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| Number | Title | Issue Date |
| 8070109 | System and method for controlling a bell in a model vehicle A system and method is provided for controlling bell movement and/or sound in a model train or other model vehicle. In one embodiment of the present invention, the system includes a user control, a sound subsystem, a bell controller and a bell device. The user contr... | 12/06/2011 |
| 7210656 | Control, sound, and operating system for model trains A model train operating, sound and control system that provides a user with increased operating realism. A novel remote control communication capability between the user and the model trains. This feature is accomplished by using a handheld remote control on which v... | 05/01/2007 |
| 7137600 | Method and apparatus for automatic train control in a digitally controlled model railroad system A method for automatic train control in a digitally controlled model railroad system includes detecting a polarity change of a track voltage applied to the track by means of a digitally controlled motor vehicle running on the track. The track voltage being a modulat... | 11/21/2006 |
| 7104509 | Combination model train proximity detector and signal A combination model train sensor and signal includes a train proximity sensor, a signal such as red yellow and green signal lights, semaphores, wig-wag signals and the like together with a controller connected to the proximity sensor and the signal and the controlle... | 09/12/2006 |
| 6367742 | Power and impedance control methods for model railroads A method of reducing interferences or cross-talks is provided to a model track circuit, which composes of multiple track sections that electrically communicate with current sensors, inductive reactance elements, and a booster. The method includes providin... | 04/09/2002 |
| 4613103 | Crossing bell and flasher A model railroad crossing bell and flasher employs spaced photocell detectors along the model railroad track. A comparator receives the photocell detector output signals and upon detecting a train shadow provides power to a first oscillator which actuates... | 09/23/1986 |
| 4369943 | Model train crossing gate A detector circuit for a model railroad employs two pairs of magnetically-operated relays positioned on either side of a grade crossing along a set of tracks. In addition a single magnetically-operated relay is located at the grade crossing and is given a... | 01/25/1983 |
