US PATENT SUBCLASS 701 / 41
.~.~ Steering control

Current as of: June, 1999
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701 /   HD   DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION

1  DF  VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION {19}
36  DF  .~ Vehicle subsystem or accessory control {5}
41.~.~ Steering control {3}
42  DF  .~.~.~> Feedback, transfer function or proportional and derivative (P&D) control
43  DF  .~.~.~> Fail-safe system
44  DF  .~.~.~> Artificial intelligence (e.g., fuzzy logic)

DEFINITION

Classification: 701/41

Steering control:

(under subclass 36) Vehicle subsystem or accessory control wherein the electrical data processing system or calculating computer is designed to control or monitor either (a) a direction of travel, b) the yaw of a vehicle, or (c) a force applied to or exerted by a vehicle navigational system.

SEE OR SEARCH CLASS

105, Railway Rolling Stock,

4.4, for train having a wheel steering provision.

114, Ships,

144+, for ship steering mechanisms.

116, Signals and Indicators,

31, for a vehicle steering wheel position indicator. 180, Motor Vehicles, appropriate subclass, especially

6.2+, for steering by driving systems and 234+ for steering of four wheel drive vehicles, 408+ for a vehicle having each wheel steerable, 410 for condition modulated steering, and 443+ for electric power assist steering.

187, Elevators, Industrial Lift Truck, or Stationary Lift for vehicle,

231, for industrial lift truck steering by a walking attendant.

188, Brakes,

350, for brakes in combination with a steering gear control.

244, Aeronautics,

17.17, 50, and 51 for aircraft steering.

280, Land Vehicles, appropriate subclass for steering a vehicle.

340, Communications: Electrical,

465, for indicator of steering or turning. 342, Communications: Directive Radio Wave Systems and Devices (e.g., radar, radio navigator), appropriate subclass especially

71, for return control signal for steering.

440, Marine Propulsion,

53, for a means effecting or facilitating movement of propulsion unit or a segment of the propulsion unit (e.g., tilting or steering).