EP 0367347 A1 19900509 - UHF bandpass filter.
Title (en)
UHF bandpass filter.
Title (de)
UHF-Bandpassfilter.
Title (fr)
Filtre passe-bande UHF.
Publication
Application
Priority
FR 8814425 A 19881104
Abstract (en)
UHF band-pass filter comprising resonators each situated inside a cavity and mutually coupled by lines etched on a printed circuit. <IMAGE>
Abstract (fr)
Filtre passe-bande UHF comportant des résonateurs situés chacun dans une cavité et couplés entre eux par des lignes gravées sur un circuit imprimé.
IPC 1-7
IPC 8 full level
H01P 1/20 (2006.01); H01P 1/205 (2006.01); H01P 7/00 (2006.01)
CPC (source: EP US)
H01P 1/2053 (2013.01 - EP US)
Citation (search report)
- [Y] US 3693115 A 19720919 - EDSON WILLIAM A
- [Y] US 4740765 A 19880426 - ISHIKAWA YOUHEI [JP], et al
- [A] US 2519524 A 19500822 - WHEELER HAROLD A
- [A] PATENT ABSTRACTS OF JAPAN, vol. 12, no. 115 (E-599)[2962], 12 avril 1988; & JP-A-62 243 402 (MURATA MFG CO., LTD) 23-10-1987
- [A] PATENT ABSTRACTS OF JAPAN, vol. 11, no. 171 (E-512)[2618], 2nd juin 1987; & JP-A-62 005 702 (FUJITSU LTD) 12-01-1987
- [A] PATENT ABSTRACTS OF JAPAN, vol. 12, no. 232 (E-628)[3079], 30 Juin 1988; & JP-A-63 024 701 (MURATA MFG CO., LTD) 02-02-1988
- [A] SIEMENS-BAUTEILE-INFORMATIONEN, vol. 6, no. 6, decembre 1968, pages 200-201, Munich, DE; K. PICHLER et al.: "Vierkreis-UHF-Bandfilter YH AF 1010"
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0367347 A1 19900509; EP 0367347 B1 19940406; DE 68914396 D1 19940511; DE 68914396 T2 19941110; FR 2638902 A1 19900511; JP H02172301 A 19900703; US 4990869 A 19910205
DOCDB simple family (application)
EP 89202737 A 19891030; DE 68914396 T 19891030; FR 8814425 A 19881104; JP 28511489 A 19891102; US 43074389 A 19891101