An antenna having at least one main element and a plurality of parasitic elements. At least
some of the elements have coupling elements or devices associated With them, the coupling …

A switch arrangement comprises a plurality of MEMS switches arranged on a substrate
about, and close to, a central point, each MEMS switch being disposed on a common …

4,782,346 A 11/1988 Sharma......... 343/795 6,046,659 A 4/2000 LOO et a1 '_ 333/362
4,803,494 A 2/1989 Norris et al................ 343/770 6,054,659 A 4/2000 Lee et a1, _ ZOO/181 …

Leaky wave antenna beam steering that is capable of steering in a backward direction, as
well as further down toward the horizon in the forward direction than was previously …

The principle and experimental validation of a frequency-and polarization-reconfigurable
antenna using switching PIN diodes is presented in this letter. The antenna is based on a …

(57) ABSTRACT A slot antenna for receiving and/or transmitting a RF signal at a desired one
of a plurality of different frequencies. The slot antenna includes at least one conductive sheet …

An adaptive surface has a dielectric surface with a repeating pattern of electrically
conductive structures disposed thereon or therein, the dielectric surface in combination with …

Introduces timed arrays and design approaches to meet the new high performance
standards The author concentrates on any aspect of an antenna array that must be viewed …

A patch antenna is composed of a segmented patch and MEMS switches which are built on
a substrate. The patch segments of the segmented patch can be electrically connected to …

L transmitting/receiving a RF signal at a plurality of different frequencies.
Transmitting/receiving a RF signal at a plurality of different frequencies is achieved by …