Invention Grant
- Patent Title: Object tracking system including polarization selective optical element
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Application No.: US17541223Application Date: 2021-12-02
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Publication No.: US11869560B2Publication Date: 2024-01-09
- Inventor: Hyunmin Song , Sanaz Alali , Yun-Han Lee , Zhisheng Yun
- Applicant: Meta Platforms Technologies, LLC
- Applicant Address: US CA Menlo Park
- Assignee: META PLATFORMS TECHNOLOGIES, LLC
- Current Assignee: META PLATFORMS TECHNOLOGIES, LLC
- Current Assignee Address: US CA Menlo Park
- Agency: MILLBURN IP PLLC
- Main IPC: G11B7/1353
- IPC: G11B7/1353 ; G11B7/131 ; G02B27/28
Abstract:
A system includes a polarization selective optical element configured to diffract a light reflected by an object into a plurality of signal lights. The system also includes at least one optical sensor configured to receive the signal lights and generate a plurality of tracking signals for tracking the object.
Public/Granted literature
- US20220270645A1 OBJECT TRACKING SYSTEM INCLUDING POLARIZATION SELECTIVE OPTICAL ELEMENT Public/Granted day:2022-08-25
Information query
IPC分类:
