A deployable antenna array is provided having at least one boresight axis, and including a first plurality of first antenna array elements and a second plurality of second antenna array elements separate from the first plurality of first antenna array elements, the antenna array being configured for being selectively deployable at least from a stowed configuration to a deployed configuration. A radar system including an antenna array, a telecommunication system including an antenna array, and a method for deploying an antenna array are also provided.

A separated communications device includes a body and a movable connector; the body includes an antenna and a first conductive strip, and the antenna is electrically connected to the first conductive strip; the movable connector includes a second conductive strip; when the movable connector is connected to the body, a part, covered by the movable connector due to the connection, on a surface of the body is a connection position of the body; and the antenna is disposed on the body near the connection position. When the body is connected to the movable connector, the second conductive strip is connected to the first conductive strip, so that the first conductive strip serves as a part of the antenna, and the second conductive strip serves as an extended part of the antenna.

A roof antenna including an antenna base with a base plate, a spindle, a driver arranged on the spindle, and a locking element having a first limb and a second limb. The first limb has a first latching hook and the second limb has a second latching hook. The first limb and the second limb extend through an aperture in the base plate. A translatory movement of the driver on the spindle is transferred into a displacement of the locking element in a displacement direction perpendicular to the base plate.

A coupling assembly for a first device having a bayonet is provided. The coupling assembly includes a top plate, a bottom plate, and first fasteners securing the top and bottom plates to one another. The top plate having a slot along a connection axis, where the slot receives the bayonet. The bottom plate has a locking arm in axial alignment with the slot and a biasing arm in a region that is radially offset from the locking arm. The region of the bottom plate receives the bayonet, when in a locked position, with the locking arm preventing the bayonet, by interference with locking arm, from rotating about the connection axis back into alignment with the slot and with the biasing arm preventing the bayonet, by interference with biasing arm, from being withdrawn axially along the connection axis.

A clamping apparatus for an antenna includes: an arm unit coupled to a support pole and extending in one horizontal direction from the support pole by a predetermined distance; a common coupling unit detachably mounted to a front end of the arm unit by insertion and detachment operations of a coupling shaft elongated vertically, the common coupling unit being selectively rotatable from side to side about the coupling shaft; a rotation unit having a front end detachably mounted to a front end of the coupling unit by insertion and detachment operations of a rotary shaft elongated vertically, the rotation unit being rotatable from side to side by a predetermined angle about the rotary shaft; and a tilting unit coupled to the front end of the rotation unit to be tiltable vertically, an antenna device being coupled to the tilting unit.

An antenna-structure combination method includes following steps. Provide a circuit board. At least one joint hole penetrating the circuit board is formed in the circuit board. At least one electrode layer and one feeding line are formed on a periphery of the joint hole. The feeding line is electrically connected to the electrode layer. Provide a chip antenna. The chip antenna includes a base. The base has a wiring section. A fixed connection section is arranged at one end of the wiring section. The fixed connection section is formed with a conductive layer. The fixed connection section of the chip antenna penetrates the joint hole of the circuit board, so that the conductive layer is electrically fixed to the electrode layer, so that the chip antenna is fixedly connected onto the circuit board in an upright manner.

A modular communications system having dynamically positionable non-metallic antenna elements is disclosed. The system includes an apparel item with a surface and a foam layer positioned therein. Landing pads are each uniquely positioned on the surface. Antenna elements are coupled to the landing pads; include a non-metallic conductive composition and a unique operational frequency. A hub is positioned on the surface and coupled to each landing pad. Communications devices are demountably affixed to the surface; coupled to the hub; and each include a unique operational frequency. The hub couples each communications devices to a unique landing pad. The foam layer is lined with a conductive material that reflects RF radiation that emanates from the plurality of non-metallic antenna elements. The system achieves an omnidirectional RF radiation pattern when utilizing the plurality of antenna elements and an altered RF radiation pattern when utilizing a subset of the plurality of antenna elements.

A fin-type planar antenna and a deployable dipole antenna are combined into a probabilistic system as a co-located orthogonal diversity fin antenna to reduce or eliminate cross polarization fades and cancellation dropouts common to wireless audio systems used in theaters, churches and convention centers over coaxial wired connections. Additionally, an optical line may connect the diversity fin antenna to a further circuit. The antenna system features broad bandwidth, resistance to deep nulls or fades caused by cross polarization, resistance to destructive interference, and an air space dielectric covering provides resistance to detuning in the presence of rain, or touching objects.

A modular communications system having dynamically positionable non-metallic antenna elements and communications devices is disclosed. The system includes an apparel item with a surface and a foam layer positioned therein. Landing pads are each uniquely positioned on the surface. The antenna elements are demountably, intermittingly, and conductively coupled to the landing pads; includes a non-metallic conductive composition; and a unique operational frequency. A hub is positioned on the surface and conductively coupled to each landing pad. Each communications device is demountably affixed to the surface; intermittingly, demountably, and conductively coupled to the hub; and includes a unique operational frequency. The hub intermittingly, demountably, and conductively couples each communications devices to a unique landing pad included in the plurality of landing pads. The foam layer is lined with a conductive material that reflects RF radiation that emanates from the plurality of non-metallic antenna elements.

A novel, interlocking, snap-fit connection between an antenna aperture and a ground plane layer that contains coaxial connectors is described herein. The snap-fit design provides a simple and solderless transition from the connectors to elements of the antenna aperture. This design facilitates easy assembly and disassembly, allowing parts to be removed, reinstalled and/or reused.