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US5749547A Control of model vehicles on a track 失效
模拟车辆在轨道上的控制

Control of model vehicles on a track
摘要:
A controller for model trains on a train track is provided. The controller causes direct current control signals to be superimposed on alternating current power signals to control effects and features on model vehicles. The model vehicle includes a receiver unit responsive to the direct current control signals.
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