An antenna housing includes, in at least one region which, after the antenna housing is mounted, is exposed to an incident flow from an air stream, a structure formed such that it transfers the incident air stream and the air stream present at the housing into a turbulent flow at a transfer region defined by the structure A corresponding structure is also disclosed.

The disclosure relates to an antenna system [1] comprising a mast [7], in turn comprising a base section [2b] and an extendable section [a], and an antenna [6]. The antenna [6] is arranged to be rotatable and the extendable section [2a] comprises a plurality of telescopic sections [8] whereby the extendable section [2a] may adopt a retracted configuration and a deployed configuration. The mast [7] is foldable in relation to a platform [5] in a vertical plane [PLxy] essentially parallel to the longitudinal direction of the extendable section [LD-es] and to the longitudinal direction of the base section [LD-bs] by means of a first pivot joint [9]. According to the disclosure the antenna system [1] may be arranged to the platform [5], wherein the platform [5] may be in form of a vehicle [5-v], whereby an antenna arrangement [101] is formed. The disclosure further relates to methods of avoiding oscillations for an antenna system [1] and/or an antenna arrangement [101], and to a method of undeploying an antenna arrangement [101].

The present invention relates to articles comprising core shell liquid metal encapsulate networks and methods of using core shell liquid metal encapsulate networks to control AC signals and power. Such method permits the skilled artisan to control the radiation, transmission, reflection and modulation of an AC signal and power. As a result, AC system properties such as operation frequency, polarization, gain, directionality, insertion loss, return loss, and impedance can be controlled under strain.

A heat shield sheet stacked at an upper surface of an upper plate of a vehicle includes a low emissivity coating layer having a white color, a base sheet on which the low emissivity coating layer is stacked, and a colored infrared transparent layer that is stacked on a solar radiation side of the low emissivity coating layer and transmits infrared rays. Since the low emissivity coating layer is a white color, the reflectance of sunlight is high. Therefore, the solar heat can be reflected efficiently by the low emissivity coating layer.

An antenna device with an electrostatic discharge protection function and an electrostatic discharge protection method thereof are provided. The antenna device includes a first and a second antennae, and a voltage level, a switching, and a radio frequency (RF) front end circuits. The switching circuit is selectively coupled to the first or second antenna. The RF front end circuit is coupled to the switching circuit and controls the switching circuit to couple to one of the first and second antennae for communication transmission. The voltage level circuit detects a voltage level of the one of the first and second antennae. When determining that the voltage level is greater than a threshold voltage, the voltage level circuit transmits a control signal to the RF front end circuit to control the switching circuit to couple to another one of the first and second antennae to continue the communication transmission.

An electronic device is disclosed. An electronic device according to an embodiment may include: a first Printed Circuit Board (PCB), a second PCB, a Radio Frequency (RF) transceiver disposed on the first PCB, a Flexible Printed Circuit Board (FPCB) coupled with the first PCB and the second PCB and electrically coupled with the RF transceiver, the FPCB including a transmission line of a wireless communication signal, an amplifier disposed on the second PCB and electrically coupled with the RF transceiver by the FPCB, a first antenna electrically coupled with the amplifier through the second PCB and configured to receive a wireless communication signal corresponding to a first frequency, and a second antenna electrically coupled with the amplifier through the second PCB and configured to receive a wireless communication signal corresponding to a second frequency. The first antenna and the second antenna may be disposed closer to the second PCB than the first PCB in the electronic device. The amplifier may amplify a wireless communication signal received from the first antenna and second antenna.

An antenna includes a first dielectric layer having a first surface and a second surface, a second dielectric layer having a third surface and a fourth surface, and a reinforcing layer disposed between the first dielectric layer and the second dielectric layer and including an insulating material. A first adhesive layer is disposed between the first dielectric layer and the reinforcing layer, and a second adhesive layer is disposed between the second dielectric layer and the reinforcing layer. A first pattern layer is disposed on a surface of the first dielectric layer facing the first adhesive layer, and a second pattern layer is disposed on a surface of the second dielectric layer facing away from the second adhesive layer. The reinforcing layer has a first cavity penetrating a region between the first and second dielectric layers.

An antenna for a portable communication device is provided. The antenna comprises an antenna body having an upper section and a lower section with a connection point therebetween. The connection point being configured to: couple the upper and lower sections during normal antenna operation; decouple the upper and lower sections in response to an impact event; and recouple the upper and lower sections after the impact event.

According to an embodiment of the disclosure, an electronic device may include: a printed circuit board (PCB); a plurality of lines disposed on the PCB; a plurality of conductive pads disposed at an upper surface of the PCB on which the plurality of lines are disposed; a first antenna pattern disposed at the upper surface of the PCB and electrically connected to a first conductive pad of the plurality of conductive pads; and a first switch electrically connected to the first antenna pattern.

Provided are an antenna, a phase shifter, and a communication device. The antenna includes a first metal electrode, a second metal electrode, and a photo-sensitive layer. The first metal electrode and the second metal electrode are respectively located on two opposite sides of the photo-sensitive layer. The first metal electrode includes multiple transmission electrodes. The multiple transmission electrodes are configured to transmit electrical signals. The photo-sensitive layer includes at least one photo-sensitive unit and the at least one photo-sensitive unit overlaps the transmission electrodes. The antenna provides more possibilities for large-scale commercialization.