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Brevets

Référencé par

Brevet citant Date de dépôt Date de délivrance Cessionnaire d'origine Titre
US398745423 juin 197519 oct. 1976GTE Sylvania Inc.Log-periodic longitudinal slot antenna array excited by a waveguide with a conductive ridge
US399007923 juin 19752 nov. 1976GTE Sylvania IncorporatedLog-periodic longitudinal slot antenna array excited by a waveguide with a conductive ridge
US429641626 oct. 197920 oct. 1981E-Systems, Inc.Dual mode log periodic monopole array
US45189675 mars 198221 mai 1985Ford Aerospace & Communications CorporationTapered-width leaky-waveguide antenna
US459459518 avr. 198410 juin 1986Sanders Associates, Inc.Circular log-periodic direction-finder array
US461623325 avr. 19847 oct. 1986Ford Aerospace & Communications CorporationTwin zig zag log periodic antenna
US465288910 déc. 198424 mars 1987Thomson-CSFPlane periodic antenna
US492226213 janv. 19891 mai 1990Her Majesty the Queen in right of Canada, as represented by the Minister of National DefenceLog-periodic slot antennas
US534728719 avr. 199113 sept. 1994Hughes Missile Systems CompanyConformal phased array antenna
US559633716 août 199521 janv. 1997Hazeltine CorporationSlot array antennas
US564878627 nov. 199515 juil. 1997TRW Inc.Conformal low profile wide band slot phased array antenna
US579008017 févr. 19954 août 1998Lockheed Sanders, Inc.Meander line loaded antenna
US632381424 mai 200127 nov. 2001BAE Systems Information and Electronic Systems Integration INCWideband meander line loaded antenna
US635959931 mai 200119 mars 2002BAE Systems Information and Electronic Systems Integration INCScanning, circularly polarized varied impedance transmission line antenna
US64043916 juil. 200111 juin 2002BAE Systems Information and Electronic System Integration INCMeander line loaded tunable patch antenna
US648015831 mai 200112 nov. 2002BAE Systems Information and Electronic Systems Integration Inc.Narrow-band, crossed-element, offset-tuned dual band, dual mode meander line loaded antenna
US648685027 avr. 200126 nov. 2002BAE Systems Information and Electronic Systems Integration Inc.Single feed, multi-element antenna
US649615120 août 200117 déc. 2002Northrop Grumman CorporationEnd-fire cavity slot antenna array structure and method of forming
US669033118 sept. 200210 févr. 2004Bae Systems Information and Electronic Systems Integration INCBeamforming quad meanderline loaded antenna
US677474518 sept. 200210 août 2004BAE Systems Information and Electronic Systems Integration IncActivation layer controlled variable impedance transmission line
US80680657 avr. 200929 nov. 2011BAE Systems Information and Electronic Systems Integration Inc.Concentric ring log-periodic slot direction finding antenna