US PATENT SUBCLASS 244 / 3.19
.~.~ Radio wave


Current as of: June, 1999
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244 /   HD   AERONAUTICS

3.1  DF  MISSILE STABILIZATION OR TRAJECTORY CONTROL {4}
3.15  DF  .~ Automatic guidance {4}
3.19.~.~ Radio wave


DEFINITION

Classification: 244/3.19

(under subclass 3.15) Subject matter in which means are provided for detecting radio waves and a communication link is provided between the detecting means and the command source in the missile.

SEE OR SEARCH THIS CLASS, SUBCLASS:

3.13, for missiles that are directed to a target by a beam of electromagnetic energy from a command source.

3.14, for remote control systems wherein a command transmits a radio frequency control signal to the missile.

SEE OR SEARCH CLASS

342, Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation), appropriate subclasses for radio wave communication systems, especially

417, for direction finding receivers. See Class 343, Communications: Radio Wave Antennas, subclasses 700+ for radio wave antennas.

455, Telecommunications,

130+, for radio receivers.