Patent · US Expired

Amplifier having a variable propagation constant

US4270103A · kind A · utility

9Cited by
3References
5Claims
0Family size

Inventor

Key dates

Filing dateMar 22, 1979
Grant dateMay 26, 1981
Priority date
Expiry dateMar 22, 1999

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03G9/025
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A compander system wherein, for compatibility with systems of constant amplification, dynamic compression and expansion are effected only within a limited level range.

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