Patent ID: 11971550
Assignee: MAXELL, LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 0:
1. An image transmissive head-mounted display device in which an external world image is acquired by a first image inputting unit, and the external world image is displayed on a display unit, the device comprising:
a second image inputting unit acquiring a binocular image of a wearer; and
a control unit,
wherein the control unit determines, from the binocular image of the wearer acquired by the second image inputting unit, that the wearer is awake when both eyes are closed for no longer than a predetermined period of time and that the wearer is asleep when both eyes are closed for a predetermined period of time or longer, and the display unit displays the external world image acquired by the first image inputting unit when the wearer wakes from sleep,
wherein when the wearer sleeps from awakening, the control unit continuously displays an application image that has been displayed while the wearer is awake as display of the display unit, and then, when the wearer wakes from sleep, the control unit switches the display of the display unit to the external world image from the application image.