An object of the present invention is to make it possible to flexibly adjust the incidence wave directivity in a vertical plane or a horizontal plane by making the incident directivity reconfigurable. Provided is a variable reflect array, having a variable mechanism unit configured to change interval between the plurality of supercells, and, the variable mechanism unit is configured to change one of an incidence angle and a reflection angle with respect to the electromagnetic wave of the predetermined wavelength, and, keep the other of the incidence angle and the reflection angle constant with respect to the electromagnetic wave of the predetermined wavelength, by changing the interval between the plurality of supercells.
[Problem] To make it possible to flexibly adjust incidence directivity within the vertical plane or horizontal plane by making the incidence directivity reconfigurable. [Solution] Being equipped with a variable mechanism which makes it possible to vary the interval between a plurality of super cells, wherein one angle among the incidence angle and the reflection angle relative to electromagnetic waves of a prescribed wavelength remains constant while the other of said angles changes when the interval between the plurality of super cells in the variable mechanism changes.
Induction heating device, radioactive waste melting process device equipped with said induction heating device, and radioactive waste melting and solidification process device
Provided is an induction heating device with which discharging can be easily avoided even when a large electric current is used. The induction heating device comprises a high-frequency power supply provided with a connection portion for an alternating-current power supply, and a heating coil portion connected to the high-frequency power supply. In the heating coil portion, a plurality of coils include n coils surrounding a cavity portion in a plane, wherein the plurality of coils are mutually connected in series via one of a plurality of capacitors.
The present invention realizes a thin dual-polarized leaky-wave antenna which uses a CRLH (Composite Right/Left Handed) transmission line and capable of obtaining a high tilt angle in a directivity in the vertical plane while suppressing cross polarization and side lobe at a target operation frequency.
L) constituting the CRLH transmission line are formed on a top surface of the dielectric substrate.
H01Q 13/26 - Surface waveguide constituted by a single conductor, e.g. strip conductor
H01Q 13/20 - Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
H01P 3/00 - Waveguides; Transmission lines of the waveguide type
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 21/08 - Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along, or adjacent to, a rectilinear path
H01Q 13/20 - Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
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
6.
INDUCTION HEATING DEVICE, RADIOACTIVE WASTE MELTING PROCESS DEVICE EQUIPPED WITH SAID INDUCTION HEATING DEVICE, AND RADIOACTIVE WASTE MELTING AND SOLIDIFICATION PROCESS DEVICE
Provided is an induction heating device with which discharging can be easily avoided even when a large electric current is used. The induction heating device comprises a high-frequency power supply provided with a connection portion for an alternating-current power supply, and a heating coil portion connected to the high-frequency power supply. In the heating coil portion, a plurality of coils include n coils surrounding a cavity portion in a plane, wherein the plurality of coils are mutually connected in series via one of a plurality of capacitors.
H05B 6/44 - Coil arrangements having more than one coil or coil segment
F27D 11/06 - Induction heating, i.e. in which the material being heated, or its container or elements embodied therein, form the secondary of a transformer
To provide a leaky-wave antenna that allows dual-polarization without limiting an emission range to either side. The antenna includes as an element unit (AE) a CRLH transmission line configured by multiply connecting CRLH unit cells (UC) in a periodic fashion between one ends and the other ends of two parallel lines (La, Lb). The respective unit cells (UC) have a left-handed series capacitor (C1, C2) on each of the two parallel lines (La, Lb) and have a left-handed parallel inductor (L1) between the two parallel lines (La, Lb). When power is fed between the two parallel lines (La, Lb), the two parallel lines (La, Lb) and the series capacitor (C1, C2) serve to emit a vertical polarization component, and the parallel inductor (L1) and a conductor between the two parallel lines (La, Lb) serve to emit a horizontal polarization component.
H01Q 13/20 - Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
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 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 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
H01Q 15/00 - Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
H01Q 25/00 - Antennas or antenna systems providing at least two radiating patterns
8.
Base station antenna apparatus for mobile communication system
The apparatus automatically corrects deformation of directivity in a vertical plane caused by abnormality in transmission paths and receiving paths. The apparatus includes transmission system detection means (13-1 to 13-4) configured to individually detect abnormality occurring in each of the transmission paths, receiving system detection means (23-1 to 23-4) configured to individually detect abnormality occurring in each of the receiving paths, and control means (30, 40) configured, if any abnormal transmission path has been detected by the transmission system detection means (13-1 to 13-4), to correct deformation of directivity of the transmission antenna in a vertical plane caused due to abnormality in the transmission path by changing and setting a phase and an amplitude of the transmission signal passing through a normal transmission path, and if any abnormal receiving path has been detected by the receiving system detection means (23-1 to 23-4), to correct deformation of directivity of the receiving antenna in a vertical plane caused due to abnormality in the receiving path by changing and setting a phase and an amplitude of the receiving signal passing through a normal receiving path.
H04M 1/00 - Substation equipment, e.g. for use by subscribers
H04B 17/17 - Detection of non-compliance or faulty performance, e.g. response deviations
H01Q 1/24 - Supports; Mounting means by structural association with other equipment or articles with receiving set
H01Q 3/34 - 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 distribution of energy across a radiating aperture varying the phase by electrical means
H01Q 3/28 - 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 distribution of energy across a radiating aperture varying the amplitude
H04B 17/12 - Monitoring; Testing of transmitters for calibration of transmit antennas, e.g. of amplitude or phase
H04B 17/14 - Monitoring; Testing of transmitters for calibration of the whole transmission and reception path, e.g. self-test loop-back
A heat-treatment device 10 includes a table 11 on which a ring-shaped workpiece W can be placed, and a pair of heat processing units 20 for heat-processing the peripheral surface of the workpiece W. The heat-treatment device 10 is used for obtaining the workpiece W having desired properties by the heat-processing the workpiece W while the pair of heat processing units 20 move in opposite directions along the peripheral surface of the workpiece W. The heat-treatment device 10 is configured in such a way that a pair of revolving arms 30 movable relative to the table 11 oscillate the pair of heat processing units 20 relative to the workpiece W, thereby heat-processing the peripheral surface of the workpiece W. By adopting such a configuration, it is possible to obtain a heat-treatment device heat-processing the entire circumference of a ring-shaped workpiece.
Provided is a leaky wave antenna that enables dual polarization and for which an emission region is not limited on one side. A leaky wave antenna is provided with, as an element unit (AE), a CRLH transmission line having a configuration in which unit cells (UC) having a CRLH configuration are connected in multiple stages periodically between one ends and the other ends of two parallel lines (La, Lb). The unit cells (UC) have a configuration in which left-handed series capacitors (C1, C2) are respectively inserted into the two parallel lines (La, Lb) and left-handed parallel inductors (L1) are inserted between the two parallel lines (La, Lb). By feeding power between the two parallel lines (La, Lb), the two parallel lines (La, Lb) and the series capacitors (C1, C2) operate as an emission source of a vertical polarization component, and the parallel inductors (L1) and an electric conductor between the two parallel lines (La, Lb) operate as an emission source of a horizontal polarization component.
H01Q 13/20 - Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
A structure of a transfer mechanism is supported by a bearing (15) attached to a disc (10) of a rotary table (1), connects between driven shafts (20) extending in a direction parallel to a rotation shaft (11) and a driving shaft (30) which rotates and drives the rotation shaft (11), and transfers rotation power from the driving shaft (30) to the driven shafts (20). Rollers (31) that turn around a radially extending shaft are arranged at intervals on an outer periphery of one of the driven shafts (20) and the driving shaft (30) in a circumferential direction, and at least one radially extending pins (23) are provided on an outer periphery of the other of the driven shafts (20) and the driving shaft (30), and the pins (23) enter among the rollers (31) arranged adjacent to one another in the circumferential direction in a state in which the driven shafts (20) and the driving shaft (30) are connected.
This invention, which automatically corrects distortions in vertical plane directivity due to anomalies in transmission routes or reception routes, is provided with the following: transmission-system detection means (13-1 through 13-4) that individually detect anomalies in respective transmission routes; reception-system detection means (23-1 through 23-4) that individually detect anomalies in respective reception routes; and a control means (30, 40) that, if an anomalous transmission route is detected by a transmission-system detection means (13-1 through 13-4), modifies transmission-signal phase and amplitude settings for normal transmission routes so as to correct distortion in transmission-antenna vertical plane directivity due to the transmission-route anomaly, and if an anomalous reception route is detected by a reception-system detection means (23-1 through 23-4), modifies reception-signal phase and amplitude settings for normal reception routes so as to correct distortion in reception-antenna vertical plane directivity due to the reception-route anomaly.
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 distribution of energy across a radiating aperture
This heat-treatment device (10) comprises a table (11) whereon a circular workpiece (W) can be placed, and a pair of heat processing units (20) for heat processing the peripheral surface of the workpiece (W). This heat-treatment device (10) is used for obtaining the workpiece (W) having the desired properties by subjecting the workpiece (W) to heat processing while the pair of heat processing units (20) move in opposite directions from one another along the peripheral surface of the workpiece. This heat-treatment device (10) is constituted in such a way that a pair of rotary arms (30) movable relative to the table (11) cause the pair of heat processing units (20) to oscillate relative to the workpiece (W), thereby heat processing the peripheral surface of the workpiece (W). Adopting such a constitution allows a heat-treatment device to be obtained, whereby heat processing becomes possible over the entire circumference of the peripheral surface of the circular workpiece.
To reduce coupling between transmission and reception while implementing sharing of polarized waves for both the transmitting band and the receiving band at the same time. Patch antenna for transmitting band and patch antenna for receiving band, which are arranged at predetermined spacing, include an upper-stage ground conductor; a lower-stage ground conductor; a feed line which is arranged among the ground conductor and the lower-stage ground conductor; a feed slot which is formed on the upper-stage ground conductor; a patch which is electromagnetically coupled with the feed line via the feed slot; and electromagnetic shielding members which are connected with the upper-stage ground conductor and the lower-stage ground conductor in a state in which the electromagnetic shielding members are located around the feed line. The feed line includes independent feeding conductors corresponding to respective polarized waves.
H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
H01Q 1/52 - Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
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 21/06 - Arrays of individually energised antenna units similarly polarised and spaced apart
H01Q 1/24 - Supports; Mounting means by structural association with other equipment or articles with receiving set
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 structure for a transmission mechanism connects: a driven shaft (20) which is supported by a bearing (15) mounted on the circular plate (10) of a rotating table (1) and which extends parallel to a rotating shaft (11); and a rotating and driving drive shaft (30), the transmission mechanism transmitting the power of the drive shaft (30) to the driven shaft (20). Rollers (31) which rotate about radially extending axes, respectively, are arranged at circumferential intervals on the outer periphery of either the driven shaft (20) or the drive shaft (30). At least one radially extending pin (23) is provided on the outer peripheral section of the other of the driven shaft (20) and the drive shaft (30). The pin (23) enters between circumferentially adjacent rollers (31) while the driven shaft (20) and the drive shaft (30) are connected.
Provided are a high-frequency induction continuous heating device and a high-frequency induction continuous heating method that, for workpieces of multiple kinds, enable work efficiency of a heat treatment to be improved and uniformity of the heat treatment across the workpieces to be improved. With this high-frequency induction continuous heating method, wherein workpieces (W) mounted on the conveying surface (2a) of a conveyer (2) are conveyed, and each workpiece (W) on the conveying surface (2a) is heated by means of high-frequency induction heating coils (3) that are provided on either side of the conveyer (2) in the width direction perpendicular to the conveyance direction (indicated by arrow D), the workpiece (W) is rotated at a predetermined angle (θ) with respect to an axial line, which extends perpendicular to the conveying surface (2a), so as to change the orientation of the workpiece (W) while the workpiece (W) is being conveyed. A high-frequency induction continuous heating device (1) utilizes said method.
The objective of the invention is to reduce coupling between transmission and reception while achieving sharing polarizations between transmission and reception bands. A transmission band patch antenna (3-T) and a reception band patch antenna (3-R), which are disposed with a given spacing therebetween, each comprise: an upper grounded conductor (9); a lower grounded conductor (19); feeding lines (15) disposed between the grounded conductors (9, 19); a feeding slot (13) formed in the upper grounded conductor (9); a patch (5) that is electromagnetically coupled to the feeding lines (15) through the feeding slot (13); and electromagnetic shields (23, 29) that are connected to the upper and lower grounded conductors (9, 19) in such a manner that the electromagnetic shields (23, 29) surround the feeding lines (15). The feeding lines (15) include mutually independent feeding conductors (15a, 15b) corresponding to respective polarizations.
H01Q 13/08 - Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
H01Q 1/52 - Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
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
18.
STRUCTURE OF GUIDE CHIP FOR HIGH-FREQUENCY INDUCTION HEATING COIL
A structure of a guide chip for a high-frequency induction heating coil which can be always positioned correctly in the width direction of a journal portion or pin portion of a crankshaft and eventually can always position a high-frequency induction heating coil having a semi-open saddle structure in the width direction of the journal portion or the pin portion. Guide chips (21a to 21c) each comprise a pair of flexible bodies (24a, 24b, 24c) having a spring function arranged on side plates (7, 7), a pair of chips (29a, 29a) fixedly disposed inside the pair of flexible bodies facing each other, and a pair of chip fixing boards (30a, 30a) fixedly disposed inside the pair of chips. The guide chips are structured in such a manner that a gap (32) may be formed between the inner surfaces of the pair of chip fixing boards in a free state, with the gap (32) becoming narrower or disappearing due to the spring function of the pair of flexible bodies as the guide chip is inserted between adjacent counter weights (3, 3), and the width between the outer surfaces of the pair of chips is set larger than the width of the journal portion (2) or pin portion (4).
An arrangement structure of guide chips for a high-frequency induction heating coil which can be relatively easily and inexpensively implemented, wherein the center of a journal portion or pin portion of a crankshaft can be correctly positioned and the journal or pin portion can be evenly heated by high-frequency induction heating to homogenize a hardening layer. A guide chip (21a) for a high-frequency induction heating coil on the upper side is fixedly attached to a side plate (7), while at least one of guide chips (21b, 21c) for a high-frequency induction heating coil on the right and left sides is so disposed as to be movable in the radial direction of a journal portion (2) or pin portion (4). The dimension between the guide chips (21b, 21c) for a high-frequency induction heating coil on the right and left sides is so set as to be smaller than the outer diameter of the journal portion (2) or pin portion (4) in a free state wherein none of the three guide chips (21a, 21b, 21c) for a high-frequency induction heating coil are in contact with the journal portion (2) or pin portion (4).
patents
