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| Number | Title | Issue Date |
| 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 |
| 5938151 | Communication systems employing power cables for conveyor carriages A system for communication between a fixed station and a carriage, which travels along a rail. The system employs a cable used to supply the carriage with electric power and carries out communication by superimposing communication signals on the electric ... | 08/17/1999 |
| 5927657 | Antenna mounting structure for movable member conveying system A carriage conveying system having a conveyance control device, which outputs communication signals for supplying a carriage with electric power by a feeder cable arranged along a guide rail to move the carriage along the guide rail and for controlling op... | 07/27/1999 |
| 5886619 | Communication method in movable body operating system In an operating system for a movable body that runs on a guide rail, a communication method is described that establishes communications between the movable body and an operation control unit for controlling running of the movable body. Power lines on whi... | 03/23/1999 |
| 5012749 | Radio controlled material handling apparatus A material handling system, such as a monorail material handling system, and a delivery device therefor which is intelligent, self-powered and capable of communicating with a central system control via a radio frequency communication link without direct e... | 05/07/1991 |
| 4986187 | Toy vehicle assembly with video display capability The invention comprises a toy vehicle such as a train, for moving about a track and which includes an optical sensing apparatus. The vehicle includes a charge coupled device to sense radiant energy external of the vehicle. The vehicle includes sensing cir... | 01/22/1991 |
| 4747351 | Solid-state whistle and horn activation system for model railroads Apparatus for actuating a sounding device for model railroad engines powered by an alternating-current voltage impressed across two rails, which apparatus is completely solid state in nature. The system includes input and output transistors which are norm... | 05/31/1988 |
| 4005837 | Circuit arrangement for controlling the propulsion, braking and station stopping function for a rapid transit train A propulsion, braking, and station stopping control circuit for a rapid transit train including a first summing and amplifying apparatus for producing a velocity signal which is a function of the desired and actual velocity of the train and including a se... | 02/01/1977 |
| 3973746 | Collision avoidance system A collision avoidance system adapted for railroad use comprising a track having connected thereto a plurality of first signal transmitters exciting the track by a first control signal within a first frequency bandpass range and a plurality of second signa... | 08/10/1976 |
