US Patent 11638147 Privacy-preserving collaborative whiteboard using augmented reality

Providing a method for secure collaboration amongst professionals so that the contents of a collaborative work session are only seen and accessed by those professionals who are authorized to view the contents. A privacy-preserving whiteboard device, along with a set of Augmented Reality (AR) Headsets that are securely and communicatively connected to the privacy-preserving whiteboard device are used to ensure the confidentiality of the contents of the collaboration session.