Patent Application Number: 2006203756
Filing Date: August 29, 2006Priority Date: September 30, 2005
Inventors: Not Given
Applicants: General Electric Company
View Prior Art for Claim 9
A wireless railroad data network system (10) comprising: a detection circuitry (22) configured to detect presence of a rail vehicle on a rail track (12); a wireless network interface (26) configured to receive and transmit data with a rail vehicle; a wireless network access point (24) coupled to the detection circuitry (22) and configured to provide temporary access to the network interface (26) based on signal from the detection circuitry (22); and an electric power source (28) configured to supply electric power to the wireless network access point (24) based on the signal from the detection circuitry (22).
Patent/Application # United States Patent 4711418
Description
Railway signaling and traffic control operated using a radio channel between trains and the central office... provides location information to the central office via radio when the train enters and leaves each zone... route requests and the zone occupancy messages representing the signal aspects (the maximum speed at which the train can proceed), not only for the zone currently occupied, but also for the zone next ahead.
United States