Global Patent Index - EP 2026407 A1

EP 2026407 A1 2009-02-18 - Multi-band planar inverted-F antenna

Title (en)

Multi-band planar inverted-F antenna

Title (de)

Planare mehrbandige PIFA-Antennenanordnung

Title (fr)

Antenne planaire multibande de type PIFA

Publication

EP 2026407 A1 (EN)

Application

EP 07253190 A

Priority

EP 07253190 A

Abstract (en)

A multi-band planar inverted-F antenna includes a radiating unit (2), a ground unit (1) and a feeding unit (3). The radiating unit (2) includes a common radiating element (21), a high-frequency (HF) radiating element (22) and a low-frequency (LF) radiating element (23). A quasi U-shaped slot (233) is defined between the HF radiating element (22) and the LF radiating element (23). The ground unit (1) is electrically connected to one side of the common radiating element (21). The feeding unit (3) includes a strip (31) electrically connected to one side of the HF radiating element (22). The ground unit (1) includes a ground point (11) and an inverted-L short-line (12) connected to the ground point (11) at one end thereof. The inverted-L short-line (12) is also electrically connected to the common radiating element (21) at another end thereof. A loop surface current induced by the inverted-L short-line (12) can advantageously enhance bandwidth of the multi-band planar inverted-F antenna at frequencies of interest.

IPC 8 full level (invention and additional information)

H01Q 1/24 (2006.01); H01Q 1/36 (2006.01); H01Q 9/04 (2006.01)

CPC (invention and additional information)

H01Q 9/0421 (2013.01); H01Q 1/243 (2013.01); H01Q 1/36 (2013.01); H01Q 9/0442 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

EPO simple patent family

EP 2026407 A1 20090218

INPADOC legal status


2010-03-03 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20090819

2009-12-03 [REG DE 8566] DESIGNATED COUNTRY DE NOT LONGER VALID

2009-10-21 [AKX] PAYMENT OF DESIGNATION FEES

2009-02-18 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

2009-02-18 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: AL BA HR MK RS