Patents by Inventor Ferial Benkara

Ferial Benkara 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).

  • Digital resonant filter
    Patent number: 4797846
    Abstract: A band pass digital filter which may be straightforwardly implemented. Considering successive samples I the last of which is N and input samples XI and output samples YI, the filter, in one embodiment, conforms to the expression:Y.sub.N =2.sup.-K+J.(X.sub.N -X.sub.N-2)-C.sub.4.Y.sub.N-1 -Y.sub.N-2 +2.sup.-K.Y.sub.N-2where J and F are integers.
    Type: Grant
    Filed: May 17, 1985
    Date of Patent: January 10, 1989
    Assignee: Enertec
    Inventors: Ferial Benkara, Daniel Campbell
  • Programmable dynamic shift register with variable shift control
    Patent number: 4796225
    Abstract: The invention relates to a shift register structure and its control. The positioning and/or synchronization of data contained in this register for the purpose of serial operation are essentially obtained by acquisition of data on at least one auxiliary output SA1 of this register R. In particular the invention enables a programmable delay buffer register to be produced very simply.
    Type: Grant
    Filed: May 17, 1985
    Date of Patent: January 3, 1989
    Assignee: Enertec
    Inventors: Ferial Benkara, Daniel Campbell