Patents by Inventor Xavier POPON

Xavier POPON 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).

  • Emitter with M-PAM modulation for wireless optical communication system
    Patent number: 10498455
    Abstract: This invention relates to an emitter for an optical communication system such as a Li-Fi system. This emitter comprises an M-PAM modulator and a conversion module to convert an M-PAM symbol into a plurality of logical outputs. It also comprises a plurality of branches in parallel, each branch comprising a switched current source mounted in series with the optical source, each switched current source being controlled by a logical output from the conversion module.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: December 3, 2019
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Luc Maret, Marc Laugeois, Xavier Popon
  • EMITTER WITH M-PAM MODULATION FOR WIRELESS OPTICAL COMMUNICATION SYSTEM
    Publication number: 20180359034
    Abstract: This invention relates to an emitter for an optical communication system such as a Li-Fi system. This emitter comprises an M-PAM modulator and a conversion module to convert an M-PAM symbol into a plurality of logical outputs. It also comprises a plurality of branches in parallel, each branch comprising a switched current source mounted in series with the optical source, each switched current source being controlled by a logical output from the conversion module.
    Type: Application
    Filed: June 12, 2018
    Publication date: December 13, 2018
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Luc MARET, Marc LAUGEOIS, Xavier POPON