73 results about "Planar antennas" patented technology

A wireless-access point includes a first radio to transmit RF signals in a first channel; a second radio to transmit, simultaneously to transmissions of the RF signals by the first radio, RF signals in a second, non-overlapping channel; and a plurality of planar antennas coupled with corresponding first and second radios to receive the RF signals. First and second planar antennas are coupled with the first radio to receive therefrom, in the first channel, a first RF signal and a second RF signal, respectively. The first planar antenna is arranged with its normal along a first direction. The second planar antenna is arranged with its normal along a second, different direction. A third planar antenna is coupled with the second radio to receive therefrom a third RF signal in the second channel, the third planar antenna being arranged with its normal along a third direction.

Provided herein are various enhancements for radio frequency antennas and antenna assemblies. In one example, an antenna assembly includes a cavity structure comprising an interior volume surrounded by a wall and having an opening at a first longitudinal end and a cap at a second longitudinal end. A conductive material disposed on a portion of the wall of the cavity structure and the cap such that a dielectric gap is established between the conductive material and a planar antenna when the planar antenna is coupled onto the first longitudinal end of the cavity structure.

A microstrip patch log periodic antenna (MSPLPA) may include a ground plane, a dielectric material, a printed circuit board comprising a microstrip patches. Each of the microstrip patches may be configured to transmit and / or receive signals. The dielectric material may be disposed between the ground plane and the printed circuit board. Each of the microstrip patches may be frequency scaled.

The embodiment of the invention provides an antenna assembly and electronic equipment. The antenna assembly comprises a breakpoint-free metal frame, an antenna branch knot and a parasitic branch knot, the antenna branch and the parasitic branch are arranged on the base plane of the breakpoint-free metal frame; the antenna directions of the antenna branch knot and the parasitic branch knot are arranged towards a clearance zone in the breakpoint-free metal frame, and the joint of the parasitic branch knot and the base plane is arranged far away from the clearance zone relative to a feeding point on the antenna branch knot; wherein the antenna branch is used for covering medium-high frequency wave bands through a direct feed excitation mode, a mode of space coupling excitation of the breakpoint-free metal frame and a mode of space coupling excitation of the parasitic branch. The antenna assembly is used for achieving the balance effect of integrated design of multi-band efficient radiation and beauty in a limited space.

This paper describes a multi-port planar antenna system with digital reconfigurability to adjust the beamdirection function of the system. A substrate is provided, and a grid of parasitic elements is printed on the surface of the substrate. One or more driving radiating elements, such as monopole antennas or dipole antennas, are printed on the substrate near the parasitic elements. Switching elements between adjacent parasitic elements are then configured to guide the radiation direction in a specific direction in the azimuth plane. The small form factor of this planar antenna system can be used in MIMO applications employed by fifth-generation (5G) devices such as mobile phones, Internet of Things (IoT) devices, and vehicles.

The invention discloses an antenna near-field coupling partitioning method for scattered radiation collaborative design of a planar antenna, and relates to the technical field of antennas. The method comprises the following steps: acquiring electromagnetic field distribution data of an antenna under a target working frequency; then, according to the electromagnetic field distribution data, calculating a field function partition criterion index of the space around the antenna, so as to divide a function area of the near field of the antenna; and finally, according to the field function partition criterion index, dividing the function areas of the near field of the antenna, and loading different electromagnetic function structures in different function areas. According to the method, a systematic and quantifiable design criterion is adopted, the method is used for near-field coupling partition of the planar antenna, the layout of electromagnetic functional structures with different functions is guided, and therefore the collaborative decoupling design of the radiation performance and scattering performance of the antenna is achieved.

Image pickup apparatuses capable of ensuring sufficient wireless performance while suppressing an increase in size of the image pickup apparatuses, are provided. An image pickup apparatus includes a rectangular wireless antenna with an antenna pattern in a planar shape, a housing having a substantially hexahedral shape and including a conductive member, and a wireless cover that forms a part of a ridge extending between a rear surface and an upper surface of the housing. The wireless cover is formed of a non-conductive member. The wireless antenna is arranged inside the image pickup apparatus while facing the wireless cover at a predetermined angle with respect to the housing around an axis extending in a width direction of the image pickup apparatus.

A switching element includes a phase transition layer that includes a substance that undergoes a metal-insulator phase transition and is arranged on signal lines through which signals to be transmitted and received propagate, a heat conduction layer that is an insulator having a thermal conductivity higher than a thermal conductivity of the phase transition layer and is formed on a surface of the phase transition layer, and a heat generation element that has a rectangular shape having a long side along a direction perpendicular to an extension direction of the signal lines and a short side shorter than a side length of the phase transition layer, and that is thermally connected to the phase transition layer and the heat conduction layer.

This specification provides one or more embodiments of an antenna structure and a ring-shaped device. The antenna structure includes: a substrate ring; an antenna coil disposed circumferentially on the substrate ring, the antenna coil having a ring antenna sensing region and a planar antenna sensing region, the magnetic field direction of the ring antenna sensing region being arranged along the axial direction of the substrate ring, and the magnetic field direction of the planar antenna sensing region being parallel to a plane perpendicular to the axial direction.

The disclosure describes examples of antennas used for communication with an implantable medical device (IMD). As one example, the IMD includes a housing configured to house communication circuitry within an internal side of the housing, and a planar antenna, having a curved structure, that is stacked on an external side of the housing and coupled to the communication circuitry. As another example, the IMD includes a housing configured to house communication circuitry within an internal side of the housing and an antenna having a curved structure formed on an external side of the housing and coupled to the communication circuitry. A resonant frequency of the antenna is based on a dielectric constant of tissue surrounding the antenna when the IMD is implanted, and a current distribution of the antenna is in-phase in opposite sides of the antenna.

A package structure is provided that includes a planar core structure including a first side and a second side opposite the first side. The package structure also includes an antenna structure disposed on the first side of the planar core structure. The antenna structure includes a plurality of first stacks, each first stack including a first patterned conductive layer formed on a first insulating layer, an antenna formed on one or more first patterned conductive layers of the first stack, the antenna including at least one L-shaped structure. The package structure also includes an interface structure disposed on the second side of the planar core structure, and an antenna feed structure formed in the interface structure and the planar core structure and routed through the interface structure and the planar core structure, wherein the antenna feed structure is not connected to the planar antenna.

There is provided a first device comprising means for: transmitting, to a second device, information indicative of a geometry of a plurality of non-planar antennas of the first device; determining at least two reference antennas of the plurality of non-planar antennas based on information indicating a geometry of the plurality of non-planar antennas; and transmitting the reference signal to the second device via the determined at least two reference antennas without transmitting the reference signal via the remainder of the plurality of non-planar antennas.

The application discloses a light paper-based planar lens for electromagnetic wave beam steering and a planar antenna thereof, and belongs to the technical field of antennas. The paper-based main body is formed by surrounding a periodic interval arranged cavity structure with a sheet-shaped paper-based body, and has two opposite planes, i.e. an incident plane and an emission plane of electromagnetic waves; the sheet-shaped paper-based body is distributed with symbol units of a film-shaped metal material; the symbol units are compared with the metal surface area of the symbol units in a unit volume in the paper-based main body, and the metal surface area of a unit volume in the middle of the planar lens is greater than that of the periphery of the planar lens. The planar antenna further comprises a feed source which is installed close to the incident plane; electromagnetic waves propagate in the planar lens in a curved path and converge to be emitted out of the planar lens. When the feed source moves, the application can realize wide-angle scanning of the beam, and in a scanning range of ±50 degrees, the gain of the planar antenna decreases by less than 2dB, and very high gain and aperture efficiency can be achieved.

The utility model provides a high-gain high-sensitivity photon wireless signal transmitting and receiving shared device. The high-gain high-sensitivity photon wireless signal transmitting and receiving shared device comprises a metal shell, a silicon lens, a PCB circuit board, an optical fiber module, a PIN-PD integrated antenna chip, a planar antenna, a horn antenna and the like, wherein the silicon lens, the PCB circuit board, the optical fiber module, the PIN-PD integrated antenna chip and the planar antenna are fixed in the metal shell; the high-gain high-sensitivity photon wireless signal transmitting and receiving common device provided by the embodiment of the utility model not only can be used as a photon wireless signal receiving device, but also can be used as a photon wireless signal transmitting device; in addition, the photon wireless signal transmitting and receiving sharing device provided by the embodiment of the utility model can achieve the effects of improving the signal transmitting power and improving the signal receiving sensitivity. In addition, the purpose of continuously adjusting the transmitting frequency can be achieved.

To provide a planar antenna equipped with a temperature-controllable metal-insulator phase transition element using a thin-film transistor circuit.SOLUTION: A planar antenna 1 includes an antenna substrate 11 on which are arranged at least one patch antenna P, a signal line LS electromagnetically coupled to the patch antenna P, and a metal-insulator phase transition element V provided on the signal line LS, and a temperature control substrate including a thin-film transistor circuit, having at least one heating element H temperature-controlled using the thin-film transistor circuit as a drive circuit. The antenna substrate and the temperature control substrate are laminated together such that heat from the heating element H can be conducted to the metal-insulator phase transition element V.SELECTED DRAWING: Figure 2

The application relates to an antenna module, a laminated assembly and a vehicle. In the antenna module, the currents on the two feeding branches of a dipole antenna are in and out, so that the currents on the two feeding branches of the same dipole antenna are in phase, the currents on the two radiation branches are in the same direction and in phase, the currents on the radiation branches of multiple dipole antennas are in phase and are transmitted in the same direction, a ring-distributed radiation branch is constructed, a current ring is formed on the multiple radiation branches when a feeding port accesses an excitation signal, and a ring current resonance mode at a target frequency band is supported. Planar antenna arrangement can be performed on any non-conductor plane substrate, when applied to a vehicle, metal arrangement such as a vehicle bumper can be avoided, a single antenna module can support omnidirectional radiation at a target frequency band, the number of antenna modules is reduced, and the antenna cost is reduced.

The invention relates to a three-dimensional ultra-wideband Vivaldi antenna, and belongs to the technical field of electromagnetic fields and microwaves. The antenna is expanded in the H-plane direction, and a traditional planar antenna is converted into a three-dimensional antenna, so that the radiation aperture area of the antenna is effectively increased, and the radiation efficiency of the antenna is improved. The antenna comprises a feed structure and a double-radiation structure, the feed structure is composed of a coaxial line, a microstrip line and two microstrip line-to-parallel double lines, and the double-radiation structure is composed of two Vivaldi antennas which are the same in shape and are in mirror symmetry. Under the condition that the size of the E surface of the antenna is kept unchanged, the radiation aperture area is increased through the three-dimensional design, the radiation efficiency of the antenna and the aperture utilization rate of the array antenna are effectively improved, the technical problems that a traditional planar Vivaldi antenna is low in radiation efficiency, and the aperture is wasted during array application are solved, and the antenna is suitable for large-scale popularization and application. And miniaturization of the array antenna can be realized to a certain extent. In addition, the antenna structure form has high universality and can be suitable for antennas in other forms.

Provided herein are various enhancements for planar antennas and corresponding antenna arrays. In one example, an assembly includes a plurality of antenna cells formed in a shared printed circuit board stackup, a rigid superstrate layer mounted onto the printed circuit board stackup, and a substrate layer mounting the printed circuit board stackup to a baseplate. Each of the antenna cells comprise conductive plates at quadrants of the antenna cell and coupled through vias in the layered stackup arrangement from a plate layer to a ground plane layer, flared antenna feeds arranged in an orthogonal pair positioned within central gaps between the conductive plates and below the plate layer, and barrier vias positioned in sets below the conductive plates in each of the quadrants and arrayed about the flared antenna feeds.

A mounting fixture assembly 100 for a flat antenna (10, Figure 2A) comprises: a cabinet component assembly 110 having a base member 112 and opposing side brackets 114 to secure the assembly to opposin

The invention provides a surface acoustic wave temperature sensor, a manufacturing method and a demodulation system, and belongs to the technical field of sensors. The sensor comprises a piezoelectric substrate, four groups of interdigital transducers formed on the piezoelectric substrate, four groups of reflecting gratings and a group of planar antennas, wherein the surface of the piezoelectric substrate between the two groups of interdigital transducers is covered with a temperature sensitive film, and the two groups of reflecting gratings, the two groups of interdigital transducers, the temperature sensitive film and the piezoelectric substrate form a detection resonance area; the other two groups of interdigital transducers, the other two groups of reflecting gratings and the piezoelectric substrate form a reference resonance region; an isolation groove is formed in the piezoelectric substrate between the detection resonance area and the reference resonance area; and one end of the planar antenna is connected with the group of interdigital transducers in the detection resonance area, and the other end of the planar antenna is connected with the group of interdigital transducers in the reference resonance area. According to the invention, differential compensation of common-mode interference is realized, propagation of surface acoustic waves of the detection resonance area to the reference resonance area is blocked through the isolation groove, and coupling interference between the two resonators is reduced.

The invention relates to the technical field of spaceborne planar antenna unfolding, in particular to a passive high-precision space planar antenna unfolding mechanism which comprises a passive unfolding structure composed of an execution unit and a driving unit, a male hinge and a female hinge. Two ends of the passive unfolding structure are respectively connected with the bottoms of the two antenna substrates through a male hinge and a female hinge; the bottom protruding end of the execution unit is hinged to the bottom protruding end of the driving unit. A volute spring is arranged at the hinged part to drive the driving unit to rotate; the execution unit and the driving unit are matched to form two groups of locking structures; a female hinge push rod of the driving unit serves as a key and is inserted into a lock hole of the execution unit to form a first locking structure. A flat spring is arranged at one end, limited in the lock hole, of the pre-tightening spring piece and extends to the outer portion of the execution unit shell to be connected with a locking piece of the driving unit in a matched shackle mode, and a second locking structure is formed. The device is purely mechanically driven, is less affected by the environment, and is simple in principle and high in reliability.

A planar antenna including an antenna substrate on which at least one patch antenna, a signal line connected to the patch antenna, and a metal-insulator phase transition element provided on the signal line are arranged, and a temperature control substrate including a thin film transistor circuit and in which at least one heat generating element whose temperature is controlled by the thin film transistor circuit is disposed, wherein the antenna substrate and the temperature control substrate are laminated such that heat of the heat generating element can be conducted to the metal-insulator phase transition element.

Antenna element (100, 200, 300, 400, 500, 600, 900), comprising: - a planar antenna electrode (110) with a main surface (112), wherein the main surface (112) of the antenna electrode (110) has at least one depression (114) and at least one elevation (116), - a substrate (640) on which the antenna electrode (110) is formed, and - a ground electrode (810), namely a ground plane, which is arranged on one side of the substrate (640) opposite the antenna electrode (110), - wherein - the antenna electrode (110) and / or at least its main surface (112) has a three-dimensional surface deformation in a third spatial direction which is orthogonal to two spatial directions lateral to the main surface (112), and - the substrate (640) has a has a sloping edge region, such that on one side of the substrate (640) opposite the antenna electrode (110) there is a surface at least partially surrounded by the substrate (640), i.e.a partially enclosed installation space is available,- wherein the sloping edge area forms inclined or vertical side walls of the installation space partially enclosed by the substrate (640), and- wherein the ground electrode (810) is arranged between- the side of the substrate (640) opposite the antenna electrode (110) and- the installation space which is at least partially enclosed.

A mechanism for sensing power conversion information about a power conversion performed by a power converter. The power converter includes a first substrate with at least one planar coil printed thereon. Another planar coil is magnetically coupled to this planar coil, to form a transformer. A planar antenna, printed upon a second substrate, is positioned to receive a leakage electromagnetic field from one of the planar coils, and produce electrical flow responsive thereto. A detector also on the second substrate monitors this electrical flow to produce the power conversion information and control a second-stage power conversion portion between the another planar coil and an output of the power converter.

The invention is classified as measuring equipment, particularly for measurement of the power density of non-ionizing electromagnetic radiation and the total energy density. The device includes planar antenna and detection unit. Therewith, the detection unit is built in the receiving surface of the planar antenna, and it interacts with the antenna through the high-frequency fields and currents, while the detection unit with the antenna create unified electrodynamic receiving structure. The technical result is to ensure the minimum mismatch of antenna and detector in the upper frequency range while preserving the possibility to measure the power density of non-ionizing electromagnetic radiation and the total energy density in the hyper-broadband range.

A method for assembling radio tags is provided. A tag substrate may include a planar mounting material, a planar antenna formed on the planar mounting material, and a first fiducial mark formed on the planar mounting material. Cuts may be formed at an IC assembly region of the planar antenna, to form an antenna gap, and on the first fiducial mark. An adhesive may be applied to the antenna gap, and a radio IC may be optically aligned across the antenna gap by using the cut on the first fiducial mark. The aligned radio IC may be attached to the planar antenna using the adhesive such that the radio IC bridges the antenna gap.

The invention discloses a self-sensing electromagnetic reflection scattering response regulation and control device and method, and the device comprises a reconfigurable electromagnetic metasurface which comprises a plurality of metasurface units which are arranged at intervals, and each metasurface unit achieves the reflection phase adjustment of the metasurface unit through the flowing position of liquid metal in a micro-channel; the reconfigurable planar antenna comprises a plurality of antenna units, and the antenna units realize the frequency and directional diagram reconstruction of the antenna through the flowing position of the liquid metal in the micro-channel; and the driving control unit is used for generating a coding sequence of the reconfigurable electromagnetic metasurface according to the incident wave electromagnetic parameters sensed by the reconfigurable planar antenna and driving liquid metal in the reconfigurable electromagnetic metasurface to flow according to a position state corresponding to the coding sequence. According to the invention, the frequency and direction of incident electromagnetic waves are sensed by the reconfigurable planar antenna, real-time coding adjustment of the metasurface array is realized, and then adaptive electromagnetic reflection and scattering adjustment is realized.

The utility model discloses a millimeter wave broadband planar antenna with a notch characteristic. The millimeter wave broadband planar antenna comprises a dielectric layer; the radiation layer is located on the first surface of the dielectric layer, the radiation layer is provided with a radiation body, a feeder line and a microstrip line, and the radiation body is provided with a cross-shaped gap; the radio frequency ground layer is located on the second surface of the dielectric layer, and the radio frequency ground layer is provided with a metal patch; the antenna is a millimeter wave broadband planar antenna, has the advantage of in-band notch, and can effectively suppress in-band interference.

Systems related to an ultra-wideband dual polarization antenna system. One system includes a first rounded-cornered square planar antenna face, a first plurality of radiating element traces, each of the first radiating element traces extending flexuously from a center of the first rounded-cornered square planar antenna face to a corner edge of the first rounded-cornered square antenna face, and a first plurality of ridged antenna elements electrically coupled to each of the first plurality of radiating element traces extending upward from the first rounded-cornered square planar antenna face. Each of the first plurality of antenna elements are positioned along an edge of the first rounded-cornered square planar antenna face.

A planar antenna is defined with a first axis having a first direction and a second direction opposite to the first direction and a second axis having a third direction and a fourth direction opposite to the third direction and includes a substrate having a surface on which a first radiation element, a first ground element, a second radiation element, and a second ground element are disposed. An end of a first main section of the first radiation element is for being fed with a signal. The first ground element is on a side of the first radiation element in the second direction. The second radiation element is on a side of the first main section in the third direction. The second ground element is on a side of a second main section of the first ground element in the third direction.