168results about "Flexible aerials" patented technology

The invention relates to the technical field of vehicle-mounted antennas, in particular to a combined ultra-short-wave high-power center-fed vehicle-mounted antenna which comprises an antenna base, an antenna whip rod, a row of curved section units, a long metal curved sheet, a whip head spring assembly and a whip root plate, the antenna base comprises an integrated shell fixedly connected with the whip root plate, and a wind box device installed in the integrated shell; when a vehicle runs normally, a row of curved section units form a hard straight frame, the curved section units bind the antenna whip rod, the antenna whip rod cannot be bent and swung, vibration impact on the vehicle has small influence on the hard antenna, the hard antenna can stably receive signals, and when the vehicle runs at a high speed, the antenna whip rod cannot be damaged. When the vehicle runs at a high speed, the hard straight frame formed by the row of curved section units is disassembled, the antenna pole loses constraint, airflow blows the antenna pole, and the antenna pole bends following the wind, so that the soft antenna can reduce the wind resistance of the vehicle in the high-speed running process.

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.

An array antenna includes a flexible substrate formed by stacked liquid crystal polymer (LCP) layers and has at least one feed point. At least one serial antenna is arranged on the flexible substrate, and a microstrip is extended from the feed point to connect a plurality of radiating elements in series to form the serial antenna. The tail end one of the radiating elements of the serial antenna is connected to one end of a ground microstrip, and another end of the ground microstrip is short-circuited to the ground. The length of the ground microstrip is approximately one fourth of the wavelength of the center frequency of the array antenna. Feeding sections where microstrips feeding to the radiating elements are in a horn and / or groove shape. Desired frequency and bandwidth may be obtained by adjusting lengths and widths of feeding sections respectively.

The invention provides a temperature-controlled shape memory alloy flexible microstrip antenna capable of automatically unfolding and a working method, and relates to the technical field of communication equipment, and the antenna comprises a plurality of microstrip antenna units, a flexible dielectric substrate, a grounding layer, and a metal via hole structure. Each microstrip antenna unit comprises a radiation patch, and the radiation patch comprises a patch matching layer and a patch radiation layer; the flexible dielectric substrate is arranged between the radiation patches and the grounding layer, the radiation patches of each microstrip antenna unit are arranged on the flexible dielectric substrate at equal intervals, and the grounding layer is located at the bottommost layer and is made of a shape memory alloy material; the metal via hole structure comprises a plurality of metal via holes arranged among the microstrip antenna units, an external coaxial cable penetrates through the metal via holes to connect the flexible dielectric substrate and the grounding layer, and the shape memory alloy material of the grounding layer can be stored at a set first temperature. And the device can be automatically unfolded to recover the original shape at the set second temperature.

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.

An antenna device including a transparent antenna element that can be provided at a position visible from outside of a transparent cover of an electronic apparatus is provided.An antenna device includes a flexible substrate that is transparent and that is to be provided on an inner surface side opposite to an outer surface of a transparent cover, made of glass or resin, of an electronic apparatus, and an antenna element that is transparent and that is to be provided at a position, of the flexible substrate, that is visible from outside of the transparent cover, the antenna element having a directivity oriented toward an outside of the electronic apparatus.

An information handling system may include a processor, a memory, a power management unit, an antenna controller to provide instructions to a radio to cause a flexible sheet antenna to transceive wirelessly with a network, where the flexible sheet antenna has an antenna structure formed on a flexible sheet circuit, and an antenna holder around which the flexible sheet antenna is wrapped, wherein the flexible sheet antenna and antenna holder are placed within an edge cavity portion of a display chassis sharing the edge cavity with one or more interfacing hook structures used to couple a first chassis cover portion of the display chassis to a second chassis cover portion of the display chassis.

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.

A device (10) with a translucent antenna foil (100) and the translucent antenna foil (100) per se, whereas the translucent antenna foil (100) comprises an antenna, for use in the device (10) having an optical element (200), wherein the antenna foil (100) is mountable on or in the optical element (200) of the device (10), wherein the antenna foil (100) has an antenna portion (110) and a feeder line portion (120). In the antenna portion (110) an antenna conductor (111) of the antenna for emitting and receiving signals is positioned, and the feeder line portion (120) includes a connector (123) having respective contacts (124) for coupling the antenna to a complementary connector (520) on a circuit board (300, 500) of the device (10). Hereby the connecting portion (122) connects the antenna conductor (111) and the connector (123).

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 present invention provides an antenna element, an antenna device and a display device including the same. According to one embodiment, the antenna element includes: a radiator formed in a grid structure; a first transmission line and a second transmission line connected to the radiator and formed in a grid structure; and a first signal pad and a second signal pad connected to the first transmission line and the second transmission line respectively and formed in a curved solid structure. The antenna element of the present invention can realize a dual-polarized antenna.

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 present application discloses a smart glasses, belonging to the technical field of smart terminals. The smart glasses include: a frame and temple arms, the frame is connected to the temple arms; an antenna unit is arranged on the temple arms, the antenna unit includes a first antenna radiator and a first antenna feeding structure, the first antenna radiator is a spiral structure, one end of the first antenna radiator is connected to the first antenna feeding structure, and the other end of the first antenna radiator is connected to the frame; wherein, the smart glasses can be switched between a wearing state and a folded state, and when the smart glasses are in different states, the first antenna radiator undergoes elastic deformation, and the radiation direction of the first antenna radiator relative to the frame remains unchanged.

Eyewear including a dipole antenna having a first leg and a second leg, wherein the first leg includes at least a portion of a battery, such as a conductive case of the battery. An antenna feed is coupled to the dipole antenna between the second leg and the battery. The second leg may comprise a flexible printed circuit (FPC), and the second leg is an active leg. The second leg has a first portion and a second portion. The first portion and the second portion may have the same physical length. The first portion may be dielectrically loaded with a high permittivity loaded material, and the second portion may be dielectrically loaded with a low permittivity loaded material.

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 a near-field coupling external antenna suitable for mobile phone Sub-GHz frequency band communication, and relates to the technical field of mobile communication and wireless communication. The near-field coupling external antenna comprises an external base assembly fixed to a rear cover of a mobile phone and an antenna support assembly connected with the external base assembly. The antenna bracket assembly can form resonance in a frequency required by a Sub-GHz frequency band; the external base assembly comprises an external assembly located on the rear cover of the mobile phone and an internal assembly located in the mobile phone; and the external component and the internal component form a non-contact metal coupling structure. A non-contact electromagnetic coupling mode is adopted for feeding, transmission of radio frequency signals is achieved, capacitive coupling can be formed between the metal flat plates, transmission line coupling can be formed between the planar C-shaped bands, and magnetic flux coupling can be formed by the spiral lines; the antenna bracket assembly can be designed into a mobile phone support frame form, so that the integrated design of the mobile phone support frame and the antenna structure is realized; the wireless communication capability of the mobile phone in the Sub-GHz frequency band can be enhanced; and the characteristic of high integration of the mobile phone is not damaged.

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.

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 relates to an RFID (Radio Frequency Identification Device) water washing label, which relates to the technical field of water washing label preparation and application, and comprises a base material which is an organic material film; an RFID antenna, wherein the RFID antenna is attached to and processed on the base material; the RFID module is in coupling connection with the RFID antenna at the antenna coupling point; the base material comprises a single layer, and the single layer of base material wraps the RFID antenna coupled with the RFID module to form the RFID washing label; the base material further comprises two layers, and the RFID antenna is attached to one base material and is formed with the other base material in a press fit mode so as to form the RFID washing label clamping the RFID antenna coupled with the RFID module.