US PATENT SUBCLASS 73 / 862.324
.~.~.~.~ Using a light sensor

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

862  DF  DYNAMOMETERS {5}
862.08  DF  .~ Responsive to torque {2}
862.191  DF  .~.~ During transmission to an external load {11}
862.321  DF  .~.~.~ By measuring elastic deformation of a torque transmitting member {4}
862.324.~.~.~.~ Using a light sensor

DEFINITION

Classification: 73/862.324

Using a light sensor:

(under subclass 862.321) Subject matter wherein the deflection or distortion is sensed by detecting a change in a characteristic of a radiated ray or reflected beam of light.

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.