Patent · US Expired

Multi-resonant, high-impedance electromagnetic surfaces

US6774867B2 · kind B2 · utility

34Cited by
6References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 23, 2002
Grant dateAug 10, 2004
Priority date
Expiry dateDec 23, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q15/008
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

An artificial magnetic conductor is resonant at multiple resonance frequencies. The artificial magnetic conductor is characterized by an effective media model which includes a first layer and a second layer. Each layer has a layer tensor permittivity and a layer tensor permeability having non-zero elements on the main tensor diagonal only.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.