1325results about "De-icing/drying-out arrangements" patented technology

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

The invention relates to the technical field of communication, in particular to an airborne Tiantong phased-array antenna and an application method thereof. According to the method, phased-array antenna beams are driven to perform electronic scanning according to a geometric azimuth angle, beacon signal blind acquisition is performed in a preset airspace in a wide beam mode, and when an initial signal is detected, the mode is immediately switched to a narrow beam scanning mode; dynamically adjusting a phase weighting coefficient to realize pointing adjustment, so that a signal quality parameter is continuously converged in an optimal threshold interval; carrying aircraft maneuvering acceleration feedback is introduced, beam pointing offset is dynamically compensated based on a pre-constructed interference feature library, and signal fluctuation caused by a multipath effect is suppressed; and continuously checking a data validity flag bit of the main inertial navigation system, seamlessly switching to an antenna built-in inertial navigation data stream when a failure threshold is triggered, and activating a rapid recapture program to maintain zero interruption of a communication link. Through dual-source inertial navigation data fusion and intelligent beam control, rapid and accurate tracking of Tiantong satellites in an airborne environment is realized.

An antenna unit includes a case having a base and a lid. An antenna assembly is located within the lid and is IP67 compliant, being waterproof. The antenna assembly can provide antennas located on one or more baseplates that are positioned within the top cover of the box. A baseplate can act as a heatsink, a reflector, and / or a ground plane, for the antennas while the cover is closed and in the locked position. The antennas have been designed and optimized to work on a baseplate and designed to operate with the thick plastic cover of the box. A plurality of antenna components are situated within the base separate from the antenna assembly. An optional barrier is located within the base to divide the antenna components from the lid. The antenna assembly include different types of antennas operable at least between 600 MHz to 39 GHz. The lid is separable from the base and is divided from other components to minimize interference so that all antennas may operate simultaneously while the lid is in a closed position.

An antenna assembly can include a base portion and a cover, the cover configured to be removably coupled to the base portion. The antenna assembly can include a modem positioned on or above the base portion, a ground plane, and a multi-band antenna.

An antenna assembly may include a housing including a radome having at least an outer layer made of a melt-processable fluoropolymer material. The antenna assembly may further include an antenna system disposed within the housing.

An antenna unit can include a case, a baseplate, and an antenna assembly. The case can include a base defining a first internal volume and a lid defining a second internal volume, the lid configured to couple to the base, the lid configured to move between a closed configuration and an open configuration to selectively permit access to an interior of the case. The antenna unit can include one or more components located within the first internal volume of the base. The baseplate can be configured to be removably coupled to the lid. The antenna assembly can include a plurality of antennas coupled to the baseplate and located within the second internal volume. The antenna unit can act as an emergency portable hot spot and serve as a complete portable network in a singular box and / or case. Additional antenna systems, including directional antenna systems, satellite terminal antenna systems and various other multi-band antennas and components are also disclosed.

A vehicle according to an embodiment comprises: a roof structure, formed as the exterior of the vehicle, comprising a first fixing part and a second fixing part; and an antenna assembly mounted on the roof structure. The antenna assembly comprises: a first cover provided with first and second groove portions on the outer surface, and a plurality of coupling portions on the inner surface, the first groove portion coupling with the first fixing part of the roof structure, and the second groove portion coupling with the second fixing part of the roof structure; and a second cover coupling with the first cover. The second cover is made of metallic material and comprises four side portions.

An antenna assembly can include a cover, a base, an internal ground plane, a PCB, and a multi-band antenna. The base can be coupled to the cover to define an internal volume, with the internal ground plane positioned there between. The PCB can include a base PCB portion and a first PCB portion. The multi-band antenna can comprise a radiating element formed on the first PCB portion, the radiating element comprising an upright radiating portion and a head radiating portion. The radiating element can be configured to move from a first configuration prior to engagement with the cover to a second configuration when the cover is coupled to the base. In the first configuration, the upright radiating portion can be coplanar to the head radiating portion, and in the second configuration, the upright radiating portion can be at an angle relative to the head radiating portion.

The invention provides an electronic device which comprises a middle frame, a rear cover, a circuit board, a supporting piece, an antenna first sub-part and an antenna second sub-part, the rear cover is fixed to one side of the middle frame, an inner cavity and an air channel are formed between the rear cover and the middle frame, and the circuit board and the supporting piece are both installed in the inner cavity. The antenna first sub-part is fixed to the side, facing the rear cover, of the supporting piece and electrically connected with the circuit board, the antenna second sub-part is fixed to the side, facing the middle frame, of the rear cover or is a part of the rear cover, at least part of the antenna second sub-part is located in the air duct, and the area, facing the antenna second sub-part, of the rear cover is a non-signal shielding area. And the antenna first sub-part and the antenna second sub-part jointly form an antenna. The antenna area of the electronic equipment is large, and the antenna performance is good.

This is directed to an electronic device enclosure. The enclosure includes an outer periphery member forming an outer surface of a device, and to which an internal platform is connected. Electronic device components can be assembled to one or both surfaces of the internal platform. The enclosure can include front and back cover assemblies assembled to the opposite surfaces of the outer periphery member to retain electronic device components. One or both of the cover assemblies can include a window through which display circuitry can provide content to a user of the device.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

An antenna assembly can include a base portion and a cover, the cover configured to be removably coupled to the base portion. The antenna assembly can include a modem positioned on or above the base portion, a ground plane, and a multi-band antenna.

An antenna assembly can include a case, a first ground plane, and a multi-band multi-element antenna. The case can include a body portion and a door pivotably coupled to the body portion. The first ground plane can be coupled to the body portion and can divide the case into a first internal volume and a second internal volume. The multi-band multi-element antenna can include at least one multi-band radiating element coupled to a top side of the first ground plane. The antenna assembly can include a tablet computer and / or a display screen.

The present disclosure relates to an active heat dissipation apparatus including a thermal conduction panel body having a refrigerant flow space in which a refrigerant is stored and flows, in which the refrigerant flow space includes a first refrigerant flow path having a vaporization zone in which the refrigerant changes from a liquid phase to a gaseous phase, and a plurality of second refrigerant flow paths provided in a condensation zone provided in a portion other than the first refrigerant flow path and configured to guide a flow of a liquid refrigerant to the vaporization zone, and in which the second refrigerant flow paths form independent flow paths for the liquid refrigerant by a plurality of inclined guides, which protrude in the refrigerant flow space, have surfaces that adjoin one another and are in surface contact with one another, and are provided straight and inclined toward the first refrigerant flow path so as to be physically separated from the adjacent second refrigerant flow path, and by a plurality of strength reinforcement portions respectively formed on the plurality of inclined guides, thereby significantly improving heat dissipation performance.

The invention relates to the technical field of antennas, in particular to a multi-level intelligent overheating protection system and method based on a gallium nitride module antenna. According to the method, a thermal load optimal migration path is analyzed based on a virtual thermal capacity network model, and an input impedance matching network of a target unit is synchronously tuned according to the thermal load optimal migration path to compensate beam phase distortion caused by thermal migration; and according to the boundary constraint condition of the real-time threat scene feature injection virtual thermal capacity network model, dynamically solving a game equilibrium solution of a thermal load migration path and a beam parameter tuning amount, and generating a thermal-radio frequency combined control instruction set. According to the method, full-process closed-loop control from thermal inertia characteristic analysis, thermal network modeling to thermal-radio frequency collaborative optimization is realized, so that the gallium nitride antenna system can intelligently plan an optimal thermal migration path and compensate thermally induced performance distortion in real time in a complex thermal environment and a threat scene, and finally dual optimization of heat dissipation efficiency and radio frequency indexes is achieved.

An antenna structure is disposed on a heat sink. The heat sink includes a plurality of cooling fins. The antenna structure includes a feeding source, a connecting member connected to the feeding source, and an antenna unit. The feeding source is located between two of the adjacent cooling fins. The antenna unit includes a radiation portion connected to the connecting member, a first segment, a second segment, and a third segment. The first segment and the second segment are connected to the radiation portion. The second segment is arranged in alignment with the first segment and a distance apart from the cooling fins. The third segment is connected to the feeding source and overlaps with at least one of the cooling fins.

Systems and methods are provided for a digital beamformed phased array feed. The system may include a radome configured to allow electromagnetic waves to propagate; a multi-band software defined antenna array tile; a power and clock management subsystem configured to manage power and time of operation; a thermal management subsystem configured to dissipate heat generated by the multi-band software defined antenna array tile; and an enclosure assembly. The multi-band software defined antenna array tile may include a plurality of coupled dipole array antenna elements; a plurality of frequency converters; and a plurality of digital beamformers.

The utility model discloses an antenna device and a radar. The antenna device comprises a waveguide feed layer, a waveguide routing layer and a slot radiation layer, the waveguide feed layer comprises an outer waveguide cavity and an inner waveguide cavity, and a power division structure and a first inner waveguide transmission structure are arranged on the surface of the side, away from the waveguide feed layer, of the waveguide routing layer. An outer waveguide transmission structure and a second inner waveguide transmission structure are arranged on the surface of the side, close to the waveguide feed layer, of the waveguide routing layer, and the outer waveguide transmission structure is used for transmitting electromagnetic signals between the outer waveguide cavity and the power division structure. The first inner side waveguide transmission structure and the second inner side waveguide transmission structure are used for transmitting electromagnetic signals between the inner side waveguide cavity and the power division structure, and the slot radiation layer comprises a radiation slot arranged corresponding to the power division structure. The antenna device and the radar provided by the embodiment of the utility model have the advantages of high transmission efficiency, wide working bandwidth, flexible antenna layout, low batch production cost and the like.

An antenna module for a vehicle, the antenna module including a printed circuit board (PCB) including electronic components; a metal heat sink disposed below the PCB to absorb heat generated from at least one of the electronic components; a blower fan structure disposed above the PCB and having a blower fan to dissipate heat generated from the at least one of the electronic components; a dielectric carrier coupled to the blower fan structure and having a hole formed to correspond to an area occupied by the blower fan; and an antenna element formed as a metal pattern on a top of the dielectric carrier to radiate a radio signal.

The invention discloses a liquid metal-based radar antenna array surface non-uniform heat flux density heat dissipation structure, which comprises an antenna array surface, a radiation unit is mounted on the front surface of the antenna array surface, a liquid cooling plate is mounted on the back surface of the antenna array surface, and a T / R assembly on the antenna array surface is connected with the liquid cooling plate; a gradient porous structure formed based on a three-period minimal curved surface is welded at the bottom of the liquid cooling plate, and the liquid cooling plate is sealed with the liquid cooling shell through a sealing piece; the liquid cooling shell comprises a liquid inlet channel, a liquid outlet channel and a liquid cooling cavity, and liquid metal as cooling liquid exchanges heat with the liquid cooling plate through the liquid inlet channel and the liquid cooling cavity and then flows out through the liquid outlet channel. According to the invention, the liquid metal with high thermal conductivity is adopted as the cooling liquid and is combined with the gradient porous structure formed based on the three-period minimal curved surface, so that the problem of non-uniform heat flux density of the seeker detection radar in the flight process of a hypersonic aircraft is effectively solved, and compared with conventional gas-liquid two-phase flow heat dissipation, the stability is more excellent; and while heat exchange is enhanced, metal consumables can be saved, and the consumption of coolants can be reduced.

The present invention relates to a heat dissipation module, a heat dissipation device including same, an RF filter for an antenna, an antenna device, and a lighting device. The heat dissipation module includes a heat conduction panel body having a refrigerant flow space which is a closed space in which a refrigerant is filled and circulates while undergoing phase-change between gas and liquid to emit heat. The refrigerant flow space includes: a first section which is an evaporation area for receiving heat from a heating element that is a heat dissipation target; and a second section which is a path through which a liquid refrigerant condensed from a gaseous state to a liquid state in the refrigerant flows to the first section by surface tension or gravity. The heating element is coupled to the outside of the heat conduction panel body corresponding to the first section in any one of a fitting method and a bonding method.

Liquid crystal antenna, splicing liquid crystal antenna, and method of forming liquid crystal antenna are provided. The liquid crystal antenna includes support structures, liquid crystals, a first substrate and a second substrate. The first substrate and the second substrate are arranged oppositely, the support structures are arranged between the first substrate and the second substrate, the first substrate includes first metal layers arranged on a side of the first substrate facing the second substrate, the second substrate includes a second metal layer arranged on a side of the second substrate facing the first substrate. The second metal layer includes functional part and spacers, the functional parts and the first metal layers are stacked along a first direction perpendicular to the second substrate, and the functional parts at least partially overlap the first metal layers. The support structures are arranged between the spacers and the first metal layers.