US PATENT SUBCLASS 303 / 181
.~.~ Linear inertia or accelerometer (includes pendulum type)

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

121  DF  SPEED-CONTROLLED {44}
177  DF  .~ Sensing jerk, acceleration, or deceleration {8}
181.~.~ Linear inertia or accelerometer (includes pendulum type)

DEFINITION

Classification: 303/181

Linear inertia or accelerometer (includes pendulum type):

(under subclass 177) Sensing acceleration in which an eccentric mass reciprocates along an axis.