EP 0959517 A1 19991124 - Low loss duplexer without adjustment
Title (en)
Low loss duplexer without adjustment
Title (de)
Justierfreier Duplexer mit niedrigem Verlust
Title (fr)
Duplexeur sans réglage à faibles pertes
Publication
Application
Priority
EP 98460013 A 19980518
Abstract (en)
The side passage inlets (6) have side walls (7) which have a dimension thickness and cross dimension (8,9) determining the filter functional characteristics.
IPC 1-7
IPC 8 full level
H01P 1/208 (2006.01); H01P 1/213 (2006.01)
CPC (source: EP US)
H01P 1/2138 (2013.01 - EP US)
Citation (search report)
- [X] FR 2346868 A1 19771028 - CIT ALCATEL [FR]
- [A] US 4890078 A 19891226 - RADCLIFFE CHRISTOPHER J [GB]
- [A] PATENT ABSTRACTS OF JAPAN vol. 13, no. 147 (E - 741) 11 April 1989 (1989-04-11)
- [A] PFITZENMAIER G: "LINEAR PHASE MICROWAVE BANDPASS FILTERS", PROCEEDINGS OF THE EUROPEAN MICROWAVE CONFERENCE, BRUSSEL, 4-7 SEPTEMBER, 1973, vol. 2, no. CONF. 3, 4 September 1973 (1973-09-04), HOFFMAN G, pages B.2.01, XP002073863
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0959517 A1 19991124; JP 2000013110 A 20000114; US 6191670 B1 20010220
DOCDB simple family (application)
EP 98460013 A 19980518; JP 13659699 A 19990518; US 31358999 A 19990518