Patents by Inventor Robert Carey Carr

Robert Carey Carr has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7019669
    Abstract: A pedestrian trail signaling device for warning users of the trail or path when an emergency vehicle is approaching the intersection. Emergency vehicles 14 have an actuatable transceiver that transmits a signal to the trail posted signaling device causing warning lights to flash and generation of a response signal informing the emergency vehicle operator that the trail posted signaling device has received the emergency vehicle transmission. A user transmitter having an on/off switch that broadcasts a signal to the trail signaling device causing the signaling device blinking yellow LED displays to blink A passive detector is provided whereby an emergency vehicle strobe light can trigger both flashing warning signals when the passive detector(s) is triggered. A motion detector 44 located on the trail user 16 warning light whereby either or both systems will flash their respective predetermined warning signals when the motion detector(s) is triggered.
    Type: Grant
    Filed: December 1, 2003
    Date of Patent: March 28, 2006
    Inventor: Robert Carey Carr