266results about "Flexible aerials" patented technology

A receiver device (10) for receiving audio signals from a remote source is provided, comprising: a magnetic loop antenna for receiving radio frequency signals carrying audio signals, a signal processing unit for reproducing audio signals from the radio frequency signals received by the antenna, an output interface which is capable of being mechanically connected to an input interface of a hearing instrument to be worn at a user's ear in order to supply the audio signals from the signal processing unit as input to the hearing instrument, and a housing enclosing the antenna and the signal processing unit, wherein the antenna is designed as a printed board circuit with a loop-like conductor on an at least partially flexible insolating substrate and comprises a first portion defining a first plane and a second portion defining a second plane, wherein the first plane and the second plane are oriented at an angle of 60 to 120 degrees relative to each other.

A foldable radiator assembly includes a flexible dielectric substrate structure having a radiator conductor pattern formed therein. The flexible substrate structure can be flexible for movement between a folded position and a deployed position, or can be fixed in position by dielectric structures. An excitation circuit excites the radiator conductor pattern with RF energy. Strips of the radiator assemblies can be used to form an array aperture.

An antenna array formed on a deformable dielectric material or substrate includes a center element and plurality of radial elements extending from a center hub. In the operative mode, the radial elements are folded upwardly into an approximately vertical position, with the center element at the center of the hub and the radial elements circumferentially surrounding the center element. In one embodiment the center element serves an active element of the antenna array and the radial elements are controllable in a directive or reflective state to effect a directive beam pattern from the antenna array. When not in use, the antenna elements are deformed into a plane and can therefore be integrated into a housing for compact storage. In a phased array embodiment, the center element is absent and the plurality of radial elements, are controllable to steer the antenna beam.

Lightweight, small antennas are described that have decreased material and fabrication / processing cost. The antennas may be used in consumer electronics products such as cellular phones, laptops and PDA's. Some of the antennas and fabrication techniques also provide lower part count and increased reliability. All antennas are fabricated with standard materials currently available in high volume production.

A low-cost antenna array and method of manufacturing the array, in a planar form or in a structurally flexible or curved array structure are shown. The antenna array has a plurality of metallic antenna electrical and radiator elements formed on a foam core layer bonded onto a metallic ground layer. The radiator elements preferably are formed on a thin dielectric carrier layer bonded to the foam core layer. The array can include one or more additional dielectric layers, each with a plurality of parasitic radiator elements formed thereon, mounted on top of the electrical elements. Manufacturing the array preferably includes bonding the layers to one another. The electrical and radiator elements are formed, preferably by etching, before the foam core layer is bonded to the ground layer. The additional dielectric layer and the parasitic radiators then are bonded to the already formed electrical elements on the ground layer.

The invention comprises a Digital UHF / VHF (DUV) Antenna with a driven DUV antenna preferably boosted by an amplifier mounted close to the DUV dipole and a DUV signal line with antenna, amplifier, and signal line contacts being conductively bonded. The DUV dipole is preferably enhanced by a VHF enhancer and / or by a UHF enhancer comprising one of a reflective and a directive element. The UHF / VHF enhancer preferably includes an RF booster with a reflective element displaced from the longitudinal axis and near the driven antenna to enhance VHF signals. The DUV antenna is preferably configured for DTV reception in the VHF high band range of 174 MHz to 216 MHz, and in the UHF range of 470 MHz to 698 MHz.

An antenna includes a dipole feed, a first dipole element connected to and extending outwardly from the dipole feed, a transmission line extending from the dipole feed in an opposite direction, and a flexible electrically conductive sleeve surrounding the transmission line and connected to and extending outwardly from the dipole feed. The electrically conductive sleeve may thus serve as a second dipole element and as a balun for the antenna. The antenna may by removably fastened to a garment of the user by at least one fastener, and the antenna may be connected to a radio also carried by the user. To enhance broadband performance, the dipole feed may include a broadband matching network, and the antenna may include a noise filter coupled to the transmission line adjacent an end of the flexible electrically conductive sleeve opposite the dipole feed.

Provided are a highly efficient thin slot antenna having a cavity, and a RFID tag device. The thin slot antenna can be attached to curved surfaces of a human body, things and the like, and furthermore, has relatively freely deformable flexible characteristics, and has an extremely small characteristic change due to deformation and that due to bodies to be attached to. A bag-like body having a cavity (12) is formed by using a conductor foil of aluminum or the like or a foil deposited with a conductive metal such as aluminum and by forming the foil in bag shape. A relatively soft dielectric sheet (13) is put in the cavity (12), and a slot (14) is arranged at the width direction center position on one surface of the bag-like body, in the longitudinal direction.

A microstrip antenna has a flexible dielectric substrate (3), a flexible conductive ground plate (2) provided on a lower surface of the dielectric substrate (3), and a flexible conductive microstrip patch (4) provided on the upper surface of the dielectric substrate (3), smaller in area than the ground plate (2).

The folded-monopole whip antenna is for a portable wireless communication device having a portable housing and wireless communication circuitry carried thereby. The antenna includes a flexible antenna element extending outwardly from the housing and having a proximal end for coupling to the wireless communication circuitry and having a distal end spaced from the proximal end. The flexible antenna element may have first and second flexible elongate legs or whips extending parallel to one another. The first flexible elongate leg may have a proximal end defining a first antenna feedpoint to be coupled to the wireless communication circuitry, and the second flexible elongate leg may have a proximal end defining a second antenna feedpoint to be coupled to the portable housing. The first and second flexible elongate legs may have distal ends electrically coupled to one another. A dielectric layer may be fastened between the first and second flexible elongate legs. The folded-monopole whip antenna may provide a tactical military antenna for manpack radio requirements, with greater gain, smaller size and reduced visability at HF and VHF frequencies. It may use capacitor only matching across broad tunable bandwidths, and an elevated feedpoint for increased efficiency and RF safety.

An antenna for the transmission and reception of electromagnetic radiation is provided. The antenna includes a body portion, which can be flexible to permit incorporation of the antenna into a material. The antenna also includes an aggregate of extended length nanotubes along the body portion, and a plurality of contact points between adjacent nanotubes to permit transmission of electromagnetic radiation, while reducing resistivity along the antenna at a high frequency, for example, above 100 MHz. A method of manufacturing an antenna is also provided.

The disclosure concerns an antenna with open loops and multipath current distribution to achieve ultra wideband characteristics and antenna miniaturization, while simultaneously keeping high performance for a more reliable WAN communication, with higher data transfer, less dropping connections and improved sensitivity. To further reduce spatial requirements, the antenna may be incorporated on a flex substrate for bending with the contour of a device housing or the like.

The present invention is provides a system and method for managing connectivity objects and their associated parameters for a mobile device. The connectivity parameters are stored in a tree structure. For example, a proxy may be a node in the tree with its connectivity parameters listed as leafs. Similarly, a network access point (NAP) object may be a node within the tree. The parameters stored within the tree may be created, modified, deleted, and queried remotely or locally. Any portion of the tree may be modified or queried without having to send the entire tree to the device. Provisioning and modification of the tree is enabled via eXtensible Markup Language (XML). A wireless access protocol (WAP) sub tree is defined under the proxy object. The NAP object may also be used to help manage Wi-Fi connections and desktop pass-through connections. A vendor specific sub tree is also included within the tree that may be used to contain vendor specific settings.

Embodiments of the application provide a terminal device and a control method thereof and relate to the field of technical terminals, used to solve the problem that the shape of the antenna of the terminal device also changes when the shape of the flexible display screen changes, thereby affecting the performance of the antenna. The mobile terminal includes: a flexible display screen, a reel fixedly coupled to the first side of the flexible display screen, and at least one first antenna disposed on the flexible display screen, wherein an extension length of each of the at least one first antenna in the first direction is less than the extension length of the first antenna in any other direction; and the first direction is the direction perpendicular to the axial direction of the reel on the plane of the flexible display screen. Embodiments of the application are capable of reducing the impact on the performance of the antenna.

An antenna assembly has a lower break assembly and an upper break assembly. Both have a center fed transmission line within a conductive tube, and both are mutually connectable for connecting the transmission lines to each other at a junction. When connected, the lower break assembly and upper break assembly form one pole of a center-fed dipole radiator without significant signal loss through the junction.

An antenna includes a dipole feed, a first dipole element connected to and extending outwardly from the dipole feed, a transmission line extending from the dipole feed in an opposite direction, and a flexible electrically conductive sleeve surrounding the transmission line and connected to and extending outwardly from the dipole feed. The electrically conductive sleeve may thus serve as a second dipole element and as a balun for the antenna. The antenna may by removably fastened to a garment of the user by at least one fastener, and the antenna may be connected to a radio also carried by the user. To enhance broadband performance, the dipole feed may include a broadband matching network, and the antenna may include a noise filter coupled to the transmission line adjacent an end of the flexible electrically conductive sleeve opposite the dipole feed.

An antenna for the transmission and reception of electromagnetic radiation is provided. The antenna includes a body portion, which can be flexible to permit incorporation of the antenna into a material. The antenna also includes an aggregate of extended length nanotubes along the body portion, and a plurality of contact points between adjacent nanotubes to permit transmission of electromagnetic radiation, while reducing resistivity along the antenna at a high frequency, for example, above 100 MHz. A method of manufacturing an antenna is also provided.

The invention discloses a multi-stable-state smooth folding mechanism which comprises a wavy-type smooth section. The wavy-type smooth section is formed by connecting a plurality of identical periodic wavy smooth pieces in sequence; one half period of the waveform curve of each periodic wavy smooth piece is formed by connecting two identical vertical lines through a semicircle, an installation hole is reserved in each periodic wavy smooth piece for connecting other components needing to be folded, each installation hole is formed in one peak of the corresponding periodic wavy smooth piece, the installation holes of all the periodic wavy smooth pieces are formed in the same side, the head and tail of the wavy-type smooth section are connected, an annular closed structure can be formed, initial strain energy stored by bending deformation is maintained, and then the needed multi-stable-state smooth folding mechanism is formed. The multi-stable-state smooth folding mechanism is simple in structure, machining is convenient, the multi-stable-state smooth folding mechanism is particularly applicable to the complex space, no obvious strain concentration exists in the folding process, fatigue is not likely to be caused, and the multi-stable-state smooth folding mechanism can be continuously turned over.

A sensor tag (10) includes an antenna (102) and connection conductors (103) formed on a surface of a flexible substrate (101). A sensing element (110) is mounted on land conductors (131) of the connection conductors (103). The sensing element (110) is composed of a crystal vibrator (111) and an RFIC (112). The crystal vibrator (111) receives an excitation signal from the outside and generates a resonance signal of a resonant frequency corresponding to the sensed temperature. Equivalent circuit constant information including at least an equivalent inductance (Lxs) or an equivalent capacitance (Cxs) of the crystal vibrator (111) are stored in the RFIC (112).

In a microstrip antenna equipped with a nearly flat plate-like radiating conductor, a nearly flat plate-like ground conductor having larger area than the radiating conductor, and a dielectric substrate set between the radiating conductor and the ground conductor, and one terminal of a feeding cable is connected to the radiating conductor, and the other terminal is connected to the ground conductor, the radiating conductor and the ground conductor are composed of nearly cloth-like substances having flexibility and conductivity, and also the dielectric substrate is composed of a nearly cloth-like substance having flexibility and insulation property, and the connection of the terminal of the feeding cable to the radiating conductor or the ground conductor is composed of by soldering through a conductive medium.

A three-dimensional FSS fabrication system is described. FSS elements are pre-mapped in two-dimensional form and constructed on a flat FSS panel that is then formed into a desired three-dimensional shape. The 2-D flat surface of the designed FSS is mapped into a desired three-dimensional curvature so that when formed from 2-D into the 3-D shape, the FSS elements are moved into a desired position and / or orientation. In one embodiment, the mapping from 2-D to 3-D is performed using the elastic properties of a desired substrate material. In one embodiment, one or more flat FSS panels are constructed on a formable or thermo-formable substrate. In one embodiment, the substrate includes a thermoplastic. In one embodiment, the substrate includes a thermoplastic material with fiber reinforcement. The FSS elements can be created by printing, deposition, photo-etching, etc. The flat FSS layers are thermoformed or chemically formed over a tool having the desired shape. In one embodiment, the FSS layers are formed to the shape of the tool by using vacuum techniques. In one embodiment, the FSS layers are formed to the shape of the tool by supporting the FSS layer between male and female tools.

An antenna system is provided including a rapidly expandable-collapsible housing which mounts two sections of fabric material each having an array of antenna elements formed of electrically conductive material such as copper thread embedded in the fabric sections. The fabric sections are movable between the expanded and collapsed positions with the housing and are located in different planes.

The present invention provides a circular cross cable antenna which comprises an annular truss and a front cable net and a back cable net which are interlaced by cables. The annular truss comprises aplurality of vertical rods and inclined rods with the equal number. Nodes on the circumference of the front cable net are correspondingly connected to connection parts of the vertical rods and the inclined rods at the top of the annular truss, the front cable net and the back cable net are paraboloids and are in symmetrical arrangement, nodes corresponding to non-intersecting parts of the front cable net and the back cable net are connected by flexible ropes, and nodes corresponding to intersecting parts of the front cable net and the back cable net are connected by support rods. According tothe circular cross cable antenna, a ring-shaped expandable structure is adopted, so the weight is small, the profile precision is good, the storage ratio is high, the excessive arch height is avoided,the overlarge antenna folding size is avoided, the weight of the antenna is reduced, symmetrical cable net structures are used by front and back cable net surfaces, and the good structural stabilityis provided.

A flexible microwave antenna having a “fish-scale” ground plane is provided. The approach represents a significant advance in the combined thickness and flexibility that can be achieved, especially when using relatively thick substrates which are important for optimum antenna performance. An increase in gain was observed when bent in a positive radius of curvature and further reduction of back radiation.