An array antenna includes: a first antenna element and a second antenna element configured to transmit and receive radio waves; and a feeding line configured to feed the first antenna element and the second antenna element in series, wherein the first antenna element and the second antenna element respectively have a feeding element fed from the feeding line and a parasitic element part having a parasitic element, the parasitic element part being provided to face the feeding element, and a number of the parasitic element of the parasitic element part in the first antenna element is different from a number of the parasitic element of the parasitic element part in the second antenna element.
H01Q 21/08 - Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along, or adjacent to, a rectilinear path
H01Q 3/26 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elementsArrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture
H01Q 5/378 - Combination of fed elements with parasitic elements
This radio antenna using a dielectric waveguide 100 is provided with: a linear inner layer portion 101 formed from a dielectric; an outer layer portion 102 that is formed from a dielectric having a smaller dielectric constant than the inner layer portion 101 and covers the outer periphery of the inner layer portion 101; one or a plurality of hole portions 103 formed so as to reach the inner layer portion 101 from the outer periphery of the outer layer portion 102; and a metal element 111 that is inserted at least in the inner layer portion 101 in at least one hole portion 103.
H01Q 13/24 - Non-resonant leaky-waveguide or transmission-line antennas Equivalent structures causing radiation along the transmission path of a guided wave constituted by a dielectric or ferromagnetic rod or pipe
This light-transmissive antenna comprises: a substrate that is formed by a light-transmissive insulating member; an antenna element part that is provided on a surface of the substrate and that is constituted from a light-transmissive electrically conductive member; a terminal, power supply terminal and cable 40 that supply power to the antenna element part; and a cover member 20 that is formed from a light-transmissive insulating member, that covers an end part of the cable 40, the power supply terminal, and the terminal, and that has projections and recesses on at least one of an inner surface and an outer surface thereof.
Provided is a transmission device comprising: a transmission substrate that transmits signals, the transmission substrate being provided with electric power supply wiring and a capacitive coupling conductor that are provided to one surface of a plate-form dielectric substrate, and a ground conductor provided to the other surface of the dielectric substrate; and a connector that inputs and outputs signals, the connector being provided with an inner conductor and an outer conductor provided to the outer side of the inner conductor. The connector is provided to one surface of the transmission substrate where the electric power supply wiring and the capacitive coupling conductor are provided. The inner conductor of the connector is connected to the electric power supply wiring. The outer conductor of the connector is connected to the capacitive coupling conductor. The ground conductor of the transmission substrate and the outer conductor of the connector are not connected to one another.
This radio wave scattering device comprises: a substrate made of a dielectric; a ground electrode unit including a ground electrode; a plurality of surface electrode units in which surface electrodes are arranged; and a positional relationship adjustment means capable of adjusting the positional relationship between the ground electrode unit and the plurality of surface electrode units, the radio wave scattering device being characterized in that when the surface electrode unit faces the ground electrode with the substrate interposed therebetween, the surface electrode unit scatters the incident beam at a scattering angle predetermined for each surface electrode unit, and the positional relationship adjustment means switches the surface electrode unit facing the ground electrode unit with the substrate interposed therebetween by adjusting the positional relationship.
This array antenna comprises a first antenna element and a second antenna element which send and receive radio waves, and a power supply line which supplies power to the first antenna element and the second antenna element in series. The first antenna element and the second antenna element each have a power supply element to which power is supplied from the power supply line and a non-power-supply element part which includes a non-power-supply element and which is provided opposite from the power supply element. The non-power-supply element in the non-power-supply element part of the first antenna element and the non-power-supply element in the non-power-supply element part of the second antenna element differ in number.
H01Q 3/26 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elementsArrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture
H01Q 5/378 - Combination of fed elements with parasitic elements
H01Q 21/08 - Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along, or adjacent to, a rectilinear path
The present invention includes a substrate 14 formed from an insulating material with translucency and antenna units 11 and 12 that are provided on a surface of the substrate 14 and are formed from a conductive material with translucency. Each of the antenna units 11 and 12 is configured such that the resistance value of a portion of the conductive material where power is concentrated, such as a portion near a feeding unit, becomes less than the resistance value of another portion where power is diffused.
A dipole antenna 10 comprises: a reflector 70; and a dipole element 10 which has radiation parts 11 and 12 that are provided at predetermined heights from the reflector 70, wherein the radiation parts 11 and 12 have a capacitor that has a planar shape crossing the radiation direction of a radio wave and that is provided between the radiation parts 11 and 12.
H01Q 9/16 - Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
H01Q 19/10 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
13.
RADIO WAVE SCATTERING DEVICE AND RADIO WAVE SCATTERING MEMBER
This radio wave scattering device comprises: a first radio wave scattering unit having arrayed therein a plurality of cells that scatter an incident beam at a predetermined first scattering angle; and a second radio wave scattering unit having arrayed therein a plurality of cells that scatter an incident beam at a predetermined second scattering angle. The first radio wave scattering unit and the second radio wave scattering unit are disposed adjacent to each other, and a phase difference for setting the incident beams to be the predetermined scattering angles is set between the first radio wave scattering unit and the second radio wave scattering unit.
An array antenna is provided with: a first conductive member including a planar part; plural antennas arranged at a predetermined first interval to the planar part of the first conductive member, each of the plural antennas transmitting and receiving radio frequencies of a first polarization and radio frequencies of a second polarization that is different from the first polarization; and a second conductive member provided between the antennas adjacent to each other among the plural antennas via a gap of a predetermined second interval to the planar part of the first conductive member, the second conductive member being capacitively coupled to the first conductive member.
H01Q 21/26 - Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
H01Q 1/52 - Means for reducing coupling between antennas Means for reducing coupling between an antenna and another structure
H01Q 1/24 - SupportsMounting means by structural association with other equipment or articles with receiving set
H01Q 21/06 - Arrays of individually energised antenna units similarly polarised and spaced apart
H01Q 1/42 - Housings not intimately mechanically associated with radiating elements, e.g. radome
According to the present invention, a staging system is characterized by being provided with: a plurality of movable penlights 20; and a plurality of antennas 10 that are disposed at mutually different installation positions and that transmit mutually different electric waves in order to cause the respective penlights 20 to produce luminescence in mutually different colors, wherein the intensity of the respective electric waves received by the individual penlights 20 changes as the individual penlights 20 make movements, and the luminescent colors of the individual penlights 20 change gradually.
According to the present invention, a penlight is provided with: an instruction information acquisition means which acquires, from an antenna for transmitting electric waves, instruction information that designates an emission color; an emission color information acquisition means which acquires, from another luminescence device located around the own device, emission color information that indicates an emission color of the other luminescence device; and a control means which performs control on a light-emitting unit of the own device in accordance with the acquired instruction information and the acquired emission color information.
This antenna device 1 is characterized by comprising: a dielectric substrate 10; a ground conductor 20 positioned on the lower surface of the dielectric substrate 10; and a radiating element 30 which is positioned on the upper surface of the dielectric substrate 10 and which transmits and receives circularly polarized waves generated by two feeding points, wherein the outer edge of the radiating element 30 has a polygonal shape, and a cutout notch is formed on the corner part of the outer edge.
H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
H01Q 21/24 - Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
A transmission line according to the present invention comprises: a first conductor that comprises unit lines having one annular stub and another annular stub disposed opposite of one another with a bent path formed in a crank shape therebetween, and that is configured such that the unit lines are inversely disposed relative to one another; and a second conductor that is disposed facing the first conductor.
An antenna structure to which the present invention is applied includes: a film that transmits visible light and has antennas formed thereon; a feeding part to which coaxial cables for feeding power to the antennas are connected; a flange that transmits visible light and is used for positioning the film from a visible side of equipment; and positioning structures for positioning the film from an invisible side of the equipment.
An antenna structure as an example of a structure including a transparent conductor includes: an antenna as an example of the transparent conductor; a film transmitting a visible light; a positioning structure configured to position the film from an invisible side of a ceiling as an example of a facility; and a flange transmitting the visible light and configured to position the film from a visible side of the ceiling and including a lens part at a position facing the positioning structure.
The antenna includes: a reflective member including a flat part; a first antenna element disposed on the flat part of the reflective member, the first antenna element being configured to transmit and receive radio waves of a first polarization; a second antenna element disposed on the flat part of the reflective member, one end of the second antenna element being located close to one end of the first antenna element, the second antenna element being configured to transmit and receive radio waves of a second polarization different from the first polarization; and a conductive member disposed close to the one ends of the first antenna element and the second antenna element and near a point of intersection where the first antenna element and the second antenna element meet when extended.
H01Q 21/26 - Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
H01Q 9/16 - Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
A directing method for directing by using a plurality of receiving devices located within a pre-set region, wherein radio waves are emitted from a transmission device, the transmission device is instructed so as to change the appearance of the receiving devices located in the radio wave emission region, and the transmission device is instructed so as to change the radio wave emission region in response to the directing.
A system for emitting radio waves at a plurality of receiving devices located within a preset region by using a plurality of transmission devices, wherein: each device among the plurality of transmission devices is capable of setting radio wave properties so as to emit the radio waves toward a specific partial region within the preset region; the radio waves are emitted on the basis of the radio wave properties; and the appearance of the receiving devices within the partial region is changed.
The antenna structure as an example of a structure including a mesh-like transparent conductor includes: a film made of an electrical insulating material transmitting visible light; a surface section provided on one face of the film, made of a mesh-like conductive material, and having a predetermined shape; and a bordering section provided on the one face of the film and configured to border at least a part of edges of the surface section α with a conductive material.
An antenna comprising: a reflection member having a planar part; a first dipole antenna having a pair of radial parts and a balun part of which one side is connected to a portion facing the pair of radial parts and the other side is connected to the reflection member, the first dipole antenna being provided to the planar part of the reflection member and transmitting/receiving electrical waves having a first polarization by means of the pair of radial parts; and a second dipole antenna having a pair of radial parts and a balun part of which one side is connected to a portion facing the pair of radial parts and the other side is connected to the reflection member, the second dipole antenna being provided to the planar part of the reflection member and transmitting/receiving electrical waves having a second polarization different from the first polarization by means of the pair of radial parts. On the sides of the first dipole antenna and the second dipole antenna that are opposite from the sides facing the respective pairs of radial parts, there are provided bent parts that are bent on the planar-part side of the reflection member or on the side opposite from the planar-part side. Planar joining parts provided to the bent parts face each other, whereby the first dipole antenna and the second dipole antenna are capacitively coupled.
H01Q 21/24 - Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
H01Q 9/16 - Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
H01Q 21/06 - Arrays of individually energised antenna units similarly polarised and spaced apart
26.
STRUCTURE PROVIDED WITH MESH-LIKE TRANSPARENT CONDUCTOR, ANTENNA STRUCTURE, RADIO SHIELDING STRUCTURE, AND TOUCH PANEL
An antenna structure 1, i.e., one example of structures that are provided with a mesh-like transparent conductor, comprises: a film 11 formed of an electrical insulating material that passes visible light; a surface section α, which is provided on one surface of the film 11, is formed of a mesh-like conductive material, and has a predetermined shape; and a bordering section β, which is provided on the one surface of the film 11, and is configured such that at least a part of the end of the surface section α is bordered with a conductive material.
An antenna structure 1 is provided with: a plurality of antenna elements 10 configured individually and arranged discretely; and a base 60 which adheres to at least side surfaces of the plurality of antenna elements 10, in which the plurality of antenna elements 10 are embedded and fixed, and which forms a plate-like outer shape.
H01Q 1/40 - Radiating elements coated with, or embedded in, protective material
H01Q 21/06 - Arrays of individually energised antenna units similarly polarised and spaced apart
H01Q 21/24 - Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
28.
ANTENNA COMPOSITE, ANTENNA STRUCTURE, AND COMMUNICATION SYSTEM
This antenna composite 10 is provided with: a plurality of antenna structures 100, each individually transmitting and receiving radio waves; and a wiring board 300 that is connected to the plurality of antenna structures 100, and has a data line through which data is transmitted and received. Each antenna structure 100 is provided with an antenna unit 110 having directionality for transmitting and receiving radio waves to and from a determined area; and a communication control unit 120 that transmits and receives data via radio waves transmitted and received by the antenna unit 110, and also transmits and receives data via the data line.
H01Q 21/26 - Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
29.
Flexible printed circuit board structure and indoor partition wall
b are formed; a feeding board 21 to which a coaxial cable 30 for feeding the antenna part 10 is connected; and a pressing member 23 which, together with the feeding board 21, sandwiches a contact point 13, coated with silver paste 22, of the antenna part 10, and electrically connects the contact point 13 and the feeding board 21 to one another.
An antenna structure 1 is provided with: a light source 31 that emits visible light; and an antenna unit 10 (antenna 11), which is formed on a film that passes the visible light, and which is formed of a transparent conductor that passes the visible light, said antenna unit being provided on the side to which the light source 31 emits the visible light, and passing the visible light.
This antenna 100 is provided with: a plurality of antenna units 110 (antenna elements 111) each of which tranceives radio waves; an optical waveguide 120 for propagating signals to allow the plurality of antenna elements 111 to transceive radio waves; and a first flexible film 140 and a second flexible film 150 between which the plurality of antenna elements 111 and the optical waveguide 120 are sandwiched and held.
H01Q 21/08 - Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along, or adjacent to, a rectilinear path
H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
An antenna structure 1 which is an example of a structure equipped with transparent conductors is provided with: a sheet 11 which has antennas 12 as an example of transparent conductors and allows visible light to pass therethrough; positioning structures 60 used for positioning the sheet 11 from the non-visible side of a ceiling 100, which is an example of an installation; and flanges 50 used for positioning the sheet 11 from the visible side of the ceiling 100, having lens parts 30 at positions facing the positioning structures 60, and allowing visible light to pass therethrough.
An antenna is provided with: a reflection member having a flat surface portion; a first antenna element which is disposed with respect to the flat surface portion of the reflection member, and transmits and receives radio waves of a first polarization; a second antenna element which, with respect to the flat surface portion of the reflection member, is disposed with one end portion thereof being in proximity to one end portion of the first antenna element, and transmits and receives radio waves of a second polarization different from the first polarization; and a conductive member disposed in the vicinity of an intersection of extensions of the first antenna element and the second antenna element and in proximity to the one end portion of the first antenna element and the one end portion of the second antenna element.
H01Q 1/52 - Means for reducing coupling between antennas Means for reducing coupling between an antenna and another structure
H01Q 5/28 - Arrangements for establishing polarisation or beam width over two or more different wavebands
H01Q 5/30 - Arrangements for providing operation on different wavebands
H01Q 9/16 - Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
H01Q 21/08 - Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along, or adjacent to, a rectilinear path
H01Q 21/24 - Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
This array antenna is provided with: a first conductive member having a planar section; a plurality of antennas, which are arrayed on the planar section at a predetermined first interval to the first conductive member, and which respectively transmit/receive electromagnetic waves of first polarized waves, and electromagnetic waves of second polarized waves that are different from the first polarized waves; and second conductive members, each of which is provided, between the antennas adjacent to each other among the plurality of antennas, at a predetermined second interval to the planar section of the first conductive member, and each of which is capacitively coupled to the first conductive member.
H01Q 1/52 - Means for reducing coupling between antennas Means for reducing coupling between an antenna and another structure
H01Q 19/17 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source comprising two or more radiating elements
H01Q 21/08 - Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along, or adjacent to, a rectilinear path
This antenna is provided with: a dipole element 110; a reflecting plate 120 that is provided at a predetermined distance from the dipole element 110; a dielectric member 50 that is provided with respect to the dipole element 110, said dielectric member being on the dipole element 110 side reverse to the reflecting plate 120; and a changing mechanism 60 that changes, in a state wherein the antenna is installed, the distance between the dipole element 110 and the dielectric member 50.
H01Q 3/14 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying the relative position of primary active element and a refracting or diffracting device
H01Q 1/42 - Housings not intimately mechanically associated with radiating elements, e.g. radome
H01Q 15/08 - Refracting or diffracting devices, e.g. lens, prism formed of solid dielectric material
H01Q 19/06 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens
This antenna structure 1 has: a film 11 which transmits visible light and has antennas 12 formed thereon; power feed units 20 to which coaxial cables 40 for feeding power to the antennas 12 are connected; a flange 50 which transmits visible light and are used for positioning the film 11 from a visible side of equipment; and positioning structures 60 for positioning the film 11 from an invisible side of the equipment.
A processing unit 120 includes, as a plurality of slave machine function units, a single-antenna elementary procedures-compatible slave machine function unit capable of processing a control signal compliant with single-antenna elementary procedures in which only one phase shifter is assigned to one slave machine function unit, and provided for each phase shifter of one or more phase shifters, and at least one multi-antenna elementary procedures-compatible salve machine function unit provided for one or more phase shifters and capable of processing a control signal compliant with multi-antenna elementary procedures in which one or more phase shifters can be assigned to one slave machine function unit. When receiving a control signal compliant with either single-antenna elementary procedures or multi-antenna elementary procedures from a master machine 400, the processing unit 120 determines whether the destination of the control signal is a slave machine function unit compatible with single-antenna elementary procedures or multi-antenna elementary procedures, if the destination is the slave machine function unit compatible with single-antenna elementary procedures, causes the slave machine function unit to execute processing based on the control signal compliant with single-antenna elementary procedures, and if the destination is the slave machine function unit compatible with multi-antenna elementary procedures, causes the slave machine function unit to execute processing based on the control signal compliant with multi-antenna elementary procedures.
H04B 1/38 - Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
An antenna device 10 can obtain a high gain due to comprising the following: a shared polarization bidirectional antenna including a first horizontal polarization antenna 21a and a first vertical polarization antenna 25a which have directivity in a first horizontal direction HD1, and a second horizontal polarization antenna 21b and a second vertical polarization antenna 25b which have directivity in a second horizontal direction HD2 that forms bidirectionality with the first horizontal direction HD1; and another shared polarization bidirectional antenna including a third horizontal polarization antenna 22a and a third vertical polarization antenna 26a which have directivity in a third horizontal direction HD3 intersecting the first horizontal direction HD1, and a fourth horizontal polarization antenna 22b and a fourth vertical polarization antenna 26b which have directivity in a fourth horizontal direction HD4 that forms bidirectionality with the third horizontal direction HD3. Further, a four-branch MIMO antenna can be configured by accommodating the two sets of shared polarization bidirectional antennas in a single radome.
H01Q 21/26 - Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
H01Q 1/42 - Housings not intimately mechanically associated with radiating elements, e.g. radome
H01Q 21/06 - Arrays of individually energised antenna units similarly polarised and spaced apart
H01Q 21/28 - Combinations of substantially independent non-interacting antenna units or systems
39.
PHASE SHIFTER, DISTRIBUTING/SYNTHESIZING DEVICE, ARRAY ANTENNA, AND SECTOR ANTENNA
This phase shifter enables broadening of the frequency band of a sector antenna or the like, and is provided with: at least one reference conductor to which a reference potential is supplied; a first line conductor which faces the reference conductor so as to constitute a transmission path, and to which a signal is inputted; a second line conductor which is disposed on the first line conductor side so as to face the reference conductor and to constitute the transmission path, and from which a signal is outputted; and a third line conductor which is electrically connected to the first and second line conductors in such a manner as to be able to move relative to the first and second line conductors, and which faces the reference conductor so as to constitute the transmission path, wherein at least one of the first, second, and third line conductors has a portion in which the characteristic impedance is different from that in other portions.
H01Q 3/30 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elementsArrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture varying the phase
40.
FLEXIBLE PRINTED CIRCUIT BOARD STRUCTURE AND INDOOR PARTITION WALL
A film antenna 1 to which the present invention is applied comprises: an antenna part 10 in which a two-frequency shared antenna 12a and an antenna GND section 12b are formed; a power feeding board 21 to which a coaxial cable 30 for feeding power to the antenna part 10 is connected; and a pressing member 23 which, together with the power feeding board 21, sandwiches a contact point 13, coated with silver paste 22, of the antenna part 10, and electrically connects the contact point 13 and the power feeding substrate 21 to one another.
An antenna for which the characteristics of an antenna element are not easily affected by radiation of unnecessary electric waves from a power feed line, wherein the antenna is provided with the antenna element for transmitting and receiving electric waves; the power feed line for feeding power to the antenna element; a reference conductor for supplying reference potential to the power feed line; and a case configured using an electrically conductive material. The power feed line is provided in a space configured by capacitive coupling of the reference conductor and the case.
The objective of the present invention is to provide a technique which makes it possible for the directionality pattern of an antenna device to be switched instantaneously with an arbitrarily defined timing. The antenna device according to the present invention is provided, as a basic configuration, with: a plurality of antenna elements; a plurality of RF modules; and a control circuit which acquires a parameter pattern for implementing a certain antenna directionality, from a table including a plurality of parameter patterns for implementing a plurality of types of antenna directionality, and which multiplies transmission and reception data by the parameter pattern in the form of weighting factors. Furthermore, for situations in which at least one abnormality is detected in the plurality of RF modules, and situations in which a change in the parameter pattern is instructed from the outside with an arbitrarily defined timing, the control circuit acts in such a way as to acquire, from the table, a new parameter pattern to replace the parameter pattern currently being used, and apply the new parameter pattern to the plurality of RF modules (see figure 1).
H01Q 3/26 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elementsArrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture
This antenna is equipped with: multiple antenna elements; a phase shifter for shifting the phase of signals transmitted/received by the antenna elements; a cover 11 housing the multiple antenna elements and the phase shifter; a casing 30 attached to the cover 11 and in which an insertion opening is formed; and an electric unit 50 that is installed by being inserted into the insertion opening, and supplies driving force to the phase shifter for shifting the phase. This casing 30 is configured so as to enable the installation of a manual unit 70, which replaces the electric unit 50 and is installed by being inserted into the insertion opening, and which, when manually rotated, causes the phase shifter to shift the phase. Thus, it is possible to switch between a mode wherein the phase of the antenna is adjusted manually and a mode wherein the phase of the antenna is adjusted utilizing driving force.
H01Q 3/32 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elementsArrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture varying the phase by mechanical means
H01Q 21/28 - Combinations of substantially independent non-interacting antenna units or systems
A resonator 10 according to the present invention is provided with: an outer conductor 12 inside which a cavity 11 is formed; and an inner conductor 13 provided in the cavity 11 of the outer conductor 12. The inner conductor 13 comprises: a mobile body 133 provided projecting into the cavity 11; a distal end portion 131 which is a separate member from the mobile body 133 and which covers the distal end of the mobile body 133, on the side of the moving body 133 that projects into the cavity 11; and a supporting rod 132 which is a rod-shaped member disposed inside the mobile body 133, is provided with one end secured to the distal end portion 131 and the other end secured to the mobile body 133, and which has a lower coefficient of thermal expansion than the mobile body 133. By this means it is possible to provide a resonator having a high thermal stability, which is applicable in a plurality of frequency bands, and a filter employing said resonator.
This coaxial cable coupling member (10) is provided with, as an exemplary holder part that holds a coaxial cable, a main body part (11) including a through-hole (12), and a insertion part (13) to be inserted in a notch of a circuit board. The insertion part (13) includes a contact part to be in planar-contact with the circuit board in the lengthwise direction of the coaxial cable, and causes coupling between an internal conductor exposed at the tip of the coaxial cable and a signal conductor provided on a surface of the circuit board, and also causes coupling between a reference conductor provided on the other surface of the circuit board and an external conductor exposed from the coaxial cable inserted in the through-hole (12). Hence, the present invention provides the coaxial cable coupling member, etc., which facilitates simple attachment work, and which suppresses deterioration and variation of signal transfer characteristics caused by coupling.
An electric device or the like equipped with a waterproof cover which without using sealing material or packing is able to prevent the occurrence of adverse effects to the functions of the electric device caused by intrusion of water. A planar antenna (10) as an example of this electric device is provided with: an antenna body (100) comprising antenna elements (120) and a reflector (110) on which the antenna elements (120) are mounted; an antenna cover (200) for covering the antenna elements (120); and holes (203a, 203b) for draining intruding water. The antenna cover (200) includes partition walls (204a, 204c) that are disposed above and below the antenna elements (120) and partition walls (204b, 204d) that are disposed on the right and left sides. The partition walls (204a, 204b, 204c, 204d) extend from the antenna cover (200) so as to come into contact with the reflector (110). Partition walls (204a, 204c) face the space between partition walls (204b, 204d), and the length of partition walls (204a, 204c) is greater than the distance between the outer sides of partition walls (204b, 204d).
A distributed phase shifter (200) comprises: fixed conductors (211, 212, 213) in the forms of segments of circles having respective radii (R1, R2 and R3); a movable conductor (220) that linearly extends to intersect the fixed conductors (211, 212, 213); and a rotation axis (230) placed at a point (O). The fixed conductors (212, 213) each have a characteristic impedance (Z01), while the fixed conductor (211) has a characteristic impedance (Z02) greater than the characteristic impedance (Z01). Thus, it has been arranged that the pattern width of the fixed conductor (211) be smaller than those of the fixed conductors (212, 213). In this way, the radius (R1) for the fixed conductor (211) can be smaller and hence the distributed phase shifter (200) can be simple in structure and small in size.
Provided are a resonator with high temperature stability which is applicable in a plurality of frequency bands by a single housing, and a filter using the resonator. A resonator (10) is provided with a cavity (11) surrounded by an outer conductor (12), and is provided with an inner conductor (13) inserted in the cavity (11) from an opening (12d) of the outer conductor (12), a support rod (15) secured to the inner conductor (13) on one end side, and a cup (16) secured to the outer conductor (12) and holding the support rod (15) on the other end side. A distance (h1) from an upper surface (12c) of the outer conductor (12) to a leading end (13a) of the inner conductor (13) and a distance (h2) from the upper end of the inner conductor (13) to the upper side of a securing plate (14) are set according to a frequency band to be used.
An antenna that has wideband frequency characteristics and can be used with a cross-dipole structure. In said antenna, in shown in element section 210-2b, each element section (210) comprises a curved section (213) joined to straight sections (211 and 212) that have straight edges, wherein the outside edge of the region where the curved section (213) is joined (connected) to one of the straight sections (211) has a radius of curvature of R. The region of each element section (210) where the straight sections (211 and 212) are joined together faces the center (O). Element section 210-2b and element section 210-2a are arranged in a symmetric manner around the center (O), forming an antenna element, and predetermined polarized waves are transmitted and received.
H01Q 9/28 - 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
H01Q 1/42 - Housings not intimately mechanically associated with radiating elements, e.g. radome
H01Q 19/10 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
H01Q 21/08 - Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along, or adjacent to, a rectilinear path
H01Q 21/24 - Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
This array antenna (100) is provided with: a reflection plate (200); low-frequency-band dipole elements (110-1 to 110-3) arrayed in the vertical direction above the reflection plate (200); high-frequency-band dipole elements (120-1 to 120-6) similarly arrayed in the vertical direction above the reflection plate (200); and conductors (130-1 to 130-4) configured from a conductive material and similarly arrayed in the vertical direction above the reflection plate (200). The low-frequency-band dipole elements (110) and high-frequency-band dipole elements (120) are arrayed in an intermixed manner, and the conductors (130) are disposed at the side of the high-frequency-band dipole elements (120) at which the low-frequency-band dipole elements (110) are not disposed. As a result, in the transmission/reception of radio waves in a plurality of frequency bands, an effect of the transmission/reception of radio waves at one frequency band by an antenna element on the directivity or the like in another frequency band is suppressed.
H01Q 1/52 - Means for reducing coupling between antennas Means for reducing coupling between an antenna and another structure
H01Q 21/08 - Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along, or adjacent to, a rectilinear path
H01Q 21/28 - Combinations of substantially independent non-interacting antenna units or systems
An antenna (1) is a low-profile antenna capable of transmitting and receiving radio waves in a direction inclined from a direction perpendicular to a reflecting plate, and is provided with: a reflecting plate (10) comprising a conductor (11) formed from a conductive material, and a plurality of conductor patches (12) formed from a conductive material and arranged at a predetermined distance from the conductor (11) in a direction orthogonal to a plane including the conductor (11); and a dipole element (20) provided at another predetermined distance from the plurality of conductor patches (12) in the direction orthogonal to the plane including the conductor (11). The plurality of conductor patches (12) respectively have regions the ratios of the surface areas of which facing the conductor (11) to a predetermined area vary in a predetermined direction.
H01Q 21/24 - Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
An antenna includes a plurality of antenna elements that transmit and receive radio waves in a plurality of frequency bands, and enables downsizing while the influence which the directivity or the like in the transmission and reception of radio waves in some frequency band receives from an antenna element that transmits and receives at a frequency higher than frequencies within the frequency band is curbed. An antenna unit (110) that constitutes the antenna is provided with a low-frequency antenna that is provided on the surface of a low-frequency reflecting plate (150) and transmits and receives radio waves in a low-frequency band, and a high-frequency antenna that transmits and receives radio waves in a high-frequency band, and is further provided with conductors that are respectively provided toward the reflecting plate from two element parts of the high-frequency antenna, the distance therebetween in a direction parallel to the low-frequency reflecting plate (150) being longer on the side close to the low-frequency reflecting plate (150) than the side far therefrom.
H01Q 19/18 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
H01Q 21/08 - Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along, or adjacent to, a rectilinear path
H01Q 21/24 - Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
H01Q 21/28 - Combinations of substantially independent non-interacting antenna units or systems
An antenna, which has a horizontal polarization antenna (120) and a vertical polarization antenna (130a), can suppress the influence on the directivity and the like of one polarized wave which is caused by another polarized wave in transmission/reception of a plurality of polarized waves, and further this antenna can be made in a small size. The horizontal polarization antenna (120) comprises: element parts (121, 122) that are aligned in the horizontal direction and that constitute a dipole antenna; and grand plates (123, 124) respective one ends of which are connected to each other at a position where the element parts (121, 122) are opposed to each other and the respective other ends of which extend toward and orthogonally to a reflection plate (160). The vertical polarization antenna (130a) comprises: element parts (131a, 132a) that are aligned in the vertical direction and that constitute a dipole antenna; and a grand plate (134) an end of which is connected to the element part (131a) at a position where the element parts (131a, 132a) are opposed to each other and the other end of which extends toward and obliquely to the reflection plate (160) and is connected to the grand plate (124).
H01Q 21/24 - Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
H01Q 19/10 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
H01Q 19/22 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of a single substantially straight conductive element
H01Q 21/08 - Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along, or adjacent to, a rectilinear path
A rectifying element is provided with: a first electrode having a first work function; a second electrode having a second work function greater than the first work function; and a semiconductor layer having a third work function of values between the first work function and the second work function, and bonded to the first electrode and the second electrode. Preferably, the semiconductor layer is set at a thickness that becomes fully depleted in a state in which bias voltage is not applied between the first electrode and the second electrode. Thereby, a rectifying element is provided that achieves high-speed switching characteristics and sufficient rectification.
A phase shifter, which can suppress the loss of transmission/reception signals, comprises: a linear conductor (211); a conductor (212) that curves in the form of a segment of a circle the radius of which is Ro; and a conductor (214) that has a curving portion (214a) curving in the form of a segment of a circle the radius of which is Ri and that also has an extending portion (214b) linearly extending from an end of the curving portion (214a). The conductor (214) rotates about a rotation axis (220), so that the position of a part (α) where the curving portion (214a) overlaps the conductor (211) moves along the curving portion (214a) and the position of a part (β) where the extending portion (214b) overlaps the conductor (212) moves along the conductor (212), whereby the phase (phase shifting amount) can vary.
H01Q 3/32 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elementsArrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture varying the phase by mechanical means
An antenna that has wideband frequency characteristics and is provided with a dipole antenna (110) and a reflector (120). Elements (111, 112) of said dipole antenna (110) each comprise a conductive material, are laid out so as to exhibit point symmetry with respect to a point (O), and each have a curve that curves convexly toward said point (O).
H01Q 9/28 - 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
H01Q 21/08 - Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along, or adjacent to, a rectilinear path
H01Q 21/24 - Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
H01Q 21/26 - Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
In this array antenna, if (a) a pair of antennas (130) are used and transmission signals having the same phase are supplied in parallel via two secondary cables (33) branching off of a main cable (32), letting Z represent the impedance of the main cable (32), the impedance of each secondary cable (33) and the input impedance of each antenna (130) is set to 2Z; if (b) a set of three antennas (130) is used, the impedance of each secondary cable (33) and the input impedance of each antenna (130) is set to 3Z; and if (c) a set of N antennas (130) is used, the impedance of each secondary cable (33) and the input impedance of each antenna (130) is set to N×Z. In each case, the impedances match over a wide frequency band.
H01Q 21/08 - Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along, or adjacent to, a rectilinear path
H01Q 1/42 - Housings not intimately mechanically associated with radiating elements, e.g. radome
H01Q 1/50 - Structural association of antennas with earthing switches, lead-in devices or lightning protectors
H01Q 9/28 - 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
This antenna is provided with: a conductive body; an EBG structural body, which is disposed on the conductive body, and which has a plurality of square elements disposed in matrix; and radiation elements, which are disposed on the EBG structural body. When the wavelength at a design center frequency of the radiation elements is represented by (λo), a distance (L1) between the conductive body and the EBG structural body satisfies 0.01λo≤L1≤0.15λo, preferably, 0.025λo≤L1≤0.085λo, and more preferably, 0.035λo≤L1≤0.07λo.
H01Q 9/16 - Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
H01Q 21/24 - Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Aerials, namely, satellite aerials; amplifiers, namely, audio amplifiers, loudspeakers with built in amplifiers, optical amplifiers, optical semiconductor amplifiers, power amplifiers, radar receivers with amplifiers, signal amplifiers, sound amplifiers, sound mixers with integrated amplifiers, sound projectors and amplifiers, and stereo amplifiers; antennas, namely, antennas for radios, antennas for television, car antennas, cell phone antennas and atennas for mobile telephone communications systems; electromagnetic coils; holders for electric coils; electric coils; GPS tracking devices, namely, global positioning system (GPS) transmitters and global positioning system (GPS) consisting of computers, computer software, transmitters, receivers, and network interface devices; magnetic wires; masts for wireless aerials; video monitors; telecommunications transmitters, namely, cable television transmitters, radio receivers and transmitters, radio transmitters, radio transmitters and receivers, telephone transmitters, television transmitters and video transmitters; transponders; walkie-talkies.
09 - Scientific and electric apparatus and instruments
Goods & Services
(1) Aerials, namely, satellite aerials; amplifiers, namely, audio amplifiers, loudspeakers with built in amplifiers, optical amplifiers, optical semiconductor amplifiers, power amplifiers, radar receivers with amplifiers, signal amplifiers, sound amplifiers, sound mixers with integrated amplifiers, sound projectors and amplifiers, and stereo amplifiers; antennas, namely, antennas for radios, antennas for television, car antennas, cell phone antennas and atennas for mobile telephone communications systems; electromagnetic coils; holders for electric coils; electric coils; GPS tracking devices, namely, global positioning system (GPS) transmitters and global positioning system (GPS) consisting of computers, computer software, transmitters, receivers, and network interface devices; magnetic wires; masts for wireless aerials; video monitors; telecommunications transmitters, namely, cable television transmitters, radio receivers and transmitters, radio transmitters, radio transmitters and receivers, telephone transmitters, television transmitters and video transmitters; transponders; walkie-talkies.
09 - Scientific and electric apparatus and instruments
Goods & Services
[ Aerials; amplifiers; ] antennas [ ; electromagnetic coils; holders for electric coils; electric coils; electric installations for the remote control of industrial operations; electro-dynamic apparatus for the remote control of signals; GPS tracking devices; apparatus for transmission of communication; magnetic wires; masts for wireless aerials; video monitors; remote control telemetering machines and apparatus; electronic apparatus for the remote control of industrial operations; electro-dynamic apparatus for the remote control of signals; telecommunications transmitters; transmitters of electronic signals; transponders; walkie-talkies ]
An omnidirectional vertically polarized antenna is configured with k (k ≥ 3) units of monopole antennas disposed at even intervals upon the circumference of a given circle, and an omnidirectional horizontally polarized antenna is configured with first to mth omnidirectional antennas stacked in m (m ≥ 2) layers in a first direction orthogonal to a reflective plate. The first to mth omnidirectional antennas are configured with n units of half-wavelength dipole antennas. When viewed from the direction on the opposite side of the first direction, the n (n ≥ 3) units of half-wavelength dipole antennas configuring the first to mth omnidirectional antennas are each configured with arcuate conductors, and are disposed at even intervals upon the circumferences of m units of circles of different diameters. The first to mth omnidirectional antennas are stacked toward the first direction from the reflective plate. As a result, a dual polarized antenna is provided which uses omnidirectional antennas which use half-wavelength dipole antennas, thereby achieving omnidirectional directivity within the horizontal plane with less directivity deviation than in the prior art.
H01Q 21/20 - Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along, or adjacent to, a curvilinear path
H01Q 9/16 - Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
H01Q 9/40 - Element having extended radiating surface
H01Q 19/10 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
H01Q 21/24 - Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
H01Q 21/28 - Combinations of substantially independent non-interacting antenna units or systems
Provided is a vertically polarized wave antenna which has a large frequency fractional bandwidth although having a thin structure for a vertically polarized wave. A vertically polarized wave antenna (1) is provided with a ground plate (30), a conductor plate (20), two or more feed conductors (10), short-circuit conductors (15) paired with the respective feed conductors (10). The conductor plate (20) is disposed parallel to the ground plate (30) such that the whole conductor plate (20) overlaps the ground plate (30) when viewed from the normal direction of the ground plate (30), each of the feed conductors (10) connects the ground plate (30) and the conductor plate (20) at a position different from the center of the conductor plate (20), and each of the short-circuit conductors (15) connects the ground plate (30) and the conductor plate (20) in the immediate vicinity of the feed conductor (10) paired with the short-circuit conductor (15).
A power regeneration apparatus comprises a pick-up section (3) that is arranged on a transmission path (2) for transmitting high-frequency waves from a high-frequency source (1) to a high-frequency load (6), and that picks up reflection high-frequency waves generated due to the reflection of the high-frequency waves by the high-frequency load (6); and a high-frequency-wave / DC converting unit (8) that converts the reflection high-frequency waves picked up by the pick-up section (3) into DC power. Provided thereby are a power regeneration apparatus and a power regeneration method wherein high-frequency power can be regenerated and utilized efficiently, a power storage system and a power storage method wherein high-frequency power can be stored and utilized efficiently, and a high-frequency apparatus wherein high-frequency power can be utilized efficiently.
Provided is a multibranched division phase shifter the structure of which is simple, the area of which is small, and the cost of which is low. The multibranched division phase shifter comprises first to nth output side strip conductors, which are formed on a dielectric substrate, which have arc shapes constituting portions of first to nth circular rings, respectively when the first to nth (n≥2) circular rings coaxially arranged to be in the shape of circles with a given point in the center are supposed, and both ends of which are output ends, an input side strip conductor which is formed on the dielectric substrate and one end of which ispositioned on the center of the circular ring, first to nth sliding sections which have arch shapes constituting portions of the first to nth circular rings, respectively and the lengths of which are shorter than that of the output side strip conductor, and an arm section which has the first to nth sliding sections and can rotate around the center of the circular ring. An insulator is interposed between the first to nth output side strip conductors and the first to nth arc-shaped oscillation sections and between the input side strip conductor and the arm section.
A distributed phase shifter capable of changing the phase of a high-frequency signal in a wider band than ever before. The distributed phase shifter comprises an output-side strip conductor which has a shape of a circular arc which is a part of a circular ring and has its both ends serving for output ends, an input-side strip conductor with its one end positioned at the center of the circular ring, a sliding portion which has a shape of a circular arc which is a part of the circular ring and is shorter than the output-side strip conductor, and an arm portion which has a sliding portion at the end and can be turned around the center of the circular ring. An insulating material is interposed between the output-side strip conductor and the circular-arc sliding portion and between the input-side strip conductor and the arm portion. A ring-shaped conductor of the input-side strip conductor and a ring-shaped conductor of the arm portion face each other via the insulating material. The arm portion consists of a first and a second line each of which has its one end connected to the sliding portion and the other end electrically connected to the ring-shaped conductor of the arm portion.
09 - Scientific and electric apparatus and instruments
Goods & Services
Telecommunication devices and apparatus; electronic
machines, apparatus and their parts; power distribution or
control machines and apparatus; rotary converters; phase
modifiers; electric wires and cables.
09 - Scientific and electric apparatus and instruments
Goods & Services
Telecommunication devices and apparatus; electronic
machines, apparatus and their parts; power distribution or
control machines and apparatus; rotary converters; phase
modifiers; electric wires and cables.
