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US 9,542,852 B2Granted
Mass transit safety notification system and device
AssigneeStc PLC
InventorsBrad Cross, Destry Diefenbach, Yogesh Barve, Pete Ksycki, Scott Kolts, Steve McDonald
Life of this patent
Estimating the term…
Abstract
A system and device that will notify roadway maintenance workers of an approaching mass transit vehicle and, conversely, will notify the operators and administrators of mass transit vehicles of roadway maintenance workers within the vicinity of an approaching section of track.
Claims17
A safety notification system for a mass transit grid, the system comprising:
- a mass transit grid;
- one or more individuals in the mass transit grid, each of said individuals equipped with a personal notification unit;
- two or more warning zones in the mass transit grid, a first of the warning zones being a track area and a second of the warning zones being a silent area;
- a vehicle in the mass transit grid equipped with a vehicle equipment unit, said vehicle equipment unit having no information about the two or more warning zones;
- and
- a network which communicatively connects the vehicle equipment unit to the personal notification units;
- wherein when the vehicle is within a predetermined proximity to the warning zones:
- the personal notification units transmit location-based information to the vehicle equipment unit;
- the vehicle equipment unit receives the information transmitted from the personal notification units;
- the vehicle equipment unit transmits vehicle location information to the personal notification units;
- and
- the personal notification units receive the information transmitted from the vehicle equipment unit;
- and
- wherein, based upon the information received from the vehicle equipment unit:
- personal notification units located in the track area enter an alert mode and transmit a warning to the individual equipped with the personal notification unit and personal notification units located in the silent area receive the information from the vehicle equipment unit but do not enter an alert mode and do not transmit a warning to the individual equipped with the personal identification unit.
12 more elements
A safety notification system for a mass transit grid, the system comprising:
- a mass transit grid;
- one or more individuals in the mass transit grid, each of said individuals equipped with a personal notification unit;
- two or more warning zones in the mass transit grid, a first of the warning zones being a track area and a second of the warning zones being a silent area;
- a vehicle in the mass transit grid equipped with a vehicle equipment unit and having a defined route, said vehicle equipment unit having no information about the two or more warning zones;
- and
- a network which communicatively connects the vehicle equipment unit to the personal notification units;
- wherein when the vehicle is within a predetermined proximity to the warning zones:
- the personal notification units transmit location-based information to the vehicle equipment unit;
- the vehicle equipment unit receives the information transmitted from the personal notification units;
- the vehicle equipment unit transmits vehicle location information to the personal notification units;
- and
- the personal notification units receive the information transmitted from the vehicle equipment unit;
- and
- wherein, based upon the information received from the vehicle equipment unit:
- if the track area is on the defined route, the personal notification units located in the track area enter an alert mode and transmit a warning to the individual equipped with the personal notification unit;
- and
- if the track area is not on the defined route, the personal notification units located in the track area do not enter an alert mode and do not transmit a warning to the individual equipped with the personal notification unit;
- and
- wherein the personal notification units located in the silent area receive the information from the vehicle equipment unit but do not enter an alert mode and do not transmit a warning to the individual equipped with the personal identification unit regardless of if the silent area is on the defined route.
16 more elements
Dependencies are inferred from the claim text.