(under subclass 862.621) Subject matter wherein the sensing means detects a change in a characteristic of a radiating or reflected beam of light in order to determine elastic deformation.
SEE OR SEARCH CLASS
250, Radiant Energy, appropriate subclasses for a measuring device using invisible light which produces light modified by a force being applied and wherein the modified light is further measured.
356, Optics: Measuring and Testing, appropriate subclasses for testing using visible light and involving no other manipulations other than those necessary for an optical
test.
359, Optics: Systems (Including Communication) and Elements appropriate subclasses for an optical device, per se
