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Current content: 156 978 933 patent documents

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2 331 667 documents amended

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EP 0299616 A2 19890118 - A waveguide arrangement.

Title (en)

A waveguide arrangement.

Title (de)

Wellenleitervorrichtung.

Title (fr)

Dispositif à guides d'ondes.

Publication

EP 0299616 A2 19890118 (EN)

Application

EP 88305248 A 19880609

Priority

GB 8716508 A 19870714

Abstract (en)

A waveguide arrangement is formed by two conductive sections separated by an insulating substrate. The waveguide walls are delined by channels cut in the conductive sections and slots plated with conductive material in the insulating substrate.

IPC 1-7

H01P 3/12; H01P 11/00

IPC 8 full level

H01P 3/12 (2006.01); H01P 11/00 (2006.01)

CPC (source: EP)

H01P 3/12 (2013.01); H01P 11/002 (2013.01)

Designated contracting state (EPC)

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

DOCDB simple family (publication)

GB 2207009 A 19890118; GB 8716508 D0 19870819; EP 0299616 A2 19890118; EP 0299616 A3 19900328

DOCDB simple family (application)

GB 8716508 A 19870714; EP 88305248 A 19880609