Patent · US Expired

Recursive saw-filter with a low chip length

US6909342B2 · kind B2 · utility

2Cited by

16References

11Claims

0Family size

Assignee

EPCOS AG · DE

Inventors

Andreas Bergmann · Berlin, DE
Joachim Gerster · Alzenau, DE

Key dates

Filing date	Apr 30, 2001
Grant date	Jun 21, 2005
Priority date	—
Expiry date	Apr 30, 2021

Classification

Technology area (CPC H)Electricity
CPC primaryH03H9/14547
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

A recursive surface-active wave filter with directed reflection is provided that such that the desired transmission behavior is modeled by superimposing the signals of three electrically interconnected individual tracks.

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