US PATENT SUBCLASS 701 / 78
.~.~.~ Control of brake pressure

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}
70  DF  .~ Indication or control of braking, acceleration, or deceleration {3}
71  DF  .~.~ Antiskid, antilock, or brake slip control {6}
78.~.~.~ Control of brake pressure {3}
79  DF  .~.~.~.~> Having speed variation responsive means (e.g., acceleration, deceleration)
80  DF  .~.~.~.~> Having coefficient of friction or road condition determining means
81  DF  .~.~.~.~> Four wheel drive, electric, or heavy vehicles

DEFINITION

Classification: 701/78

Control of brake pressure:

(under subclass 71) Antiskid or antilock control wherein the electrical data processing system or calculating computer is designed to control the braking, acceleration, or deceleration of a vehicle by regulation of a fluid pressure exerted by the braking system.

SEE OR SEARCH CLASS

188, Brakes, appropriate subclasses for a means of retarding the motion of or stopping machines, including vehicles.

303, Fluid-Pressure Brake and Analogous Systems,

167, for vehicle speed control by regulating brake pressure not having a positive recitation of data processing steps.