Communications: radio wave antennas – Antennas – Slot type
Reexamination Certificate
2007-06-07
2009-06-23
Nguyen, Hoang V (Department: 2821)
Communications: radio wave antennas
Antennas
Slot type
C343S767000
Reexamination Certificate
active
07551145
ABSTRACT:
An antenna (10) having a top (14), a bottom (16), and a longitudinal axis (20). An outer shell (12) of electrically conductive material is provided which is coaxial with the longitudinal axis, and which includes an outer top wall (22) joining with an outer side wall (24) that extends toward the bottom of the antenna. The shell defines an interior region (18) that is filled with a dielectric material, and the shell has at least one slot (30) with opposed slot ends. Each slot extends from one opposed slot end in the side wall, and at least partially across the top wall to an opposed other slot end. A coaxial feed (32) extends from the bottom of the antenna to the top of the antenna, to convey electromagnetic energy to or from the top wall of the antenna.
REFERENCES:
patent: 5202697 (1993-04-01), Bonebright et al.
patent: 6646618 (2003-11-01), Sievenpiper
patent: 6992637 (2006-01-01), Hwang et al.
patent: 7091920 (2006-08-01), Yuanzhu
patent: 2006/136810 (2006-12-01), None
PCT Written Opinion of the International Search Authority in Int. App. No. PCT/US2007/086859 dated Oct. 31, 2008.
PCT International Search Report in Int. App. No. PCT/US2007/086859 dated Oct. 31, 2008.
Nguyen Hoang V
Patent Venture Group
Roberts Raymond E.
Wide Sky Technology, Inc.
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