×

MILEAGE RECORDING

  • US 3,754,122 A
  • Filed: 01/24/1972
  • Issued: 08/21/1973
  • Est. Priority Date: 06/08/1970
  • Status: Expired due to Term
First Claim
Patent Images

1. In an automatic vehicle rental system an improved combination of;

  • means for sensing vehicle mileage;

    means for generating digital signals proportional to mileage comprising;

    means for generating pulses in direct proportion to mileage, and means for standardizing the electric charge of each pulse generated;

    an electrolytic cell connected to the pulse generator for recording vehicle mileage as electric charge, said electrolytic cell being detachably connectable to the vehicle for recording mileage;

    means for enabling vehicle operation when thE electrolytic cell is connected to the vehicle and disabling vehicle operation when the electrolytic cell is disconnected; and

    means remote from the vehicle for reading the recorded electric charge and generating a digital signal in proportion thereto.

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