Patent · US Expired

Summing network

US5689219A · kind A · utility

136Cited by
12References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 13, 1996
Grant dateNov 18, 1997
Priority date
Expiry dateFeb 13, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01P1/213
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A summing network for combining and feeding radio frequency signals supplied by radio transmitters to common antenna means, includes conductors, connectors and a stub. In order to make the tuning of the summing network easier, the stub includes a changer for changing the electrical length of the summing network as a response to a control signal fed to the stub.

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