Patent · US Expired

Tunable microwave bandstop filter device

US5448210A · kind A · utility

7Cited by
6References
23Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 1, 1993
Grant dateSep 5, 1995
Priority date
Expiry dateMar 1, 2013

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01P1/2039
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A tunable microwave bandstop filter device comprises a main microwave transmission line (1), at least one filter cell comprising a coupled line segment (4) coupled to the main transmission line (1) and arranged parallel to and remotely from the latter, and also a tunable LC resonant circuit (5, 6). According to the invention, the tunable LC resonant circuit (5, 6) is placed between one of the ends of the line segment (4) and the main microwave transmission line (1).

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