Crosswalk warning light system

Details Crosswalk warning light system Crosswalk warning light system

1996-09-20

1998-03-31

Hofsass, Jeffery

Communications: electrical

Pedestrian guidance

340925, 340557, 340691, 116 63R, G08G 1095

Patent

active

057343390

ABSTRACT:
A crosswalk warning light system for warning drivers that a pedestrian has entered a crosswalk by shining a light onto the crosswalk and any pedestrians in the crosswalk. The crosswalk warning light system detects a pedestrian entering the crosswalk and activates the light so that a driver can see and avoid the pedestrian in the crosswalk. The crosswalk warning light system is timed so as to deactivate the light after a predetermined interval of time. The light source is selected from any conventional light source such as a scanning laser, a focused strobe light, or a focused incandescent light. The light source is supported above the crosswalk and aimed down toward the crosswalk so that the entire area defined by the crosswalk is illuminated. Further, by aiming the light source down on the crosswalk, the pedestrians are also illuminated.

REFERENCES:
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patent: 3199073 (1965-08-01), Hilliker
patent: 4025922 (1977-05-01), Trawick, III
patent: 4570207 (1986-02-01), Takahashi et al.
patent: 4590474 (1986-05-01), Patterson et al.
patent: 5103223 (1992-04-01), Humphrey
patent: 5406276 (1995-04-01), Ogle
patent: 5519390 (1996-05-01), Casini
patent: 5559509 (1996-09-01), Ogle
patent: 5572202 (1996-11-01), Regel et al.

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