Patent · US Expired

Helical wave guide

US4071834A · kind A · utility

18Cited by
5References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 7, 1976
Grant dateJan 31, 1978
Priority date
Expiry dateJun 7, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49016
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A helical wave guide comprising a hollow conductor coated on its outside with an electrically conductive screen and formed by an electrically conductive wire coated with a thermoplastic insulator, wound in a helix and welded turn by turn by surface melting of the thermoplastic insulator. It is applicable to signal transmission.

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