Portable lighting system having a foot operated dimmer
US4167783A · kind A · utility
Inventor
Key dates
| Filing date | Aug 30, 1977 |
| Grant date | Sep 11, 1979 |
| Priority date | — |
| Expiry date | Aug 30, 1997 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2113/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A portable lighting system which includes a stand having an adjustable effective length which positions lights carried on a frame at a predetermined vertical position with respect to a supporting surface. The frame is releasably secured to the stand and can readily be set up and dismantled for transport in a compact space. Lights carried by the frame are connected to a foot operated control box which includes switches actuated to energize preselected lights or groups of lights. The energized lights or preselected energized lights can be intensity modulated with a foot operated dimmer while leaving the operator's hands free to play a musical instrument.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.