Patents by Inventor Eric Fricker

Eric Fricker 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).

  • Patent number: 4704729
    Abstract: The single acoustic box with spatial effect for stereophonic musical reproduction systems, according to the invention, consists of an outer shell having at the top a loudspeaker for low-frequency sounds and on the lateral walls at least two loudspeakers for medium- and high-frequency sounds, positioned opposite to each other, and is equipped with a separating circuit having two inputs connectable to an amplifier of a stereophonic musical reproduction system and several outputs for low-frequency signals, unified and connected to the loudspeaker for low-frequency sounds and for high-frequency signals, divided between the two stereophonic reproduction channels, connected to two or more loudspeakers for medium - and high frequencies.The spatial effect is perceived by the listener due to the multiple reflections of the acoustic waves against the walls of the installation site.
    Type: Grant
    Filed: November 27, 1985
    Date of Patent: November 3, 1987
    Assignee: Fricker France
    Inventors: Angelo Franzini, Eric Fricker
  • Patent number: D311539
    Type: Grant
    Filed: April 2, 1986
    Date of Patent: October 23, 1990
    Inventors: Angelo Franzini, Eric Fricker