F - Mech Eng,Light,Heat,Weapons – 21 – Q
Patent
F - Mech Eng,Light,Heat,Weapons
21
Q
240/58
F21Q 3/00 (1980.01)
Patent
CA 1103634
ABSTRACT An improved roadside marker system wherein each individual reflector means is longitudinally spaced from others thereof and is continuously visible by the driver of a vehicle moving along the road at night-time from viewing angle of 0 to 60° where 0° extends substantially parallel to a tangent to the road side portion in the region where each respective one of the reflector means is located. The driver continuously sees retroreflected light at any given instant of time while approaching and passing a group of the reflector means so employed and so located. Also, an improved roadside reflector assembly useful in such system which when mounted alongside a road is continuously visible by retroreflected light by the driver of a vehicle moving along the road at night-time within a viewing angle of from about 0 to 60° relative thereto, where 0° extends substantially parallelly to a tangent to the road in the region where such reflector assembly is located.
312679
Nagel Robert I.
Schueler Arthur P.
Astro Optics Corporation
Smart & Biggar
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