Detectable warning system

Details Detectable warning system Detectable warning system

2006-11-28

2006-11-28

Pope, Daryl C (Department: 2612)

Communications: electrical

Tactual indication

C340S907000, C340S691100, C404S018000

Reexamination Certificate

active

07142095

ABSTRACT:
A detectable warning system, for tactily signaling the presence of a terrain transition to a pedestrian, using a plurality of detectable warning domes that are arranged in a grid within a detectable warning carrier assembly. The detectable warning carrier assembly comprises a carrier layer being one of a top layer and a base layer of thermoplastic material with heat resistant detectable warning domes therebetween. The carrier layer is heated and adhered to a pavement surface. The detectable warning domes protrude from the pavement surface in an evenly spaced pattern that is detectable by the pedestrian using a cane or other guidance instrument.

REFERENCES:
patent: 5835271 (1998-11-01), Stump et al.

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