Invention Grant
- Patent Title: Apparatus and method for visually inspecting gemstones
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Application No.: US16995931Application Date: 2020-08-18
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Publication No.: US11333606B2Publication Date: 2022-05-17
- Inventor: Jiangquan Mai , Fangyi Shi , Wai Yi Yeung
- Applicant: Hong Kong Applied Science and Technology Research Institute Co., Ltd.
- Applicant Address: HK Shatin
- Assignee: Hong Kong Applied Science and Technology Research Institute Co., Ltd.
- Current Assignee: Hong Kong Applied Science and Technology Research Institute Co., Ltd.
- Current Assignee Address: HK Shatin
- Agency: Warner Norcross + Judd LLP
- Main IPC: G01N21/64
- IPC: G01N21/64 ; G01N21/87 ; G01N21/59

Abstract:
There is disclosed an apparatus for visually inspecting gemstones. The apparatus contains a first light source, a sample stage adapted to receive a gemstone thereon, and a rotating stage located below the sample stage. The rotating stage is adapted to rotate relative to the sample stage. Embodiments of the invention therefore provide a portable and automatic gemstone inspecting apparatus that provides multiple inspection methods centrally without the need to use other external devices.
Public/Granted literature
- US20220057327A1 APPARATUS AND METHOD FOR VISUALLY INSPECTING GEMSTONES Public/Granted day:2022-02-24
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