E - Fixed Constructions – 01 – F
Patent
E - Fixed Constructions
01
F
94/13, 240/59
E01F 9/04 (2006.01) E01F 9/00 (2006.01) E01F 9/08 (2006.01) G01K 11/16 (2006.01) G08B 19/02 (2006.01) G08G 1/04 (2006.01) G08G 1/09 (2006.01) G09F 19/22 (2006.01) G09F 13/04 (2006.01) G09F 13/22 (2006.01)
Patent
CA 1297085
ABSTRACT A road-marking tape or strip is disclosed and has a base strip for application to a roadway surface. series of elements which protrude from the base strip are located therealong with light emitting diodes housed therein. A photosensitive device which is responsive to the headlights of approaching motor vehicles is provided on the strip and which, upon registration of light from headlights, causes a source of electrical energy which can either be carried on the strip itself or obtained from a remote location to render the light emitting diodes light emittive. Optionally, the light emitting diodes may be energized in response to a traffic signal light. If desired, filament-type microlamps can also be positioned along the strip and actuated by an additional photosensitive device which is capable of monitoring fog conditions.
514283
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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