Patents Assigned to AMESYS
  • Patent number: 10345429
    Abstract: The invention relates to a method for locating a signal transmitter whose position is unknown, by the use of signal receivers which are synchronized with each other to a common time reference and whose positions are known, comprising: a step of multilateration by time difference of arrival, which is done with the signals sent by the transmitter with unknown position and respectively received by the receivers, characterized in that: said step of multilateration by time difference of arrival is preceded by a step of evaluation of the time offsets between the values from the common time reference respectively known by the receivers, and said step of multilateration by time difference of arrival is done by correcting said temporal offsets so as to reset the receivers to said same common time reference value.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: July 9, 2019
    Assignee: AMESYS
    Inventor: Rémi Rollero
  • Publication number: 20170371025
    Abstract: The invention relates to a method for locating a signal transmitter whose position is unknown, by the use of signal receivers which are synchronized with each other to a common time reference and whose positions are known, comprising: a step of multilateration by time difference of arrival, which is done with the signals sent by the transmitter with unknown position and respectively received by the receivers, characterized in that: said step of multilateration by time difference of arrival is preceded by a step of evaluation of the time offsets between the values from the common time reference respectively known by the receivers, and said step of multilateration by time difference of arrival is done by correcting said temporal offsets so as to reset the receivers to said same common time reference value.
    Type: Application
    Filed: December 16, 2015
    Publication date: December 28, 2017
    Applicant: AMESYS
    Inventor: Rémi Rollero
  • Publication number: 20140121969
    Abstract: A device for detecting objects such as mines placed in a zone to be explored, the device being placed on a vehicle moving at a velocity V and including a panel on which a radiation set is arranged to transmit signals at an illumination frequency and to receive signals reflected from the zone, and a processing circuit to provide information about the presence of the objects after processing of the reflected signals, wherein the radiation set includes an alignment of antennas arranged transverse to the velocity V of displacement of the vehicle.
    Type: Application
    Filed: July 5, 2012
    Publication date: May 1, 2014
    Applicants: ECOLE POLYTECHNIQUE, AMESYS SAS
    Inventors: Claude Chekroun, Mario Duran, Olivier Bohbot, Roland Seneor