Patent · US Expired

Foam matching load

US4020427A · kind A · utility

2Cited by
1References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 17, 1976
Grant dateApr 26, 1977
Priority date
Expiry dateMay 17, 1996

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01P1/264
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A waveguide matched load device comprising a short-circuited rectangular tion with an energy absorbing material located approximately 1/4 of a wavelength from the short-circuited end.

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