Inverted-F antenna and method of modulating impedance of the...

Details Inverted-F antenna and method of modulating impedance of the... Inverted-F antenna and method of modulating impedance of the...

2007-11-06

2007-11-06

Nguyen, Hoang V. (Department: 2821)

Communications: radio wave antennas

Antennas

With radio cabinet

C343S860000, C343S846000

Reexamination Certificate

active

11487867

ABSTRACT:
An inverted-F antenna (1) used in a portable electrical device formed in a metal patch and includes a radiating element (2), a grounding element (5), and an impedance matching element (3) with an impedance matching space (8). The impedance matching element (3) connects the radiating element (2) and the grounding element (5). A metal foil (7) locates in the impedance matching space and connects to the impedance matching element (3) for modulating impedance matching of the inverted-F antenna. A feeding line (4) includes an inner conductor (40) soldered with the impedance element (3) and a braiding layer (41) soldered with the grounding element (5).

REFERENCES:
patent: 6861986 (2005-03-01), Fang et al.
patent: 7034754 (2006-04-01), Hung et al.
patent: 2005/0073462 (2005-04-01), Lin et al.

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