US PATENT SUBCLASS 250 / 559.19
.~.~ Measuring dimensions

Current as of: June, 1999
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250 /   HD   RADIANT ENERGY

200  DF  PHOTOCELLS; CIRCUITS AND APPARATUS {11}
559.01  DF  .~ With circuit for evaluating a web, strand, strip, or sheet {13}
559.19.~.~ Measuring dimensions {6}
559.2  DF  .~.~.~> With comparison to reference or standard
559.21  DF  .~.~.~> Volume
559.22  DF  .~.~.~> Profile {1}
559.24  DF  .~.~.~> Transversal measurement (e.g., width, diameter, cross-sectional area) {1}
559.26  DF  .~.~.~> Longitudinal measurement (e.g., length or spacing)
559.27  DF  .~.~.~> Thickness {1}

DEFINITION

Classification: 250/559.19

Measuring dimensions:

(under subclass 559.01) Subject matter including a circuit responsive to a photocell, and wherein the photocell is arranged relative to the material so that the circuit provides an output indicative of some dimension of the material.

SEE OR SEARCH CLASS

356, Optics: Measuring and Testing,

372+, for measuring dimensions of a material with an optical system.