EP 0888647 A1 19990107 - HELIX ANTENNA WITH A BUILT-IN BROADBAND POWER SUPPLY, AND MANUFACTURING METHODS THEREFOR
Title (en)
HELIX ANTENNA WITH A BUILT-IN BROADBAND POWER SUPPLY, AND MANUFACTURING METHODS THEREFOR
Title (de)
WENDELANTENNE MIT INTEGRIERTER BREITBANDSPEISUNG UND VERFAHREN ZU DEREN HERSTELLUNG
Title (fr)
ANTENNE HELICE A ALIMENTATION LARGE BANDE INTEGREE, ET PROCEDES DE FABRICATION CORRESPONDANTS
Publication
Application
Priority
- FR 9700455 W 19970313
- FR 9603698 A 19960319
Abstract (en)
[origin: CA2248853A1] A resonant helical antenna including at least one helix consisting of at least two radiating wires (111 to 114) printed on a substrate, a miniaturised broadband radiating wire power supply structure printed on said substrate, and at least one hybrid coupler made of semi-localised elements, in order to reduce the size thereof, is disclosed. In the case of a quadrifilar helix consisting of four radiating wires, the power supply structure includes three hybrid couplers, e.g. a first 180~ hybrid coupler (12) connecting a power input and/or output (17) of said antenna to two intermediate outputs and/or inputs (18, 19) phase-shifted through 180~, and two 90~ hybrid couplers (13, 14) each connecting one of said intermediate outputs and/or inputs of said first hybrid coupler to one end of two of said radiating wires. The corresponding manufacturing methods are also disclosed.
IPC 1-7
IPC 8 full level
H01P 5/18 (2006.01); H01Q 11/08 (2006.01)
CPC (source: EP US)
H01P 5/222 (2013.01 - EP US); H01P 5/227 (2013.01 - EP US); H01Q 11/08 (2013.01 - EP US)
Citation (search report)
See references of WO 9735356A1
Designated contracting state (EPC)
DE ES GB IT
DOCDB simple family (publication)
WO 9735356 A1 19970925; AU 2165097 A 19971010; CA 2248853 A1 19970925; CN 1218582 A 19990602; DE 69707845 D1 20011206; DE 69707845 T2 20020529; EP 0888647 A1 19990107; EP 0888647 B1 20011031; ES 2165036 T3 20020301; FR 2746547 A1 19970926; FR 2746547 B1 19980619; US 6181295 B1 20010130
DOCDB simple family (application)
FR 9700455 W 19970313; AU 2165097 A 19970313; CA 2248853 A 19970313; CN 97194576 A 19970313; DE 69707845 T 19970313; EP 97914394 A 19970313; ES 97914394 T 19970313; FR 9603698 A 19960319; US 14298599 A 19990125