Patent ID: 9351066
Filing Date: 2016-05-24
CPC Classification: H04R

Claim Text:
1. A speaker comprising: a device that converts electronic signals to audible sound; and a chamber attached to the device, the chamber geometrically configured to control acoustical qualities of the audible sound, the chamber further configured structurally to perform at least one of selectively expanding and selectively collapsing, wherein the chamber in a selectively expanded state provides an enclosed volume that enhances acoustic qualities of the audible sound, wherein the enclosed volume is defined by walls of the chamber in the selectively expanded state, the walls providing a bulb-like shape having a continuously curved surface, and the walls being formed of a plurality of portions, each of adjacent portions of the plurality having non-stepped transitions between the adjacent portions, and each of the adjacent portions collectively forming the continuously curved surface and the bulb-like shape of the chamber walls.