Patents by Inventor Jim Edward Nicholas

Jim Edward Nicholas 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 touch screen
    Patent number: 12314517
    Abstract: A touch sensitive apparatus comprises: a top plate comprising a plurality of touch detection regions, and having one or more light sources associated therewith, such that light from the one or more light sources is transmitted within the top plate with total internal reflection; a plurality of detectors for detecting light from the one or more light sources, wherein each detector is associated with a touch detection region; wherein the top plate and the detectors are arranged such that if an external body touches a first surface of the top plate in a touch detection region, then light is coupled from a second surface of the top plate to the associated detector(s); the touch sensitive apparatus further comprising processing means to determine at least the presence or absence of a touch in any of the touch detection regions of the top plate.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: May 27, 2025
    Assignee: Uniphy Limited
    Inventors: David Lomas, Michael David Bean, Iain Macalister, Jim Edward Nicholas
  • Optical Touch Screen
    Publication number: 20240069676
    Abstract: A touch sensitive apparatus comprises: a top plate comprising a plurality of touch detection regions, and having one or more light sources associated therewith, such that light from the one or more light sources is transmitted within the top plate with total internal reflection; a plurality of detectors for detecting light from the one or more light sources, wherein each detector is associated with a touch detection region; wherein the top plate and the detectors are arranged such that if an external body touches a first surface of the top plate in a touch detection region, then light is coupled from a second surface of the top plate to the associated detector(s); the touch sensitive apparatus further comprising processing means to determine at least the presence or absence of a touch in any of the touch detection regions of the top plate.
    Type: Application
    Filed: December 22, 2021
    Publication date: February 29, 2024
    Inventors: David Lomas, MichaeI David Bean, Iain Macalister, Jim Edward Nicholas