Patent · US Active

Antenna arrangement

US8576137B2 · kind B2 · utility

1Cited by

20References

16Claims

0Family size

Assignee

CELLMAX TECHNOLOGIES AB · SE

Inventors

Stefan Jonsson · Sollentuna, SE
Dan Karlsson · Solna, SE

Key dates

Filing date	Sep 19, 2008
Grant date	Nov 5, 2013
Priority date	—
Expiry date	Feb 8, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH01Q21/08
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

Antenna arrangement for a multi-radiator base station antenna, the antenna having a feeding network based on air filled coaxial lines (1, 2, 3), wherein each coaxial line comprises an outer conductor (8) and an inner conductor (4, 5, 6), wherein an adjustable differential phase shifter including a dielectric part (9) is arranged in the antenna and said dielectric part being movable longitudinally in relation to at least one coaxial line (1, 2, 3).

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