Patent · US Expired

Filter switching circuit

US5499394A · kind A · utility

14Cited by
10References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 25, 1994
Grant dateMar 12, 1996
Priority date
Expiry dateMay 25, 2014

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03G5/14
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A filter switching circuit for switching between two or more filters. The filter switching circuit may be integrally formed upon an integrated circuit chip and may be advantageously utilized as a portion of a dual bandwidth receiver, such as employed in a radiotelephone, operable to receive both narrowband and wideband signals.

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