Patents Assigned to Presidium Instruments Pte Ltd
  • Gemstone tester and a method of characterising a gemstone
    Patent number: 9568434
    Abstract: A gemstone tester for characterizing a gemstone and a method of characterizing a gemstone are provided, the gemstone tester comprising a detector unit for detecting one or more transmittances of the gemstone; and a processing unit for determining a first parameter based on one or more of the transmittances of light; and for characterizing the gemstone based on the first parameter; wherein each transmittance of the gemstone is a fraction of light of a specific wavelength that is passed through the gemstone.
    Type: Grant
    Filed: October 3, 2013
    Date of Patent: February 14, 2017
    Assignee: Presidium Instruments Pte Ltd
    Inventors: Hwa San Sim, Joanne Yeo
  • Analysis tool member
    Patent number: 9341502
    Abstract: A detachable member and a processing member for an analysis tool, the detachable member including a housing for a probe member, the probe member capable of obtaining one or more characteristics information; and a circuitry component for co-operating with the member, the circuitry component including one or more electrical connections for transmitting one or more characteristics information to a separate processing member such that one or more characteristics information is capable of being used by the separate processing member for analysis.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: May 17, 2016
    Assignee: Presidium Instruments Pte Ltd
    Inventors: Joanne Yeo, Darren Koong, Reza Assadi