Apple patents granted on 23 June 2009

4 US patents granted on 23 June 2009 and assigned to Apple

1 7,552,031 Personal items network, and associated methods
2 7,551,674 Using order difference for calculating motion vector
3 7,551,486 Iterative memory cell charging based on reference cell value
4 7,551,142 Hybrid antennas with directly fed antenna slots for handheld electronic devices