US PATENT SUBCLASS 701 / 97
.~.~.~ Fail-safe system

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}
93  DF  .~.~ Vehicle speed control (e.g., cruise control) {4}
97.~.~.~ Fail-safe system

DEFINITION

Classification: 701/97

Fail-safe system:

(under subclass 93) Vehicle speed control wherein the electrical data processing system or calculating computer is

designed to detect an abnormality in operating conditions and carry out the appropriate sequence of instructions to stabilize vehicle speed.

SEE OR SEARCH CLASS

303, Fluid-Pressure Brake and Analogous Systems,

122+, for speed controlled vehicle with failure responsive means.

340, Communication: Electrical,

507, for a fail-safe responsive indicating system.

708, Electrical Computers: Arithmetic Processing and Calculating, 530+, for an electric digital calculating computer having a specialized function of error detection or correction.

714, Error Detection/Correction and Fault Detection/Recovery,

2+, for a fail-safe fault recovery apparatus.