Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Reexamination Certificate
2007-11-20
2007-11-20
Owens, Douglas W. (Department: 2821)
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
C343S821000, C343S747000, C343S797000
Reexamination Certificate
active
11504457
ABSTRACT:
Described is a dipole which may includes a feed line electrically coupled to a first antenna element; a balun electrically coupled to a second antenna element; and a short assembly slidably coupled to the feed line and the balun to create a short circuit at variable distances along the feed line and the balun.
REFERENCES:
patent: 3618105 (1971-11-01), Bruene et al.
patent: 6642902 (2003-11-01), Gustafson
patent: 7116281 (2006-10-01), Rankin
Fay Kaplun & Marcin LLP
Owens Douglas W.
Symbol Technologies Inc.
Tran Chuc
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