×

METHOD AND APPARATUS FOR DIGITALLY DETERMINING THE SPEED OF A MOVING OBJECT

  • US 3,689,921 A
  • Filed: 04/24/1970
  • Issued: 09/05/1972
  • Est. Priority Date: 04/24/1970
  • Status: Expired due to Term
First Claim
Patent Images

1. A Doppler radar device for determining the speed of a moving object, said device comprising:

  • means for producing a continuously running time base, means for receiving a Doppler signal, means for correlating said received Doppler signal with said time base, means for counting cycles of said correlated Doppler signal, said correlating means and said Doppler signal counting means cooperating to count said cycles of said Doppler signal in a preselected time increment, said time increment relating to said time base, and means for displaying the number of Doppler signal cycles in units indicative of the speed of said moving object.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×