Meta-element antenna and array

DF Sievenpiper - US Patent 7,068,234, 2006 - Google Patents
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 …

High quality-factor tunable resonator

A Brown, G Rebeiz - US Patent 6,452,465, 2002 - Google Patents
(57) ABSTRACT A high quality-factor, tunable radio frequency or microWave resonator is
disclosed. The resonator includes one or more microelectromechanical sWitches positioned …

Single-pole multi-throw switch having low parasitic reactance, and an antenna incorporating the same

DF Sievenpiper - US Patent 7,276,990, 2007 - Google Patents
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 …

Method and system for fabrication of integrated tunable/switchable passive microwave and millimeter wave modules

H Tilmans, E Beyne, H Jansen, W De Raedt - US Patent 6,876,056, 2005 - Google Patents
An interconnect module and a method of manufacturing the same is described comprising: a
substrate, an interconnect section formed on the substrate, and a variable passive device …

Mems-tuned high power, high efficiency, wide bandwidth power amplifier

RC Luetzelschwab, RD Streeter… - US Patent 6,992,543, 2006 - Google Patents
N ffa plurality of MEMS Switches each having a control input for receiving a corresponding
control Signal, a first terminal coupled to the Second end of a corresponding one of the …

Micro-electromechanical system and voltage shifter, method of synchronizing an electronic system and a micromechanical system of a micro-electromechanical …

JN Shenoy, S Bothra - US Patent 6,127,811, 2000 - Google Patents
System and Voltage shifter, method of Synchronizing an electronic System and a
micromechanical System of a micro electromechanical System. According to one aspect, the …

Adaptive beam forming antenna system using a tunable impedance surface

DF Sievenpiper, JH Schaffner, GL Tangonan - US Patent 7,245,269, 2007 - Google Patents
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 …

Steerable leaky wave antenna capable of both forward and backward radiation

DF Sievenpiper - US Patent 7,071,888, 2006 - Google Patents
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 …

Microelectro-mechanical system actuator device and reconfigurable circuits utilizing same

CO Bozler, RG Drangmeister, RJ Parr… - US Patent …, 2000 - Google Patents
The invention is the mechanism which provides the aforementioned tuning capabilities. One
application of the invention is to fabricate an array of microelectro-mechanical system …

Large-scale adaptive surface sensor arrays

D Gregoire, CG Massey, DF Sievenpiper - US Patent 7,307,589, 2007 - Google Patents
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 …