Patent · US Expired

Rotary microwave joint device

US4757281A · kind A · utility

10Cited by
3References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 22, 1987
Grant dateJul 12, 1988
Priority date
Expiry dateApr 22, 2007

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01P1/067
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

The invention relates to a rotary microwave joint device comprising a main circular waveguide constituted by two portions (10, 11) situated as extensions to each other and rotatable relative to one another about their axis of symmetry, each of said two portions (10, 11) being provided with at least one access which is orthogonal thereto, and mechanical means enabling a circularly polarized wave to be obtained in the main waveguide. The invention is applicable to space telecommunications.

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