Patents by Inventor Subramanian LALGUDI

Subramanian LALGUDI 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).

  • System and method for testing causality of tabulated S-parameters
    Patent number: 9514097
    Abstract: A system. The system includes a computing device having a processor, and a causality checker module communicably connected to the processor. The causality checker module is configured to utilize a rational function approximation to a frequency response to determine if a transfer function of a linear time invariant system is causal.
    Type: Grant
    Filed: May 22, 2013
    Date of Patent: December 6, 2016
    Assignee: SAS IP, Inc.
    Inventors: Subramanian Lalgudi, Saeed Asgari
  • System and Method for Testing Causality of Tabulated S-Parameters
    Publication number: 20130325420
    Abstract: A system. The system includes a computing device having a processor, and a causality checker module communicably connected to the processor. The causality checker module is configured to utilize a rational function approximation to a frequency response to determine if a transfer function of a linear time invariant system is causal.
    Type: Application
    Filed: May 22, 2013
    Publication date: December 5, 2013
    Applicant: SAS IP
    Inventors: Subramanian LALGUDI, Saeed Asgari