发明名称 Synchronized externally generated sound effects for model trains
摘要 A system for generating realistic train sounds which are synchronized with the motion of a model train. A sensor is placed aboard the model train to sense the position of desired components, such as the driving pistons of a model steam engine. Preferably, sound data is gathered and transmitted as a radio frequency signal from the model train. The radio frequency signal is received by an external receiver/amplifier. This component amplifies the synchronized sounds and plays them through a subwoofer which is capable of producing deep and resonant sound.
申请公布号 US2008015862(A1) 申请公布日期 2008.01.17
申请号 US20060486868 申请日期 2006.07.14
申请人 GRUBBA ROBERT A 发明人 GRUBBA ROBERT A.
分类号 G10L21/00 主分类号 G10L21/00
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