan inlet microtube positioned in the wall of the housing and fluidically connecting the chamber to an environment external to the housing, the inlet microtube having an inlet microtube volume (VI);

    a hydrophobic coating that overlaps at least a portion of walls of the inlet microtube;

    wherein the inlet microtube volume is greater than or equal to the combined volume of VC and VI multiplied by the quantity (1−

    (External pressure in air/External pressure when submerged)).

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×