Patents by Inventor Rodolphe André Krawczyk

Rodolphe André Krawczyk 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).

  • Retractable device, of the light shield type, for an optical instrument such as a space telescope
    Patent number: 6199988
    Abstract: A retractable device (20), of a light shield type, is mounted on an optical instrument (10), such as a space telescope. The device comprises rods (22, 24) articulated about the optical instrument (10), within planes containing its axis (12), and a flexible and opaque covering (26), carried by these rods (22, 24). Motor units such as torsion springs integrated into the articulation devices (28, 30) of the rods allow the device (20) to be changed from a retracted configuration into an active configuration.
    Type: Grant
    Filed: March 25, 1999
    Date of Patent: March 13, 2001
    Assignee: Alcatel
    Inventor: Rodolphe André Krawczyk