Patents by Inventor Rebecca W. Dreasher

Rebecca W. Dreasher 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).

  • Publication number: 20200198677
    Abstract: A control system includes a first vehicle controller configured to be disposed onboard a first vehicle system moving along route segments and to receive a conditional movement authority that has a condition to be met before the first vehicle system can travel into a designated route segment of the route segments. The first vehicle controller is configured to communicate with a separate, second vehicle system to determine a state of the second vehicle system. The first vehicle controller is configured to determine whether the state of the second vehicle system satisfies the condition of the conditional movement authority. The first vehicle controller also is configured to permit movement of the first vehicle system into the designated route segment responsive to determining that the state of the second vehicle system satisfies the condition of the conditional movement authority.
    Type: Application
    Filed: March 4, 2020
    Publication date: June 25, 2020
    Inventors: Rebecca W. Dreasher, Ann K. Grimm, Jeffrey D. Kernwein, Francois Pretorius
  • Publication number: 20200195426
    Abstract: A system and method for a secure key exchange between two trains operating within a track network may include generating a first or second public key based on a secret random number, generating a shared secret key based on the first or second public key, authenticating one or more key exchange communications by a remote server based on a digital signature established with an on-board key associated with the first train, authenticating a communication by a remote server based on the digital signature of the second train signed with an on-board key associated with the second train, and establishing secure train-to-train communication between the two trains by generating a shared secret key based on a public key received from the other train, the secure key exchange protecting the two trains from a man-in-the-middle attack.
    Type: Application
    Filed: December 14, 2018
    Publication date: June 18, 2020
    Inventors: Rebecca W. Dreasher, Stephen Craven, Matthew Steven Vrba
  • Publication number: 20190389498
    Abstract: A system, method, and computer program product for determining ancillary subdivision/districts may include obtaining route data associated with one or more vehicle network operators operating one or more subdivisions/districts over which the vehicle group may travel, determining an ancillary subdivision/district of the one or more subdivisions/districts that are not included in the route data by any of the one or more vehicle network operators, receiving route data for the vehicle network operator associated with the ancillary subdivision/district, and communicating with one or more wayside interface units in the ancillary subdivision/district based on the route data.
    Type: Application
    Filed: June 21, 2019
    Publication date: December 26, 2019
    Inventors: Ann K. Grimm, Rebecca W. Dreasher
  • Publication number: 20190389499
    Abstract: A system, method, and computer program product for determining ancillary subdivision/districts may include obtaining track data associated with one or more railroads operating one or more subdivisions/districts over which the train may travel, determining an ancillary subdivision/district of the one or more subdivisions/districts that are not included in the track data by any of the one or more railroads, receiving track data for the railroad associated with the ancillary subdivision/district, and communicating with one or more wayside interface units in the ancillary subdivision/district based on the track data.
    Type: Application
    Filed: June 17, 2019
    Publication date: December 26, 2019
    Inventors: Ann K. Grimm, Rebecca W. Dreasher
  • Patent number: 9896114
    Abstract: A computer-implemented method for a plurality of trains, at least one of which is operating at a restricted speed, the method including: (a) transmitting, by at least one on-board computer of at least one train to at least one remote server, train location data; (b) requesting, by the at least one on-board computer from the at least one remote server, office polling data; (c) generating at least one poll registration message based at least partially on the office polling data; (d) based at least partially on the office polling data and/or the poll registration message, determining proximity of the at least one train to at least one subdivision; and (e) based at least partially on at least one of the following: train location data, office polling data, the poll registration message, or any combination thereof, transmitting, by the at least one remote server to at least one on-board computer of at least one train, train location data comprising location or position data related to at least one other train.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: February 20, 2018
    Assignee: Westinghouse Air Brake Technologies Corporation
    Inventors: Rebecca W Dreasher, Jeffrey D Kernwein
  • Publication number: 20160152254
    Abstract: A computer-implemented method for a plurality of trains, at least one of which is operating at a restricted speed, the method including: (a) transmitting, by at least one on-board computer of at least one train to at least one remote server, train location data; (b) requesting, by the at least one on-board computer from the at least one remote server, office polling data; (c) generating at least one poll registration message based at least partially on the office polling data; (d) based at least partially on the office polling data and/or the poll registration message, determining proximity of the at least one train to at least one subdivision; and (e) based at least partially on at least one of the following: train location data, office polling data, the poll registration message, or any combination thereof, transmitting, by the at least one remote server to at least one on-board computer of at least one train, train location data comprising location or position data related to at least one other train.
    Type: Application
    Filed: December 1, 2015
    Publication date: June 2, 2016
    Inventors: Rebecca W. Dreasher, Jeffrey D. Kernwein
  • Patent number: 9168936
    Abstract: A computer-implemented method of transforming movement authority limits for a train traveling in a track network, which includes determining authority of tracks associated with a switch, based at least partially on authority data and/or train authority data for the train, and providing authority on a switch leg of the switch based at least partially on the authority of the associated tracks. The computer-implemented method also includes determining authority of tracks associated with switches on at least two tracks, based at least partially on authority data and/or train authority data for the train, and providing authority on a crossover track between the at least two tracks based at least partially on the authority of the associated tracks.
    Type: Grant
    Filed: November 13, 2012
    Date of Patent: October 27, 2015
    Assignee: Wabtec Holding Corp.
    Inventors: Ann K. Grimm, Phillip A. Burgart, James H. Moore, Rebecca W. Dreasher
  • Publication number: 20140131524
    Abstract: A computer-implemented method of transforming movement authority limits for a train traveling in a track network, which includes determining authority of tracks associated with a switch, based at least partially on authority data and/or train authority data for the train, and providing authority on a switch leg of the switch based at least partially on the authority of the associated tracks. The computer-implemented method also includes determining authority of tracks associated with switches on at least two tracks, based at least partially on authority data and/or train authority data for the train, and providing authority on a crossover track between the at least two tracks based at least partially on the authority of the associated tracks.
    Type: Application
    Filed: November 13, 2012
    Publication date: May 15, 2014
    Applicant: Wabtec Holding Corp.
    Inventors: Ann K. Grimm, Phillip A. Burgart, James H. Moore, Rebecca W. Dreasher