HITCH INTEGRATED DEPLOYABLE UMBRELLA SYSTEM  WITH SOUND EXCITER
摘要:
An apparatus includes, among other things, a support configured to be connected to a power source and at least one rigid panel attached to the support. The at least one rigid panel is moveable between a deployed position and a stowed position. At least one exciter is supported on the at least one rigid panel and is configured to selectively generate sound when powered by the power source.
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