Patent · US Expired

Microwave delay line incorporating a conductor with a variable cross-section for a travelling-wave tube

US4377770A · kind A · utility

0Cited by
5References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 22, 1980
Grant dateMar 22, 1983
Priority date
Expiry dateMay 22, 2000

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J23/26
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A helical microwave delay line for a travelling-wave tube, constituted by a conductor held in the envelope of the tube by insulating bars. The width of the conductor in contact with the supporting bars increases along the tube axis, particularly towards the microwave energy output.

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