Patents Assigned to PSP Security Company Limited
  • Publication number: 20170307537
    Abstract: A system (1) for viewing a gemstone, the system (1) including a first light source (2) configured for selectably illuminating at least one of a plurality of features of the gemstone; an optical magnifying unit (10)configured for providing a magnified view of the plurality of the features of the gemstone in which at least one of the plurality of features of the gemstone is selectably illuminated by the first light source (2); and a viewing display unit (11) configured for displaying a representation of the magnified view.
    Type: Application
    Filed: October 7, 2015
    Publication date: October 26, 2017
    Applicants: GOLDWAY TECHNOLOGY LIMITED, PSP SECURITY COMPANY LIMITED
    Inventors: Wai Keung YEUNG, Wing Chiu LIU
  • Patent number: D669380
    Type: Grant
    Filed: October 15, 2010
    Date of Patent: October 23, 2012
    Assignee: PSP Security Company Limited
    Inventors: Ching Tom Kong, Chik Yun Ian Kwan