Apparatus and method for a multi-polarized antenna

Communications: radio wave antennas – Antennas – Microstrip

Reexamination Certificate

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Reexamination Certificate

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10787031

ABSTRACT:
A multi-polarized antenna for transmitting and/or receiving radio frequency (RF) signals, and a method for constructing same, is disclosed. The antenna comprises at least two radiative antenna elements each having a first end and a second end. The second ends of the antenna elements are electrically connected at an apex point and are disposed outwardly away from the apex point at an acute angle relative to and to a first side of an imaginary plane intersecting the apex point. The antenna also includes an electrically conductive ground plane located at and/or to a second side of the imaginary plane.

REFERENCES:
patent: 2218707 (1940-10-01), Franz
patent: 5805113 (1998-09-01), Ogino et al.
patent: 6100855 (2000-08-01), Vinson et al.
patent: 6714170 (2004-03-01), Kleinschmidt
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http://www.magneticsciences.com/MultibeamSATCOMantenna˜ns4.html, “Multiple Beam Antenna for Satellite Communications and LOS Communications”.
http://www.northcountryradio.com/Articles/discfig2.htm, “Discone Figures”.
http://kyleti.aswwc.net/index.php?page=projects&old—project+80211b—Discone, “Tim and David's 2.4 GHz802.11b Discone”.
http://www.wave-report.com/tutorials/OFDM.htm, “OFDM Tutorial”.
Broadband Wireless Internet Forum White Paper, “VOFDM Broadband Wireless Transmission and Its Advantages over Single Carrier Modulation; Document No. WP-1—TG-1,” Boradband Wireless Internet Forum, 1.2 ed., Broadband WIreless Internet Forum, p. 1-35, (Dec. 15, 2000).

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