Patent · US Expired

Semi-lumped element coupler

US4011528A · kind A · utility

13Cited by
4References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 14, 1975
Grant dateMar 8, 1977
Priority date
Expiry dateJul 14, 1995

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01P5/185
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A coupling circuit for use at microwave frequencies comprising two conductors each having substantially the shape of a W, which conductors are deposited on a substrate in a manner so that the bases of W's oppose one another to form two semi-lumped capacitances of different susceptance, separated by phasing line lengths.

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