Wideband loop antenna

Details Wideband loop antenna Wideband loop antenna

2008-03-11

2008-03-11

Phan, Tho (Department: 2821)

Communications: radio wave antennas

Antennas

With radio cabinet

C343S741000, C343S866000

Reexamination Certificate

active

07342539

ABSTRACT:
The present invention relates to a wireless communication device and an antenna arrangement in such a device, where a loop antenna element (18) comprises: a first section (20) provided in and extending a length in first plane, a second section (22) spaced from, provided in and extending a length in the first plane, a third section (24) in a second plane parallel to the first plane, aligned with the first and second sections, and a fourth (26) and a fifth section (28) interconnecting antenna sections in the first and second planes. The sections form a three-dimensional structure having a substantial two-dimensional extension in at least one of the first and second planes. The second section extends along the same line as the first section or has a curvature, which is a continuation of the curvature of the first section. Thereby a small wideband antenna requiring a small ground plane is obtained.

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International Preliminary Examination Report PCT/EP 03/11532, undated.
EP Communication Pursuant to Article 96(2) EPC, for EP Application No. 02 024 241.8, mailed Oct. 9, 2006.
Yongho Kim et al;A Folded Loop Antenna System for Handsets Developed and Based on the Advanced Design Concept; IEICE Trans. Commun. vol. E84-B, No. 9, Sep. 2001.

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