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1. (WO2012107705) WAVEGUIDE ANTENNA HAVING ANNULAR SLOTS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2012/107705    International Application No.:    PCT/FR2012/050311
Publication Date: 16.08.2012 International Filing Date: 13.02.2012
IPC:
H01Q 21/00 (2006.01), H01Q 21/06 (2006.01), H01Q 1/24 (2006.01), H01Q 13/20 (2006.01), H01Q 13/10 (2006.01), H01Q 13/18 (2006.01)
Applicants: FRANCE TELECOM [FR/FR]; 78 Rue Olivier de Serres F-75015 Paris (FR) (For All Designated States Except US).
RATAJCZAK, Philippe [FR/FR]; (FR) (For US Only)
Inventors: RATAJCZAK, Philippe; (FR)
Agent: FRANCE TELECOM R&D/PIV/BREVETS; JEUNE Pascale 38-40 rue du Général Leclerc F-92794 Issy Moulineaux Cedex 9 (FR)
Priority Data:
1151122 11.02.2011 FR
Title (EN) WAVEGUIDE ANTENNA HAVING ANNULAR SLOTS
(FR) ANTENNE A BASE DE GUIDES A FENTES ANNULAIRES
Abstract: front page image
(EN)The present invention relates to a slotted waveguide antenna element (ElA) comprising at least one conductive surface (Fs) provided with at least one annular slot (Fan) which defines at the central portion thereof a conductive zone (Zc) and which electrically insulates said zone (Zc) from the rest of the surface (Fs).
(FR)La présente invention se rapporte à un élément antennaire (ElA) à guide à fente comportant au moins une face conductrice (Fs) pourvue d'au moins une fente (Fan) annulaire qui délimite en sa partie centrale une zone conductrice (Zc) et qui isole électriquement cette zone (Zc) du reste de la face (Fs).
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: French (FR)
Filing Language: French (FR)