Patent · US Expired

Transmission line switch

US4119931A · kind A · utility

5Cited by
4References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 6, 1976
Grant dateOct 10, 1978
Priority date
Expiry dateJul 6, 1996

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01P1/125
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A TEM-mode transmission line switch coupling essentially all input power at a first port to a fourth port when in its uncoupled position and coupling a predetermined significant fraction of the input power to a second port with the remainder coupled to the fourth port when in its coupled position, the switch including a relatively wide spaced parallel transmission line section with a rotatable conductive vane disposed between the parallel lines to allow coupling of power between the lines in the coupled position and inhibit such coupling in the uncoupled position.

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