Patent ID: 6995499

Claim:
An optical switching device comprising: a first actuator including a first membrane, a second membrane, a piezoelectric device formed on at least one of the first and second membranes, a first connecting part and a second connecting part, wherein the first connecting part includes a first elastic body coupled to the first membrane, a second elastic body coupled to the second membrane and a first connecting member coupled between the first and second elastic bodies, and the second connecting part includes a third elastic body coupled to the first membrane, a fourth elastic body coupled to the second membrane and a second connecting member coupled between the third and fourth elastic bodies; a second actuator including a third membrane, a fourth membrane, a piezoelectric device formed on at least one of the third and fourth membranes, a third connecting part and a fourth connecting part, wherein the third connecting part includes a fifth elastic body coupled to the third membrane, a sixth elastic body coupled to the fourth membrane and a third connecting member coupled between the fifth and sixth elastic bodies, and the fourth connecting part includes a seventh elastic body coupled to the third membrane, a eighth elastic body coupled to the fourth membrane and a fourth connecting member coupled between the seventh and eighth elastic bodies; and a mirror positioned inside the first actuator, wherein the mirror is coupled to the first actuator through a first transmitting part and the first actuator is coupled to the second actuator through a second transmitting part.