EP 2565984 B1 20190821 - Primary radiator and antenna apparatus
Title (en)
Primary radiator and antenna apparatus
Title (de)
Primärstrahler und Antennenvorrichtung
Title (fr)
Radiateur primaire et appareil d'antenne
Publication
Application
Priority
- JP 2011185918 A 20110829
- JP 2012048076 A 20120305
Abstract (en)
[origin: EP2565984A1] Disclosed is a primary radiator in which a central portion (3) of a subreflector (2) is formed in a conical shape, grooves (4) extending, in relation to their depth direction, parallel to an axis of a circular waveguide (1) are formed cylindrically in a surrounding portion of the subreflector (2) surrounding the central portion (3) formed in a conical shape, and a portion extending from the grooves (4) formed in the surrounding portion of the subreflector (2) to a peripheral portion (5) of the subreflector (2) has a sloped structure which is formed in such a way that the peripheral portion (5) projects toward the circular waveguide (1).
IPC 8 full level
H01Q 19/19 (2006.01); H01Q 1/52 (2006.01); H01Q 19/13 (2006.01)
CPC (source: EP)
H01Q 1/528 (2013.01); H01Q 19/134 (2013.01); H01Q 19/193 (2013.01)
Citation (examination)
JP H01212102 A 19890825 - AGENCY IND SCIENCE TECHN
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2565984 A1 20130306; EP 2565984 B1 20190821; JP 2013066152 A 20130411; JP 5854888 B2 20160209
DOCDB simple family (application)
EP 12174634 A 20120702; JP 2012048076 A 20120305