Patents by Inventor Daniel Roques

Daniel Roques 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).

  • Dual-gate FET attenuator controlled by a variable load circuit
    Patent number: 5151669
    Abstract: A dual-gate field effect transistor attenuator wherein a variable active load (1) is applied to the second gate of the dual-gate field effect transistor (T1). The attenuator is particularly suitable for space telecommunications.
    Type: Grant
    Filed: September 21, 1990
    Date of Patent: September 29, 1992
    Assignee: Alcatel Espace
    Inventors: Daniel Roques, Michel Pouysegur, Jean-Louis Cazaux