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Light sensors detect the presence or absence of light, and the intensity of that light. These sensors then convert light ...
The lighting industry’s benchmark for the end of service life is defined as when LED output drops to 70% of its initial ...
This paper presents an AC-powered LED driver circuit that can drive multiple strings of LEDs with uniform brightness. The circuit basically has a two-stage topology in which the first-stage boost ...
Closeup macro shot movement of stock graph displayed on LED screen showing growth chart as economic boom or bull market point concept. Positive stock market exchange suitable for financial investment.
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An integrated buck–boost–buck-type single-switch multistring resonant light-emitting diode (LED) driver is proposed and analyzed. It combines buck–boost and buck converters to achieve passive current ...
Introduction Current international guidelines for cardiac rehabilitation (CR) advocate moderate-intensity exercise training (MISS, moderate-intensity steady state). This recommendation predates ...
As Utah prepares for an overdue, big earthquake, University of Utah seismologists found that current seismic hazard models may be underestimating the intensity of shaking the Salt Lake Valley could ...