Patent · US Expired

Split ring resonator bandpass filter with differential output

US5017897A · kind A · utility

18Cited by
1References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 6, 1990
Grant dateMay 21, 1991
Priority date
Expiry dateAug 6, 2010

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01P5/10
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A bandpass filter (40) comprises a first microstrip split-ring resonator (12), having at least a first edge and a second edge, the first edge having a gap (20) therein, and an input. The bandpass filter (40) also comprises a second microstrip split-ring resonator (14), having at least a first edge and a second edge, the first edge being coupled to the second edge of the first microstrip split-ring resonator, and the second edge of the second microstrip split-ring resonator comprising a gap (26) therein and a balanced output (30, 32).

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