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You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 155 263 406 patent documents

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215 613 new documents added

1 342 057 documents amended

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EP 1258941 A2 20021120 - Minimum order UHF TV coupled-cavities broadcasting filter

Title (en)

Minimum order UHF TV coupled-cavities broadcasting filter

Title (de)

Mimimumordnungsfilter mit gekoppelten Topfkreisen für UHF-Fernsehübertragung

Title (fr)

Filtre ordre minimal avec cavités couplées pour canaux de télévision UHF

Publication

EP 1258941 A2 20021120 (EN)

Application

EP 02425250 A 20020422

Priority

IT SO20010002 A 20010518

Abstract (en)

UHF TV broadcasting band pass filter featuring four cylindrical square-cavity resonators with generalized couplings and Cascade Quadruplet configuration with a sign reversal between the middle resonators, the filter end sections being coupled to the input and output connectors by means of adjustable rotating probes. <IMAGE>

IPC 1-7

H01P 1/205

IPC 8 full level

H01P 1/205 (2006.01)

CPC (source: EP)

H01P 1/2053 (2013.01)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 1258941 A2 20021120; EP 1258941 A3 20030827; IT SO20010002 A1 20021118

DOCDB simple family (application)

EP 02425250 A 20020422; IT SO20010002 A 20010518