Patents by Inventor Cosmo H. De Gennaro

Cosmo H. De Gennaro 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).

  • Transformerless bipolar converter
    Patent number: 4419757
    Abstract: A system for generating a drift-free three-level pulse signal from a two-level input signal involves an improvement over prior art in that output transformers are eliminated. This system is compatible with integrated circuit techniques using solid state logic elements in conjunction with a capacitor-resistor combination at the output.
    Type: Grant
    Filed: March 16, 1981
    Date of Patent: December 6, 1983
    Assignee: Bell Telephone Laboratories, Incorporated
    Inventors: Cosmo H. De Gennaro, Neil Hooper