Detection device for data relating to the passage of vehicles on

Details Detection device for data relating to the passage of vehicles on Detection device for data relating to the passage of vehicles on

1995-03-30

1997-09-16

Hofsass, Jeffery

Communications: electrical

Vehicle detectors

340666, 340941, 377 9, 200 86A, 701121, G08G 101

Patent

active

056685408

ABSTRACT:
A detection device for data relating to the passage of vehicles over a road. The detection device is to be placed in a groove provided in the upper portion of the road and comprises a first profiled strip provided with an upper cavity in a U-shape, and a piezoelectric cable of the coaxial type arranged in the bottom of the cavity of the first profiled strip. A second profiled strip is arranged in the cavity of the first profiled strip on top of the coaxial cable. The second strip has a shape and dimensions such that it fills up the remaining volume of the cavity above the cable and seals this cavity.

REFERENCES:
patent: 3105952 (1963-10-01), Kidder
patent: 5008666 (1991-04-01), Gebert
patent: 5206642 (1993-04-01), Gregoire
patent: 5450077 (1995-09-01), Tyburski
patent: 5477217 (1995-12-01), Bergan

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