METHODS AND APPARATUS FOR TUNING PRE-SELECTION FILTERS IN RADIO RECEIVERS - Patent 1380108

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EP 1 380 108 A2

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(88)	Date of publication A3:
	12.12.2002

(43)	Date of publication:
	14.01.2004 Bulletin 2004/03

(21)	Application number: 02745233.3

(22)	Date of filing: 15.04.2002

(51)	International Patent Classification (IPC)⁷: H03J 3/08

(86)	International application number:
	PCT/EP2002/004154

(87)	International publication number:
	WO 2002/084870 (24.10.2002 Gazette 2002/43)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

17.04.2001 US 836523
05.07.2001 US 899339

(71)	Applicant: Telefonaktiebolaget L M Ericsson (Publ)
	126 25 Stockholm (SE)

(72)	Inventors:
	ISBERG, Martin S-224 72 Lund (SE) LINDQUIST, Björn Cary, NC 27513 (US) LINDELL, Bo S-181 46 Lidingö (SE)

(74)	Representative: Petri, Stellan
	Ström & Gulliksson IPC AB,P.O. Box 793 220 07 Lund 220 07 Lund (SE)

(54)	METHODS AND APPARATUS FOR TUNING PRE-SELECTION FILTERS IN RADIO RECEIVERS