US PATENT SUBCLASS 303 / 177
.~ Sensing jerk, acceleration, or deceleration

Current as of: June, 1999
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303 /   HD   FLUID-PRESSURE AND ANALOGOUS BRAKE SYSTEMS

121  DF  SPEED-CONTROLLED {44}
177.~ Sensing jerk, acceleration, or deceleration {8}
178  DF  .~.~> Wheel deceleration to find velocity error
179  DF  .~.~> Rotary and linear inertia
180  DF  .~.~> Rotary inertia
181  DF  .~.~> Linear inertia or accelerometer (includes pendulum type)
182  DF  .~.~> Accelerometer versus wheel rotation sensor
183  DF  .~.~> Specific acceleration or deceleration determined electronically
184  DF  .~.~> Acceleration-deceleration versus timing
185  DF  .~.~> Sensing deceleration then acceleration

DEFINITION

Classification: 303/177

Sensing jerk, acceleration, or deceleration:

(under subclass 121) Speed control in which the braking action is determined from a first derivative of speed or by a system responsive to a change of rate per time motion.