This paper contains a description of the Philips/RWTH 1998 HUB4 system which has been build in a joint e ort of Philips Research Laboratories Aachen and Aachen University of Technology. We will focus our discussion on recent improvements compared to the original 1997 HUB4 system and evaluate them on the HUB4'97 evaluation data. The paper will deal with 1. a rough system overview including featu...

introduction: nowadays,  considerable developments  in  the field  of  radiotherapy have  been  achieved.  they  include  the  advances  made  in  the  equipments  and  treatment  planning  techniques  which  require  highly complex calculations. such achievements have made it possible to treat cancer patients not only  with  higher  radiation  dose  but  also  with  higher  precision  and  con...

During World War I, when it became increasingly difficult for physicians in many European countries to have their defective X-ray tubes repaired or replaced, since most of these tubes were produced by German-based companies, Dutch physicians made an urgent request to Philips, asking the company if they could repair their X-ray tubes. Because Philips had the necessary expertise in glass and vacu...

While LEDs themselves are extremely reliable and have a long lifetime, are electronic LED drivers capable of providing the required current/voltage input to the LEDs over their whole lifetime? This paper aims to address the above question in general and for the Xitanium family of LED drivers developed by Philips Lighting specifically. It will describe some of the strategies which Philips applie...

Xingzhe Xie 1,*, Wenzhi Liao 1, Hamid Aghajan 1,2, Peter Veelaert 1 and Wilfried Philips 1 1 imec-IPI-UGent, Ghent University, Sint-Pietersnieuwstraat 41, 9000 Ghent, Belgium; [email protected] (W.L.); [email protected] (H.A.); [email protected] (P.V.); [email protected] (W.P.) 2 Ambient Intelligence Research (AIR) Lab, Department of Electrical Engineering, Stanford Uni...

Introduction In order to strengthen the research on security and ambient intelligence, as well as the relationship between the content management and security work at Philips Research and at Twente University, a joint research project is set up. The work will be carried out by two PhD students that will be jointly supervised by Prof. Dr. Willem Jonker (Philips/UT) and Prof. Dr. Pieter Hartel (U...