An apparatus for improving the performance of a ceramic metal halide lamp includes an interior chamber disposed within an outer envelope. The encoder includes an encoder fence provided on an intersecting plane that intersects a reference plane orthogonal to a direction in which a guide element supports the conveyed object. , VWF) and platelets from the blood stream of a patient in need thereof. The interference component of the input signal is estimated based on a mathematical model according to at least a dynamic chirp component and a static chirp component. The support member is capable of facilitating an extension and retraction of the securing membrane.