Antenna device, wireless communication apparatus using the...

Details Antenna device, wireless communication apparatus using the... Antenna device, wireless communication apparatus using the...

2006-06-21

2010-02-02

Le, HoangAnh T (Department: 2821)

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

C343S893000, C343S853000

Reexamination Certificate

active

07656360

ABSTRACT:
An antenna device has semi-conductive antenna bodies each having a predetermined length, which are positioned on a dielectric substrate, and control electrodes that are respectively connected with the semi-conductive antenna bodies. Direct-current biased voltage applied across each of the control electrodes is controlled to switch each of the antenna bodies between their insulation state and their conductive state.

REFERENCES:
patent: 6987493 (2006-01-01), Chen
patent: 7242366 (2007-07-01), Shibata
patent: 7268738 (2007-09-01), Gothard et al.
patent: 2004/0256644 (2004-12-01), Kugler et al.
patent: 2005/0156797 (2005-07-01), Chiang et al.
patent: 2005/0212714 (2005-09-01), Chiang et al.
patent: 2001-24431 (2001-01-01), None
patent: 2004-128557 (2004-04-01), None
patent: 2005-510886 (2005-04-01), None
Kohei Mori, “Small Beam-Switched Antenna with RF Switch for Wireless LAN”, 34thEuropean Microwave Conference-Amsterdam, 2004, pp. 837-840.

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