Philips holds key patent positions in such fields as optical recording technology (CD/DVD players/recorders and discs), digital compression technology (MPEG Audio/Video encoding and decoding, JPEG, MP3, DAB, Videoconferencing, DVB), interconnectivity (I2C, 1394, Havi, P50), display technology (EPGs, personalization), mobile phones (GSM, UMTS), lighting technology (Xenon car lamps, UHP lamps), and medical imaging (X-Ray/MRI and Ultrasound imaging), while the the company’s most important trademarks are its housemarks, consisting of the Philips wordmark and the Philips shield emblem. |