Patents by Inventor Derrick Pierce

Derrick Pierce 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).

  • Method of assembling a loudspeaker
    Patent number: 10863257
    Abstract: A method of assembling a loudspeaker may include resiliently coupling a voice coil assembly to a transducer basket, the voice coil assembly including a voice coil and first and second lead wires having corresponding proximal and distal ends, where the proximal ends of the lead wires are attached to the voice coil. The method also includes forming a first segment of the first lead wire into a first shape, and forming a second segment of the second lead wire into a second shape. The method also includes affixing an intermediate portion of the first lead wire to a first location on the transducer basket, and affixing an intermediate portion of the second lead wire to a second location on the transducer basket. The method also includes conductively coupling the distal ends of the first and second lead wires to a harness configured to directly connect to an amplifier board.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: December 8, 2020
    Assignee: Sonos, Inc.
    Inventors: Derrick Pierce, Petr Stolz, Charles LaColla
  • Transducer assembly
    Patent number: 10560793
    Abstract: A diaphragm for a loudspeaker may include a conductive coupler, a voice coil having a voice coil lead, where the voice coil lead is positioned in conductive contact with the conductive coupler, and a terminal lead, where the terminal lead is positioned in conductive contact with the conductive coupler, and where the voice coil lead and the terminal lead are attached to the conductive coupler.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: February 11, 2020
    Assignee: Sonos, Inc.
    Inventors: Richard Warren Little, Daniel Liu, Derrick Pierce, Ernie Latham-Brown
  • Transducer Assembly
    Publication number: 20180227689
    Abstract: A diaphragm for a loudspeaker may include a conductive coupler, a voice coil having a voice coil lead, where the voice coil lead is positioned in conductive contact with the conductive coupler, and a terminal lead, where the terminal lead is positioned in conductive contact with the conductive coupler, and where the voice coil lead and the terminal lead are attached to the conductive coupler.
    Type: Application
    Filed: April 9, 2018
    Publication date: August 9, 2018
    Inventors: Richard Warren Little, Daniel Liu, Derrick Pierce, Ernie Latham-Brown
  • Transducer assembly
    Patent number: 9942680
    Abstract: A diaphragm for a loudspeaker may include a conductive coupler, a voice coil having a voice coil lead, where the voice coil lead is positioned in conductive contact with the conductive coupler, and a terminal lead, where the terminal lead is positioned in conductive contact with the conductive coupler, and where the voice coil lead and the terminal lead are attached to the conductive coupler.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: April 10, 2018
    Assignee: Sonos, Inc.
    Inventors: Richard Warren Little, Daniel Liu, Derrick Pierce, Ernie Latham-Brown