Philips Electronics patents granted on 13 December 2011

12 US patents granted on 13 December 2011 and assigned to Philips Electronics

1 8,078,742 Network establishment and management protocol
2 8,077,319 Apparatus and a method for observing the surface of a sample
3 8,076,953 LED outage detection circuit
4 8,076,937 Fibre tracking on the basis of macroscopic information
5 8,076,934 Black-blood steady-state free precession magnetic resonance imaging
6 8,076,872 Light emitting diode circuit and arrangement and device
7 8,076,871 Driver apparatus for a gas discharge lamp
8 8,076,859 Emergency sign power supply with battery charger
9 8,076,682 Contact for a semiconductor light emitting device
10 8,076,655 Method of cleaning optical surfaces of an irradiation unit in a two-step process
11 8,075,841 Biosensor with one-dimensional sub-diffraction-limited apertures composed of a grid and a polarizer
12 8,074,654 Implantable devices, systems, and methods for maintaining desired orientations in targeted tissue regions