Patents by Inventor Francois C. Santon

Francois C. Santon 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).

  • Earpiece, telephone handset and headphone intended to correct individual hearing deficiencies
    Patent number: 4764957
    Abstract: An earpiece comprises a suction cup sensor, a preamplifier, a potentiometer for varying the gain of the amplifier, a pass band filter and electronic means enabling the user to adjust the central frequency and/or the width of the pass band of the filter. One application of the invention is the construction of self-contained and individualized telephone handsets or headphones which may be connected without any wire connection on any telephone set.
    Type: Grant
    Filed: August 20, 1985
    Date of Patent: August 16, 1988
    Assignee: Centre National de la Recherche Scientifique-C.N.R.S.
    Inventors: Theophile M. Angelini, Georges Canevet, Marc S. Foti, Francois C. Santon