US PATENT SUBCLASS 73 / 506
.~ Means integrating intermittent speed source impulses

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

488  DF  SPEED, VELOCITY, OR ACCELERATION {29}
506.~ Means integrating intermittent speed source impulses

DEFINITION

Classification: 73/506

(under subclass 488) Apparatus including means for producing a speed measurement from successive impulses from the speed source.

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649+, for vibration sensing apparatus.