A low earth orbit (LEO) satellite including a processor, a memory, and a communication sub-system. The communication sub-system including: an antenna array and a reconfigurable digital logic processing device. The processor dynamically reconfigures the reconfigurable digital logic processing device to amplify or attenuate transmissions received from one or more directions of interest, or to amplify or attenuate signals transmitted by the antenna array in one or more directions of interest according to the orbital schedule of the LEO satellite.

An antenna comprising: a longitudinal support member for supporting components of the antenna and a method of assembling such an antenna is disclosed. The components supported by the longitudinal member comprise: at least one signal feed probe configured to capacitively supply a signal to a corresponding at least one radiating patch; the at least one radiating patch mounted to at least partially wraparound the longitudinal support member; and signal supply circuitry for supplying a signal to the at least one signal feed. The signal supply circuitry is mounted on an outer surface of the inner longitudinal support member; and the longitudinal support member is formed of a conductive material and forms a ground plane for the antenna.

The patch antenna includes an electrically conductive patch carried by a dielectric substrate and having a planar shape and a feed point defined therein. A feed conductor is coupled to the feed point of the electrically conductive patch, and a plurality of electrically conductive wings extend upwardly from a periphery of the electrically conductive patch. A method aspect may include adjusting at least one property (e.g. frequency) of the antenna by angling at least one of the plurality of electrically conductive wings outwardly from the electrically conductive patch.

A rollable antenna mat for sports timing comprises one or more planar antenna structures connected to one or more transmission lines for conveying signals to and/or from the one or more planar antenna structures. Each of the one or more planar antenna structures comprises a conductive plate positioned above a conductive ground plane. A spacer element is positioned between the conductive ground plane and the conductive plate. The planar antenna structure is configured to generate a radiation field having a main axis that is substantially perpendicular to the conductive plate. The planar antenna structure and a transmission line is embedded in a flexible elongated sheet structure of one or more elastomeric materials, and comprises the embedded one or more planar antenna structures being suitable to be rolled up in a roll, the axis of the roll being substantially perpendicular to the longitudinal axis of the flexible elongated sheet structure.

A directional curved antenna, comprising: a feed network; a curved ground plane; at least two radiating elements connected to the feed network above the curved ground plane, wherein the at least two radiating elements are arranged and configured such that the directional curved antenna provides a directional radiation.

An antenna includes a housing of a resin, a first conductor group, and a power supply line. The housing includes first and second surfaces opposite in a first direction, third and fourth surfaces opposite in a second direction, and a housing portion surrounded by the first-fourth surfaces. The third surface connects the first and second surfaces. The first conductor group includes a first conductor, a second conductor, a second conductor group, and a third conductor. The first conductor is closer to the first surface than the second surface. The second conductor is closer to the second surface than the first surface. The second conductor group extends along the third surface and capacitively couples the first and second conductors. The third conductor extends along the fourth surface and electrically connects the first and second conductors. The power supply line is connected to any one portion of the second conductor group.

A composite member that includes plies of composite material and an integral antenna. The integral antenna includes one or more plies of conductive material. A pin is connected to and extends outward from one of the conductive plies. The pin extends through openings in one or more of the composite plies that are positioned between and/or around the one or more plies of conductive material.

A patch antenna includes a patch element and a ground conductor facing the patch element. The patch element is convex toward a side opposite to a side facing the ground conductor. Preferably, the patch element is convex while centering around at least one center line. Here, end portions on both sides of the patch element are positioned across the center line to face each other, and surfaces parallel to a direction toward the ground conductor from the respective end portions on the both sides at the shortest distance intersect or become a same surface.

A radio frequency communication device and its use for a transportation system. The radio frequency communication device includes a supporting member, through which the device is arranged to attach to a cylindrical structure; and a conductive planar portion arranged to removably secure on the supporting member, the conductive planar portion includes a conductive loop being electrically connected in between the conductive planar portion and the supporting member, arranged to generate a radio frequency radiation; wherein the supporting member includes multiple flat portions arranged to fit the radio frequency device onto the cylindrical structure.

An ultraviolet light radiation sensing device to be wearable by a human being is provided, the device including a front part and a rear part, an ultraviolet light radiation sensor with associated microprocessor on a printed circuit board, a battery, and a wireless communication unit, e.g. for Bluetooth communication. If the front and rear part are made from a metal or metal alloy, and are interconnected by a middle member made from electrically insulating polymer material, the front and rear parts constitute antenna elements of the wireless communication unit. The device is intended to enable interaction with application data of a smartphone, a method being provided to establish recommended UV-dose and related exposure time by the sun onto the skin of the human being.