Patents by Inventor Farrokh Khandaghabadi

Farrokh Khandaghabadi 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).

  • Optical port multiplexer for electric metering equipment
    Patent number: 5010335
    Abstract: A single optical port in an electric meter is multiplexed between at least two internal systems by using a multiplexer circuit which has a set of data lines which can be connected to the optical port and to one of the internal systems. The multiplexer is controlled by means of a magnetic reed switch which is mounted within the cover of the meter, so no mechanical changes to the meter cover are required.
    Type: Grant
    Filed: May 21, 1990
    Date of Patent: April 23, 1991
    Assignee: Schlumberger Industries, Inc.
    Inventors: Richard Coppola, Farrokh Khandaghabadi