Patents by Inventor Christian Lexcellent

Christian Lexcellent 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).

  • Longitudinally-steerable structure and endoscope comprising said structure
    Patent number: 7918789
    Abstract: The invention relates to a longitudinally-steerable structure, comprising essentially longitudinal actuators made from shape memory alloy, Peltier effect elements with N and P doping and electrical control device. The above is characterized in that the actuators are arranged in pairs in an antagonistic manner, each actuator being connected at the ends thereof with a Peltier effect element with N doping and a Peltier effect element with P doping respectively. The invention further relates to an endoscope comprising at least one such structure.
    Type: Grant
    Filed: January 15, 2004
    Date of Patent: April 5, 2011
    Assignees: Centre National de la Recherche Scientifique, Ecole Nationale Superieure de Mecanique et des Microtechniques
    Inventors: Joel Abadie, Nicolas Chaillet, Christian Lexcellent
  • Longitudinally-steerable structure and endoscope comprising said structure
    Publication number: 20060232669
    Abstract: The invention relates to a longitudinally-steerable structure, comprising essentially longitudinal actuators made from shape memory alloy, Peltier effect elements with N and P doping and electrical control device. The above is characterized in that the actuators are arranged in pairs in an antagonistic manner, each actuator being connected at the ends thereof with a Peltier effect element with N doping and a Peltier effect element with P doping respectively. The invention further relates to an endoscope comprising at least one such structure.
    Type: Application
    Filed: January 15, 2004
    Publication date: October 19, 2006
    Inventors: Joel Abadie, Nicolas Chaillet, Christian Lexcellent