Patent · US Expired

Tunable waveguide bandpass filter

US4761625A · kind A · utility

29Cited by
7References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 20, 1986
Grant dateAug 2, 1988
Priority date
Expiry dateJun 20, 2006

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01P1/207
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A waveguide bandpass filter includes a fenestrated conductive septum which may be printed on a dielectric circuit board. The center frequency is tuned by a dielectric plate parallel with the septum and contiguous with the fenestrations which is movable in a direction orthogonal to the septum.

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