Patents Assigned to Gean Technology Co. Limited
  • Method for detecting electronic lighting flickering
    Patent number: 10027857
    Abstract: A method for detecting electronic lighting flickering includes: taking a video of an electronic light with a duration of a predetermined period and a scanning frequency; extracting a predetermined number of frames of pictures from the video; determining a flickering frequency of the electronic light; determining at least one fixed reference point at each frame; and reconstructing a brightness waveform of the electronic light from the reference point in all frames of the video.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: July 17, 2018
    Assignee: Gean Technology Co. Limited
    Inventors: Shan Mei Wan, Po Shu Bruce Lam, Chi Keung Yeung
  • Method for detecting electronic lighting flickering
    Patent number: 9584704
    Abstract: A method for detecting electronic lighting flickering includes: taking a video of an electronic light with a duration of a predetermined period and a scanning frequency; extracting a predetermined number of frames of pictures from the video; determining a flickering frequency of the electronic light; determining at least one fixed reference point at each frame; and reconstructing a brightness waveform of the electronic light from the reference point in all frames of the video.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: February 28, 2017
    Assignee: Gean Technology Co. Limited
    Inventors: Shan Mei Wan, Po Shu Bruce Lam, Chi Keung Yeung