Help and/or risk signaling means for the traffic of vehicles...

Details Help and/or risk signaling means for the traffic of vehicles... Help and/or risk signaling means for the traffic of vehicles...

2005-03-01

2005-03-01

Nguyen, Hung (Department: 2636)

Communications: electrical

Pedestrian guidance

C340S901000, C340S905000, C340S988000, C340S989000, C340S991000

Reexamination Certificate

active

06861959

ABSTRACT:
The present invention incorporates fixed radio beacons (TX-F), mobile and portable radio beacons (TX-M), together with vehicle receiver units (RX-M) and/or receiver units (RX-P) carried by pedestrians for all types of warning and assistance messages, or both or either with mobile transceivers (TX/RX-M) for motor cars and other transceivers (TX/RX-P) for pedestrians, the latter for transmitting and receiving similar warning and assistance messages, all being controlled by an operations center (CO) and which has a services network, with elements which are fixed, mobile or portable (SM).

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