Electronically controlled speed bump device

Details Electronically controlled speed bump device Electronically controlled speed bump device

1991-11-21

1993-12-07

Dorner, Kenneth J.

Road structure, process, or apparatus

Traffic director

Yielding

404 8405, E01F 900, E01C 1900

Patent

active

052678083

ABSTRACT:
A selectively retractable and extendable electronically controlled vehicle speed bump mounted in a street, road or roadway for controlling the speed of vehicles includes a sensor for detecting or sensing vehicle speed, a microprocessor responsive to the sensor for generating a signal to activate the speed bump, and an actuator for extending and retracting the speed bump.

REFERENCES:
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patent: 4490068 (1984-12-01), Dickinson
patent: 4576507 (1986-03-01), Terio
patent: 4576508 (1986-03-01), Dickinson
patent: 4715742 (1987-12-01), Dickinson
patent: 4818136 (1989-04-01), Nasatka et al.
patent: 4893119 (1990-01-01), Nasatka
patent: 4974991 (1990-12-01), Mandavi

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