Patents by Inventor Alice Smith

Alice Smith 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).

  • Security devices
    Patent number: 10543710
    Abstract: A security device is provided including a first pattern of elements and a second, overlapping, pattern of elements spaced by a transparent layer, the first and second patterns in combination obstructing the passage of light transmitted to a viewer through the device to a varying degree depending on the viewing position. The first and second patterns of elements are configured such that a first region of the device exhibits a maximum change in the degree of obstruction when the device is tilted relative to the viewer about a first tilt axis, and a second region of the device exhibits a maximum change in the degree of obstruction when the device is tilted relative to the viewer about a second tilt axis which is not parallel to the first tilt axis.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: January 28, 2020
    Assignee: DE LA RUE INTERNATIONAL LIMITED
    Inventors: Robert Whiteman, Alice Smith, Adam Lister
  • SECURITY DEVICES
    Publication number: 20180215187
    Abstract: A security device is provided including a first pattern of elements and a second, overlapping, pattern of elements spaced by a transparent layer, the first and second patterns in combination obstructing the passage of light transmitted to a viewer through the device to a varying degree depending on the viewing position. The first and second patterns of elements are configured such that a first region of the device exhibits a maximum change in the degree of obstruction when the device is tilted relative to the viewer about a first tilt axis, and a second region of the device exhibits a maximum change in the degree of obstruction when the device is tilted relative to the viewer about a second tilt axis which is not parallel to the first tilt axis.
    Type: Application
    Filed: January 12, 2018
    Publication date: August 2, 2018
    Applicant: DE LA RUE INTERNATIONAL LIMITED
    Inventors: Robert WHITEMAN, Alice SMITH, Adam LISTER
  • Security devices
    Patent number: 9902186
    Abstract: A security device is provided including a first pattern of elements and a second, overlapping, pattern of elements spaced by a transparent layer, the first and second patterns in combination obstructing the passage of light transmitted to a viewer through the device to a varying degree depending on the viewing position. The first and second patterns of elements are configured such that a first region of the device exhibits a maximum change in the degree of obstruction when the device is tilted relative to the viewer about a first tilt axis, and a second region of the device exhibits a maximum change in the degree of obstruction when the device is tilted relative to the viewer about a second tilt axis which is not parallel to the first tilt axis.
    Type: Grant
    Filed: July 5, 2013
    Date of Patent: February 27, 2018
    Assignee: DE LA RUE INTERNATIONAL LIMITED
    Inventors: Robert Whiteman, Alice Smith, Adam Lister
  • SECURITY DEVICES
    Publication number: 20150151562
    Abstract: A security device is provided including a first pattern of elements and a second, overlapping, pattern of elements spaced by a transparent layer, the first and second patterns in combination obstructing the passage of light transmitted to a viewer through the device to a varying degree depending on the viewing position. The first and second patterns of elements are configured such that a first region of the device exhibits a maximum change in the degree of obstruction when the device is tilted relative to the viewer about a first tilt axis, and a second region of the device exhibits a maximum change in the degree of obstruction when the device is tilted relative to the viewer about a second tilt axis which is not parallel to the first tilt axis.
    Type: Application
    Filed: July 5, 2013
    Publication date: June 4, 2015
    Inventors: Robert Whiteman, Alice Smith, Adam Lister