Patent · US Expired

Dual-mode microwave filter

US6538535B2 · kind B2 · utility

6Cited by
5References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 29, 2001
Grant dateMar 25, 2003
Priority date
Expiry dateMay 29, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01P1/2082
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

The invention provides a dual-mode microwave filter, comprising a rectangular resonator of length l, height b, and width a operating in two distinct modes (m, 0, n) and (p, 0, q) from a single family of modes and presenting the same direction as the E field, and wherein coupling and mode excitation discontinuities are inductive and in the same direction.

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