Patent ID: 7990595
Filing Date: 2011-08-02
Classification: G02B

Abstract:
1. An optical multi-ring scanner, comprising: a substrate, formed with a first hollow section while being structured with a first axial direction and a second axial direction that are perpendicular to each other; an outer ring driving element, formed with a second hollow section while being receiving inside the hollow section, the outer ring driving element further having two first torsion arms being respectively and symmetrically arranged at the two opposite sides of the outer ring driving element while both being connected to the substrate in a manner that each first torsion arm is arranged extending in a first extending direction as the first extending direction is parallel to the first axial direction; at least one inner ring driving element, each configured with a first inner ring driver in a manner that each first inner ring driver is formed with a third hollow section while being received inside the second hollow section, and each first inner ring driver further having a pair of second torsion arms symmetrically disposed at the two opposite sides of the first inner ring driver while being connected to the outer ring driving element in a manner that each second torsion arm is arranged extending in a second extending direction as the second extending direction is parallel to the second axial direction; and a mirror element, disposed inside the third hollow section while having a pair of third torsion arms symmetrically disposed at two opposite sides of the mirror element in a manner that the pair of the third torsion arms are disposed coaxial with the pair of the second torsion arms while enabling each third torsion arm to be connected to the inner ring driving element.