Patents by Inventor Sandeep Kumar PARAL

Sandeep Kumar PARAL 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).

  • Apparatus for measuring optical characteristics of a test optical element under low-temperature environment
    Patent number: 11808938
    Abstract: An optical measurement apparatus includes a thermal insulation housing, a first light-transmissive plate, a second light-transmissive plate, a heat-conductive layer, a cooling source and a photosensor. The thermal insulation housing, the first light-transmissive plate and the second light-transmissive plate define a chamber. The heat-conductive layer is disposed in the chamber, the cooling source is coupled to the heat-conductive layer, and the photosensor is disposed outside the chamber and on one side of the second light-transmissive plate facing away from the first light-transmissive plate.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: November 7, 2023
    Assignee: YOUNG OPTICS INC.
    Inventors: Wei-Ting Chiu, Chu-Tsung Chan, Sandeep Kumar Paral, Chia-Chang Lee
  • OPTICAL MEASUREMENT APPARATUS
    Publication number: 20210382301
    Abstract: An optical measurement apparatus includes a thermal insulation housing, a first light-transmissive plate, a second light-transmissive plate, a heat-conductive layer, a cooling source and a photosensor. The thermal insulation housing, the first light-transmissive plate and the second light-transmissive plate define a chamber. The heat-conductive layer is disposed in the chamber, the cooling source is coupled to the heat-conductive layer, and the photosensor is disposed outside the chamber and on one side of the second light-transmissive plate facing away from the first light-transmissive plate.
    Type: Application
    Filed: May 28, 2021
    Publication date: December 9, 2021
    Inventors: Wei-Ting CHIU, Chu-Tsung CHAN, Sandeep Kumar PARAL, Chia-Chang LEE