Communications: electrical – Vehicle detectors
Patent
1986-02-05
1987-12-29
Rowland, James L.
Communications: electrical
Vehicle detectors
180272, 200 86A, 340 52R, 340576, G08G 101
Patent
active
047164131
ABSTRACT:
A system for quick detection of driver impairment as evidenced by the driver's inability to keep a vehicle on an assigned course, utilizes parallel strips defining a relatively narrow lane through which the driver is to operate the vehicle. The strips, and their associated equipment, are readily portable, and are thus adapted to be set up by police officers at any location desired, in a minimum amount of time, thereby permitting spot checks with little or no advance warning to motorists passing the check point. The strips are hollow, and contain pressure chambers, the volume of which is reduced whenever a vehicle tire crosses or rides along one of the strips. Reduction of the pressure chamber volume is adapted to actuate switches, strategically located at predetermined intervals along the length of the respective strips. The switches in turn close circuits, when so activated, to recording devices, radar equipmet, or any other checking apparatus favored by the authorities.
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Rowland James L.
Swarthout Brent A.
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