38 results about "Antenna fabrication" patented technology

A method for making an antenna array includes dividing a flexible dielectric substrate into a plurality of folding sections, with each folding section being integrally connected to an adjacent folding section along a shared boundary therebetween. The folding sections are co-planar with one another when unfolded and include spaced apart antenna sections, spaced apart ground plane sections and connecting sections therebetween. An antenna element is formed on each antenna section. The antenna elements are coplanar with the antenna sections, the ground plane sections and the connecting sections. The folding sections of the flexible dielectric substrate are folded along the shared boundaries so that the antenna sections extend in a different plane with respect to the ground plane sections.

A radiating element made of an electrically conductive nonwoven web is incorporated into the signal emitting device. The signal transmitting device may comprise an RFID tag, for example. In one embodiment, the conductive nonwoven web includes conductive fibers combined with pulp fibers. The conductive fibers include carbon fibers. Nonwoven webs can be produced using conventional papermaking methods. The resulting conductive fiber mesh is not only well suited for use as an antenna, but is also cheap to manufacture and easy to incorporate into many products.

Embodiments of the present invention provide a frequency-tunable antenna and a manufacturing method thereof, which relate to the field of antenna manufacturing. The liquid crystal layer can be used as a capacitor to complete the inductive impedance adjustment of the frequency-tunable antenna without drilling holes, so that the frequency can be adjusted. Adjust the transmitting and receiving frequency of the antenna to change. The first substrate and the second substrate facing each other, the antenna electrode disposed on the second substrate close to the first substrate, and the liquid crystal driving electrode disposed on the first substrate close to the second substrate side; wherein, the antenna electrode and the A liquid crystal layer is arranged between the liquid crystal driving electrodes; the antenna electrodes and the liquid crystal driving electrodes are used to adjust the transmitting and receiving frequency of the antenna by controlling the arrangement of liquid crystals in the liquid crystal layer.

The present invention is characterized by an antenna device including: a circuit board; a circuit pattern formed by a conductor on a surface of the circuit board; and a minute loop antenna mounted on the circuit board and formed in a loop shape by a conductor having two end portions, wherein the circuit pattern includes at least a feeder circuit configured to supply power to the minute loop antenna, and a ground, and the minute loop antenna is mounted on the circuit board such that: the conductor having the two end portions is connected at one end thereof to the feeder circuit and connected at another end thereof to the ground; a loop surface of the conductor having the two end portions is perpendicular to a plane on which the circuit pattern is formed; and a normal line passing through the loop surface does not pass through the circuit pattern.

Embodiments of the present disclosure relate to a polygonal loop antenna, a communication device and a method for manufacturing an antenna. For example, a polygonal loop antenna comprises: a radiation element, including a plurality of radiation units, each of the radiation units forming one side of the antenna; a plurality of capacitive elements, an even number of the capacitive elements being placed on each side of the antenna; and a plurality of feeding units, each of the feeding units is placed between two adjacent capacitive elements of the capacitive elements on each side of the antenna. Further, there is disclosed a corresponding communication device and method for manufacturing an antenna.

The invention relates to the technical field of antenna manufacturing, in particular to a method for manufacturing a radio frequency antenna and a radio frequency antenna. By implanting an enameled coil on a substrate according to a target shape, and then removing the insulating layer of the lead part by milling or grinding, the lead wire is exposed. Then drop a conductive medium onto the packaged conductive material to form a conductive coil, and press the conductive coil to the target area where the conductor of the lead part is located to form a structure that is electrically connected to the conductor, and let the conductor and the conductive medium The finished product of the radio frequency antenna with the layers integrally formed and electrically connected, so that the present invention no longer needs to use the touch welding method to remove the insulating layer on the enameled coil in the process of making the radio frequency antenna as in the prior art, which solves the problem of the prior art. When the insulating layer on the enameled coil is removed by the butt welding method, the base material is welded through due to the large number of solder joints, resulting in low efficiency and technical defects affecting the yield.

The invention relates to the technical field of antenna manufacturing, in particular to a wire cutting device for antennas, which includes a feeding assembly for feeding, a wire cutting assembly for cutting the wires, and a receiving assembly for collecting and cutting the wires; the wire cutting assembly includes Box body, transmission mechanism and cutting mechanism; there are wire inlets and outlets on the box body, and the transmission mechanism is used to transmit wires; the thread cutting mechanism includes a fixed knife and a moving knife, and the upper end of the side wall of the moving knife is connected with a connecting plate, and the connecting plate is fixed. A connecting rod is connected, and the connecting rod is slidingly connected with the box body. The end of the connecting plate away from the moving tool is connected with a sliding block. The upper end of the sliding block is provided with a cam, and four protrusions are arranged at intervals on the circumference of the cam. The four protrusions The maximum distance between the top and the outer circular surface of the cam becomes larger successively, and an elastic restoring part is arranged under the sliding block. The invention has the effects of convenient operation, shorter time for producing a single wire, and improved production efficiency.

The invention relates to the field of antenna manufacturing, and provides a rotating buckle structure, an antenna panel and an assembly method thereof, wherein the rotating buckle structure includes a top plate, a shaft, a clamping part and two elastic supporting surfaces; the clamping part is arranged on the shaft the first end of the shaft, and the second end of the shaft is arranged on the top plate; two support surfaces are symmetrically arranged on both sides of the shaft with respect to the axis of the shaft, and one end of each support surface is connected to one side of the top plate, and the other end is provided There is a fixed part; the fixed part faces the direction where the clamping part is located. The rotary buckle structure provided by the present invention is provided with a clamping part at one end of the shaft; and a fixed part is provided at the other end of the support surface, so that the rotary buckle structure can be clamped on the antenna plate; The supporting surface is set to be elastic, so that the rotating buckle structure can adapt to antenna plates of different thicknesses, which improves the versatility and reliability of the rotating buckle structure.

The invention provides an antenna device and an antenna fabrication method. The antenna device comprises: a carrier layer which is the base carrier of the antenna device; a metal layer which is located on the carrier layer and used as an radiating body to transmitting and receiving signals; and a high-dielectric layer which is in contact with the metal layer directly and mode from a high-dielectric material of which the dielectric constant is greater than a preset threshold. In the technical scheme of the antenna device and the antenna fabrication method according to the embodiments of the invention, by arranging the high-dielectric layer which is in contact with the metal layer directly, the occupied space of the antenna can be reduced.

The invention discloses a hybrid precoding method and system based on a reconfigurable holographic metasurface. The method includes: performing digital beamforming encoding on the target transmission signal according to the digital beamforming matrix; inputting the digital beam encoding signal into the feed source of the reconfigurable holographic metasurface antenna, and the reference wave carrying the target transmission signal sent by the feed source Entering the metamaterial radiation unit of the reconfigurable holographic metasurface antenna, the metamaterial radiation unit performs holographic beamforming encoding on the reference wave according to the holographic beamforming matrix, and sends the holographic beam encoding signal to the user. The invention can improve the communication quality while solving the problems of high antenna manufacturing cost and large power loss in the mobile communication process.

Disclosed is a helical antenna manufacturing apparatus and method. A controller controls a core driver and a roller driver to rotate a core and a roller according to an rpm which is pre-set according to diameters of the core and the roller, and controls the core driver to move the core in a longitudinal direction according to the moving speed which is set according to working frequency bands of the antenna. When the core and the roller are contacted, they are rotated in opposite directions, and as the roller is rotated, a paste in a paste box moves together with a surface of the core and is printed on the surface of the core. As the core is rotated and moved in the longitudinal direction, a helical line is formed on the core. Pitches of the helical line formed on the core is changed according to the moving speed of the core in the longitudinal direction, and the working frequency bands of the antenna are changed according to the pitches of the helical line. Also, a helical line unit including a plurality of helical lines having different pitches printed on the surface of the core can be formed by controlling the core driver to move the core in the longitudinal direction according to the moving speeds which are set for the respective steps according to the working frequency bands of the antenna.