Patent ID: 11896461
Assignee: ALIGN TECHNOLOGY, INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC A  G  H | IPC A  G  H

Claim 3:
4. The apparatus of claim 2, further comprising:
a temperature sensor;
wherein the one or more processors are further configured to:
receive temperature data from the temperature sensor, wherein the temperature data is indicative of a temperature of at least one of the plurality of structured light projectors or the two or more cameras; and
based on the temperature data, select between a plurality of sets of stored calibration data corresponding to a plurality of respective temperatures, each set of stored calibration data indicating for a respective temperature (a) the projector ray corresponding to each of the projected discrete unconnected spots of light from each one of the plurality of structured light projectors, and (b) the camera ray corresponding to each pixel on the camera sensor of each one of the two or more cameras.