Patent · US Expired

Horn antenna

US6278411A · kind A · utility

81Cited by

6References

14Claims

0Family size

Assignee

Saab Marine Electronics AB · SE

Inventors

Magnus Ohlsson · Norsholm, SE
Carina Marcus · Linköping, SE
Håkan Fredriksson · Linköping, SE

Key dates

Filing date	Dec 13, 1999
Grant date	Aug 21, 2001
Priority date	—
Expiry date	Dec 13, 2019

Classification

Technology area (CPC H)Electricity
CPC primaryH01Q13/02
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A horn antenna for transmitting microwaves. A conical horn includes a small opening and a large opening. A transition piece includes a tapering portion and a non-tapering portion. The transition piece is arranged in the conical horn between a waveguide and an environment that the horn antenna is arranged in. A transition between the tapering portion and the non-tapering portion is arranged between the small opening and the large opening of the conical horn. The non-tapering portion engages the small opening of the conical horn.

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