Dual-band antenna

Details Dual-band antenna Dual-band antenna

2006-11-17

2008-10-07

Nguyen, Hoang V (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S846000, C343S767000, C343S770000

Reexamination Certificate

active

07432861

ABSTRACT:
A dual-band antenna (10) is provided. The dual-band antenna printed on a substrate (30) includes a transmission portion (120), a first radiator (140), a second radiator (160), a first grounded portion (180), and a second grounded portion (190). The transmission portion is used for feeding electromagnetic signals. The first radiator is electronically connected to the transmission portion for transceiving electromagnetic signals with a first frequency. The second radiator is electronically connected to the transmission portion for transceiving electromagnetic signals with a second frequency. The first grounded portion is disposed on a first surface of the substrate. The second grounded portion is disposed on a second surface of the substrate. A length of the second grounded portion is greater than that of the first grounded portion. An antenna assembly is also provided in the present invention.

REFERENCES:
patent: 6140966 (2000-10-01), Pankinaho
patent: 6861988 (2005-03-01), Gabriel et al.
patent: 6906678 (2005-06-01), Chen

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