December 22, 2008 - PureSpectrum, Inc. completes dimmable CFL design for 220/240-volt power source
December 29th, 2008 »SAVANNAH, GA – Engineers from PureSpectrum, Inc. (Pink Sheets: PSPM) have completed a circuitry redesign which successfully applies PureSpectrum’s proprietary dimmable ballast for Compact Fluorescent Lamps (CFL) to the 220/240 voltage which is the line voltage standard for the majority of countries outside of the United States.
The circuitry modification, which is protected both domestically [...]