Patent ID: 7109640

Claim:
A holographic apparatus comprising an actuated mirror including: a fixed body having a first piezo-actuator protrudingly installed thereat; a movable body rectilinearly movable and having a second piezo-actuator protrudingly installed thereat; a rotatable body mounting thereon a mirror and rotatably installed at the movable body; and springs for connecting the fixed body and the movable body and connecting the movable body and the rotatable body to enable a rotational movement of the rotatable body and a rectilinear movement of the movable body, wherein a first prominence is installed at the movable body and in contact with a first piezo-actuator; and a second prominence is installed at the rotatable body and in contact with a second piezo-actuator; and wherein the first and the second piezo-actuators are controllable to be expanded or contracted.