US PATENT SUBCLASS 356 / 28
.~ With light detector (e.g., photocell)

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

Internet Version by PATENTEC © 1999      Terms of Use


356 /   HD   OPTICS: MEASURING AND TESTING

27  DF  VELOCITY OR VELOCITY/HEIGHT MEASURING {1}
28.~ With light detector (e.g., photocell) {1}
28.5  DF  .~.~> Of light interference (e.g., interferometer)

DEFINITION

Classification: 356/28

(under subclass 27) Subject matter wherein the measuring system includes means responsive to the received light.

SEE OR SEARCH THIS CLASS, SUBCLASS:

3+, for range or height finders with light detectors.

139.01+, for devices measuring the angle with respect to a remote point having specified applications with photodetection.

141.1+, for devices measuring the apex of an angle at a photodetection station with respect to a remote point.

152.1+, for devices measuring the apex of an angle at a point remote from a photodetection station. SEE OR SEARCH CLASS

343, Communication: Radio Wave,

8, for systems for measuring velocity by means of reflected radio wave energy.