Patent · US Active

Simultaneously illuminating traffic light signals at different ranges

US9620010B2 · kind B2 · utility

59Cited by
6References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 21, 2013
Grant dateApr 11, 2017
Priority date
Expiry dateAug 21, 2033

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG08G1/095
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A method of controlling a traffic light having at least two distinguishable light signals is provided herein. The method may include the following steps: obtaining a lighting pattern that determines an order of turning “on” and turning “off” said light signals over time; and illuminating the light signals based on the lighting pattern, such that over at least one period of time, a first light of the at least two distinguishable light signals is visible from a first distance range from the traffic light and a second light of the at least two distinguishable light signals is visible from a second distance range from the traffic light, wherein the first and the second distance ranges are non-overlapping.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.