Global Patent Index - EP 0434268 A2

EP 0434268 A2 19910626 - Microstrip antenna.

Title (en)

Microstrip antenna.

Title (de)

Mikrostreifenleiterantenne.

Title (fr)

Antenne à microbande.

Publication

EP 0434268 A2 19910626 (EN)

Application

EP 90313290 A 19901207

Priority

GB 8928589 A 19891219

Abstract (en)

The invention relates to a microstrip antenna (2) for radiating or receiving circularly polarised radiation. The antenna (2) includes an array of radiation elements (4), a first feed means (12) coupled to the elements (4) in a manner for effecting circular polarisation in a first sense of signals afforded to the elements (4), and further feed means (14) arranged in a non-overlapping relationship with respect to the first feed means (12) and coupled to the elements (4) in a manner for effecting circular polarisation in the opposite sense of signals afforded to the elements (4). <IMAGE>

IPC 1-7

H01Q 9/04; H01Q 21/00; H01Q 21/06

IPC 8 full level

H01Q 9/04 (2006.01); H01Q 21/00 (2006.01); H01Q 21/06 (2006.01)

CPC (source: EP)

H01Q 9/0435 (2013.01); H01Q 21/0075 (2013.01); H01Q 21/065 (2013.01)

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

EP 0434268 A2 19910626; EP 0434268 A3 19910821; EP 0434268 B1 19950215; AT E118655 T1 19950315; DE 69016972 D1 19950323; GB 8928589 D0 19900221

DOCDB simple family (application)

EP 90313290 A 19901207; AT 90313290 T 19901207; DE 69016972 T 19901207; GB 8928589 A 19891219