TRAFFIC LIGHT FOR COLOUR BLINDNESS

TRAFFIC LIGHT FOR COLOUR BLINDNESS

  • CN 2,108,970 U
  • Filed: 03/28/1989
  • Issued: 07/01/1992
  • Est. Priority Date: 03/28/1989
  • Status: Active Grant
First Claim
Patent Images

1. A kind of traffic that not only had been adapted to common people but also had been adapted to color-blind people is with red, green light, formed by red, green (or blue green), amber light, it is characterized in that stopping with the expression that is in line of several red light levels, lamps vertically are in line that expression is current so that several are green (or blue green).

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