Patents by Inventor Camilo Velez Cuervo

Camilo Velez Cuervo 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).

  • Axisymmetric electropermanent magnets
    Patent number: 11380467
    Abstract: Embodiments of the present disclosure relate to methods and systems for switching a magnetic field external to a magnet assembly having two permanent magnets, including a fixed permanent magnet portion and a switching permanent magnet portion, where a switching magnetic field is used to switch the magnetization of the switching permanent magnet portion, but not switch the magnetization of the fixed permanent magnet portion. In this way, the fixed permanent magnet portion has a fixed magnetization, such that the direction of magnetization of the fixed permanent magnet portion remains the same during switching of the magnetization of the switching permanent magnet portion, and the switching permanent magnet portion has a switching magnetization, such that the direction of magnetization of the switching permanent magnet portion is switched during switching of the magnetization of the switching permanent magnet portion.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: July 5, 2022
    Assignee: University of Florida Research Foundation, Inc.
    Inventors: David P. Arnold, Camilo Velez Cuervo
  • AXISYMMETRIC ELECTROPERMANENT MAGNETS
    Publication number: 20210183553
    Abstract: Embodiments of the present disclosure relate to methods and systems for switching a magnetic field external to a magnet assembly having two permanent magnets, including a fixed permanent magnet portion and a switching permanent magnet portion, where a switching magnetic field is used to switch the magnetization of the switching permanent magnet portion, but not switch the magnetization of the fixed permanent magnet portion. In this way, the fixed permanent magnet portion has a fixed magnetization, such that the direction of magnetization of the fixed permanent magnet portion remains the same during switching of the magnetization of the switching permanent magnet portion, and the switching permanent magnet portion has a switching magnetization, such that the direction of magnetization of the switching permanent magnet portion is switched during switching of the magnetization of the switching permanent magnet portion.
    Type: Application
    Filed: March 1, 2021
    Publication date: June 17, 2021
    Inventors: David P. Arnold, Camilo Velez Cuervo
  • Axisymmetric electropermanent magnets
    Patent number: 10971292
    Abstract: Embodiments of the subject invention relate to an electropermanent magnet core (EPM core) having two permanent magnets (or two permanent magnet portions where each portion can have one or more permanent magnets), including a fixed permanent magnet portion and a switching permanent magnet portion, where a switching magnetic field is used to switch the magnetization of the switching permanent magnet portion, but not switch the magnetization of the fixed permanent magnet portion.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: April 6, 2021
    Assignee: University of Florida Research Foundation, Inc.
    Inventors: David P. Arnold, Camilo Velez Cuervo
  • Detecting counterfeit magnetic stripe cards using encoding jitter
    Patent number: 10803261
    Abstract: Systems and methods for detecting counterfeit magnetic stripes are provided. A method can include detecting magnetic flux transitions encoded on a magnetic stripe and the variation in distances between clocking flux transitions. The distance between variations in clocking flux transitions is greater in counterfeit cards than in legitimate cards. The variations in distances can be compared with known values of legitimate cards to detect the presence of a counterfeit magnetic stripe.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: October 13, 2020
    Assignee: University of Florida Research Foundation, Incorporated
    Inventors: Patrick G. Traynor, David P. Arnold, Walter N. Scaife, Christian Peeters, Camilo Velez Cuervo
  • AXISYMMETRIC ELECTROPERMANENT MAGNETS
    Publication number: 20190333670
    Abstract: Embodiments of the subject invention relate to an electropermanent magnet core (EPM core) having two permanent magnets (or two permanent magnet portions where each portion can have one or more permanent magnets), including a fixed permanent magnet portion and a switching permanent magnet portion, where a switching magnetic field is used to switch the magnetization of the switching permanent magnet portion, but not switch the magnetization of the fixed permanent magnet portion.
    Type: Application
    Filed: December 7, 2017
    Publication date: October 31, 2019
    Inventors: DAVID P. ARNOLD, CAMILO VELEZ CUERVO
  • DETECTING COUNTERFEIT MAGNETIC STRIPE CARDS USING ENCODING JITTER
    Publication number: 20180314862
    Abstract: Systems and methods for detecting counterfeit magnetic stripes are provided. A method can include detecting magnetic flux transitions encoded on a magnetic stripe and the variation in distances between clocking flux transitions. The distance between variations in clocking flux transitions is greater in counterfeit cards than in legitimate cards. The variations in distances can be compared with known values of legitimate cards to detect the presence of a counterfeit magnetic stripe.
    Type: Application
    Filed: April 24, 2018
    Publication date: November 1, 2018
    Inventors: Patrick G. Traynor, David P. Arnold, Walter N. Scaife, Christian Peeters, Camilo Velez Cuervo