Patent EP0023933A1 successfully refreshed from Google Patents.
← Back to Patent Explorer
EP0023933A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Antenna system for transmitting circularly or linearly polarized microwaves

Assignee: Airbus Defence and Space GmbH
•
Filing: 1979-08-13
•
Granted: —
•
Expires: 1999-08-13
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract 1. An antenna arrangement (1) for the radiation of circularly or linearly polarised microwaves, consisting of a horn radiator (3; 6) the inside of which is grooved and the, for example elliptical, cross-sections of which, consecutive in the longitudinal direction, are geometrically similar, a connecting wave guide (2; 5) the inside cross-section of which has a different axis ratio and/or a different, for example circular (2), square or rectangular (5), contour shape from the cross-sections of the horn radiator, and a transition piece (AA'-BB') for simple conversion of the wave propagation mode in the connecting wave guide into the desired mode in the horn radiator, characterised in that the transition piece is so formed, without intercalation of a specific transition element, that the walls of the horn radiator (3; 6) itself and those of the connecting wave guide (2; 5) itself extend on their contour, at each point, without change of the contour shape linearly and respectively as far as to where they encounter the other wall along with the formation of a corresponding curve of intersection.

Inventors

  • 👤 V. Dr. Eindhoven University Of Techn. Vokurka

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-09 13:14
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/02; H01Q13/0208; H01Q13/0225

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

DE1271229B Cited
US3534377A Cited
DE2005440A1 Cited
DE2161895B2 Cited
DE2438504A1 Cited
DE2505375A1 Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag