116results about "Flexible aerials" patented technology

The invention discloses a mesh antenna metal net zero-constraint splicing method. A metal net is tiled and hung on a working tension applying device, and working tension is applied to the metal net in the transverse direction and the longitudinal direction; in the working tension state, tension control belts are sewn on the edges of the two sides of the metal net in the length direction; lapping two metal nets which need to be spliced and are sewn with the same tension control belts, wherein the sections of the lapping positions are lapped according to the sequence of belt-net-net-belt; sewing two layers of metal nets along the two sides of the tension control belt by adopting composite material sewing lines; and repeating the steps, and sewing all the metal meshes required by the whole antenna reflecting surface in sequence. According to the method, the metal net is spliced by adopting an overlock stitching method, the tension control belt can be detached after splicing is completed, the formed splicing seam is of a net-net structure, the thickness is only 0.07-0.08 mm, the elasticity keeps the original elasticity of the metal net, the net surface tension is more uniform, and the risk that the antenna expansion resistance is increased due to micro shrinkage of the tension control belt at high temperature is effectively eliminated.

The invention discloses an automatic unfolding parabolic antenna with a flexible surface and a fixed surface combined, and belongs to the field of antennas. The antenna comprises a center body, a reflecting surface, a folding driving mechanism, an annular adjusting mechanism, an auxiliary surface, an auxiliary surface supporting structure and a feed source, wherein a feed source supporting cylinder plays a role in overall supporting. Wherein the fixed surfaces and the flexible surfaces are arranged at intervals to form an antenna reflecting surface, when the system works, the folding driving mechanism adopts an electric unfolding and folding mode to realize full-automatic unfolding and folding actions of the reflecting surface, and after the antenna is unfolded, the surface shape precision of the flexible surfaces can be adjusted through the annular adjusting mechanism. The invention provides a flexible and fixed surface combined reflecting surface structure form for the first time, and full-automatic unfolding and folding of the whole reflecting surface are realized. A traditional manual assembly mode is broken through, the maneuvering performance of the large-diameter vehicle-mounted antenna is effectively improved, the antenna opening time is shortened to be within 15 minutes, and the position precision of the antenna when the antenna is unfolded again is guaranteed while the maneuvering performance is improved.

A flexible instrument comprises an antenna having a distal tip portion, a proximal base, and an antenna body therebetween. The antenna body comprises a patterned cylindrical structure having a proximal end coupled to the proximal base and a distal end coupled to the distal tip portion. The flexible instrument is configured to generate a radiation pattern from the antenna to ablate tissue.

The application discloses a thin film circularly polarized antenna and belongs to the technical field of phased array antennas. The thin film circularly polarized antenna comprises an upper layer radiation thin film antenna, the bottom of the upper layer radiation thin film antenna is provided with an intermediate hollow structure, the side, away from the upper layer radiation thin film antenna, of the intermediate hollow structure is provided with a lower layer radiation thin film antenna, and the side, away from the intermediate hollow structure, of the lower layer radiation thin film antenna is provided with a bottom layer radio frequency printed board. The hollow region of the intermediate hollow structure forms an air medium layer, and air is used as an antenna radiation medium. The upper layer radiation thin film antenna, the intermediate hollow structure and the lower layer radiation thin film antenna are fixed and assembled into an integrated whole through a mechanical connection mode. The thin film circularly polarized antenna of the application omits the processes such as exposure, development, etching and multiple pressing of the conventional PCB process, greatly simplifies the manufacturing process, greatly reduces the manufacturing cost, is suitable for quick mass production with low cost, and has the advantage of not being easy to break compared with the conventional PCB process antenna.

The invention relates to a radio frequency identification device (1) for an object, comprising a flexible band (1a) for encircling the object or a part of the object, a fastener configured to join two portions of the flexible band when it is encircled by the object or the part of the object, and a radio frequency module (4) fully incorporated into the flexible band (1a) and comprising an electrical antenna (2a) associated with a transmit-receive electronic chip (2b). Figure 1a

The invention discloses an ultra-thin broadband UWB (Ultra Wideband) positioning antenna based on an LCP (Liquid Crystal Polymer) material. The ultra-thin broadband UWB positioning antenna is suitable for ultra-wide-band positioning application in a frequency band from 7163 MHz to 8812 MHz. The antenna comprises a plurality of layers of LCP base materials and a plurality of metal layers arranged between the LCP base materials, each metal layer is internally provided with a multi-metal strip structure, the strip structures are electrically connected with a bottom metal reflection ground through staggered metallized blind holes and buried holes, and a coupling resonance structure is constructed to expand the working bandwidth. The antenna adopts coplanar waveguide feed, excites the rectangular radiation patch to realize dominant mode radiation, and forms a stable edge emission characteristic through the combination of the gap and the reflection ground. In order to improve the flexibility, the strip structure is provided with a partial opening and hollowed-out design in a specific area, and the overall bending capacity is enhanced in cooperation with the bending area not covered with the LPI layer. The antenna is compact in structure, small in thickness and high in adaptability, can realize high radiation efficiency and directional diagram stability in a wide frequency band, and is suitable for a UWB positioning terminal with requirements for lightness, thinness, high efficiency and flexibility.

An RF charging system for implantable medical devices. The RF charging system includes a radio frequency (RF) signal, a first antenna configured to transmit the RF signal, a second antenna configured to receive the RF signal transmitted by the first antenna, tune characteristics of the RF signal, and improve power transfer with impedance matching circuitry, an RF to direct current (DC) converter configured to convert the RF signal of the second antenna into a DC signal, and a battery management circuit configured to receive the DC signal and provide voltage to a battery.

The invention provides a flexible deployable film antenna supporting structure and antenna equipment, the flexible deployable film antenna supporting structure comprises a first supporting part and a second supporting part, the first supporting part comprises a first elastic supporting assembly, the second supporting part comprises a second elastic supporting assembly, and the first elastic supporting assembly and the second elastic supporting assembly are respectively connected with a film antenna. The first elastic supporting assembly and the second elastic supporting assembly are arranged at an angle and are used for supporting and locking the film antenna. Through the arrangement of the first elastic supporting assembly and the second elastic supporting assembly, cooperation can be formed so as to effectively support and lock the thin film antenna, and it is guaranteed that the thin film antenna has good stability. As the first elastic supporting assembly and the second elastic supporting assembly have elasticity, the first elastic supporting assembly and the second elastic supporting assembly can be better matched with the flexibility characteristic of the thin film antenna through the elasticity of the first elastic supporting assembly and the second elastic supporting assembly, the limitation on the flexible state is reduced, the antenna can give full play to the flexibility advantage, and the adaptability and the reliability of the thin film antenna are improved.

An antenna device includes: a ground electrode plate; one or more first radiating electrode plates which face the ground electrode plate; a second radiating electrode plate which lies between the ground electrode plate and the one or more first radiating electrode plates; one or more first feeder lines which are connected to the one or more first radiating electrode plates; a second feeder line which is not connected to the one or more first feeder lines but is connected to the second radiating electrode plate; and a ground line which does not connect the one or more first radiating electrode plates to the ground electrode plate but connects the second radiating electrode plate to the ground electrode plate. The one or more first radiating electrode plates lie inside the second radiating electrode plate as viewed from a thickness direction of the ground electrode plate.

A wireless power transmitter includes a source coil and a planar short range communication antenna overlaying the source coil. The antenna further includes an antenna element disposed on a first surface of a flexible substrate and a plurality of parallel conductive traces disposed on a second surface of the substrate opposite the first surface. The plurality of parallel conductive traces extend across the substrate from a common shield ground bus located proximate an outer edge of the second surface and provide an electromagnetic shield for the antenna element.

A composite stack-up for an antenna is described. In one embodiment, the antenna is a flat panel metamaterial antenna. In one embodiment, an antenna assembly comprises an antenna element layer having an upper side and a lower side; a first set of one or more layers forming an upper stack bonded to the upper side of the antenna element layer and being are at least partially transparent to radio frequency (RF) radiation; and a second set of one or more layers forming a lower stack bonded to the lower side of the antenna element layer, where the antenna element layer, upper stack and lower stack are bonded together to form a composite stack.

Adaptive tunable antenna system includes a first radiating element having an elongated length and a second radiating element extending from a distal end of the first radiating element. The first radiating element is for a high band of operation and the second radiating element is for a low-band of operation. The second radiating element is a helical member including a plurality of turns. A low-band circuit selectively bypasses one or more of the turns of the second radiating element in response to a control signal.

An electrical connector for use with tissue An electrical connector (104) configured to connect an electrical device (114) to tissue (106), the electrical connector (104) comprising: a first portion (200) having a first conductive portion; a second portion having a second conductive portion; wherein one of the first or second portions (200, 202) is attached to the tissue (106) and the other of the first or second portions (200, 202) is associated with the electrical device (114); wherein the first and second portions (200, 202) are configured to cooperate with each other to attach the electrical device (114) to the tissue (106); and to cause the first conductive portion and the second conductive portion to form an electrical connection. Figure 1

A wireless dongle couples to an information handling system port by inserting into a port along an insertion axis to interface with the information handling system processor. A circuit board couples orthogonal to a Type C USB connector and mounts a radio that communicates wireless signals with a peripheral device. First and second three dimensional antenna selectively couple and decouple to the circuit board in a spaced parallel relationship to communicate wireless signals orthogonal the circuit board along the insertion axis, each antenna selected based upon a desired wireless protocol.

The invention discloses an antenna system for a vehicle having a glass roof. In one example, an antenna system may include a rigid printed circuit board (514) coupled to a metal surface (306); and a flexible printed circuit board (318) coupled to the rigid printed circuit board (514) and the glass surface (308), wherein the flexible printed circuit board (318) has an antenna trace (310). For example, the rigid printed circuit board (514) may be part of a vehicle telematics control unit (512) attached to a metal surface (306) on a roof panel of the vehicle, and the flexible printed circuit board (318) may be coupled to the rigid printed circuit board (514) and attached to an inner surface of a glass roof panel (202) of the vehicle.

This invention relates to the field of communication technology, and particularly to a flexible screen terminal, an antenna adjustment method, and a storage medium. The flexible screen terminal includes: a first detection module, a second detection module, a control module, an adjustment module, and an antenna. The first detection module collects communication performance parameters of the terminal and sends the parameters to the control module. The control module controls the second detection module to collect the terminal's folding angle when it determines that the parameters do not meet preset service requirements. The second detection module also sends the folding angle to the control module. The control module further determines the target operating state of the antenna based on the folding angle and a preset correspondence between the folding angle and the antenna's optimal operating state. The adjustment module adjusts the antenna's operating state to the target operating state. This invention aims to ensure that the flexible screen terminal's antenna is in its optimal operating state, improve antenna efficiency, thereby enhancing the terminal's communication performance and meeting user service needs.

The invention discloses a thin film circularly polarized antenna, and belongs to the technical field of phased array antennas. Comprising an upper-layer radiation film antenna, a middle hollow structural member is arranged at the bottom of the upper-layer radiation film antenna in a stacked mode, and a lower-layer radiation film antenna is arranged on the side, away from the upper-layer radiation film antenna, of the middle hollow structural member. A bottom radio frequency printed board is arranged on one side, far away from the middle hollow structural member, of the lower radiation film antenna; an air dielectric layer is formed in a hollow-out area of the middle hollow-out structural member, and air is used as an antenna radiation medium; the upper-layer radiation film antenna, the middle hollow-out structural member and the lower-layer radiation film antenna are fixedly assembled into a whole in a mechanical connection mode. According to the method, the processes of exposure, development, etching, multiple pressing and the like of a conventional PCB process are omitted, the manufacturing process is greatly simplified, the manufacturing cost is greatly reduced, the method is suitable for rapid large-scale low-cost production, and compared with the conventional PCB process antenna, the method has the advantage of being not prone to breakage.

This invention provides a flexible antenna for wireless microwave power transmission, belonging to the field of communication technology. It includes a dielectric substrate, a patch antenna element, a feed microstrip line, a coplanar waveguide, and a reflective ground plane. This invention solves the problems of high energy transmittance and low receiving efficiency of traditional coplanar waveguide antennas, as well as the low integration density of traditional microstrip antennas.

A communication system comprising a radio device and a gooseneck device. The radio device may be coupled to a first antenna and a second antenna. A feedline gooseneck device may be coupled to the first antenna. The feedline gooseneck device may include a coaxial cable coupled between the mobile device and the first antenna and a ferrite element positioned along the coaxial cable. The ferrite element is configured to reduce EM interaction between the first and the second antenna. The ferrite element may be one of a plurality of ferrite elements and the feedline gooseneck device may further include a plurality of flexible elements positioned adjacent to each of the plurality of ferrite elements. The system allows for reduction of an amount of electromagnetic interference between the first antenna coupled to the gooseneck and the second antenna.

The application belongs to the technical field of electronic equipment, and particularly relates to an electronic equipment. The application aims to solve the problem of low communication performance of an NFC antenna in a related electronic equipment. The electronic equipment of the application comprises a shell, an NFC antenna and a mainboard. A second part of the NFC antenna is arranged in a groove on one side of the mounting plate facing the back cover, and the side of the second part facing the back cover is opposite to the back cover, so that the second part is not easily shielded by other components in the mounting space, and the communication performance of the NFC antenna is improved. In addition, the second part is arranged in the groove, the height of the second part protruding from the slot of the groove is reduced, the thickness of the second part and the mounting plate as a whole in the direction perpendicular to the surface of the mounting plate is reduced, and the thickness of the electronic equipment is reduced.

The present application provides an antenna module and electronic product. The antenna module comprises: a circuit board having an electrical connection portion; a flexible antenna having an antenna segment and a connection segment, the antenna segment being attached to the inside of the back cover of the electronic product, the connection segment having an exposed metal area; and a magnetic connection assembly for electrically connecting the connection segment to the electrical connection portion. This antenna module prevents the antenna connection structure from exerting significant pressure on the electronic product structure without sacrificing antenna performance.

An integrated antenna and tether structure includes (i) a core including a first dielectric material, (ii) a first layer including a second dielectric material and a first conductive material thereon, the first layer wrapped around at least a section of the core, (iii) a plurality of wires including a second conductive material and wrapped around at least a section of the first layer, (iv) a second layer including a third dielectric material and a third conductive material thereon, the second layer wrapped around at least a section of the plurality of wires, and (v) an outer layer comprising a fourth dielectric material, the outer layer wrapped around at least a section of the second layer. In an example, the antenna structure is to transmit signals at a frequency of at most 50 Megahertz (MHz).

Various embodiments disclosed in this document relate to an electronic device comprising a flexible display. According to an embodiment, an electronic device may comprise: a flexible display; a roller electrically connected to the flexible display to provide a rotational motion thereto; a bracket surrounding at least a part of the flexible display and electrically connected to one end of the roller; a PCB disposed outside the bracket and electrically connected to the bracket; a switch positioned on the PCB; and a first antenna disposed to be spaced apart from the bracket and electrically connected to the PCB, wherein: in a state where the flexible display has been wound, the first antenna and the flexible display are electrically connected to each other by the switch to transmit and / or receive a signal of a first frequency band; and in a state where the flexible display has been unwound, the first antenna and the flexible display are electrically connected to each other by the switch to transmit and / or receive a signal of a second frequency band. In addition, various embodiments may be applied.

An antenna assembly includes an antenna releasably fastened to a member disposed in a borehole, where the antenna partially wraps around the member. The antenna assembly includes a fastening assembly configured to releasably fasten the antenna to the member. A fastening assembly includes one or more fastening portions configured to releasably fasten an antenna to a member disposed in a borehole. The one or more fastening portions extend across at least one surface of the antenna and extend around the member, and the one or more fastening portions are configured to contact the at least one surface of the antenna and are configured to contact an outer surface of the member, where the antenna partially wraps around the member.

Systems and methods for autonomously operating an antenna assembly. The methods comprise: obtaining, by a processor of the antenna assembly, first information comprising at least one of a value for a variable altitude of the antenna assembly, a value for a variable height of the antenna assembly above ground, a value for a variable height of the antenna assembly above sea level, a value for a variable distance of the antenna assembly from a reference object, and a first value for a variable signal frequency of a communication device; using, by the processor, the information to obtain a desired length of an antenna of the antenna assembly; and controlling, by the processor, an actuator to adjust a length of the antenna until the length reaches the desired length.

The invention belongs to the technical field of space structure and energy electronic integrated design, and particularly relates to a foldable composite material and a preparation method, application and use method thereof. The photoelectric conversion function and the communication radiation function are simultaneously borne on a single flexible structure, the high expansion area ratio and the high structural strength are achieved through paper folding geometry, and energy and communication resource collaboration and structure and function integrated design are achieved. According to the invention, co-fusion design of structure, energy and communication is realized, the area-mass ratio and the system integration degree are greatly improved, and the mass of the unfolding mechanism is reduced; the self-unfolding and self-locking capability is achieved, and the on-orbit reliability is improved; and the perovskite solar cell layer and the conductive antenna are cooperatively optimized, so that the comprehensive energy efficiency and the electromagnetic performance stability are improved.

The application discloses a planar film for a deployable thin film antenna and a profile maintaining system thereof, the planar film is spliced by four or more modularized blocks, and the splicing seams between the blocks are not cross seams; the profile maintaining system comprises high-precision tension adjusting devices, rope tube patch groups and tension cables; a plurality of rope tube patches form an arc-shaped rope path, one end of the tension cable extends out of one end of the arc-shaped rope path and is connected with a corresponding high-precision tension adjusting device on the same side, the other end of the tension cable extends out of the other end of the arc-shaped rope path and is connected with another corresponding high-precision tension adjusting device on the same side, the tension of the tension cable is adjusted by adjusting the high-precision tension adjusting devices at the two ends of each tension cable, the planar film is stretched flat and the flat profile is maintained; the application can not only avoid tearing of the film, but also realize high-precision flatness of millimeter level for a planar film structure of hundreds of meters.