Patente US8016470 - LED-based dental exam lamp with variable chromaticity - Google PatentesB???squeda Im???genes Maps Play YouTube Noticias Gmail Drive M???s ??Iniciar sesi???n B???squeda avanzada de patentesPatentesAn electrically powered light source including a light emitting diode (LED) having variable chromaticity, which is adapted for use in a dental operatory.