CPC A61B 5/6824 (2013.01) [A61B 5/02422 (2013.01); A61B 5/14552 (2013.01); A61B 5/681 (2013.01); A61B 5/6838 (2013.01); A61B 2562/02 (2013.01); A61B 2562/146 (2013.01)] | 20 Claims |
1. A wearable electronic device comprising:
a housing defining a top surface positioned opposite a bottom surface, the bottom surface defining a circular convex region that includes:
a central region aligned with at least one photoemitter;
a photodetector region aligned with at least one photodetector and defined around at least a portion of a perimeter of the central region;
a first opaque region separating the central region from the photodetector region, wherein the first opaque region is defined between an inner boundary encircling the central region and an outer boundary spaced apart from, and aligned with, the inner boundary; and
a second opaque region at least partially dividing the central region.
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