Prefabricated continuous roadmarking tape having optical and ele

Details Prefabricated continuous roadmarking tape having optical and ele Prefabricated continuous roadmarking tape having optical and ele

1988-11-21

1990-05-15

Neuder, William P.

Road structure, process, or apparatus

Traffic director

Attenuated lane marker type

404 14, E01F 906

Patent

active

049253352

ABSTRACT:
A prefabricated continuous multilayer road-marking tape is described, which includes retroreflecting optical components, light emitting diodes (LEDs), solar cells, storage batteries, and reflectors and transmitters of electromagnetic waves. There are given examples of the use of the reflectors in order to control the speed of a vehicle which travels far from the tape, and examples of the use of EPROMs (erasable programmable read only memory) where messages are recorded, with the purpose of giving information about the conditions of the road, the presence of ice or of traffic jams, and so on, said messages being transmitted by a radio transmitter.

REFERENCES:
patent: 2849701 (1958-08-01), Clark
patent: 3836275 (1974-09-01), Finch
patent: 4050834 (1977-09-01), Lee
patent: 4072403 (1978-02-01), Eigenmann
patent: 4668120 (1987-05-01), Roberts
patent: 4685824 (1987-08-01), Eigenmann

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