US PATENT SUBCLASS 250 / 559.29
.~.~ Measuring position

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
559.29.~.~ Measuring position {9}
559.3  DF  .~.~.~> With alignment detection
559.31  DF  .~.~.~> With triangulation
559.32  DF  .~.~.~> Measuring rate of motion or flow (change of position)
559.33  DF  .~.~.~> With robotics
559.34  DF  .~.~.~> Lead or wire bond inspection
559.35  DF  .~.~.~> Centroid
559.36  DF  .~.~.~> Edge
559.37  DF  .~.~.~> Angular orientation (e.g., skew)
559.38  DF  .~.~.~> Determining range from detector

DEFINITION

Classification: 250/559.29

Measuring position:

(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 the location of the material relative to some reference frame.