作者: William P. Mitchell
DOI:
关键词: Frame (networking) 、 Dimmer 、 Musical instrument 、 Hands free 、 Lighting system 、 Effective length 、 Electrical engineering 、 Vertical direction 、 Simulation 、 Engineering
摘要: A portable lighting system which includes a stand having an adjustable effective length positions lights carried on frame at predetermined vertical position with respect to supporting surface. The is releasably secured the and can readily be set up dismantled for transport in compact space. Lights by are connected foot operated control box switches actuated energize preselected or groups of lights. energized intensity modulated dimmer while leaving operator's hands free play musical instrument.