Tunable impedance surface

A tuneable impedance surface for steering and/or focusing a radio frequency beam. The tunable surface comprises a ground plane; a first plurality of elements disposed in an array a first distance from the ground plane, the distance being less than a wavelength of the radio frequency beam; and a seco...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SCHAFFNER JAMES H, LOO ROBERT Y, TANGONAN GREG, SIEVENPIPER DANIEL
Format:	Patent
Sprache:	eng
Schlagworte:	ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES RELAYS SELECTORS
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