Communications: radio wave antennas – Antennas – With grounding structure
Patent
1998-11-17
2000-04-11
Le, Hoanganh
Communications: radio wave antennas
Antennas
With grounding structure
343700MS, H01Q 148, H01Q 138
Patent
active
060493143
ABSTRACT:
An antenna is formed from a single sheet of generally planar metal that is cut to provide four geometric antenna shapes that comprise a ground plane element, a two-section shorting element that is defined by two generally parallel fold lines, a radiating element, and an arm that has one end fixed to a generally central portion of the radiating element and has a free end that extends toward a fold line. Folding the metal sheet on the two fold lines positions the radiating element above the ground plane element. A transmit/receive coaxial cable is aligned with a gap that is formed between the two sections of the shorting element. The cable's outer metal sheath is connected to a metal tab, and the metal tab is secured to a surface of the ground plane element. The cable's center conductor is secured to a surface of the radiating element. A radome and its mounting tab complete the antenna assembly.
REFERENCES:
patent: 4835541 (1989-05-01), Johnson et al.
patent: 4867552 (1989-09-01), Zakman
patent: 5355142 (1994-10-01), Marshall et al.
patent: 5444453 (1995-08-01), Lalezari
patent: 5532707 (1996-07-01), Klinger et al.
Munson Robert Eugene
Negler Joseph Theofil
Hancock E. C.
Ho Tan
Le Hoang-anh
Sirr F. A.
Xertex Technologies, Inc.
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