Global Patent Index - EP 2113965 A1

EP 2113965 A1 20091104 - Dual feed multiband antenna and a portable radio communication device comprising such an antenna

Title (en)

Dual feed multiband antenna and a portable radio communication device comprising such an antenna

Title (de)

Merhband Antenne mit doppelter Speisung und tragbare Funkkommunikationsvorrichtung mit solcher Antenne

Title (fr)

Antenne multibande à double alimentation et dispositif de communication radio portable comportant une telle antenne

Publication

EP 2113965 A1 20091104 (EN)

Application

EP 08155275 A 20080428

Priority

EP 08155275 A 20080428

Abstract (en)

The present invention relates to an antenna device for a portable radio communication device, comprising a first radiating element (1) having a first feed portion (5), a second radiating element (2) having a second feed portion (6), a first filter (3) and a second filter (4), wherein said first and second radiating elements (1, 2) are interconnected through said first filter (3), said first radiating element (1) is configured to be tuned to a first frequency band, and said second radiating element (2) is configured to be tuned to a second frequency band, wherein said first radiating element (1) is configured to be fed by at least said first frequency band and a third frequency band lower than said first frequency band and said second frequency band through said first feed portion (5), said second radiating element (2) is configured to be fed by said second frequency band through said second filter (4), said first filter (3) is configured to block said first and second frequency bands and pass said third frequency band, and said second filter (4) is configured to block said third frequency band and pass said second frequency band.

IPC 8 full level

H01Q 9/42 (2006.01); H01Q 1/24 (2006.01); H01Q 5/00 (2006.01); H01Q 5/321 (2015.01); H01Q 9/04 (2006.01)

CPC (source: EP)

H01Q 1/243 (2013.01); H01Q 5/321 (2015.01); H01Q 9/0421 (2013.01); H01Q 9/42 (2013.01)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

DE

Designated extension state (EPC)

AL BA MK RS

DOCDB simple family (publication)

EP 2113965 A1 20091104; CN 102017291 A 20110413; CN 102017291 B 20131009; WO 2009134198 A1 20091105

DOCDB simple family (application)

EP 08155275 A 20080428; CN 200980115152 A 20090424; SE 2009050431 W 20090424