Patent ID: 8730131

Claim:
A method of outputting a content using an HMD (head mounted display), the method comprising: performing a pairing with a digital device having at least one display unit; detecting a location state of the paired digital device, wherein the location state comprises a first state in which the digital device is located within a preset view angle region of the HMD and a second state in which the digital device is not located within the preset view angle region of the HMD; when the detecting step indicates that the location state of the digital device is changed from the second state to the first state, determining whether a second content currently being displayed on the digital device is identical to a first content currently being displayed on the HMD; and terminating the display of the first content on the HMD when the determining step indicates that the second content currently being displayed on the digital device is identical to the first content currently being displayed on the HMD, or continuing the display of the first content on the HMD when the determining step indicates that the second content currently being displayed on the digital device is not identical to the first content currently being displayed on the HMD, wherein when the determining step indicates that the first content displayed on the HMD is identical to the second content displayed on the digital device, the second content is displayed only on the digital device, and when the determining step indicates that the first content displayed on the HMD is not identical to the second content displayed on the digital device, the first content is continued to be displayed on the HMD, and wherein one content is displayed on each of at least one of the HMD and the digital device, and is not jointly displayed over the HMD and the digital device.