Global Patent Index - EP 2025039 A1

EP 2025039 A1 2009-02-18 - Filter with cross shaped stubs

Title (en)

Filter with cross shaped stubs

Title (de)

Filter mit kreuzförmigen Stichleitungen

Title (fr)

Filtre avec stubs à croix

Publication

EP 2025039 A1 (FR)

Application

EP 07729806 A

Priority

  • EP 2007055410 W
  • FR 0652011 A

Abstract (en)

[origin: CA2654044A1] The invention concerns a method for making a microwave waveguide includin g: a step of determining the zone(s) (zl) of the guide (gl) where there is a n electric field concentration, and a step of forming at least one enlargeme nt (ell) of the waveguide in the zone(s) thus determined. The invention also concerns a microwave filter in which the stubs are provided with such enlar gements. The invention is suitable for use in microwave filters.

IPC 8 full level (invention and additional information)

H01P 1/209 (2006.01); H01P 3/123 (2006.01)

CPC (invention and additional information)

H01P 1/209 (2013.01); H01P 3/123 (2013.01); Y10T 29/49016 (2013.01)

Citation (search report)

See references of WO 2007141213A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

EPO simple patent family

FR 2901918 A1 20071207; FR 2901918 B1 20081205; AT 480019 T 20100915; CA 2654044 A1 20071213; CA 2654044 C 20141209; CN 101485041 A 20090715; CN 101485041 B 20120808; DE 602007008886 D1 20101014; EP 2025039 A1 20090218; EP 2025039 B1 20100901; ES 2349165 T3 20101228; JP 2009539291 A 20091112; JP 5076223 B2 20121121; US 2009237184 A1 20090924; US 8022788 B2 20110920; WO 2007141213 A1 20071213

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2010-03-10 [RTI1] TITLE (CORRECTION)

- Free text: FILTER WITH CROSS SHAPED STUBS

2009-04-15 [RIN1] INVENTOR (CORRECTION)

- Inventor name: SARASA, PABLO

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