US PATENT SUBCLASS 250 / 559.32
.~.~.~ Measuring rate of motion or flow (change of 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  DF  .~.~ Measuring position {9}
559.32.~.~.~ Measuring rate of motion or flow (change of position)

DEFINITION

Classification: 250/559.32

Measuring rate of motion or flow (change of position):

(under subclass 559.29) Subject matter wherein the time rate of change of the position of the material is determined by repeatedly measuring the position of the material at discrete time intervals.

SEE OR SEARCH CLASS

356, Optics: Measuring and Testing,

28, and 28.5 for velocity determining optical systems.