Patent · US Expired

Tunable matching circuit

US7221327B2 · kind B2 · utility

120Cited by
144References
23Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 5, 2004
Grant dateMay 22, 2007
Priority date
Expiry dateJul 14, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04B1/0053
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

The present invention provides for low loss tunable matching circuits at rf frequencies. Ferro-electric materials are used to produce low loss tunable capacitors and inductors for use in matching circuits.

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