(19)
(11)
EP 1 869 682 A1
(12)
(43)
Date of publication:
26.12.2007
Bulletin 2007/52
(21)
Application number:
06739915.4
(22)
Date of filing:
29.03.2006
(51)
International Patent Classification (IPC):
H01F
17/00
(2006.01)
H01F
27/36
(2006.01)
H01L
23/522
(2006.01)
H01F
27/34
(2006.01)
(86)
International application number:
PCT/US2006/011445
(87)
International publication number:
WO 2006/105184
(
05.10.2006
Gazette 2006/40)
(84)
Designated Contracting States:
DE FR GB
(30)
Priority:
30.03.2005
US 94834
30.03.2005
US 94833
(71)
Applicant:
Silicon Laboratories, Inc.
Austin, TX 78735 (US)
(72)
Inventor:
MARQUES, Augusto Manuel
Austin, Texas 78749 (US)
(74)
Representative:
Wombwell, Francis
Potts, Kerr & Co. 15, Hamilton Square
Birkenhead Merseyside CH41 6BR
Birkenhead Merseyside CH41 6BR (GB)
(54)
MAGNETICALLY DIFFERENTIAL INDUCTORS AND ASSOCIATED METHODS