Patents by Inventor Simon Barakai

Simon Barakai 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 for controlling the use of portable data media
    Patent number: 5103079
    Abstract: The invention relates to making use of a "black" list in a system where goods or services are provided in response to a memory card being presented. The complete "black" list is stored in the memory (46) of a computer center (40). The identification numbers of the cards are subdivided into a plurality of classes. The memory (28) of each local terminal (10) stores the ranks of classes having at least one identification number on the "black" list.
    Type: Grant
    Filed: June 27, 1989
    Date of Patent: April 7, 1992
    Assignee: Schlumberger Industries
    Inventors: Simon Barakai, Christian Guion