Patents by Inventor Francis Lacan

Francis Lacan 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).

  • Optical remote control system
    Patent number: 4905309
    Abstract: An emission device includes a first electro optical converter for converting electrical energy from a supply source into optical energy. A second electrical converter is provided to convert the electrical energy into digital information which is converted into digital optical information by a second electro optical converter. A reception device includes two optoelectrical converters connected to the electro optical converters by an optical path, and an electrical power accumulator capable of storing said electric power delivered by said optoelectric converter. The power accumulator is capable of supplying the reception device with electric power.
    Type: Grant
    Filed: August 23, 1988
    Date of Patent: February 27, 1990
    Assignee: Aerospatiale Societe Nationale Industrielle
    Inventors: Jean-Michel Maisonneuve, Francis Lacan, Jean-Paul Domergue