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Current content: 159 361 214 patent documents

This week's update (25/10/2024 12:00 CET):

149 148 new documents added

988 023 documents amended

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EP 0202979 B1 19910130 - POLARIZATION-SELECTIVE REFLECTING DEVICE AND METHOD OF MAKING SUCH A DEVICE

Title (en)

POLARIZATION-SELECTIVE REFLECTING DEVICE AND METHOD OF MAKING SUCH A DEVICE

Publication

EP 0202979 B1 19910130 (FR)

Application

EP 86400808 A 19860415

Priority

FR 8506006 A 19850419

Abstract (en)

[origin: US4792811A] A microwave reflector having metallic surfaces and nonmetallic surfaces is perfectly reflecting for the waves of a first polarization and partly transparent for the waves of a second polarization orthogonal to the first. The reflector is primarily applicable to radar systems.

IPC 1-7

H01Q 19/195

IPC 8 full level

H01Q 19/195 (2006.01)

CPC (source: EP US)

H01Q 19/195 (2013.01 - EP US)

Designated contracting state (EPC)

DE GB IT NL SE

DOCDB simple family (publication)

FR 2580868 A1 19861024; FR 2580868 B1 19880408; CA 1256536 A 19890627; DE 3677256 D1 19910307; EP 0202979 A1 19861126; EP 0202979 B1 19910130; US 4792811 A 19881220

DOCDB simple family (application)

FR 8506006 A 19850419; CA 506958 A 19860417; DE 3677256 T 19860415; EP 86400808 A 19860415; US 85255786 A 19860416