F-Term-List

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
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