Philips Electronics patents granted on 01 April 2008

16 US patents granted on 01 April 2008 and assigned to Philips Electronics

1 D565,543 Speakerbox
2 7,353,040 Closed-loop power controlled radio communication system
3 7,352,730 Joint channel and noise variance estimation in a wideband OFDM system
4 7,352,728 Fast channel switching scheme for IEEE 802.11 WLANs
5 7,352,672 Device for and method of determining the quality of a data signal
6 7,352,659 Method and apparatus for phase and/or copy window control use with a domain expansion recording medium and record carrier
7 7,352,522 Control means and method of controlling a current through a coil
8 7,352,514 Variable focus lens
9 7,352,500 Full-color electrochromic display with stacked in cell monochromic electrochromes
10 7,352,291 Method of receiving messages transmitted from vehicle to vehicle
11 7,352,131 Electric lamp comprising a lead-free glass component
12 7,352,108 Piezoelectric driving device and a regulation method for a piezoelectric driving device
13 7,352,042 Radiation-emitting semiconductor device and method of manufacturing such a device
14 7,351,951 Optoelectronic semiconductor device and method of manufacturing such a device
15 7,351,293 Method and device for rotating a wafer
16 7,351,194 Arrangement for influencing magnetic particles