A radar level transmitter (1, 1a) includes a detection body (10, 10a), an antenna body (20, 20a) and a film sheet (30, 30a). The detection body (10, 10a) has a circuit board (12) being capable of emitting signals of detection and receiving reflected signals. One end of the antenna body (20, 20a) connects with the detection body (10, 10a). The film sheet (30, 30a) is combined with the antenna body (20, 20a) and covers another end of the antenna body (20, 20a); an airflow passes through the film sheet (30, 30a) for being capable of removing dusts adhered to the film sheet (30, 30a). Therefore, a radar level transmitter (1, 1a) with dust removing structures is achieved and a regular cleaning by personnel is not necessary.

Flexible, radio-frequency transitions and electronic systems that include the flexible, radio-frequency transitions are disclosed herein. The flexible, radio-frequency transitions are configured to electrically interconnect a first electronic component and a second electronic component to facilitate radio-frequency electrical communication therebetween and include a flexible dielectric membrane and a microstrip transmission line. The microstrip transmission line is formed on the flexible dielectric membrane and includes an electrically conductive signal trace and an electrically conductive ground plane for the electrically conductive signal trace. The transition is configured to electrically interconnect the first electronic component and the second electronic component, and to permit radio-frequency electrical communication therebetween, throughout a range of transition angles. The electronic systems utilize radio-frequency communication and include the first electronic component, the second electronic component, and the transitions.

System for positioning a reflector includes a base (112), yoke (104) and a reflector in the form of a lens mirror assembly (10). A motor (120) is mounted and remains substantially stationary with respect to rotation about a first axis while the yoke rotates about the first axis. A connecting rod (152) actuated for movement by the motor is mechanically coupled to the reflector so that movement of the connecting rod in relation to the yoke imparts rotation to the reflector about the second axis when the reflector is supported by the yoke. A mechanical drive system couples an output shaft of the motor to the connecting rod. The mechanical drive system is arranged so that it varies an angular position of the reflector at a rate which is linearly related to the rotation of the output shaft.

An antenna module, comprising: a first antenna device, which is an AiM (Antenna in Module) and comprises at least one first antenna; a first FPC (flexible printed circuit), coupled to an outer surface of the first antenna device via a conductive structure; and at least one second antenna device, coupled to the first FPC, comprising at least one second antenna. By this way, an antenna module which can change directions of antennas via simplified structures is provided. Further, an antenna system applying the antenna module is also provided.

A connector assembly for an antenna which includes an antenna cover. The connector assembly includes a connector mount with one or more connectors and a connector housing enclosing the connectors. The connector mount extends through an opening in the antenna cover with sufficient clearance to allow movement due to difference in thermal expansion between the antenna cover and the antenna structure. The assembly also includes a flexible seal structure attached to the connector mount and attachable to the antenna cover and dimensioned to enclose a portion of the connector mount extending outside the antenna cover to form a flexible weather resistant seal between the antenna cover and the connector mount while allowing movement of the connector mount relative to the antenna cover.

A communication device, method and computer program product enable satellite communication via a patch antenna incorporated into an extendable display device. A flexible display support structure moveably attached to and positionable on a base housing between retracted and extended positions. One of the flexible display support structure and the base housing has an antenna surface that is covered by the other one while the flexible display support structure is retracted and uncovered while extended. A flexible display is coupled across a front side of the base housing and the flexible display support structure to present a larger portion while extended and a smaller portion while retracted. A patch antenna is positioned on the antenna surface. The patch antenna includes a ground plane, a substrate comprising a low dielectric constant and low loss material and positioned on the ground plane, and a conductive radiator patch positioned on the substrate.

In one embodiment, a foldable radome sub-assembly for an antenna reflector dish has flexible material connected to a plurality of rigid rim segments. Connection elements (e.g., inserts) are configured to interconnect two adjacent rim segments, such that, with the connection elements applied, the radome sub-assembly is configured as a radome connectable to the antenna reflector dish, and, without the connection elements applied, the radome sub-assembly is foldable between adjacent rim segments. The foldable radome sub-assembly can be folded up for efficient storage and shipping, yet is easy to configure in the field into a rigid radome for attachment to an antenna reflector dish.

A radio frequency module includes submodules and a connection board that connects the submodule and the submodule. The submodule includes a module board and a first component arranged on the module board, the submodule includes a module board and a second component arranged on the module board, and the connection board is directly connected to the module boards and electrically connects the first component and the second component.

An antenna packaging structure includes a packaging container and an antenna contained in the packaging container. The antenna includes a flexible substrate, an antenna element disposed on the flexible substrate, a feeder structure connected to the antenna element, and a coaxial cable connected to the feeder structure. The flexible substrate of the antenna is rolled into a cylindrical structure, with the antenna element rolled together with the flexible substrate and retained electrical properties after unrolled, the feeder structure is disposed inside or to a side of the cylinder structure, and the coaxial cable is disposed inside the cylinder structure or between the cylinder structure and the packaging container. The present disclosure can effectively ensure safety and stability of the antenna during transportation and storage, reduce risk of damage due to external forces or environmental factors, provide compressed space occupied, and correspondingly improve efficiency of transportation and storage.

An antenna packaging structure includes a packaging container and an antenna contained within the packaging container. The antenna includes a flexible substrate, an antenna element disposed on the flexible substrate, a feeder structure connected to the antenna element, and a coaxial cable connected to the feeder structure. The flexible substrate inside the packaging container is in a folded state with a folding line thereof avoiding the feeder structure, and an elastic space with a teardrop-shaped cross-section is formed between the flexible substrate on both sides of the folding line in each folding. The antenna element is folded along with the flexible substrate and maintains electrical properties after being unfolded. The coaxial cable is disposed in the elastic space or between the flexible substrate and the packaging container.