Patents Assigned to Carmanah Technologies Corporation
  • Solar-powered wireless crosswalk warning system
    Patent number: 7317405
    Abstract: A solar-powered crosswalk warning system is disclosed. The crosswalk warning system comprises two or more crosswalk warning beacons, located on opposite sides of the road. Each beacon comprises a solar panel to recharge a battery, a battery back, a control unit to charge the battery pack during daylight hours, a communication unit to communicate to the second crosswalk beacon, a traffic signal lamp ton warn oncoming traffic, and a triggering means by which the pedestrian can activate the beacons.
    Type: Grant
    Filed: November 24, 2004
    Date of Patent: January 8, 2008
    Assignee: Carmanah Technologies Corporation
    Inventors: David Robin Green, Jim Ward, Neil Wyper