Patent · US Expired

Amplifiers

US4924190A · kind A · utility

2Cited by
3References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 21, 1988
Grant dateMay 8, 1990
Priority date
Expiry dateJul 21, 2008

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03G3/3084
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

The invention provides an amplifier having a feed-back path into which either of two different value resistances may be switched in dependance upon the level of the amplifier output.

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