Additionally, OSRAM has begun selling the H11 LED bulb in Romania, the first LED bulb approved in the European Union, further expanding its product range for the Romanian automotive market. The ...

A family of dimmable ac light-emitting-diode (LED) drivers fed from dc voltages, is presented in this paper based on zero-current-switching quasi-resonant converters. The proposed family of drivers is ...

Nehalem Bay State Park reopened most of its campground July 1 after a seven-month construction closure.