US 12,093,763 B2
Visual marker
Arun Srivatsan Rangaprasad, Sunnyvale, CA (US); Anselm Grundhoefer, Campbell, CA (US); Mohamed Selim Ben Himane, Palo Alto, CA (US); Dhruv A. Govil, Vancouver (CA); Joseph M. Luxton, San Francisco, CA (US); Jean-Charles Bernard Marcel Bazin, Sunnyvale, CA (US); and Shubham Agrawal, Sunnyvale, CA (US)
Assigned to APPLE INC., Cupertino, CA (US)
Appl. No. 18/010,578
Filed by APPLE INC., Cupertino, CA (US)
PCT Filed Jun. 15, 2021, PCT No. PCT/US2021/037368
§ 371(c)(1), (2) Date Dec. 15, 2022,
PCT Pub. No. WO2021/257527, PCT Pub. Date Dec. 23, 2021.
Claims priority of provisional application 63/041,205, filed on Jun. 19, 2020.
Prior Publication US 2023/0297801 A1, Sep. 21, 2023
Int. Cl. G06K 19/06 (2006.01)
CPC G06K 19/06168 (2013.01) 10 Claims
OG exemplary drawing
 
1. A visual marker that conveys information, the visual marker comprising:
a plurality of markings arranged in a corresponding plurality of ring shapes,
wherein each marking is a ring of ring-segment sub-markings separated by gaps that are spaced to define positions;
wherein a first set of the positions have gaps and markings that represent values and a second set of the positions provide gaps that indicate orientation of the visual marker, wherein gaps at the positions of the second set of positions provide a combination of gap locations that is unique to a single orientation of the visual marker.