Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Reexamination Certificate
2008-01-29
2008-01-29
Dinh, Trinh Vo (Department: 2821)
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
C343S793000, C343S7000MS
Reexamination Certificate
active
07324059
ABSTRACT:
A stub printed antenna (SPDA) and a method of designing the same are provided. The SPDA include: a substrate; dipole arms disposed at both surfaces of the substrate for transmitting/receiving a signal; a parallel metal strip line disposed at both surfaces of the substrate, and each having one end connected to each of the dipole arms; a stub disposed at both surfaces of the substrate, and connected to the other end of the parallel metal strip line; a coaxial probe connected to the junction of the parallel metal strip line and the stub for feeding signals; a hole for inserting an inner conductor of the coaxial probe; and a contact for connecting to an outer conductor of the coaxial probe.
REFERENCES:
patent: 6791506 (2004-09-01), Suganthan et al.
patent: 2002/0084943 (2002-07-01), Tsai et al.
patent: 2006/0187135 (2006-08-01), Maniwa et al.
patent: 2007/0024517 (2007-02-01), Shimoda
patent: 2007/0052610 (2007-03-01), Lee
Tefiku, F., et al. “Design of Broad-Band and Dual-Band Antennas Comprised of Series-Fed Printed-Strip Dipole Pairs”.IEEE Transactions on Antennas and Propagation. 2000. 48:895-900.
Chen, H., et al. “Feed for dual-band printed dipole antenna”.Electronics Letters.2004. 40:1320-1322.
Chen, G., et al. “A printed dipole antenna with microstrip tapered balun”.Microwave and Optical Technology Letters.2004. 40:344-346.
Lee Kwang-Chun
Lee Sung-Jun
Dinh Trinh Vo
Electronics and Telecommunications Research Institiute
Ladas & Parry LLP
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