Communications: electrical – Override of traffic control indicator by command transmitter
Reexamination Certificate
2006-03-28
2006-03-28
Hofsass, Jeffery (Department: 2636)
Communications: electrical
Override of traffic control indicator by command transmitter
C340S917000, C340S944000
Reexamination Certificate
active
07019669
ABSTRACT:
A pedestrian trail signaling device for warning users of the trail or path when an emergency vehicle is approaching the intersection. Emergency vehicles14have 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 detector44located on the trail user16warning light whereby either or both systems will flash their respective predetermined warning signals when the motion detector(s) is triggered.
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