Patent ID: 8878750
Filing Date: 2014-11-04
Classification: G02B,G06F,G06K

Abstract:
1. A head mount display (HMD) device comprising: a camera unit configured to capture an image at a front of the HMD device; a distance obtaining unit configured to obtain a relative distance between the HMD device and an object in the front of the HMD device; a location obtaining unit configured to obtain an absolute location information of the HMD device; a communication unit configured to transmit and receive data; a display unit configured to display visual information; and a processor configured to control the camera unit, the distance obtaining unit, the location obtaining unit, the communication unit and the display unit, wherein the processor is further configured: to recognize a face from the image, to receive personal data corresponding to the recognized face, to obtain, from the received personal data, personal information and period from a latest date when the face was lastly recognized to a current date when the face is currently recognized, when the period is shorter than a first threshold period, not to display the personal information, and when the period is longer than the first threshold period, to display the personal information, and to control a quantity of the personal information based on the relative distance and the period, and wherein a category of the personal information to be displayed is determined based on the absolute location information of the HMD device.