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Class Number: 343 Class Title: COMMUNICATIONS: RADIO WAVE ANTENNAS Subclass Subclass Number Title 700 R ANTENNAS 701 .Having electric space discharge device 702 .With radio cabinet 703 .Measuring signal energy 704 .With ice clearer or preventer 705 .With aircraft 706 ..Lighter-than-air device 707 ..Trailing type 708 ..Aircraft part of active antenna or vice versa 709 .Waterborne (e.g., buoyant or with watercraft) 710 ..Watercraft part of active antenna or vice versa 711 .With vehicle 712 ..Vehicle part of active antenna or vice versa 713 ..Supported by vehicle body 714 ...Antenna adjustable from inside body 715 ...Rod type 716 ...Running board 717 ..Supported underneath vehicle 718 .Body-attached or connected 719 .Buried underground or submerged under water 720 .Combined with diverse-type art device 721 ..Light 722 .With lumped reactance filter in active antenna 723 .Single adjustable length electrically long linear antenna 724 .Convertible to different antennas 725 .Plural separate diverse type 726 ..Including balanced doublet and loop-type antennas 727 ..Including balanced doublet-type antenna 728 ..Including loop-type antenna 729 .Plural diverse-type antennas using same active element 730 ..Including balanced doublet-type antenna 731 .Traveling wave type 732 ..Circular loop 733 ..Rhombic 734 ...With feedback 735 ..Balanced V 736 ..Inverted V 737 ..Plural 738 ..With reflecting transformer 739 .With terminating resistance at open end 740 ..Balanced type 741 .High frequency type loops 742 ..Plural 743 ..Feed coupling at spaced points on loop 744 ..With series reactance in loop 745 .With variable reactance for tuning antenna 746 ..Slot type 747 ..Balanced doublet type 748 ..Loop type 749 .With lumped reactance for loading antenna 750 ..Adjustable reactance 751 ..Plural antennass 752 ..Reactance at free end of active antenna 753 .With spaced or external radio wave refractor (e.g., lens) 754 ..With scanning, sweeping, or orienting 755 ..With reflector 756 .With polarization filter or converter 757 .With means for moving directive antenna for scanning, sweeping or orienting 758 ..Plural relatively movable 759 ..Spiral motion 760 ..With signal, indicator or alarm 761 ..Reflector and antenna relatively movable 762 ..Wave guide type antenna 763 ..Rotary or rotary oscillatory motion 764 ...Loop-type antenna 765 ...In different planes 766 ...Motor-driven 767 .Slot type 768 ..With periodic control of slot or coupling 769 ..Ring-shaped slot 770 ..Plural 771 ...With wave guide coupling 772 .Wave guide type (e.g., horn) 773 ..Biconical horn type 774 ...Stacked 775 ...With reflector 776 ..Plural 777 ...With control of individual antenna (e.g., lobe switching or steering) 778 ...With phasing 779 ...With reflector 780 .."Pillbox" type 781 R ..With external reflector or director 782 ...With means reducing re-radiation into active antenna 781 P ...Plural reflectors 781 CA ...With main and subreflector (Casse-grain type) 783 ..With internal-wave refraction means 784 ..With closure 785 ..Dielectric type (e.g., polystyrene rod) 786 ..With horn 787 .Including magnetic material 788 ..Loop type 789 .Within conductive apertured wall 790 .Active sleeve surrounds feed line 791 ..With coaxial active rod 792 ..Doublet type 792.5 .Logarithmically periodic 793 .Balanced doublet - centerfed (e.g., dipole) 794 ..Diverse-type doublets 795 ..Sheet or wing type 796 ..Helically or angularly staggered plural doublets 797 ..Plural crossed (e.g., turnstile) 798 ...Plural groups (e.g., stacked) 799 ..Plural circumferentially arranged 800 ...Plural groups (e.g., stacked) 801 ..Three or more collinear units form doublet 802 ..Distributed reactance added to arms 803 ..Folded 804 ...Multiple conductor typee 805 ..Arms angularly adjustable (e.g., rabbit ears) 806 ..Bent arms (e.g., zigzag type) 807 ..Tapered, thick, or enlarged arms 808 ..Plural-rod arm forming V (e.g., conical arrangement) 809 ..Arms non-linearly arranged (e.g., resonant V type) 810 ..Plural 811 ...Fishbone-type array 812 ...Parallel arrangement 813 ....Parallel and collinear arrangement 814 ....With coupling network 815 ....With parasitic element (e.g., reflector or director) 816 ...With coupling network 817 ...With parasitic element (e.g., reflector or director) 818 ..With parasitic element (e.g., reflector or director) 819 ...With reflector and director 820 ..With coupling network or impedance in the leadin 821 ...Balanced to unbalanced circuit 822 ...Impedance matching network 823 ..Adjustable length 824 .Planar array of linear antennas 825 .Fractional, multiple, or full wave length linear type 826 ..Plural 827 ...Collinear arrangement 828 ..Non-uniformity in antenna 829 ..With grounding structure, including counterpoises 830 ...With coaxial feed line 831 ..Stub type 832 .Active antenna as reflector 833 .Antenna with parasitic director 834 .Antenna with parasitic reflector 835 ..Plural active antennas 836 ...Plural reflectors 837 ..Plural reflectors 838 ...Including a screening reflector 839 ..Reflector and active antenna relatively movable 840 ..Parabolic-type reflector with active antenna at focus 841 .With electrical shield 842 ..Loop-type antenna 843 .Having an appreciable wave length dimension 844 .Plural antennas spaced a fractional or full wave length apart 845 .With ground connection spaced from feed line connection 846 .With grounding structure (including counterpoises) 847 ..Insulated from or capacity coupled to ground 848 ..Artificial or substitute grounds (e.g., ground planes) 849 ..Modified natural grounds 850 .With coupling network or impedance in the leadin 851 ..With radiation suppressor (e.g., shield) 852 ..Plural path with impedance matching 853 ..With plural antennas 855 ...Loop antennas 856 ..Antenna forms transformer primary or secondary 857 ..Coupling at spaced points on antenna 858 ..Coupled to plural leadins 859 ..Balanced to unbalanced circuit 860 ..Impedance matching network 861 ...Adjustable 862 ...Including long line element 863 ....Taperedd 864 ....Quarter-wave transformer 865 ..Balanced coupling network to balanced antenna 866 .Loop type 867 ..Plural; plural or tapped coils 868 ..Adjustable configuration, area or coil length 869 ..With rotatable support 870 ..With connector or terminals 871 ..With collapsible or foldable frame 872 .With housing or protective covering 873 ..Antenna embedded, potted, or coated 874 .Mast or tower type 875 ..Sectional 876 .Switching between antennas and lines 877 .With reel for antenna 878 .With support for antenna, reflector or director 879 ..For plural separate antennas 880 ..Adjustable or collapsible support 881 ...Foldable 882 ...Pivoted or rotatable 883 ...Telescoping 884 ..Plural wire transmission line or wave guide as support 885 ..Stress distributing or static discharging means for support 886 ..Horizontally suspended between poles or standards 887 ..Streamline-shaped support 888 ..For supporting rod-like end portion of antenna 889 ...Rod retractible into support 890 ..Antenna on post, standard or tower 891 ...Antenna along length of post 892 ..Antenna on bracket 893 .Plural antennas 894 .With signal, indicator or alarm 895 .Spiral or helical type 896 .Rods or wire form cage or hollow post 897 .Mesh, woven, braided or multiple strip 898 .Hollow metallic body 899 .Having area increasing means (e.g., spiniferous, metal ball on top) 900 .Rod type 901 ..Telescoping 902 ...Fluid pressure actuated 903 ...Flexible rod actuated 904 .Combined 905 ..With transmission line 906 ..With electrical connector 907 .Antenna components 908 ..Active antenna component of particular shape 909 ..Refracting means and radio wave energy filters (e.g., lenses and polarizers) 910 ...Zoned type 911 R ...Dielectric type 911 L ....Luneberg type 912 ..Reflector or director 913 ...With impedance 914 ...Diverse curvature 915 ...Collapsible, foldable or adjustable 916 ...Made of detachable parts 700 MS .Microstrip * ******************************* * DIGESTS * ****************************** DIG 1 With vibration damper or wind catcher DIG 2 Satellite-mounted antenna