Patent ID: 9317126
Filing Date: 2016-04-19
CPC Classification: G02B,G06F

Claim Text:
1. A head-mounted display device that enables a user to simultaneously visually recognize a virtual image and an outside scene, the head-mounted display device comprising: a photographing unit configured to photograph at least apart of a visual field direction of the user in a state in which the user wears the head-mounted display device and acquire a motion of the user, the photographing unit starts photographing the motion when it detects a preset start trigger, and stops photographing the motion when it detects a preset end trigger; a track acquiring unit configured to acquire a track of the motion of the user from the motion photographed by the photographing unit; an authentication processing unit configured to authenticate, using the track acquired by the track acquiring unit, whether the user is a proper user; and a guidance unit configured to inform the user of an overlapping region where a display region of the virtual image and a photographing region of the photographing unit overlap, the photographing region being a region, smaller than a total photographing region of the photographing unit, where performance of the photographing unit is assured, wherein the start trigger and end trigger are different from the track acquired by the track acquiring unit.