Antenna

Communications: radio wave antennas – Antennas – Microstrip

Reexamination Certificate

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Details

C343S702000, C343S834000, C343S846000

Reexamination Certificate

active

07061430

ABSTRACT:
An antenna is disclosed. The antenna has a first element including an unbalanced antenna with a feed point, and a second element. The second element has a spaced relationship with the first element, and includes a balanced antenna arranged to be electromagnetically coupled to the first element. Embodiments of the invention exhibit relatively high Pattern Averaged Gain (PAG).

REFERENCES:
patent: 5585807 (1996-12-01), Takei
patent: 5760745 (1998-06-01), Endo et al.
patent: 5966097 (1999-10-01), Fukasawa et al.
patent: 6225951 (2001-05-01), Holshouser et al.
patent: 0 923 158 (1999-06-01), None
patent: 1 102 347 (2001-05-01), None
patent: 1 526 505 (1978-09-01), None
patent: WO 99/63616 (1999-12-01), None
European Search Report.
Sakai, S, et al: “Directivity Gain Enhancement of Small Antenna by Parasitic Patch”, Antennas and Propagation Society International Symposium, 1998, IEEE Atlanta, Ga., USA Jun. 21-26, 1998, New York, NY, USA, IEEE, US, Jun. 21, 1998, pp. 320-323, XP010291893, ISBN: 0-7803-4478-2.

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