Patents by Inventor Stephane Estrabaud

Stephane Estrabaud 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: 4258622
    Abstract: The invention comes within the field of equipment control. A method of shifting a moving unit from a first position to a second position by means of a stepping motor driven by a finite sequence of pulses, said moving unit being liable to oscillate about its equilibrium point, characterized in that as a function of the period and of the damping factor of the oscillation, the time intervals which separate said pulses are chosen so that the last pulse is applied to the motor at an instant when the oscillation resulting from the set of preceding pulses brings the moving unit substantially to the required final position and reduces its speed substantially to zero. It applies in particular to disc-type printers.
    Type: Grant
    Filed: November 19, 1979
    Date of Patent: March 31, 1981
    Assignee: Compagnie Generale d'Automatisme
    Inventors: Stephane Estrabaud, Gerard Nourigat