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    • 4. 发明专利
    • TAXIMETERS
    • CA1074447A
    • 1980-03-25
    • CA247461
    • 1976-03-09
    • SCOTT KEITH
    • SCOTT KEITH
    • G07B13/00
    • This invention relates to a taximeter for calculating a fare total from a predetermined combination of charges based on distance and/or time factors, said taximeter comprising an electronic circuit time factors, associated components adapted to take said distance factor in the form of an electrical pulse train representing the speed of the taxi and use said pulse train to modify or control a constant frequency time function so that said time function is caused to conform to a frequency proportional to the frequency of said pulse train when the frequency of said pulse train exceeds a predetermined limit, said taximeter including activation means adapted on operation to activate the taximeter, counting means for counting directly or indirectly the sum of pulses issuing from said time function and display means adapted to display the fare resulting from the sum of pulses counted by said counting means in a convenient form.