All Photos From: Google Image
Apple received their second patent for their Augmented Reality-based 'Measuring' app in mid-July.
Apple is attempting to conceal the fact that one of the novel approaches being examined for measuring things in a 3D environment is in their patent file.
is that of a potential Apple ring accessory that might work with an HMD in the future (Head Mounted Device).
Apple published a patent grant report titled "Apple wins a patent for a Specialized Smart Ring System to be used primarily in conjunction with Mixed Reality Applications."
This is one of the apps that could be used in conjunction with Apple's Future smart ring.
Apple conceals this information by including a ring in their patent figure.
which cannot be word searched, and they simply refer to patent point feature #105b, a ring, as a "controller" in the body of the patent.