Patents Assigned to CARDAS AUDIO LTD.
  • Earphone system
    Patent number: 9288565
    Abstract: An earphone system comprising an ear canal portion with an interior surface having a logarithmic spiral taper shape, a base portion, and a speaker, wherein the ear canal portion and the base portion detachably engage to hold the speaker between and within the ear canal portion and the base portion. In some embodiments, the logarithmic spiral taper shape may further be a golden spiral taper shape, a Fibonacci spiral taper shape, or a cochleal taper shape.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: March 15, 2016
    Assignee: CARDAS AUDIO LTD.
    Inventor: George Cardas