Patent ID: 8862466

Claim:
A device for speech input installed in an enclosure, comprising: a speech input unit disposed on a surface of the enclosure, configured to convert a speech of a user to a speech signal; an angle detection unit disposed on the surface, configured to detect an angle of the speech input unit with respect to lips of the user, the angle being detected by measuring an acceleration applied to a direction perpendicular to the surface; a distance detection unit configured to detect a distance between the speech input unit and the user; and an input switch unit configured to control on and off of the speech input unit based on the angle and the distance, wherein: the input switch unit turns on the distance detection unit in response to a determination that the angle is within a preset angle range, and the input switch unit turns on the speech input unit in response to a determination that the distance is within a preset distance range, and a determination that the angle remains within the preset angle range.