Jul 2, 2014

Apple Patented Gas-filled Speaker Design

The 8,767,994 patent patent describes a design common to existing "plasma speakers," which use a light gas such as helium behind the speaker's vibrating cone. 

Apple's gas-filled speaker design could allow higher fidelity audio playback
Apple was awarded a patent by the U.S. Patent and Trademark Office today, describing a design for high fidelity speakers making use of lighter than air gas in mobile speakers.