Pedestrian countdown timer

Pedestrian countdown timer

CN
  • CN 201,662,892 U
  • Filed: 01/22/2010
  • Issued: 12/01/2010
  • Est. Priority Date: 01/22/2010
  • Status: Active Grant
First Claim
Patent Images

1. pedestrian'"'"'s count-down device, it is characterized in that, described count-down device comprises:

  • main control unit, described main control unit are connected with communication unit, driving/display unit, power supply unit and light color detecting unit respectively, and described power supply unit also is connected with the light color detecting unit.

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