Patent ID: 9727174
Date: 2017-08-08
CPC Classifications: G02B,G03B,G06F,H04N

Claim:
1. A method comprising: projecting, by a projector coupled to a head-mountable device, a virtual input device onto a movable projection surface, wherein the virtual input device comprises a plurality of objects; visually highlighting, by the projector, a center object located at a center of the plurality of objects; detecting a change in size, on the moveable projection surface, of one or more objects of the plurality of objects, relative to a size of the highlighted center object on the moveable projection surface; determining, based on detecting the change, that the movable projection surface has moved relative to the projected virtual input device; and in response to (i) detecting the change in size, and (ii) determining that the movable projection surface has moved relative to the projected virtual input device, visually highlighting another object from the one or more objects instead of the center object, wherein the other object has an increased size relative to the center object.