Class   343	COMMUNICATIONS: RADIO WAVE ANTENNAS
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700R

ANTENNAS

701

. (1 indent ) Having electric space discharge device

702

. (1 indent ) With radio cabinet

703

. (1 indent ) Measuring signal energy

704

. (1 indent ) With ice clearer or preventer

705

. (1 indent ) With aircraft

706

.. (2 indent ) Lighter-than-air device

707

.. (2 indent ) Trailing type

708

.. (2 indent ) Aircraft part of active antenna or vice versa

709

. (1 indent ) Waterborne (e.g., buoyant or with watercraft)

710

.. (2 indent ) Watercraft part of active antenna or vice versa

711

. (1 indent ) With vehicle

712

.. (2 indent ) Vehicle part of active antenna or vice versa

713

.. (2 indent ) Supported by vehicle body

714

... (3 indent ) Antenna adjustable from inside body

715

... (3 indent ) Rod type

716

... (3 indent ) Running board

717

.. (2 indent ) Supported underneath vehicle

718

. (1 indent ) Body-attached or connected

719

. (1 indent ) Buried underground or submerged under water

720

. (1 indent ) Combined with diverse-type art device

721

.. (2 indent ) Light

722

. (1 indent ) With lumped reactance filter in active antenna

723

. (1 indent ) Single adjustable length electrically long linear antenna

724

. (1 indent ) Convertible to different antennas

725

. (1 indent ) Plural separate diverse type

726

.. (2 indent ) Including balanced doublet and loop-type antennas

727

.. (2 indent ) Including balanced doublet-type antenna

728

.. (2 indent ) Including loop-type antenna

729

. (1 indent ) Plural diverse-type antennas using same active element

730

.. (2 indent ) Including balanced doublet-type antenna

731

. (1 indent ) Traveling wave type

732

.. (2 indent ) Circular loop

733

.. (2 indent ) Rhombic

734

... (3 indent ) With feedback

735

.. (2 indent ) Balanced V

736

.. (2 indent ) Inverted V

737

.. (2 indent ) Plural

738

.. (2 indent ) With reflecting transformer

739

. (1 indent ) With terminating resistance at open end

740

.. (2 indent ) Balanced type

741

. (1 indent ) High frequency type loops

742

.. (2 indent ) Plural

743

.. (2 indent ) Feed coupling at spaced points on loop

744

.. (2 indent ) With series reactance in loop

745

. (1 indent ) With variable reactance for tuning antenna

746

.. (2 indent ) Slot type

747

.. (2 indent ) Balanced doublet type

748

.. (2 indent ) Loop type

749

. (1 indent ) With lumped reactance for loading antenna

750

.. (2 indent ) Adjustable reactance

751

.. (2 indent ) Plural antennas

752

.. (2 indent ) Reactance at free end of active antenna

753

. (1 indent ) With spaced or external radio wave refractor (e.g., lens)

754

.. (2 indent ) With scanning, sweeping, or orienting

755

.. (2 indent ) With reflector

756

. (1 indent ) With polarization filter or converter

757

. (1 indent ) With means for moving directive antenna for scanning, sweeping or orienting

758

.. (2 indent ) Plural relatively movable

759

.. (2 indent ) Spiral motion

760

.. (2 indent ) With signal, indicator or alarm

761

.. (2 indent ) Reflector and antenna relatively movable

762

.. (2 indent ) Wave guide type antenna

763

.. (2 indent ) Rotary or rotary oscillatory motion

764

... (3 indent ) Loop-type antenna

765

... (3 indent ) In different planes

766

... (3 indent ) Motor-driven

767

. (1 indent ) Slot type

768

.. (2 indent ) With periodic control of slot or coupling

769

.. (2 indent ) Ring-shaped slot

770

.. (2 indent ) Plural

771

... (3 indent ) With wave guide coupling

772

. (1 indent ) Wave guide type (e.g., horn)

773

.. (2 indent ) Biconical horn type

774

... (3 indent ) Stacked

775

... (3 indent ) With reflector

776

.. (2 indent ) Plural

777

... (3 indent ) With control of individual antenna (e.g., lobe switching or steering)

778

... (3 indent ) With phasing

779

... (3 indent ) With reflector

780

.. (2 indent ) "Pillbox" type

781R

.. (2 indent ) With external reflector or director

782

... (3 indent ) With means reducing re-radiation into active antenna

781P

... (3 indent ) Plural reflectors

781CA

... (3 indent ) With main and subreflector (Casse-grain type)

783

.. (2 indent ) With internal-wave refraction means

784

.. (2 indent ) With closure

785

.. (2 indent ) Dielectric type (e.g., polystyrene rod)

786

.. (2 indent ) With horn

787

. (1 indent ) Including magnetic material

788

.. (2 indent ) Loop type

789

. (1 indent ) Within conductive apertured wall

790

. (1 indent ) Active sleeve surrounds feed line

791

.. (2 indent ) With coaxial active rod

792

.. (2 indent ) Doublet type

792.5

. (1 indent ) Logarithmically periodic

793

. (1 indent ) Balanced doublet - centerfed (e.g., dipole)

794

.. (2 indent ) Diverse-type doublets

795

.. (2 indent ) Sheet or wing type

796

.. (2 indent ) Helically or angularly staggered plural doublets

797

.. (2 indent ) Plural crossed (e.g., turnstile)

798

... (3 indent ) Plural groups (e.g., stacked)

799

.. (2 indent ) Plural circumferentially arranged

800

... (3 indent ) Plural groups (e.g., stacked)

801

.. (2 indent ) Three or more collinear units form doublet

802

.. (2 indent ) Distributed reactance added to arms

803

.. (2 indent ) Folded

804

... (3 indent ) Multiple conductor type

805

.. (2 indent ) Arms angularly adjustable (e.g., rabbit ears)

806

.. (2 indent ) Bent arms (e.g., zigzag type)

807

.. (2 indent ) Tapered, thick, or enlarged arms

808

.. (2 indent ) Plural-rod arm forming V (e.g., conical arrangement)

809

.. (2 indent ) Arms non-linearly arranged (e.g., resonant V type)

810

.. (2 indent ) Plural

811

... (3 indent ) Fishbone-type array

812

... (3 indent ) Parallel arrangement

813

.... (4 indent ) Parallel and collinear arrangement

814

.... (4 indent ) With coupling network

815

.... (4 indent ) With parasitic element (e.g., reflector or director)

816

... (3 indent ) With coupling network

817

... (3 indent ) With parasitic element (e.g., reflector or director)

818

.. (2 indent ) With parasitic element (e.g., reflector or director)

819

... (3 indent ) With reflector and director

820

.. (2 indent ) With coupling network or impedance in the leadin

821

... (3 indent ) Balanced to unbalanced circuit

822

... (3 indent ) Impedance matching network

823

.. (2 indent ) Adjustable length

824

. (1 indent ) Planar array of linear antennas

825

. (1 indent ) Fractional, multiple, or full wave length linear type

826

.. (2 indent ) Plural

827

... (3 indent ) Collinear arrangement

828

.. (2 indent ) Non-uniformity in antenna

829

.. (2 indent ) With grounding structure, including counterpoises

830

... (3 indent ) With coaxial feed line

831

.. (2 indent ) Stub type

832

. (1 indent ) Active antenna as reflector

833

. (1 indent ) Antenna with parasitic director

834

. (1 indent ) Antenna with parasitic reflector

835

.. (2 indent ) Plural active antennas

836

... (3 indent ) Plural reflectors

837

.. (2 indent ) Plural reflectors

838

... (3 indent ) Including a screening reflector

839

.. (2 indent ) Reflector and active antenna relatively movable

840

.. (2 indent ) Parabolic-type reflector with active antenna at focus

841

. (1 indent ) With electrical shield

842

.. (2 indent ) Loop-type antenna

843

. (1 indent ) Having an appreciable wave length dimension

844

. (1 indent ) Plural antennas spaced a fractional or full wave length apart

845

. (1 indent ) With ground connection spaced from feed line connection

846

. (1 indent ) With grounding structure (including counterpoises)

847

.. (2 indent ) Insulated from or capacity coupled to ground

848

.. (2 indent ) Artificial or substitute grounds (e.g., ground planes)

849

.. (2 indent ) Modified natural grounds

850

. (1 indent ) With coupling network or impedance in the leadin

851

.. (2 indent ) With radiation suppressor (e.g., shield)

852

.. (2 indent ) Plural path with impedance matching

853

.. (2 indent ) With plural antennas

855

... (3 indent ) Loop antennas

856

.. (2 indent ) Antenna forms transformer primary or secondary

857

.. (2 indent ) Coupling at spaced points on antenna

858

.. (2 indent ) Coupled to plural leadins

859

.. (2 indent ) Balanced to unbalanced circuit

860

.. (2 indent ) Impedance matching network

861

... (3 indent ) Adjustable

862

... (3 indent ) Including long line element

863

.... (4 indent ) Tapered

864

.... (4 indent ) Quarter-wave transformer

865

.. (2 indent ) Balanced coupling network to balanced antenna

866

. (1 indent ) Loop type

867

.. (2 indent ) Plural; plural or tapped coils

868

.. (2 indent ) Adjustable configuration, area or coil length

869

.. (2 indent ) With rotatable support

870

.. (2 indent ) With connector or terminals

871

.. (2 indent ) With collapsible or foldable frame

872

. (1 indent ) With housing or protective covering

873

.. (2 indent ) Antenna embedded, potted, or coated

874

. (1 indent ) Mast or tower type

875

.. (2 indent ) Sectional

876

. (1 indent ) Switching between antennas and lines

877

. (1 indent ) With reel for antenna

878

. (1 indent ) With support for antenna, reflector or director

879

.. (2 indent ) For plural separate antennas

880

.. (2 indent ) Adjustable or collapsible support

881

... (3 indent ) Foldable

882

... (3 indent ) Pivoted or rotatable

883

... (3 indent ) Telescoping

884

.. (2 indent ) Plural wire transmission line or wave guide as support

885

.. (2 indent ) Stress distributing or static discharging means for support

886

.. (2 indent ) Horizontally suspended between poles or standards

887

.. (2 indent ) Streamline-shaped support

888

.. (2 indent ) For supporting rod-like end portion of antenna

889

... (3 indent ) Rod retractible into support

890

.. (2 indent ) Antenna on post, standard or tower

891

... (3 indent ) Antenna along length of post

892

.. (2 indent ) Antenna on bracket

893

. (1 indent ) Plural antennas

894

. (1 indent ) With signal, indicator or alarm

895

. (1 indent ) Spiral or helical type

896

. (1 indent ) Rods or wire form cage or hollow post

897

. (1 indent ) Mesh, woven, braided or multiple strip

898

. (1 indent ) Hollow metallic body

899

. (1 indent ) Having area increasing means (e.g., spiniferous, metal ball on top)

900

. (1 indent ) Rod type

901

.. (2 indent ) Telescoping

902

... (3 indent ) Fluid pressure actuated

903

... (3 indent ) Flexible rod actuated

904

. (1 indent ) Combined

905

.. (2 indent ) With transmission line

906

.. (2 indent ) With electrical connector

907

. (1 indent ) Antenna components

908

.. (2 indent ) Active antenna component of particular shape

909

.. (2 indent ) Refracting means and radio wave energy filters (e.g., lenses and polarizers)

910

... (3 indent ) Zoned type

911R

... (3 indent ) Dielectric type

911L

.... (4 indent ) Luneberg type

912

.. (2 indent ) Reflector or director

913

... (3 indent ) With impedance

914

... (3 indent ) Diverse curvature

915

... (3 indent ) Collapsible, foldable or adjustable

916

... (3 indent ) Made of detachable parts

700MS

. (1 indent ) Microstrip

	FOREIGN ART COLLECTIONS

FOR000

CLASS-RELATED FOREIGN DOCUMENTS

	DIGESTS

DIG1

WITH VIBRATION DAMPER OR WIND CATCHER

DIG2

SATELLITE-MOUNTED ANTENNA

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