Global Patent Index - EP 0127527 B1

EP 0127527 B1 19910227 - ADJUSTMENT METHOD, ESPECIALLY A FREQUENCY ADJUSTMENT METHOD OF A PRINTED MICROSTRIP FILTER, AND FILTER OBTAINED BY THIS METHOD

Title (en)

ADJUSTMENT METHOD, ESPECIALLY A FREQUENCY ADJUSTMENT METHOD OF A PRINTED MICROSTRIP FILTER, AND FILTER OBTAINED BY THIS METHOD

Publication

EP 0127527 B1 19910227 (FR)

Application

EP 84401028 A 19840518

Priority

FR 8309008 A 19830531

Abstract (en)

[origin: US4638271A] A method is provided for adjusting the electrical characteristics and particularly the frequency of a microstrip-line printed filter with distributed constants. The method consists in depositing a strip of dielectric material on all the microstrip resonators of the filter.

IPC 1-7

H01P 1/203

IPC 8 full level

H01P 1/203 (2006.01); H01P 7/08 (2006.01)

CPC (source: EP US)

H01P 1/203 (2013.01 - EP US)

Designated contracting state (EPC)

DE GB

DOCDB simple family (publication)

EP 0127527 A1 19841205; EP 0127527 B1 19910227; DE 3484149 D1 19910404; FR 2547116 A1 19841207; FR 2547116 B1 19851025; JP S59230302 A 19841224; US 4638271 A 19870120

DOCDB simple family (application)

EP 84401028 A 19840518; DE 3484149 T 19840518; FR 8309008 A 19830531; JP 10767084 A 19840529; US 61408384 A 19840525