Patent · US Expired

Impedance element

US4599587A · kind A · utility

18Cited by
4References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 3, 1984
Grant dateJul 8, 1986
Priority date
Expiry dateDec 3, 2004

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03H9/25
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

An impedance element formed from a single-port, surface acoustic wave transucer which generates a conductance versus frequency response characteristic having first and second peaks separated by a valley at a predetermined frequency and which generates a susceptance versus frequency response characteristic having a substantially constant portion over a finite bandwidth on both sides of said predetermined frequency.

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