US Patent 11922652 Augmented reality collaboration system with physical device

An augmented reality collaboration system comprises a first system configured to display virtual content, comprising: a structure comprising a plurality of radiation emitters arranged in a predetermined pattern, and a user device comprising: one or more sensors configured to sense outputs of the plurality of radiation emitters, and one or more displays; one or more hardware processors; and a non-transitory machine-readable storage medium encoded with instructions executable by the one or more hardware processors to, for the user device: determine a pose of the user device with respect to the structure based on the sensed outputs of the plurality of radiation emitters, and generate an image of virtual content based on the pose of the user device with respect to the structure, wherein the image of the virtual content is projected by the one or more displays of the user device in a predetermined location relative to the structure.