Patents by Inventor Alexander Rufus-Isaacs

Alexander Rufus-Isaacs 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).

  • Patent number: 5060079
    Abstract: An arrangement for limiting the time an authorized viewer may view a television program on a television receiver including apparatus for sensing a value stored in a transportable magnetic medium, apparatus operating in response to the sensing of a value by the apparatus for sensing a value stored in a transportable magnetic medium for providing a signal indicative of the time remaining to the authorized viewer, apparatus responsive to an indication that time remains to the viewer to enable the transmission of television signals to a television receiver, and apparatus for reducing the signal indicating the time remaining to the viewer with the passage of time.
    Type: Grant
    Filed: March 30, 1990
    Date of Patent: October 22, 1991
    Inventor: Alexander Rufus-Isaacs