Patent ID: 8928963
Filing Date: 2015-01-06
Classification: G02B

Abstract:
1. A light-scanning device comprising: a mirror unit which vibrates using an arbitrary straight line as a rotation axis; a pair of first beam portions which are respectively disposed on a straight line that is parallel to the rotation axis, and support the mirror unit; a pair of second beam portions which are respectively disposed to be line-symmetrical to the pair of first beam portions about the rotation axis as an axis of symmetry, and support the mirror unit; a pair of first arm portions which respectively support the pair of first beam portions; a pair of second arm portions which respectively support the pair of second beam portions; a pair of third beam portions which support the mirror unit between the first beam portions and the second beam portions; a pair of third arm portions which respectively support the pair of third beam portions; and a frame portion which supports the first arm portions, the second arm portions, and the third arm portions.