Patents by Inventor Philippe Matherat

Philippe Matherat 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).

  • Vector generator for a graphic console
    Patent number: 4311998
    Abstract: A vector generator for producing graphic images composed of line segments, having a discrete frequency multiplier 60 which comprises initializing means, stopping means and means for punctuating the drawing of the segments; input means for the M and N components of the segment, and a writing pointer 50 in an image memory 20.The invention may be used in graphic consoles and X, Y-plotters.
    Type: Grant
    Filed: May 16, 1979
    Date of Patent: January 19, 1982
    Assignee: Thomson-CSF
    Inventor: Philippe Matherat
  • Symbol generator for a graphic console
    Patent number: 4297694
    Abstract: A symbol generator for drawing alphanumeric characters and simple geometric figures by a dot method. According to the invention, the format and the size of the symbols may be modified.The generator 60 operates under the control of a data bus MPDB and includes: a writing unit 61 comprising counters 62 and 63 and a logic writing means 64; a read-only character memory (ROM) 65 and a writing pointer 66 comprising two registers 67 and 68.A symbol generator according to the invention may be used in the field of graphic terminals and printers.
    Type: Grant
    Filed: May 16, 1979
    Date of Patent: October 27, 1981
    Assignee: Thomson-CSF
    Inventor: Philippe Matherat
  • Signal generator for a graphic console
    Patent number: 4286264
    Abstract: A signal generator (20) for a graphic TV console equipped with an image memory (30); the generator generates a signal SYNC for synchronizing the TV scan, reading address signals for the image memory and timing signals for controlling an external graphic unit.The generator includes a clock (21); a synchronous counter (22 and 23), logic means (24 and 25) enabling the signal SYNC and the luminance test signals to be generated, and a multiplexer (26) for multiplexing the read and write address signals associated with the image memory.The invention may advantageously be used in information display systems, electronic games, etc.
    Type: Grant
    Filed: May 16, 1979
    Date of Patent: August 25, 1981
    Assignee: Thomson-CSF
    Inventor: Philippe Matherat
  • Processor for a graphic terminal
    Patent number: 4266253
    Abstract: A digital processor for producing and displaying a graphic image on a CRT screen designed for TV frame scanning. It comprises on a single microchip of a semi-conductor substrate the following principal elements: a vector generator A, a symbol generator B, a control unit I, a writing pointer and address multiplexers, and the following auxiliary elements: a register for reading a light pen, command registers, control registers and data-storage registers, etc.
    Type: Grant
    Filed: May 16, 1979
    Date of Patent: May 5, 1981
    Assignee: Thomson-CSF
    Inventor: Philippe Matherat