Patents by Inventor Jeffrey J. Hoefler

Jeffrey J. Hoefler 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).

  • Waveguide electroacoustical transducing
    Patent number: 8615097
    Abstract: A loudspeaker assembly, including an acoustic waveguide; an acoustic driver mounted in the waveguide so that a first surface radiates sound waves into the waveguide so that the sound waves are radiated from the waveguide; and an acoustic volume acoustically coupled to the acoustic waveguide for increasing the amplitude of the sound waves radiated from the acoustic waveguide.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: December 24, 2013
    Assignee: Bose Corportion
    Inventors: Robert Preston Parker, Eric J. Freeman, Jeffrey J. Hoefler
  • WAVEGUIDE ELECTROACOUSTICAL TRANSDUCING
    Publication number: 20130034255
    Abstract: A loudspeaker assembly, including an acoustic waveguide; an acoustic driver mounted in the waveguide so that a first surface radiates sound waves into the waveguide so that the sound waves are radiated from the waveguide; and an acoustic volume acoustically coupled to the acoustic waveguide for increasing the amplitude of the sound waves radiated from the acoustic waveguide.
    Type: Application
    Filed: September 28, 2012
    Publication date: February 7, 2013
    Inventors: Robert Preston Parker, Eric J. Freeman, Jeffrey J. Hoefler
  • Waveguide electroacoustical transducing
    Patent number: 8351629
    Abstract: A loudspeaker assembly, including an acoustic waveguide; an acoustic driver mounted in the waveguide so that a first surface radiates sound waves into the waveguide so that the sound waves are radiated from the waveguide; and an acoustic volume acoustically coupled to the acoustic waveguide for increasing the amplitude of the sound waves radiated from the acoustic waveguide.
    Type: Grant
    Filed: February 21, 2008
    Date of Patent: January 8, 2013
    Inventors: Robert Preston Parker, Eric J. Freeman, Jeffrey J. Hoefler
  • WAVEGUIDE ELECTROACOUSTICAL TRANSDUCING
    Publication number: 20090214066
    Abstract: A loudspeaker assembly, including an acoustic waveguide; an acoustic driver mounted in the waveguide so that a first surface radiates sound waves into the waveguide so that the sound waves are radiated from the waveguide; and an acoustic volume acoustically coupled to the acoustic waveguide for increasing the amplitude of the sound waves radiated from the acoustic waveguide.
    Type: Application
    Filed: February 21, 2008
    Publication date: August 27, 2009
    Applicant: BOSE CORPORATION
    Inventors: Robert Preston Parker, Eric J. Freeman, Jeffrey J. Hoefler