公开(公告)号：US20240353262A1

公开(公告)日：2024-10-24

申请号：US18305411

申请日：2023-04-24

Applicant: Meta Platforms Technologies, LLC

Inventor： Shubin Zhang ,  Difei Qi ,  Mathieu Vedel ,  Erdem Erden ,  Jim Li

IPC: G01J3/52 ,  G01J3/02

CPC classification number: G01J3/524 ,  G01J3/0208

Abstract: A colorimeter calibration apparatus may include a uniform luminance light source that projects light with at least one predetermined characteristic and a reticle holder that is affixed to the uniform luminance light source and that holds a removable reticle through which the light is projected. Various other methods, systems, and computer-readable media are also disclosed.