US Patent 9030446 Placement of optical sensor on wearable electronic device

In one embodiment, a wearable device includes a body that includes a touch-sensitive display. The wearable device includes a band coupled to the body and an optical sensor placed on or in the band so that an image of an object displayed on the touch-sensitive display is viewable while the object is also viewable without the wearable device blocking a view of the object.