Patent ID: 8693735

Claim:
A system for analyzing an object element, comprising: a light acceptor through which light enters the system, wherein the light acceptor focuses on a field of vision that includes the object element to form a pixelated image of the object element, and light entering the system is directionally selected; a transducer operatively connected to the light acceptor for converting light to electrical signals; and a processor operatively connected to the transducer, wherein the processor receives and processes signals from the transducer indicative of changes in positioning of the object element for measuring or determining the amplitude of light modulation from a surface of the object element and for determining a change in position of the object element, wherein the determination of the amplitude of light modulation is related to the change in position of the object element by a feature of measurable contrast, S1−S0, of the object element as it undergoes physical displacement, dx, thereby causing a change in light modulation dS, and wherein S1 is a first reference signal related to a first location of the pixelated image and S0 is a second reference signal related to a second location of the pixelated image.