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363-131 121-55A 14-.5
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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
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* DIGESTS
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DIG 1 With vibration damper or wind catcher
DIG 2 Satellite-mounted antenna