| H | SK | ELECTRICITY |
| H01 | KL | BASIC ELECTRIC ELEMENTS |
| H01Q | UKL | AERIALS (microwave radiators for near-field therapeutic treatment A61N 5/04; apparatus for testing aerials or for measuring aerial characteristics G01R; waveguides H01P; radiators or aerials for microwave heating H05B 6/72) |
| H01Q 1/00 | HGR | Details of, or arrangements associated with, aerials (arrangements for varying orientation of directional pattern H01Q 3/00) |
| H01Q 1/02 | UGR1 | | . | Arrangements for de-icing; Arrangements for drying-out |
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| H01Q 1/04 | UGR1 | | . | Adaptation for subterranean or subaqueous use |
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| H01Q 1/06 | UGR1 | | . | Means for the lighting or illuminating of aerials, e.g. for purpose of warning |
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| H01Q 1/08 | UGR1 | | . | Means for collapsing aerials or parts thereof (collapsible loop aerials H01Q 7/02; collapsible H-aerials or Yagi aerials H01Q 19/04) |
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| H01Q 1/10 | UGR2 | |
| H01Q 1/12 | UGR1 | | . | Supports; Mounting means (supporting conductors in general H02G 7/00) |
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| H01Q 1/14 | UGR2 | | . . | for wire or other non-rigid radiating elements |
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| H01Q 1/16 | UGR3 | | . . . | Strainers, spreaders, or spacers |
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| H01Q 1/18 | UGR2 | | . . | Means for stabilising aerials on an unstable platform |
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| H01Q 1/20 | UGR2 | |
| H01Q 1/22 | UGR2 | | . . | by structural association with other equipment or articles |
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| H01Q 1/24 | UGR3 | |
| H01Q 1/26 | UGR3 | | . . . | with electric discharge tube |
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| H01Q 1/27 | UGR1 | |
| H01Q 1/28 | UGR2 | | . . | Adaptation for use in or on aircraft, missiles, satellites, or balloons [3] |
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| H01Q 1/30 | UGR3 | | . . . | Means for trailing aerials [3] |
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| H01Q 1/32 | UGR2 | | . . | Adaptation for use in or on road or rail vehicles (telescopic elements H01Q 1/10; resilient mountings for aerials H01Q 1/20) [3] |
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| H01Q 1/34 | UGR2 | | . . | Adaptation for use in or on ships, submarines, buoys, or torpedoes (for subaqueous use H01Q 1/04; retractable loop aerials H01Q 7/02) [3] |
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| H01Q 1/36 | UGR1 | | . | Structural form of radiating elements, e.g. cone, spiral, umbrella (H01Q 1/08 , H01Q 1/14 take precedence) |
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| H01Q 1/38 | UGR2 | | . . | formed by a conductive layer on an insulating support (conductors in general H01B 5/14) |
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| H01Q 1/40 | UGR1 | | . | Radiating elements coated with, or embedded in, protective material |
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| H01Q 1/42 | UGR1 | | . | Housings not intimately mechanically associated with radiating elements, e.g. radome |
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| H01Q 1/44 | UGR1 | | . | using equipment having another main function to serve additionally as an aerial (H01Q 1/28 to H01Q 1/34 take precedence) |
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| H01Q 1/46 | UGR2 | | . . | Electric supply lines or communication lines |
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| H01Q 1/48 | UGR1 | | . | Earthing means; Earth screens; Counterpoises (earthing pins H01R 4/66) |
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| H01Q 1/50 | UGR1 | | . | Structural association of aerials with earthing switches, lead-in devices, or lightning protectors (lead-in devices H01B; lightning protectors, switches H01H) |
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| H01Q 1/52 | UGR1 | | . | Means for reducing coupling between aerials; Means for reducing coupling between an aerial and another structure (absorbing means H01Q 17/00) |
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| H01Q 3/00 | HGR | Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system |
| H01Q 3/01 | UGR1 | | . | varying the shape of the aerial or aerial system [3] |
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| H01Q 3/02 | UGR1 | | . | using mechanical movement of aerial or aerial system as a whole |
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| H01Q 3/04 | UGR2 | | . . | for varying one co-ordinate of the orientation |
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| H01Q 3/06 | UGR3 | | . . . | over a restricted angle |
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| H01Q 3/08 | UGR2 | | . . | for varying two co-ordinates of the orientation |
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| H01Q 3/10 | UGR3 | | . . . | to produce a conical or spiral scan |
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| H01Q 3/12 | UGR1 | | . | using mechanical relative movement between primary active elements and secondary devices of aerials or aerial systems |
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| H01Q 3/14 | UGR2 | | . . | for varying the relative position of primary active element and a refracting or diffracting device |
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| H01Q 3/16 | UGR2 | | . . | for varying relative position of primary active element and a reflecting device |
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| H01Q 3/18 | UGR3 | | . . . | wherein the primary active element is movable and the reflecting device is fixed |
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| H01Q 3/20 | UGR3 | | . . . | wherein the primary active element is fixed and the reflecting device is movable |
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| H01Q 3/22 | UGR1 | | . | varying the orientation in accordance with variation of frequency of radiated wave |
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| H01Q 3/24 | UGR1 | | . | varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching |
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| H01Q 3/26 | UGR1 | | . | varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture (H01Q 3/22 , H01Q 3/24 take precedence) |
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| H01Q 3/28 | UGR2 | | . . | varying the amplitude [3] |
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| H01Q 3/30 | UGR2 | |
| H01Q 3/32 | UGR3 | | . . . | by mechanical means [3] |
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| H01Q 3/34 | UGR3 | | . . . | by electrical means (active lenses or reflecting arrays H01Q 3/46) [3] |
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| H01Q 3/36 | UGR4 | | . . . . | with variable phase-shifters [3] |
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| H01Q 3/38 | UGR5 | | . . . . . | the phase-shifters being digital [3] |
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| H01Q 3/40 | UGR4 | | . . . . | with phasing matrix [3] |
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| H01Q 3/42 | UGR4 | | . . . . | using frequency-mixing [3] |
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| H01Q 3/44 | UGR1 | | . | varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element [3] |
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| H01Q 3/46 | UGR2 | | . . | Active lenses or reflecting arrays [3] |
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| H01Q 5/00 | HGR | Arrangements for simultaneous operation of aerials on two or more different wavebands (length of elements adjustable H01Q 9/14; combinations of separate active aerial units operating in different wavebands and connected to a common feeder system H01Q 21/30) [3] |
| H01Q 5/01 | UGR1 | |
| H01Q 5/02 | UGR2 | | . . | for operation of centre-fed aerials which comprise a single, or two or more collinear, substantially straight elongated active elements [3] |
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| H01Q 7/00 | HGR | Loop aerials with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop |
| H01Q 7/02 | UGR1 | | . | Collapsible aerials; Retractable aerials |
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| H01Q 7/04 | UGR1 | |
| H01Q 7/06 | UGR1 | | . | with core of ferromagnetic material (H01Q 7/02 takes precedence) |
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| H01Q 7/08 | UGR2 | | . . | Ferrite rod or like elongated core |
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| H01Q 9/00 | HGR | Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements (loop aerials H01Q 7/00; waveguide horns or mouths H01Q 13/00; slot aerials H01Q 13/00; combinations of active elements with secondary devices to give desired directional characteristic H01Q 19/00; combinations of two or more active elements H01Q 21/00) |
| H01Q 9/02 | UGR1 | |
| H01Q 9/04 | UGR1 | |
| H01Q 9/06 | UGR2 | |
| H01Q 9/08 | UGR3 | | . . . | Junction boxes specially adapted for supporting adjacent ends of collinear rigid elements |
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| H01Q 9/10 | UGR3 | | . . . | Junction boxes specially adapted for supporting adjacent ends of divergent elements |
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| H01Q 9/12 | UGR4 | | . . . . | adapted for adjustment of angle between elements |
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| H01Q 9/14 | UGR3 | | . . . | Length of element or elements adjustable (telescopic elements H01Q 1/10) |
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| H01Q 9/16 | UGR2 | | . . | with feed intermediate between the extremities of the aerial, e.g. centre-fed dipole (H01Q 9/44 takes precedence) |
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| H01Q 9/18 | UGR3 | | . . . | Vertical disposition of the aerial |
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| H01Q 9/20 | UGR3 | | . . . | Two collinear substantially straight active elements; Substantially straight single active elements (H01Q 9/28 takes precedence) |
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| H01Q 9/22 | UGR4 | | . . . . | Rigid rod or equivalent tubular element or elements |
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| H01Q 9/24 | UGR4 | | . . . . | Shunt feed arrangements to single active elements, e.g. for delta matching |
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| H01Q 9/26 | UGR3 | | . . . | with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength (resonant loop aerials H01Q 7/00) |
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| H01Q 9/27 | UGR4 | | . . . . | Spiral aerials [3] |
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| H01Q 9/28 | UGR3 | | . . . | Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines (biconical horns H01Q 13/04) |
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| H01Q 9/30 | UGR2 | | . . | with feed to end of elongated active element, e.g. unipole (H01Q 9/44 takes precedence) |
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| H01Q 9/32 | UGR3 | | . . . | Vertical arrangement of element (H01Q 9/40 takes precedence) |
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| H01Q 9/34 | UGR4 | | . . . . | Mast, tower, or like self-supporting or stay-supported aerials |
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| H01Q 9/36 | UGR4 | |
| H01Q 9/38 | UGR4 | | . . . . | with counterpoise (with counterpoise comprising elongated elements coplanar with the active element H01Q 9/44) |
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| H01Q 9/40 | UGR3 | | . . . | Element having extended radiating surface |
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| H01Q 9/42 | UGR3 | | . . . | with folded element, the folded parts being spaced apart a small fraction of the operating wavelength |
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| H01Q 9/43 | UGR4 | | . . . . | Scimitar aerials [3] |
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| H01Q 9/44 | UGR2 | | . . | with plurality of divergent straight elements, e.g. V-dipole, X-aerial; with plurality of elements having mutually inclined substantially straight portions (turnstile aerials H01Q 21/26) |
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| H01Q 9/46 | UGR3 | | . . . | with rigid elements diverging from single point |
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| H01Q 11/00 | HGR | Electrically-long aerials having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements (leaky-waveguide aerials, slot aerials H01Q 13/00; combinations of active elements with secondary devices to give desired directional characteristic H01Q 19/00; aerial arrays or systems H01Q 21/00) |
| H01Q 11/02 | UGR1 | | . | Non-resonant aerials, e.g. travelling-wave aerial |
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| H01Q 11/04 | UGR2 | | . . | with parts bent, folded, shaped, screened, or electrically loaded to obtain desired phase relation of radiation from selected sections of the aerial (rhombic aerials, V-aerials H01Q 11/06) |
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| H01Q 11/06 | UGR2 | | . . | Rhombic aerials; V-aerials |
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| H01Q 11/08 | UGR2 | |
| H01Q 11/10 | UGR2 | | . . | Log-periodic aerials (H01Q 11/08 takes precedence) [3] |
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| H01Q 11/12 | UGR1 | |
| H01Q 11/14 | UGR2 | | . . | with parts bent, folded, shaped, or screened, or with phasing impedances, to obtain desired phase relation of radiation from selected sections of the aerial or to obtain desired polarisation effects |
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| H01Q 11/16 | UGR3 | | . . . | in which the selected sections are collinear |
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| H01Q 11/18 | UGR3 | | . . . | in which the selected sections are parallelly spaced [3] |
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| H01Q 11/20 | UGR2 | |
| H01Q 13/00 | HGR | Waveguide horns or mouths; Slot aerials; Leaky-waveguide aerials; Equivalent structures causing radiation along the transmission path of a guided wave (multimode aerials H01Q 25/04) |
| H01Q 13/02 | UGR1 | |
| H01Q 13/04 | UGR2 | | . . | Biconical horns (biconical dipoles comprising two conical surfaces having collinear axes and adjacent apices and fed by a two-conductor transmission line H01Q 9/28) |
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| H01Q 13/06 | UGR1 | |
| H01Q 13/08 | UGR1 | | . | Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines |
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| H01Q 13/10 | UGR1 | |
| H01Q 13/12 | UGR2 | | . . | Longitudinally slotted cylinder aerials; Equivalent structures |
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| H01Q 13/14 | UGR3 | | . . . | Skeleton cylinder aerials |
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| H01Q 13/16 | UGR2 | |
| H01Q 13/18 | UGR2 | | . . | the slot being backed by, or formed in boundary wall of, a resonant cavity (longitudinally slotted cylinder H01Q 13/12) |
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| H01Q 13/20 | UGR1 | | . | Non-resonant leaky-waveguide or transmission-line aerials; Equivalent structures causing radiation along the transmission path of a guided wave |
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| H01Q 13/22 | UGR2 | | . . | Longitudinal slot in boundary wall of waveguide or transmission line |
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| H01Q 13/24 | UGR2 | | . . | constituted by a dielectric or ferromagnetic rod or pipe (H01Q 13/28 takes precedence) |
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| H01Q 13/26 | UGR2 | | . . | Surface waveguide constituted by a single conductor, e.g. strip conductor |
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| H01Q 13/28 | UGR2 | | . . | comprising elements constituting electric discontinuities and spaced in direction of wave propagation, e.g. dielectric elements, conductive elements forming artificial dielectric (Yagi aerials H01Q 19/30) |
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| H01Q 15/00 | HGR | Devices for reflection, refraction, diffraction, or polarisation of waves radiated from an aerial, e.g. quasi-optical devices (variable for purpose of altering directivity H01Q 3/00; arrangements of such devices for guiding waves H01P 3/20; variable for purpose of modulation H03C 7/02) |
| H01Q 15/02 | UGR1 | | . | Refracting or diffracting devices, e.g. lens, prism |
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| H01Q 15/04 | UGR2 | | . . | comprising wave-guiding channel or channels bounded by effective conductive surfaces substantially perpendicular to the electric vector of the wave, e.g. parallel-plate waveguide lens |
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| H01Q 15/06 | UGR2 | | . . | comprising plurality of wave-guiding channels of different length |
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| H01Q 15/08 | UGR2 | | . . | formed of solid dielectric material |
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| H01Q 15/10 | UGR2 | | . . | comprising three-dimensional array of impedance discontinuities, e.g. holes in conductive surfaces or conductive discs forming artificial dielectric (leaky-waveguide aerials H01Q 13/28) |
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| H01Q 15/12 | UGR2 | | . . | functioning also as polarisation filter |
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| H01Q 15/14 | UGR1 | | . | Reflecting surfaces; Equivalent structures |
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| H01Q 15/16 | UGR2 | | . . | curved in two dimensions, e.g. paraboloidal |
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| H01Q 15/18 | UGR2 | | . . | comprising plurality of mutually inclined plane surfaces, e.g. corner reflector |
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| H01Q 15/20 | UGR3 | | . . . | Collapsible reflectors |
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| H01Q 15/22 | UGR2 | | . . | functioning also as polarisation filter |
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| H01Q 15/23 | UGR1 | | . | Combinations of reflecting surfaces with refracting or diffracting devices [3] |
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| H01Q 15/24 | UGR1 | | . | Polarising devices; Polarisation filters (devices functioning simultaneously both as polarisation filters and as refracting or diffracting devices or as reflectors H01Q 15/12 , H01Q 15/22) |
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| H01Q 17/00 | HGR | Devices for absorbing waves radiated from an aerial; Combinations of such devices with active aerial elements or systems |
| H01Q 19/00 | HGR | Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic |
| H01Q 19/02 | UGR1 | |
| H01Q 19/04 | UGR2 | | . . | Means for collapsing H-aerials or Yagi aerials |
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| H01Q 19/06 | UGR1 | | . | using refracting or diffracting devices, e.g. lens |
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| H01Q 19/08 | UGR2 | | . . | for modifying the radiation pattern of a radiating horn in which it is located |
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| H01Q 19/09 | UGR2 | | . . | wherein the primary active element is coated with or embedded in a dielectric or magnetic material (protective material H01Q 1/40; with variable characteristics H01Q 3/44) [3] |
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| H01Q 19/10 | UGR1 | | . | using reflecting surfaces |
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| H01Q 19/12 | UGR2 | | . . | wherein the surfaces are concave (H01Q 19/18 takes precedence) [3] |
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| H01Q 19/13 | UGR3 | | . . . | the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination (H01Q 19/15 takes precedence) [3] |
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| H01Q 19/15 | UGR3 | | . . . | the primary radiating source being a line source, e.g. leaky waveguide aerials [3] |
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| H01Q 19/17 | UGR3 | | . . . | the primary radiating source comprising two or more radiating elements (H01Q 19/15 , H01Q 25/00 take precedence) [3] |
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| H01Q 19/18 | UGR2 | | . . | having two or more spaced reflecting surfaces (producing pencil beam by two cylindrical reflectors with their focal lines orthogonally disposed H01Q 19/20) |
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| H01Q 19/185 | UGR3 | | . . . | wherein the surfaces are plane [3] |
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| H01Q 19/19 | UGR3 | | . . . | comprising one main concave reflecting surface associated with an auxiliary reflecting surface [3] |
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| H01Q 19/195 | UGR4 | | . . . . | wherein a reflecting surface acts also as a polarisation filter or a polarising device [3] |
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| H01Q 19/20 | UGR1 | | . | Producing pencil beam by two cylindrical focusing devices with their focal lines orthogonally disposed |
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| H01Q 19/22 | UGR1 | | . | using a secondary device in the form of a single substantially straight conductive element |
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| H01Q 19/24 | UGR2 | | . . | the primary active element being centre-fed and substantially straight, e.g. H-aerial |
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| H01Q 19/26 | UGR2 | | . . | the primary active element being end-fed and elongated |
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| H01Q 19/28 | UGR1 | | . | using a secondary device in the form of two or more substantially straight conductive elements (log-periodic aerials H01Q 11/10; constituting a reflecting surface H01Q 19/10) |
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| H01Q 19/30 | UGR2 | | . . | the primary active element being centre-fed and substantially straight, e.g. Yagi aerial |
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| H01Q 19/32 | UGR2 | | . . | the primary active element being end-fed and elongated |
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| H01Q 21/00 | HGR | Aerial arrays or systems (producing a beam the orientation or the shape of the directional pattern of which can be changed or varied H01Q 3/00; electrically-long aerials H01Q 11/00) |
| H01Q 21/06 | UGR1 | | . | Arrays of individually energised aerial units similarly polarised and spaced apart |
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| H01Q 21/08 | UGR2 | | . . | the units being spaced along, or adjacent to, a rectilinear path |
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| H01Q 21/10 | UGR3 | | . . . | Collinear arrangements of substantially straight elongated conductive units |
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| H01Q 21/12 | UGR3 | | . . . | Parallel arrangements of substantially straight elongated conductive units (travelling-wave aerials comprising transmission line loaded with transverse elements, e.g. "fishbone" aerial, H01Q 11/04) |
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| H01Q 21/14 | UGR4 | |
| H01Q 21/16 | UGR5 | |
| H01Q 21/18 | UGR5 | |
| H01Q 21/20 | UGR2 | | . . | the units being spaced along, or adjacent to, a curvilinear path |
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| H01Q 21/22 | UGR2 | | . . | Aerial units of the array energised non-uniformly in amplitude or phase, e.g. tapered array, binomial array |
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| H01Q 21/24 | UGR1 | | . | Combinations of aerial units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction |
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| H01Q 21/26 | UGR2 | | . . | Turnstile or like aerials comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre |
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| H01Q 21/28 | UGR1 | | . | Combinations of substantially independent non-interacting aerial units or systems |
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| H01Q 21/29 | UGR1 | | . | Combinations of different interacting aerial units for giving a desired directional characteristic (H01Q 25/00 takes precedence) [3] |
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| H01Q 21/30 | UGR1 | | . | Combinations of separate aerial units operating in different wavebands and connected to a common feeder system |
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| H01Q 23/00 | HGR | Aerials with active circuits or circuit elements integrated within them or attached to them [3] |
| H01Q 25/00 | HGR | Aerials or aerial systems providing at least two radiating patterns (arrangements for changing or varying the orientation or the shape of the directional pattern H01Q 3/00) [3] |
| H01Q 25/02 | UGR1 | | . | providing sum and difference patterns (multimode aerials H01Q 25/04) [3] |
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| H01Q 25/04 | UGR1 | |