(under subclass 400) Subject matter including means to determine the position of a target and to continuously monitor or provide an indication of the target's position over a given period of time.
(1) Note. The position of the target may be represented by determining its range and bearing only.
SEE OR SEARCH CLASS
244, Aeronautics,
76+, for aircraft control, and subclass 3.1 for missile control.
250, Radiant Energy,
203, for photocell circuits including means to point at or follow an object.
342, Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation), appropriate subclasses for radar tracking. 348, Television,
169+, for target tracking systems utilizing television systems.