Global Patent Index - EP 1004149 A1

EP 1004149 A1 2000-05-31 - WAVEGUIDE FILTER

Title (en)

WAVEGUIDE FILTER

Title (de)

HOHLLEITERFILTER

Title (fr)

FILTRE A GUIDES D'ONDES

Publication

EP 1004149 A1 (DE)

Application

EP 98947357 A

Priority

  • DE 9802133 W
  • DE 19736367 A

Abstract (en)

[origin: DE19736367A1] The waveguide filter includes input and output step transformer area (1,3) and an area with waveguide sections which alternate in the height. A band stop filter (4,5) is integrated in the transformer areas in form of at least two consecutive stop members. (41,42,43,51,52,53). An Independent claim is included for application of the waveguide filter as low-pass filter in a transmission branch of a HF power amplifier, especially traveling wave tube amplifier for satellite.

IPC 1-7 (main, further and additional classification)

H01P 1/211

IPC 8 full level (invention and additional information)

H01P 1/211 (2006.01)

CPC (invention and additional information)

H01P 1/211 (2013.01)

Citation (search report)

See references of WO 9910947A1

Designated contracting state (EPC)

DE FR GB IT

EPO simple patent family

DE 19736367 A1 19990225; CA 2300937 A1 19990304; CA 2300937 C 20040511; EP 1004149 A1 20000531; EP 1004149 B1 20011121; US 6285267 B1 20010904; WO 9910947 A1 19990304

INPADOC legal status


2005-07-28 [PG25 IT] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: IT

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20050728

2005-04-29 [REG FR ST] NOTIFICATION OF LAPSE

2005-03-31 [PG25 FR] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: FR

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20050331

2005-03-23 [GBPC] GB: EUROPEAN PATENT CEASED THROUGH NON-PAYMENT OF RENEWAL FEE

- Effective date: 20040728

2004-07-28 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: GB

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20040728

2003-07-21 [PGFP FR] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

- Ref Country Code: FR

- Payment date: 20030721

- Year of fee payment: 6

2003-07-10 [PGFP GB] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

- Ref Country Code: GB

- Payment date: 20030710

- Year of fee payment: 6

2003-02-01 [PG25 DE] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: DE

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20030201

2002-11-13 [26N] NO OPPOSITION FILED

2002-10-09 [RAP2] TRANSFER OF RIGHTS OF AN EP GRANTED PATENT

- Owner name: TESAT-SPACECOM GMBH & CO. KG

2002-03-15 [ET] FR: TRANSLATION FILED

2002-03-13 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20020216

2002-02-21 [REF] CORRESPONDS TO:

- Document: DE 59802752 20020221

2002-01-01 [REG GB IF02] EUROPEAN PATENT IN FORCE AS OF 2002-01-01

2001-11-21 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): DE FR GB IT

2000-09-13 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20000728

2000-05-31 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000321

2000-05-31 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB IT