Patents by Inventor Michel Legros

Michel Legros 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).

  • Telephone set-computer terminal assembly with a single decimal keyboard and a switchable local power supply
    Patent number: 4591662
    Abstract: A telephone set-computer terminal assembly is provided having a single decimal keyboard and a switchable local supply. The telephone interface, connected to the decimal keyboard, is supplied by its line input through a switching relay which connects it at one time to a local power supply of the man-machine interface equipment and at another to the line through a switch depending on whether the line is unlooped or not. The telephone interface is connected to the man-machine interface equipment by message communication lines comprising a galvanic insulation device.
    Type: Grant
    Filed: June 22, 1984
    Date of Patent: May 27, 1986
    Assignee: Horlogerie Photographique Francaise
    Inventors: Michel Legros, Jean Montenot