Road structure – process – or apparatus – Traffic director
Patent
1995-06-07
1997-03-25
Neuder, William P.
Road structure, process, or apparatus
Traffic director
40412, 40431, 40612, G09F 1100
Patent
active
056137990
ABSTRACT:
A method and apparatus for creating the appearance of on and off flashes of light and of moving to attract the attention of an observer is provided. A moveable support is provided, rotatable about an axis with first and second reflective materials thereon at horizontally and vertically spaced locations thereon on opposite sides of the axis of rotation. The reflective material is rotated to bring the reflective materials into the line of sight of an observer on opposite sides of the rotational axis and then moving the reflective material from the line of sight of the observer. Light is directed from a light source towards the rotatable member to cause the first reflective materials on opposite sides of the rotational axis and moving it into the observer's line of sight to flash on and then to flash off at first positions as the first reflective materials travel from the observer's line of sight and to cause the second reflective materials following the first reflective materials moving into the observer's line of sight to flash on and then to flash off at second positions as the second reflective materials travel from the observer's line of sight with the appearance that first reflective materials are shifted in the axial direction to the second position's to provide the appearance of flashes of light moving in the axial direction on opposite sides of the axis.
REFERENCES:
patent: 2985976 (1961-05-01), Parker
patent: 3374763 (1968-03-01), Browning
patent: 3590505 (1971-07-01), Benchley, Jr.
patent: 3638341 (1972-02-01), Holmes
patent: 3964190 (1976-06-01), Leo
patent: 4353179 (1982-10-01), Jennings
patent: 4910898 (1990-03-01), Hector
patent: 5085075 (1992-02-01), Baker
patent: 5323728 (1994-06-01), Hjelm
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