EP 2047558 B1 20180815 - ISOTROPIC ANTENNA AND ASSOCIATED MEASUREMENT SENSOR
Title (en)
ISOTROPIC ANTENNA AND ASSOCIATED MEASUREMENT SENSOR
Title (de)
ISOTROPE ANTENNE UND DIESBEZÜGLICHER MESSSENSOR
Title (fr)
ANTENNE ISOTROPE ET CAPTEUR DE MESURE ASSOCIE
Publication
Application
Priority
- EP 2007057351 W 20070717
- FR 0653071 A 20060721
Abstract (en)
[origin: WO2008009667A1] The invention relates to an antenna which comprises four elementary IFA antennas, each elementary IFA antenna comprising a ground plane (1), a roof (2), a short-circuit (3) between the ground plane and the roof and an excitation means (4), the four elementary IFA antennas being distributed about an axis (Oz) as a first set of two IFA antennas having substantially equivalent elementary radiations and a second set of two IFA antennas having equivalent elementary radiations, the excitation means (4) of the four elementary IFA antennas being fed with radiofrequency signals of like amplitude whose phases follow a law which is substantially progressive in quadrature under rotation about the axis. Applications to motion sensors.
IPC 8 full level
H01Q 1/22 (2006.01); H01Q 9/04 (2006.01); H01Q 9/42 (2006.01); H01Q 21/24 (2006.01)
CPC (source: EP US)
H01Q 1/22 (2013.01 - EP US); H01Q 1/2208 (2013.01 - EP US); H01Q 9/0421 (2013.01 - EP US); H01Q 9/42 (2013.01 - EP US); H01Q 21/24 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2008009667 A1 20080124; EP 2047558 A1 20090415; EP 2047558 B1 20180815; FR 2904148 A1 20080125; FR 2904148 B1 20081024; US 2009322631 A1 20091231; US 8044864 B2 20111025
DOCDB simple family (application)
EP 2007057351 W 20070717; EP 07787617 A 20070717; FR 0653071 A 20060721; US 37429407 A 20070717