ReturnTo Theme-Group-Choice | Onelevelup |
5J045 | WAVEGUIDE AERIALS | |
H01Q13/00 -13/28 |
H01Q13/00-13/28 | AA | AA00 ELECTRICAL PURPOSES |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | ||
. Matching | . Increased band-width | . Multiple bands (i.e., multi-frequency bands) | . . Variable bands | . Aerial gain | . . Aperture efficiency | . . Exchange efficiency | . . . G/T ratio (Gain to noise temperature ratio) | |||||
AA11 | AA12 | AA13 | AA14 | AA15 | AA16 | |||||||
. Polarization switching | . Polarization sharing | . Improvement of polarization characteristics | . . Degree of cross-polarization discrimination | . . . Elliptical polarization rates | . . . . Axis ratios | |||||||
AA21 | AA22 | AA23 | AA24 | AA25 | AA26 | AA27 | AA28 | |||||
. Directional patterns | . . Symmetrically rotated beams | . . . Cone beams | . . Asymmetrically rotated beams | . . . Elliptical beams | . . Side lobe suppression | . . Suppressing of unwanted higher order modes | . Multiple beams | |||||
AB | AB00 MECHANICAL PURPOSES |
AB01 | AB02 | AB03 | AB04 | AB05 | AB06 | AB07 | AB08 | AB09 | ||
. Reduced weight | . Improved durability | . Flexibility or bendability | . . Torsional strength | . Miniaturization | . Ease of manufacturing | . Weatherability or resistance to the elements | . . Heat resistance | . . Moisture resistance or water resistance | ||||
BA | BA00 DRIVING MODES |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | |||||
. Tunneling electron microscope (TEM) modes | . Transverse electric modes (TE, i.e., simple modes) | . Transverse magnetic modes (TM, i.e., simple modes) | . Multiple modes (i.e., complex modes) | . Hybrid modes (e.g., EH or HE modes) | . Surface wave modes | |||||||
CA | CA00 POLARIZATION |
CA01 | CA02 | CA03 | CA04 | |||||||
. Linear polarization | . . Horizontal polarization | . . Vertical polarization | . Circular polarization | |||||||||
DA | DA00 TYPES OF RADIATING ELEMENTS |
DA01 | DA02 | DA03 | DA04 | DA05 | DA06 | DA07 | DA08 | DA09 | DA10 | |
. Waveguide horns | . . Elliptical horns or oval horns | . Slot aerials | . . Waveguide slot aerials | . . Radial-line slot aerials | . . Printed-circuit slot aerials | . . . Folded-slot or ring-slot aerials | . Conductor plate aerials (e.g., inverted F) | . . Strip aerials or micro strip aerials (MSA) | . . . Patch micro strip aerials | |||
DA11 | DA12 | DA13 | DA14 | DA15 | DA16 | DA17 | DA18 | |||||
. Progressive wave aerials | . . Strip line aerials | . . . Crank-line-type strip line aerials | . . Leaky coaxial cables | . . . Continuous aperture slot coaxial cable | . . Multiple-wire twisted lines | . . Surface-wave line aerials | . . . Dielectric rod aerials | |||||
EA | EA00 CONSTITUENT MEMBERS AND STRUCTURE OF RADIATING ELEMENTS |
EA01 | EA02 | EA03 | EA04 | EA05 | EA06 | EA07 | EA08 | EA09 | EA10 | |
. Corrugation | . Ridges, or fins oriented along the tube axis | . Irises (i.e., windows), or fins oriented along a lateral cross-section | . Metal partitions (i.e., septa) | . Tapered waveguides, or flares (i.e., for phase shifting) | . Linear waveguides (i.e., for phase shifting) | . Dielectric plates (i.e., substrates) | . . Stacked bodies | . . Honeycomb structures or porous members | . Dielectric rods | |||
EA11 | EA12 | EA13 | EA14 | EA15 | EA16 | EA17 | EA18 | |||||
. Solid conductor rods or conductor pins | . Braided conductors | . Plastic tapes | . Conductive tapes | . . Laminated tapes | . Choke structures or leakage current inhibitors | . Terminal resistance (i.e., absorbed resistance) | . Resistance plates (e.g., absorbent material plates) | |||||
FA | FA00 BEAM PATTERN FORMING MEANS |
FA01 | FA02 | FA03 | FA04 | FA05 | FA06 | FA07 | FA08 | FA09 | ||
. Combinations of multiple radiating elements | . . Planar arrangements (i.e., plane aerials) | . . Non-uniform spacing between elements | . . Oblique slots | . . . Grouped slots | . . . Non-uniform angles of slot inclination | . . . Non-uniform slot lengths | . Reflecting plates | . Wave directors | ||||
GA | GA00 TUNING MEANS |
GA01 | GA02 | GA03 | GA04 | GA05 | GA06 | GA07 | GA08 | |||
. Combinations of multiple radiating elements | . . Use of multiple layers or hierarchical arrangements | . . Use of the same types of radiating elements | . Addition of admittance (i.e., loading) | . . Capacitive means | . . Inductive means | . . Means having variable admittance values | . Cavity resonators | |||||
HA | HA00 FEEDER LINES |
HA01 | HA02 | HA03 | HA04 | HA05 | HA06 | HA07 | HA08 | |||
. Waveguides | . Strip lines or trip-rate lines | . . Micro strip lines | . Slot lines | . Coplanar lines | . Coaxial lines | . Dielectric lines | . H guides | |||||
JA | JA00 FEEDER CIRCUITS |
JA01 | JA02 | JA03 | JA04 | |||||||
. Feeder systems | . . Offset power feeds | . . Centralized power feeds | . . Tournament power feeds | |||||||||
JA11 | JA12 | JA13 | JA14 | JA15 | JA16 | JA17 | JA18 | JA19 | JA20 | |||
. Feeder circuit constituent devices | . . Hybrid circuits (e.g., power synthesis or distribution) | . . High-order mode couplers (i.e., tracking error detection) | . . Polarization couplers | . . Polarization transducers or circular polarized wave generators | . . Plane-of-polarization rotators | . . Phase shifters | . . Isolators or circulators | . . Low-noise amplifiers | . . Attenuators | |||
KA | KA00 WATERPROOF STRUCTURES |
KA01 | KA02 | KA03 | KA04 | KA05 | KA06 | KA07 | ||||
. Members and coverings transparent to radio waves | . . Radomes or fee domes | . . . Variants supported at the open end | . . . Variants using multiple members | . . Molded structures | . . Lap structures | . . Coating structures | ||||||
LA | LA00 RADIATING ELEMENT BASE MATERIALS |
LA01 | LA02 | LA03 | LA04 | LA05 | LA06 | LA07 | ||||
. Metals | . . Aluminum | . Dielectrics | . . Resins (e.g., ABS or epoxy) | . . . Resins containing skeleton materials | . . . . Resins containing carbon fibers | . . Ceramics | ||||||
MA | MA00 MANUFACTURING METHODS |
MA01 | MA02 | MA03 | MA04 | MA05 | MA06 | MA07 | MA08 | |||
. Forming in one piece | . . Electroforming | . . Continuous seams | . Assembled units | . . Units split longitudinally | . . Units split laterally | . Stacking | . . Hot fusion or hot pressing | |||||
NA | NA00 APPLICATIONS |
NA01 | NA02 | NA03 | NA04 | NA05 | NA06 | NA07 | NA08 | |||
. Moving body communications | . . Satellite communications | . . Portable radios | . . Car phones | . . Induction radios | . Navigation | . . Radar | . Broadcasting |