Patents by Inventor Franco Tontini

Franco Tontini 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: 5193119
    Abstract: A multiple loudspeaker includes a housing and a first speaker (a woofer) supported by the housing. The first speaker includes a first diaphragm. A support for supporting a second speaker (a tweeter) is provided, and the tweeter support is supported by the housing. A portion of the support for the tweeter is spaced from the first diaphragm (the woofer diaphragm), and the tweeter is spaced from the woofer diaphragm. The tweeter support can be in the form of a protective grill or in the form of an annular ring. A sponge damper is attached to the spaced portion of the tweeter support. The tweeter includes a second diaphragm (the diaphragm for the tweeter) and a piezoelectric transducer. The tweeter diaphragm is attached to and is supported by the sponge damper. The piezoelectric transducer is attached to and supported by the tweeter diaphragm and is spaced from the woofer diaphragm.
    Type: Grant
    Filed: April 27, 1990
    Date of Patent: March 9, 1993
    Inventors: Franco Tontini, Carlo Sancisi