Patent ID: 9575721
Date: 2017-02-21
CPC Classifications: G02B,G06F

Claim:
1. A head mounted display (HMD), comprising: a display unit configured to display digital information; an audio input unit configured to receive a voice input; a first sensor configured to detect a first contact, wherein the first sensor is positioned at a nose pad of the HMD and detects the first contact when the nose pad of the HMD contacts a first designated area of a user's head; and a controller configured to: perform a first operation; receive, through the audio input unit, a first voice input while the first contact is detected, process the first voice input with respect to the first operation, detect, through the first sensor, the first contact being released, receive, through the audio input unit, a second voice input while the first contact is released, perform a second operation according to the received second voice input, detect the first contact again after being released, receive, through the audio input unit, a third voice input while the first contact is detected, and process the third voice input with respect to the first operation, wherein processing the third voice input is sequential to processing the first voice input with respect to the first operation.