Patents by Inventor Hubert Colombat

Hubert Colombat 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).

  • Pedagogic calculating machine for arithmetic instruction
    Patent number: 4954977
    Abstract: Calculating machine comprising a microprocessor (1) controlling the operations carried out by the machine, a stack (2) of shift registers connected to the microprocessor and intended for the temporary storage of the numbers with which the operations are to be carried out, a read only memory (ROM) (7) containing the programs relating to the functions of the machine, a display controller (5) connected to the microprocessor (1) and to the ROM (7) and a screen (10) for displaying results, characterized in that it furthermore has means for displaying on the display screen (10) of the machine educational information relating to the mathematical rules governing the operation carried out by the machine.
    Type: Grant
    Filed: August 12, 1988
    Date of Patent: September 4, 1990
    Assignee: Texas Instruments Incorporated
    Inventor: Hubert Colombat