Patents by Inventor Alexei Vladimirovich Vinogradov

Alexei Vladimirovich Vinogradov 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).

  • Loudspeaker
    Patent number: 6516072
    Abstract: A module of loudspeaker 1 for high-quality reproduction of music and voice has a direct radiating base electrodynamic driver (EDD) 2 transforming an electric signal to acoustic one at least in the middle-frequency part of the acoustic frequency range and an enclosure cabinet 3 of this driver 2, the cone 5 of which overlaps the mounting hole in the outside surface of this cabinet.
    Type: Grant
    Filed: December 10, 2001
    Date of Patent: February 4, 2003
    Inventors: Alexei Vladimirovich Vinogradov, Alexandr Sergeevich Gaidarov