IIIH
US007379763B2
(12) United States Patent ao) Patent No.: Us 7,379,763 B2
Wu (45) Date of Patent: May 27,2008
4,759,099 A * 7/1988 Morano et al 16/64
5,369,788 A * 11/1994 Nagai 455/575.4
5,529,148 A * 6/1996 O'Leary 188/67
6,370,362 Bl * 4/2002 Hansen et al 455/90.1
6,438,117 Bl* 8/2002 Grilli et al 370/331
6,615,449 Bl* 9/2003 Alvarez 16/66
6,795,409 Bl * 9/2004 Youssefmir et al 370/328
6,982,968 Bl * 1/2006 Barratt et al 370/328
7,043,259 Bl * 5/2006 Trott 455/458
7,062,294 Bl * 6/2006 Rogard et al 455/562.1
7,142,535 B2* 11/2006 Kubler et al 370/353
7,181,257 B2* 1/2007 Gordecki 455/575.4
7,212,832 B2* 5/2007 Yokota 455/513
2001/0024945 Al* 9/2001 Inomata et al 455/90
2002/0039890 Al* 4/2002 Kim 455/90
2004/0198307 Al * 10/2004 Chang 455/348
12 Claims, 7 Drawing Sheets
