Patents by Inventor Gareth Millward

Gareth Millward 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).

  • Moving-coil loudspeaker unit
    Patent number: 4680800
    Abstract: The moving coil loudspeaker drive-unit comprises a voice coil (4) wound on a former (3) and having fixed thereto a diaphragm (6) and a rear suspension spider (5). The drive unit of the invention comprises a component part build-ring (7) incorporated with the voice coil former (3) and adapted to interconnect the rear suspension spider (5) with the coil former (3) and to accurately locate it with respect to the voice coil (4). The build-ring (7) is also adapted to connect the diaphragm (6) to the coil former (3) together with the dust dome (8). The build-ring (7) also includes projections (9) to accommodate the electrical voice coil termination arrangements (10).
    Type: Grant
    Filed: April 23, 1985
    Date of Patent: July 14, 1987
    Assignee: Wharfedale Loudspeaker Limited
    Inventors: Graham Bank, Stephen Scaife, Gareth Millward