Time of motion, speed, and trajectory height measuring device

  • US 6,073,086 A
  • Filed: 01/14/1998
  • Issued: 06/06/2000
  • Est. Priority Date: 01/14/1998
  • Status: Expired due to Term
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First Claim
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1. A measuring device comprising:

  • (a) an object unit secured to a movable object, said object unit comprising(a1) an acceleration sensor that detects an acceleration event of said movable object,(a2) a threshold circuit connected to said acceleration sensor, and(a3) a first radio transmitter connected to said threshold circuit; and

    (b) a monitor unit external to said object unit comprising(b1) a first radio receiver wherein said object unit communicates with said monitor unit by sending from said radio transmitter at least one radio signal to said first radio receiver,(b2) a first processor connected to said first radio receiver, wherein said first processor determines motion characteristics of said movable object,(b3) an output display connected to said first processor, and(b4) an input keypad connected to said first processor.

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