A communications node includes an apparel item in the form of a shoulder belt that includes an open state, closed state, and main body. A first portion curvingly extends from the main body. A second portion angularly extends from the main body opposite the first portion. A primary fastener demountably couples the first and second portions together when in the closed state. An antenna element and communications device are positioned within the apparel item. An hub is affixed to the apparel item and configured to receive audio/video input. A battery is positioned adjacent to the apparel item. A control circuit is positioned within the apparel item and coupled to the antenna element, hub, communications device, and battery. The control circuit establishes a self-organizing WAN with a plurality of computing devices each directly, dynamically, and non-hierarchically connected to the WAN; and communicates with the computing devices using the self-organizing WAN.

A three-dimensional graphene antenna includes a three-dimensional graphene radiation layer, a dielectric substrate, a metal layer and a feeder line. The three-dimensional graphene radiation layer is made from porous three-dimensional graphene. A preparation method of the porous three-dimensional graphene includes steps of preparing pressurized solid particles by pressurizing gas into solid micro particles, mixing the pressurized solid particles with a graphene oxide dispersion liquid, removing liquid nitrogen under high pressure and low temperature such that the graphene oxide flakes enwrap around the pressurized solid particles, obtaining a graphene oxide block containing the pressurized solid particles by extruding, sublimating the pressurized solid particles in the graphene oxide block into gas, forming holes in the graphene oxide block and annealing, thereby obtaining the three-dimensional graphene. The three-dimensional graphene has a porous three-dimensional conductive network structure, which is able to be in any shape without any pollution.

A manufacturing process of a rear window for vehicles including the following steps: provision of a glass plate with an external side suitable for being directed towards the exterior of the vehicle and an internal side suitable for being directed towards the interior of the vehicle; application of a heater on the internal side of the glass plate, the heater having two bus bars that are electrically connected to a positive pole and to a negative pole of a battery of the vehicle, respectively, and a plurality of horizontal heating lines that connect the bus bars; and application of antenna traces on the internal side of the glass plate, wherein the antenna traces have strips of transparent nanowires made of conductive material. The application of the antenna traces is made by spray-coating on the internal side of the glass plate.

The present disclosure is directed to an antenna that includes a substrate and a graphene or graphite layer positioned on at least a portion of the substrate. The graphene or graphite layer includes a first zone having a first thickness along a vertical direction of the antenna and a second zone having a second thickness along the vertical direction of the antenna. The second thickness is less than the first thickness such that the second zone has a greater electrical resistance than the first zone.

An apparatus may include a protective screen overlay configured to couple with a screen of a wireless device. The protective screen overlay may be optically transparent. A conductive element is positioned in the protective screen overlay and configured to parasitically couple with an antenna of the wireless device when the antenna is energized. The conductive element may be optically transparent.

In aspects of a small cell installation structure, a carbon fiber skeleton provides stability and an attachable framework to mount wireless technology equipment. A formable foam material, such as a polyurethane material, is configured as a formable aesthetic housing around the carbon fiber skeleton, and a hardened polymer coating over the formable foam material is adapted to a shape of the formable aesthetic housing. The hardened polymer coating resists environmental conditions that may otherwise hamper performance of the wireless technology equipment. Additionally, an antenna housing module encloses antennas of the wireless technology equipment, is integrated with the carbon fiber skeleton, and is designed to pass millimeter wave (mmW) spectrum wireless signals.

A display device having an NFC communication function includes a display panel, wherein an NFC antenna is integrated in the display device, the NFC antenna is disposed on a display surface side of the display panel, and the NFC antenna is made of a transparent conductive material. The NFC antenna is integrated in the display device, the NFC antenna is disposed on a display surface side of the display panel, therefore the sensitivity and reliability of the NFC signals are high, the NFC antenna is not easy to be broken and misaligned, and as the NFC antenna is made of a transparent conductive material, it can be placed in the display area, which is conducive to the design of a narrow frame for a module.

Provided is a sensor comprising a non-conductive substrate; and a conductive layer electronically printed on one side of the substrate, wherein the conductive layer comprises: an antenna pattern for transmitting and receiving a radio signal with an external device; a sensing electrode connected to the antenna pattern via a circular wiring for sensing an impedance change due to contact with a sensing target material; and a coating electrode stacked on the sensing electrode for removing an occurrence of noise of the impedance change. Accordingly, the present invention solves the problem of a sensor, in the form of a terminal, not being compact and the problem of high manufacturing costs and low manufacturing quality of a sensor manufactured using a deposition method in order to replace such sensor with a sensor manufactured by a printing method, and solves a corrosion problem of a sensing electrode, a durability problem, etc. that may occur in the sensor of the printing method.

An ultramicro circuit board based on an ultrathin adhesiveless flexible carbon-based material and a preparation method thereof. The method comprises the steps of: S1. depositing to form a PI film on a surface of a quantum carbon-based film through a chemical vapor deposition (CVD) reaction, and manufacturing a flexible circuit board base material with a quantum carbon-based film/PI double-layer composite structure; and S2. manufacturing a high-frequency ultramicro circuit antenna on the flexible circuit board base material through a laser scanning etching method. The preparation method has the advantages of being good in environmental friendliness, high in efficiency, low in manufacturing cost and the like, and the manufactured antenna ultramicro circuit board has the advantages of being high in thermal and electrical conductivity, ultra-flexible, low in dielectric, low in loss and high in shielding performance, which can be applied to 5G equipment.

The present invention discloses a nanocomposite coating composition and coating method for antenna reflector. The nanocomposite coating composition comprises a polymer matrix resin and a plurality of graphene nanoparticles. A portion of hardener is firstly added into epoxy resin system. The plurality of graphene nanoparticles is added to acetone solvent and dispersed using an ultrasonic disperser. An appropriate amount of prepared epoxy resin is added to the mixture of graphene and acetone solvent and stirred using a mechanical stirrer for certain period. The sonication process is applied to the graphene incorporated resin mixture for a duration of about 30-120 minutes. The acetone in the mixture is removed using a magnetic stirrer and a vacuum oven. Further, the remainder of the hardener is added to the mixture and degassed using vacuum oven to form the nanocomposite coating composition. The nanocomposite coating composition converts an electromagnetically insulated antenna into an electromagnetically conductive antenna for enhancing one or more electromagnetic characteristics of the antenna reflector.