.~ Vehicular guidance systems with single axis control {8}
581
.~.~ Radio-controlled
DEFINITION
Classification: 318/581
(under subclass 580) Subject matter in which the steering control signal is obtained by radio.
SEE OR SEARCH THIS CLASS, SUBCLASS:
16, for open-loop remote controls including space transmitted electromagnetic or electrostatic energy (e.g., radio) control means.
SEE OR SEARCH CLASS
244, Aeronautics,
3.13, 3.14, and 3.19 for electromagnetic wave or radio guidance.
340, Communications: Electrical, 825.69, and 825.72 are the generic subclasses for the control of apparatus and devices at a distance by means of radio wave energy.
342, Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation),
385+, for directive beacons used in radio guidance.
455, Telecommunications,
68, for remotely controlled modulated carrier wave communication systems.