Patents by Inventor Daniel Heyden

Daniel Heyden 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).

  • DEVICE FOR MONITORING TRANSMISSION ANTENNAE OF ELECTROMAGNETIC DETECTION SYSTEMS
    Publication number: 20080119146
    Abstract: The invention concerns electromagnetic detection systems designed to detect stolen objects, and comprising at least a transmission antenna and at least a reception antenna, the or each transmission antenna being powered by a power amplifier. The device consists of at least a transmission antenna (4) proper, not frequency-tuned, at least an on/off simplified power amplifier (6) of H-bridge or half-bridge or quarter-bridge type, the directly coupled to said amplifier (6), and at least an electronic powering circuit, whereof the output is connected to the amplifier.
    Type: Application
    Filed: November 7, 2007
    Publication date: May 22, 2008
    Applicant: EXAQT S.A. DE CV
    Inventors: Francois Schmidt, Daniel Heyden
  • Device for monitoring transmission antennae of electromagnetic detection systems
    Publication number: 20050095983
    Abstract: The invention concerns electromagnetic detection systems designed to detect stolen objects, and comprising at least a transmission antenna and at least a reception antenna, the or each transmission antenna being powered by a power amplifier. The device consists of: at least a transmission antenna (4) proper, not frequency-tuned, at least an on/off simplified power amplifier (6) of H-bridge or half-bridge or quarter-bridge type, the transmission antenna element (4) being directly coupled to said amplifier (6), and at least an electronic powering circuit, whereof the output is connected to the amplifier.
    Type: Application
    Filed: December 17, 2002
    Publication date: May 5, 2005
    Inventors: Francois Schmidt, Daniel Heyden