Title:
BAND-STOP FILTER
Document Type and Number:
Japanese Patent JP2013042477
Kind Code:
A
Abstract:
To provide a filter having two rejection frequencies that is compact and with little loss.
A band rejection filter includes a first signal transmission channel 3, called a direct channel, and a second signal transmission channel 4, called a secondary channel, which are located between filter input 1 and filter output 2 and coupled together at the filter input and the filter output. The direct channel and the secondary channel are designed to introduce at a first rejection frequency a phase difference of 180° between the signal circulating via the direct channel and the signal circulating via the secondary channel. The secondary channel 4 includes a filtering element 5 of a second rejection frequency.
Inventors:
DOMINIQUE RO HINTON
JEAN-YVES LE NAOUR
JEAN-LUC ROBERT
LOUZIR ALI
JEAN-YVES LE NAOUR
JEAN-LUC ROBERT
LOUZIR ALI
Application Number:
JP2012106085A
Publication Date:
February 28, 2013
Filing Date:
May 07, 2012
Export Citation:
Assignee:
THOMSON LICENSING
International Classes:
H01P1/203; H03H7/075; H04B1/10
Domestic Patent References:
| JP2005198167A | 2005-07-21 |
Foreign References:
| EP2251927A1 | 2010-11-17 |
Attorney, Agent or Firm:
Patent Business Corporation Tani/Abe Patent Office
Previous Patent: JP2013042476
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