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Class Information
Number: 343/801
Name: Communications: radio wave antennas > Antennas > Balanced doublet - centerfed (e.g., dipole) > Three or more collinear units form doublet
Description: Subject matter wherein the active conductive masses are of elongated shape and are longitudinally divided into at least three discrete portions which are substantially aligned along their longitudinal axes.

Patents under this class:

Patent Number Title Of Patent Date Issued
8681061 Detachable antenna for radio communications device Mar. 25, 2014
8674896 Dipole antenna Mar. 18, 2014
8416140 Integrated resonator and dipole for radiation of high power RF energy Apr. 9, 2013
8228257 Broadband antenna system allowing multiple stacked collinear devices Jul. 24, 2012
8054236 Broadband lossless dipole antenna Nov. 8, 2011
7969378 Radio antenna assembly Jun. 28, 2011
7852282 System and method for excluding electromagnetic waves from a protected region Dec. 14, 2010
7145517 Asymmetric flat dipole antenna Dec. 5, 2006
7098861 Hooked stub collinear array antenna Aug. 29, 2006
7042415 Dual band and broadband flat dipole antenna May. 9, 2006
6965353 Multiple frequency band antenna and signal receiving system using such antenna Nov. 15, 2005
6771227 Collinear antenna structure Aug. 3, 2004
6720934 Parallel fed collinear dipole array antenna Apr. 13, 2004
6608599 Printed conductive mesh dipole antenna and method Aug. 19, 2003
6518934 Parasitically driven dipole array Feb. 11, 2003
6486848 Circular polarization antennas and methods Nov. 26, 2002
6249261 Polymer, composite, direction-finding antenna Jun. 19, 2001
5898411 Single-element, multi-frequency, dipole antenna Apr. 27, 1999
5568161 Sectionalized antenna Oct. 22, 1996
5187488 Tunable high-frequency antenna Feb. 16, 1993
5087922 Multi-frequency band phased array antenna using coplanar dipole array with multiple feed ports Feb. 11, 1992
4872021 Collinear dipole array with inductive and capacitive phasing Oct. 3, 1989
4789869 Dipole antenna for monitoring electromagnetic waves over an extended frequency range Dec. 6, 1988
4410893 Dual band collinear dipole antenna Oct. 18, 1983
4203118 Antenna for cross polarized waves May. 13, 1980
4186403 Antenna formed of non-uniform series connected sections Jan. 29, 1980
4087823 Broadband dipole antenna system having three collinear radiators May. 2, 1978
4031537 Collinear dipole array with reflector Jun. 21, 1977

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