Internal triple-band antenna

Details Internal triple-band antenna Internal triple-band antenna

2006-02-07

2006-02-07

Lee, Wilson (Department: 2821)

Communications: radio wave antennas

Antennas

With radio cabinet

C343S895000

Reexamination Certificate

active

06995714

ABSTRACT:
An internal antenna for use in a mobile handset is formed of a single conductive plate. The internal antenna includes a first meander-shaped portion having one or more slots, including a first bent portion bent downward at a side edge of the first meander-shaped portion; a second meander-shaped portion having one or more slots, including a second bent portion bent downward at an end of the second meander-shaped portion; and a common portion physically connected to the first and the second meander-shaped portion. The first meander-shaped portion together with the common portion forms a first radiating element and the second meander-shaped portion together with the common portion forms a second radiating element, the first radiating element having a first resonant frequency and the second radiating element having a second resonant frequency.

REFERENCES:
patent: 6320545 (2001-11-01), Nagumo et al.
patent: 6452551 (2002-09-01), Chen
patent: 6842143 (2005-01-01), Otaka et al.
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patent: 2002/0075190 (2002-06-01), Ghosh et al.
patent: 2003/0080905 (2003-05-01), Lin et al.
patent: 2003/0103007 (2003-06-01), Chiu et al.
patent: 2004/0001031 (2004-01-01), Sugimoto et al.
patent: 1198027 (2002-04-01), None
patent: 1221735 (2002-07-01), None
patent: 2001/011721 (2001-02-01), None
Gwo-Yun Lee et al., “Very-low Profile Bent Planar Monopole Antenna for GSM/DCS Dual-band Mobile Phone”, Microwave and Optical Technology Letters, vol. 34, No. 6, Sep. 20, 2002, pp. 406-409.

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