Communications: radio wave antennas – Antennas – Wave guide type
Reexamination Certificate
2008-05-13
2008-05-13
Le, Hoanganh (Department: 2821)
Communications: radio wave antennas
Antennas
Wave guide type
C343S772000
Reexamination Certificate
active
11211229
ABSTRACT:
Provided is a device for shaping a flat-topped element pattern using a circular polarization microstrip patch. The device includes: a microstrip patch feeding unit for generating circularly polarized signals of a basic mode; a circular waveguide for guiding the circular polarized signals and generating signals of high-order modes; and a pattern shaping unit for shaping FTEP through an electromagnetic mutual coupling between the signals of the high-order modes generated from the pattern shaping unit.
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patent: 2005/0110695 (2005-05-01), Jung et al.
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patent: 20030071996 (2003-09-01), None
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‘Methods of Constructing Optimum Phased-Array Antennas for Limited Field of View’ Skobelev, IEEE Antennas and Propagation Magazine, vol. 40, No. 2, Apr. 1998, pp. 39-49.
Ahn Do-Seob
Kang Byung-Su
Kim Yang-Su
Ku Bon-Jun
Electronics and Telecommunications Research Institute
Ladas & Parry LLP
Le Hoang-anh
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