88results about "De-icing/drying-out arrangements" patented technology

A phased-array apparatus and a phased-array system are provided. The phased-array apparatus is connected to an antenna element. The phased-array apparatus includes a first chip and a first functional layer. The first chip is configured to send and / or receive a first signal. A redistribution wiring is disposed on the first functional layer, and the redistribution wiring is configured to connect the first chip and the antenna element. The first functional layer is disposed on a first surface of the first chip, a normal direction of a plane on which the first surface of the first chip is located is perpendicular to a normal direction of a plane on which a surface of the antenna element is located, and a transmission direction of the first signal is parallel to the normal direction of the plane on which the surface of the antenna element is located. In this way, a chip is disposed in a direction perpendicular to the surface of the antenna element, and a wiring on a surface of the chip connects the chip and the antenna element, thereby shortening a length of the wiring, shortening a transmission path of a chip signal, and reducing a signal transmission loss.

Embodiments disclosed herein include a high-frequency emission module. In an embodiment, the high-frequency emission module comprises a solid state high-frequency power source, an applicator for propagating high-frequency electromagnetic radiation from the power source, and a thermal break coupled between the power source and the applicator. In an embodiment, the thermal break comprises a substrate, a trace on the substrate, and a ground plane.

This application discloses an antenna and a base station, where the antenna includes: a reflection plate, a radome, a heat sink, a radiating element, and a transceiver. The reflection plate has a first surface and a second surface opposite to each other, the radome is disposed on the first surface of the reflection plate, and the radome and the first surface form an enclosed first accommodating space. The radiating element is disposed in the first accommodating space, so that the first surface of the reflection plate integrates a radome installation function. The heat sink is fastened to the second surface of the reflection plate, and the heat sink and the second surface form an enclosed electromagnetic shielding space. The transceiver is located in the electromagnetic shielding space, so that the second surface of the reflection plate has an electromagnetic shielding function. In this application, functions and structural features of three conventional components, namely, a reflection plate, an electromagnetic shielding cover, and a radome installation enclosure frame in the antenna are integrated into a component of the reflection plate, so that a quantity of components in the antenna can be reduced, a weight of the antenna can be reduced, height space of the entire antenna can be reduced, and a size of an antenna product can be reduced, reducing costs.

An apparatus for outdoor power supply and internet connectivity that can be mounted to an exterior porch light junction box or independently, receiving alternate power through a grounded interior property outlet. The apparatus includes a housing having a front side and a rear side, wherein the rear side is mounted to the junction box or affixed to an exterior substrate. One or more transformers are encased within the housing for transforming the power supply, such as from 110 V to 24 V. A Wi-Fi extender is encased within the housing, wherein hybrid antennas of the Wi-Fi extender and / or LTE and 5G internet are mounted to an outer side of a wall of the housing. A porch light or other apparatus may be mounted to the front side of the housing. Multiple power sockets are connected to the power supply and the transformer, respectively.

A liquid crystal composition for a radio wave control element is provided. The composition serves as a material exhibiting a large refractive index anisotropy with respect to radio waves. The composition includes at least one dichroic coloring agent, with a total content of 30% by mass or more relative to the total mass of the liquid crystal composition. The liquid crystal composition exhibits high absorbance in the wavelength range of 350 to 1,000 nm, making it suitable for use in radio wave control elements requiring strong optical anisotropy and efficient absorption characteristics.

A heating arrangement for warming a sensor payload in a vehicle is disclosed, wherein the heating arrangement is positioned along the path of the detected energy directly above a sensor area of ​​the sensor payload. This design provides direct heating of the sensor area, thereby minimizing the energy required to prevent snow or ice accumulation and reducing disruption to the operation of the sensor payload.

A radio apparatus that has a high heat dissipation performance and can be manufactured at a low cost is provided. A radio apparatus includes a heat dissipation part that dissipates heat generated by a heat generation source to the outside. The heat dissipation part is composed of a solid material, and includes a heat dissipation plate and a plurality of heat dissipation fins provided in the heat dissipation plate, the plurality of heat dissipation fins being disposed on a side of the heat dissipation plate where a radiating element or a reflective element is disposed. The heat dissipation fins form a periodic structure along at least one direction on the heat dissipation plate. Tips of the plurality of heat dissipation fins form a virtual reflective surface that reflects incident waves to the plurality of heat dissipation fins.

A shielding device (100) is disclosed, wherein the shielding device (100) comprises at least a printed circuit board (102), electronic components (104) attached to the printed circuit board (102), a waveguide antenna (106) attached to the printed circuit board (102), and a metallic heat distribution element (108), wherein the metallic heat distribution element (108) is electrically connected to the waveguide antenna (106), and wherein the waveguide antenna (106) and the metallic heat distribution element (108) enclose the electronic components (104) attached to the printed circuit board (102) and are designed such that a Faraday cage (110) results from the waveguide antenna (106) and the metallic heat distribution element (108).

According to an embodiment, an air-cooled cooling structure for cooling a heat-generating body by air is provided with a support member for supporting the heat-generating body on an inner surface of the support member, and a baffle unit. The baffle unit generates a spiral airflow around an extending direction of the support member. The air-cooled cooling structure may be further provided with a fan for compulsorily generating the airflow.

An electronic device is provided. The electronic device includes first and second printed circuit boards (PCBs); a flexible PCB (FPCB) connecting the first and second PCBs; and an antenna module between the first and second PCBs. The antenna module includes: a first pattern layer provided on a first substrate surface and forming a first coil pattern; a second pattern layer provided on a second substrate surface and forming a second coil pattern; an overlapping area in which the FPCB is provided between portions of the second pattern layer; and a plurality of pattern areas in which the portions of the second coil pattern are respectively provided.

The application relates to the technical field of antennas, and discloses an antenna transceiving structure and an antenna transceiving assembly.The antenna transceiving structure comprises a multifunctional chip, a signal transmission layer, a heat dissipation layer and an antenna; the first surface of the signal transmission layer is provided with the multifunctional chip, the multifunctional chip is used for processing received radio frequency signals; the signal transmission layer is provided with the heat dissipation layer and a signal transmission channel, the heat dissipation layer is connected with the multifunctional chip, and the heat dissipation layer comprises a metal heat dissipation layer; one end of the signal transmission channel is connected with the multifunctional chip, and the other end of the signal transmission channel is connected with the antenna; the antenna is located on the second surface of the signal transmission layer, the second surface is opposite to the first surface, and the antenna is used for realizing signal transmission with the multifunctional chip through the signal transmission channel.The antenna transceiving structure has good heat dissipation, thereby improving the reliability and service life of the multifunctional chip.

The present application provides an antenna module and a communication device. The antenna module includes a radiating element, a ground element, and a feeding element. The feeding element is a transmission line structure formed on an insulating support. The feeding element includes a feeding transmission portion and a grounding portion. The feeding transmission portion and the grounding portion have unequal widths and are configured to achieve current balance of the antenna module.

A heater array that heats a sensor load in a vehicle is disclosed that is positioned directly on a sensor region of the sensor load along a path of sensed energy. This configuration provides direct heating of the sensor region, thereby minimizing the energy required to prevent snow or ice accumulation while reducing interference with operation of the sensor load.

According to various embodiments disclosed herein, an electronic device is provided, the electronic device comprising a housing, an antenna module, a bracket, and a heat transfer material. The housing includes a side member and a conductive support plate. The antenna module includes a PCB. The PCB is disposed inside the housing so as to face the side member. The antenna module includes at least one antenna element disposed on the PCB. The antenna module includes at least one electronic component disposed on the PCB. The bracket surrounds at least a portion of the antenna module so as to accommodate the antenna module. The bracket is configured to be fixed to the conductive support plate of the housing. The bracket includes at least one opening. The heat transfer material is filled via the at least one opening in the bracket and transfers heat generated by the at least one electronic component to the conductive support plate of the housing.

This invention belongs to the field of semiconductor packaging and antenna technology, specifically an AiP packaged antenna structure and fabrication method that is easy to mass-produce, including a substrate layer, a redistribution layer, a molding insulating layer, and an antenna radiating layer; characterized in that a vertical coaxial interconnect component is embedded in the molding insulating layer, which includes a central signal conductor, an inner dielectric sleeve, and a metal shielding wall; the central signal conductor connects to the signal path, and the metal shielding wall connects to the ground plane to form a closed electromagnetic channel; through the above solution, this application achieves precise control of characteristic impedance, improves channel isolation, reduces transmission loss, and improves mass production yield through modular technology.

According to the present disclosure, an electronic device can be provided. The electronic device may comprise: a housing including a first portion, which forms one part of the exterior thereof, and a second portion, which extends from the first portion to the inside of the electronic device; an opening formed by passing through the first portion to one part of the second portion; a nonconductive cover arranged at the opening formed at the first portion; an antenna assembly, which is located on the second portion and is arranged to face the nonconductive cover through the opening; and a ventilation member, which is arranged in the opening and is arranged between the nonconductive cover and the antenna assembly.

Disclosed are exemplary embodiments of electromagnetic interference (EMI) mitigation materials and EMI absorbing compositions including carbon nanotubes. The carbon nanotubes may comprise single-walled carbon nanotubes, multi-walled carbon nanotubes, and / or carbon nanostructures comprising a branched network of crosslinked carbon nanotube structures. For example, exemplary embodiments may include a composition comprising carbon nanotubes within a polymer resin, whereby the composition is operable for absorbing noise and / or for reflecting signals thereby inhibiting passage or transmission of the signals through the composition. Also, for example, exemplary embodiments may include broadband millimeter wave EMI absorbers comprising carbon nanotubes.

Electronic device includes a housing including a conductive portion, an antenna module disposed in an inner space of the housing and including printed circuit board (PCB) disposed in the inner space, including a first surface and a second surface facing a direction opposite to the first surface, at least one antenna element disposed on the first surface of the PCB or near the first surface in the PCB, a wireless communication circuit disposed on the second surface and configured to transmit and / or receive a radio signal through the at least one antenna element, a protective member disposed on the second surface of the PCB to surround at least partially the wireless communication circuit, and a conductive shielding layer disposed on the protective layer, and a conductive member connected to the conductive portion of the housing and facing the conductive shielding layer of the antenna module at least in part.

This utility model relates to the field of antenna technology and discloses an antenna signal enhancement structure, including a metal component, a plastic component disposed inside the metal component, an antenna carrier disposed on one side of the plastic component, a positioning hole formed inside the plastic component, an LCD screen disposed on one side of the metal component, and one side of the LCD screen disposed on one side of the plastic component. An antenna mounting position is formed inside the metal component, with the interior of the antenna mounting position located outside the antenna carrier. A positioning block is disposed inside the metal component, with the exterior of the positioning block located inside the positioning hole. In this utility model, the plastic component is fixed to the metal component via eight positioning holes, eight positioning blocks, and screws, thereby achieving the effect of improving WIFI signal transmission power and reception sensitivity, solving the signal shielding interference of the metal casing, and maintaining the high-end texture of the metal frame, ultimately achieving a balance between signal performance and aesthetic design.

An antenna may have features to ameliorate ice accumulation thereon. For instance, the antenna may include a feed structure between a reflector and a radome. The radome may cover at least a portion of the antenna and / or components of the antenna. A heating element may be located at various locations on the feed structure of the antenna. The heating element may heat the radome or other aspects of the antenna. The heating element may heat the radome or other aspects by infrared radiation, and / or via circulating warmed air. A fan may be provided to promote circulation of warmed air. The heat ameliorates ice accumulation the antenna so that ice accumulation does not diminish the electromagnetic performance of the antenna.

In order to improve the integration and reliability of the non-periodic array phased array antenna, the application provides a large-size liquid cooling panel for a non-periodic array phased array antenna, and the radiation subarrays are arranged in a non-periodic manner with random spacing, the minimum gap between the radiation subarrays is the minimum assembly gap, and the maximum gap is more than 1 times the unit spacing. In order to reduce the winding distance, the back-end active subarray and the front-end radiation subarray adopt the same random arrangement mode. The production process of the liquid cooling panel mainly includes panel blank flow channel processing, flow channel cleaning, through cover plate welding, flow channel cover plate welding, heat treatment, flow channel sealing inspection, machining, conductive oxidation and sealing inspection. The installation demand and bearing demand of the non-periodic arrangement of the radiation subarray can be met, the active subarray heat dissipation channel is integrated, and good process implementation is achieved.

This invention relates to the field of snow melting technology for antenna reflectors, and discloses a carbon fiber composite antenna reflector snow melting system and its preparation method. The system includes a first carbon fiber material, with a heating wire disposed on its outer wall. Both ends of the heating wire are provided with a male connector and a female connector, which are electrically connected. A padding material is disposed on the outer wall of the first carbon fiber material, and a temperature sensing probe is attached to the inner wall of the padding material. A second carbon fiber material is disposed on the outer wall of the padding material. The first and second carbon fiber materials are composited to form an integral structure. The input end of the male connector is electrically connected to a control system. By pre-embedding the heating wire between the first and second carbon fiber materials and controlling the power supply to the heating wire using the control system, the system can rapidly melt the snow covering the reflector surface when the external antenna surface is exposed to low outdoor temperatures and icy weather, ensuring that the product can still function normally in freezing, snowy, and other similar environments.

This application relates to the field of wireless power transfer technology and discloses a ring-shaped distributed hybrid energy storage and in-flight wireless power replenishment system, including a ground-based transmitting base station and an airborne receiving terminal. The airborne receiving terminal includes multiple circumferentially distributed fan-shaped battery compartments, each integrating an antenna array, hybrid energy storage, and a control routing module. The control routing module adjusts the antenna input impedance according to the battery status: switching to a matched state to absorb microwave energy when charging is needed; and switching to a total reflection mismatch state when fully charged or in a faulty state, using the increased radar cross-section to reflect pilot signals for identification by the ground base station and to form an energy null trap. The hybrid energy storage module uses supercapacitors to smooth power pulsations in time-division duplex mode. The system employs a microcapsule phase change fluid loop for thermal management. This invention achieves on-demand energy distribution without the need for an independent communication link, improving the stability of energy transfer and the system's thermal safety.

The invention relates to a test system (54) for electromagnetic compatibility testing. The test system (54) comprises an anechoic chamber (56) and a biconical antenna assembly (10). The biconical antenna assembly (10) has an antenna feed point (12), a first antenna structure (14) and a second antenna structure (16). The first antenna structure (14) and the second antenna structure (16) extend from the antenna feed point (12) towards opposite directions. The biconical antenna assembly (10) comprises a first additional capacitive structure (28) that is attached to the first antenna structure (14) and a second additional capacitive structure (30) that is attached to the second antenna structure (16). The anechoic chamber (56) has a floor (58). An electromagnetic layer (60) made from a material with high dielectric properties is provided between the biconical antenna assembly (10) and the floor (58). The electromagnetic layer (60) has lower electrically conducting properties in comparison to the floor (58) of the anechoic chamber (56).

An antenna installed in a heat dissipation vent includes a heat dissipation frame, a main antenna body, and an auxiliary antenna body. The heat dissipation frame has a plurality of first openings and a plurality of second openings. The main antenna body has a main antenna pattern and a plurality of first alignment openings. The first alignment openings are aligned with the first openings, and are bonded to the heat dissipation frame. The auxiliary antenna body has an auxiliary antenna pattern and a plurality of second alignment openings. The second alignment openings are aligned with the second openings, and are bonded to the heat dissipation frame. Accordingly, an integration degree of a heat sink and an antenna component can be improved.

The application relates to the technical field of phased array antennas, in particular to a flat plate type phased array antenna which comprises a base, an angle adjusting mechanism arranged on the base, and a phased array antenna body arranged on the angle adjusting mechanism, a rotating seat is rotatably arranged at the middle part of the base, an antenna mounting surface is rotatably arranged above the rotating seat, and the phased array antenna body is arranged above the antenna mounting surface; the angle adjusting mechanism comprises an azimuth angle adjusting assembly and a pitch adjusting assembly; a center wave-transparent area is arranged at the middle part of a heat shield, and a heat flow guiding assembly is arranged on the periphery of the heat shield. Compared with the prior art, the heat flow guiding assembly is arranged, heat is transmitted through contact and convection / radiation coupling into the groove, then is diffused in the circumferential direction, is transmitted to the outer heat conduction plate in a directional manner, and is connected to an external radiator / fins / heat pipes / liquid cooling, etc. through the external connecting hole to realize multi-point heat dissipation and uniform temperature release, reduce local hot spots, thermal stress and maintenance replacement cost.

Disclosed are an electric heating film. The electric heating film includes a substrate and a first conductive mesh. The first conductive mesh is patterned on a side of the substrate in a first direction, and configured to generate heat under an energized condition. A plurality of breakpoints are distributed unevenly in the first conductive mesh. By appropriately configuring the distribution of the breakpoints in the first conductive mesh, the heating rate distribution of the first conductive mesh may be better adapted to specific application requirements.

A wireless signal receiving circuit and system are disclosed. The wireless signal receiving circuit includes: an antenna structure for receiving wireless signals in multiple frequency bands; a first duplexer connected to the antenna structure for splitting the wireless received signals into a low-frequency first wireless signal and a high-frequency second wireless signal; a first extractor coupled to the first duplexer for receiving the first wireless signal and splitting the first wireless signal into a third wireless signal and a fourth wireless signal; a second duplexer coupled to the antenna structure and connected to the first extractor for combining the wireless received signal and the third wireless signal into a fifth wireless signal; and a third duplexer coupled to the first extractor and the first duplexer for combining the second wireless signal and the fourth wireless signal into a sixth wireless signal.

This utility model relates to an antenna tilting mechanism, an antenna system, and an automated airport for unmanned aerial vehicles (UAVs), belonging to the field of aerospace technology. It solves the problems of weak environmental adaptability and poor operational reliability of antenna mechanisms in existing UAV airport technologies. This utility model includes a base assembly, a rotating assembly, and a heating component. The upper part of the base assembly is used to mount the antenna, and the rotating assembly is connected to the base assembly. The rotating assembly includes a rotating shaft, and the rotation of the rotating shaft drives the base assembly and the antenna to rotate, thereby tilting the antenna assembly. The heating component is disposed inside the base assembly and is used to heat the base assembly and the rotating shaft. This utility model can improve the environmental adaptability and operational reliability of the antenna in an UAV airport.