Communications: radio wave antennas – Antennas – Spiral or helical type
Reexamination Certificate
2005-11-01
2005-11-01
Lee, Wilson (Department: 2821)
Communications: radio wave antennas
Antennas
Spiral or helical type
C343S795000, C343S803000
Reexamination Certificate
active
06961028
ABSTRACT:
An antenna includes a first dipole having first and second stripline radiating elements extending in opposite directions from a central feed point and along a generally rectangular outline of the antenna. The first dipole is operable to be resonant at a first frequency. The antenna also includes a second dipole having third and fourth stripline radiating elements extending in opposite directions from the central feed point and generally parallel to the first and second stripline radiating elements. The third and fourth stripline radiating elements generally follow and stay within the rectangular antenna outline. The second dipole is operable to be resonant at a second frequency. The antenna also includes a stripline balun electrically coupled to the central feed point and extending generally parallel with the first and second dipoles and along the rectangular antenna outline.
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Faton Tefiku, et al., “Design of Broad-Band and Dual-Band Antennas Comprised of Series-Fed Printed-Strip Dipole Pairs,” IEEE Transactions on Antennas and Propagation, vol. 48, No. 6, Jun. 2000, pp. 895-900.
Joy Philip
Reasoner Harold D.
Baudino James L.
Lee Wilson
Lockheed Martin Corporation
Munsch Hardt Kopf & Harr P.C.
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