Patents by Inventor Matthew SPANDL

Matthew SPANDL has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Coaxial loudspeaker apparatus
    Patent number: 9967652
    Abstract: A coaxial loudspeaker apparatus (10) comprising a first unit (20) being arranged to propagate sound in a first frequency range; a second unit comprising a first waveguide (30) arranged to propagate sound in a second frequency range that is higher than the first frequency range, and a second waveguide (60) arranged to move, during operation, relative to the first waveguide (30); wherein the second waveguide (60) extends substantially in prolongation of the first waveguide (30). The invention also extends to a loudspeaker (190) incorporating the coaxial loudspeaker apparatus (10).
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: May 8, 2018
    Assignee: Martin Audio Limited
    Inventors: Jason Baird, Philip Anthony, Matthew Spandl
  • COAXIAL LOUDSPEAKER APPARATUS
    Publication number: 20170048610
    Abstract: A coaxial loudspeaker apparatus (10) comprising a first unit (20) being arranged to propagate sound in a first frequency range; a second unit comprising a first waveguide (30) arranged to propagate sound in a second frequency range that is higher than the first frequency range, and a second waveguide (60) arranged to move, during operation, relative to the first waveguide (30); wherein the second waveguide (60) extends substantially in prolongation of the first waveguide (30). The invention also extends to a loudspeaker (190) incorporating the coaxial loudspeaker apparatus (10).
    Type: Application
    Filed: April 23, 2015
    Publication date: February 16, 2017
    Applicant: Martin Audio Limited
    Inventors: Jason BAIRD, Philip ANTHONY, Matthew SPANDL