Registers – Platform operated – Platform actuated traffic counters
Patent
1976-06-18
1977-10-04
Thesz, Joseph M.
Registers
Platform operated
Platform actuated traffic counters
235 92EV, 235 92R, 340 38L, G08G 1065
Patent
active
040525953
ABSTRACT:
A vehicle monitoring system for detecting the passage of vehicles past a predetermined point along a road. Using a pair of magnetic sensors positioned in a spaced relationship, together with appropriate logic circuitry, the apparatus according to the present invention is able to detect the number of and the direction of vehicles traveling along said road. Counting means are also provided to give an indication of the number of vehicles passing in each of the two directions during any selected period of time.
REFERENCES:
patent: 3126522 (1964-03-01), Fieser
patent: 3374340 (1968-03-01), Auer et al.
patent: 3644825 (1972-02-01), Davis et al.
patent: 3745450 (1973-07-01), Wilt
Erdmann David P.
Kurschner Dennis L.
Honeywell Inc.
Medved Albin
Thesz Joseph M.
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