Cab-circuit Controller Patents (Class 246/196)
  • Patent number: 6527230
    Abstract: A track receiver is located on-board a locomotive for receiving a first magnetic field produced in response to a cab signal carrier transmitted through a rail on which the locomotive is carried. The track receiver is oriented so that a second magnetic field produced during operation of a traction motor of the locomotive propagates substantially perpendicular to an axis of sensitivity of the track receiver, and is oriented so that the first magnetic field propagates parallel to the axis of sensitivity of the track receiver.
    Type: Grant
    Filed: September 17, 2001
    Date of Patent: March 4, 2003
    Assignee: PHW Inc.
    Inventor: John S. Frick
  • Patent number: 6059237
    Abstract: A toy train system has movable and removable trigger devices to be located by a user wherever selected on the toy train track. The train locomotive includes the ability to activate a sound and a light signal which can correspond to the sound. The train locomotive is capable of manipulating and changing the speed of the train over the track. The track can have an ascending and descending tracks and curves, and the tracks have ridges for engaging the locomotive, and can be set up by a user as required.
    Type: Grant
    Filed: April 28, 1998
    Date of Patent: May 9, 2000
    Assignee: Silverlit Toys Manufactory, Ltd.
    Inventor: Kei Fung Choi
  • Patent number: 5673876
    Abstract: A method and apparatus for preventing energization or powering of an electric trainline until a test signal transmitted through the train is verified by the locomotive.
    Type: Grant
    Filed: March 26, 1996
    Date of Patent: October 7, 1997
    Assignee: New York Air Brake Corporation
    Inventors: Anthony W. Lumbis, Bryan M. McLaughlin, Dale R. Stevens, Arnold W. Knight
  • Patent number: 5501416
    Abstract: A cab signaling apparatus for use on board a railway vehicle which is propelled on rail tracks by an electric drive motor. The invention utilizes a cab signal transmitted to the vehicle through a track circuit in the rails. On board receiving of the cab signal is done by a receiving coil, which may be mounted in front of the lead axle, as a current transformer around the lead axle, or at another location where the cab signal current is relatively strong. The cab signal that is sensed has a cab signal component and an interference component. On board the vehicle a sampled signal is taken which has the characteristic of the electromagnetic interference subjected to the cab signal receiver coil. The sampled signal is then subtracted from the sensed cab signal such that the sampled interference signal cancels the interference component of the cab signal.
    Type: Grant
    Filed: July 15, 1994
    Date of Patent: March 26, 1996
    Assignee: Union Switch & Signal Inc.
    Inventor: Ronald R. Capan
  • Patent number: 5501417
    Abstract: A cab signaling apparatus for use on board a railway vehicle which is propelled on rail tracks by an electric drive motor. The invention utilizes a cab signal transmitted to the vehicle through a track circuit in the rails. On board receiving of the cab signal is done by a receiving coil, which may be mounted in front of the lead axle, as a current transformer around the lead axle, or at another location where the cab signal current is relatively strong. The cab signal that is sensed has a cab signal component and an interference component. On board the vehicle a sampled signal is taken which has the characteristic of the electromagnetic interference subjected to the cab signal receiver coil. The sampled signal is then subtracted from the sensed cab signal such that the sampled interference signal cancels the interference component of the cab signal.
    Type: Grant
    Filed: February 21, 1995
    Date of Patent: March 26, 1996
    Assignee: Union Switch & Signal Inc.
    Inventor: Ronald R. Capan