US PATENT SUBCLASS 340 / 670
.~.~ Velocity

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
540  DF  .~ Specific condition {18}
670.~.~ Velocity {1}
671  DF  .~.~.~> Angular {1}

DEFINITION

Classification: 340/670

Velocity:

Subject matter under 540 wherein the sensed condition is the change in position of a specified object with respect to time.

SEE OR SEARCH THIS CLASS, SUBCLASS:

441, and 463+, for a speed signalling system in a vehicle.

SEE OR SEARCH CLASS

73, Measuring and Testing,

488+, for speed measurement.

324, Electricity: Measuring and Testing,

160+, for electrical speed measurement.