Abstract: An antenna unit to be used by being installed so as to face window glass for a building includes a radiating element, a phase control member situated on an exterior-side with reference to the radiating element and configured to control a phase of an electromagnetic wave radiated from the radiating element, and a conductor situated on an interior-side with reference to the radiating element, wherein the phase control member is a member including a dielectric and a plurality of conductor portions.

Abstract: An antenna unit for glass according to the present invention is installed on the indoor side of a glass sheet, and transmits and receives electromagnetic waves at the indoor side through the glass sheet.

Abstract: An antenna unit to be used by being installed so as to face window glass of a building, the antenna unit including a radiating element, a reflective member configured to reflect electromagnetic waves radiated from the radiating element toward outside of the building, and a support unit configured to removably support the reflective member. An antenna unit attachment method includes installing an antenna unit so as to face window glass for a building, the antenna unit having a radiating element and a support unit, and supporting a reflective member that reflects electromagnetic waves radiated from the radiating element by the support unit on an outdoor side relative to the radiating element.

Abstract: An antenna unit for glass according to the present invention is installed on the indoor side of a glass sheet, and transmits and receives electromagnetic waves at the indoor side through the glass sheet.

Abstract: An antenna includes a ground plane, a first resonator connected to a feeding point for which the ground plane serves as a reference, a second resonator configured to receive power from the first resonator through electromagnetic coupling or magnetic coupling in a contactless manner, at least one director located away from the first resonator and the second resonator, and wherein the ground plane located at a side opposite to the director with respect to the second resonator is used as a reflector, or the antenna further comprises a reflector located at the side opposite to the director with respect to the second resonator.

Abstract: The present invention relates to a laminated body with electric conductor including a substrate; a functional layer having at least an adhesive layer; an electric conductor; and a protective material, wherein the substrate, the functional layer having at least the adhesive layer, the electric conductor, and the protective material are sequentially laminated in a thickness direction, and wherein a thickness of the functional layer is less than or equal to 0.300 mm.

Abstract: An antenna includes a ground plane; a first resonator connected to a feeding point with reference to the ground plane; and a second resonator that is fed power by the first resonator according to an electromagnetic field coupling with no contact. The second resonator includes a first conductor part, and a second conductor part capacitively-coupled to the first conductor part through a gap. A dielectric loss tangent of a substrate part, on which the second resonator is formed, is greater than zero and less than or equal to 0.01.

Abstract: An antenna unit used by being attached to window glass for a building includes a radiating element, a wave directing member arranged on an outdoor side with respect to the radiating element, and a conductor arranged on an indoor side with respect to the radiating element, wherein where a distance between the radiating element and the wave directing member is denoted as a, and where a relative permittivity of a medium constituted by a dielectric member between the radiating element and the wave directing member is denoted as ?r, the distance a is (2.11×?r?1.82) mm or more.

Abstract: An antenna unit for glass according to the present invention is installed on the indoor side of a glass sheet, and transmits and receives electromagnetic waves at the indoor side through the glass sheet.

Abstract: An antenna includes a ground plane, a first resonator connected to a feeding point for which the ground plane serves as a reference, a second resonator configured to receive power from the first resonator through electromagnetic coupling or magnetic coupling in a contactless manner, at least one director located away from the first resonator and the second resonator, and wherein the ground plane located at a side opposite to the director with respect to the second resonator is used as a reflector, or the antenna further comprises a reflector located at the side opposite to the director with respect to the second resonator.

Abstract: To provide a glass plate for a window material and a window comprising the glass plate, which are less likely to be a barrier to radio transmitting/receiving in use of a radio-utilizing apparatus, and a radio communication apparatus comprising the glass plate. A glass plate having a radio transmittance of at least 20% at a frequency of 100 GHz as calculated as 18 mm thickness, a window comprising the glass plate, and a radio communication apparatus comprising the glass plate.

Abstract: An antenna directivity control system includes an antenna including a plurality of antenna elements, feeding points for the plurality of antenna elements being mutually different; and a controller for controlling weight for each of the plurality of antenna elements, wherein each of the plurality of antenna elements includes a feed element connected to the feed point, and a radiating element that functions, upon power being fed by establishing electromagnetic field coupling with the feed element, as a radiating conductor, and wherein the controller controls a directivity of the antenna by adjusting an amplitude of a signal at each of the feeding points.

Abstract: A MIMO antenna is provided that includes a ground plane, and a plurality of dipole antenna elements that are arranged in the vicinity of the ground plane. Each of the plurality of dipole antenna elements includes a radiating element including a conductor portion extending along an outer edge portion of the ground plane, and a feeding portion that feeds the radiating element.

Abstract: An antenna device includes a feeding element connected to a feed point, and a radiating element disposed at a distance from the feeding element. The feeding element is coupled with the radiating element by electromagnetic field coupling to feed the radiating element so that the radiating element functions as a radiating conductor.

Abstract: An antenna device includes a ground plane; a first resonator extending in a direction at a distance from the ground plane and connected to a feeding point; and a second resonator arranged at a distance from the first resonator. The ground plane includes an edge portion formed along the second resonator, with a resonance current being formed on the first resonator and the ground plane. The second resonator is configured to function as a radiation conductor by resonance of the first resonator. A tip portion of the first resonator is located near a metallic part. The second resonator has a plurality of electrical lengths of differing resonance frequencies.

Abstract: A multi-antenna includes a ground plane; a first feeding point; a second feeding point that is different from the first feeding point; a first feed element that is connected to the first feeding point; a second feed element that is connected to the second feeding point, a cancellation electric current being generated in the second feed element; and a radiating element that functions as a radiation conductor when power is supplied by establishing electromagnetic field coupling with the first feed element and the second feed element.

Abstract: An antenna includes a ground plane; a first resonator connected to a feeding point with reference to the ground plane; and a second resonator that is fed power by the first resonator according to an electromagnetic field coupling with no contact. The second resonator includes a first conductor part, and a second conductor part capacitively-coupled to the first conductor part through a gap. A dielectric loss tangent of a substrate part, on which the second resonator is formed, is greater than zero and less than or equal to 0.01.

Abstract: An antenna structure includes a radiating element; a power feeding element configured to feed power to the radiating element in a noncontact manner; a backlight chassis, on which a light source for generating light is attached, a liquid crystal panel being irradiated with the light; and a transmission line conductably connected to the backlight chassis, the power feeding element being connected to an end of the transmission line.

Abstract: An antenna includes a feeding element connected to a feeding point, a first radiating element that is spaced apart from the feeding element and is coupled to the feeding element through electromagnetic field coupling, a second radiating element that is spaced apart from the feeding element and is coupled to the feeding element through electromagnetic field coupling, a first control element that is connected to the feeding element via a first impedance variable unit, and a second control element that is connected to the feeding element via a second impedance variable unit, and a control unit that controls the first impedance variable unit to adjust the connection between the feeding element and the first control element and controls the second impedance variable unit to adjust the connection between the feeding element and the second control element.

Abstract: A multiband antenna includes a feeding element connected to a feeding point, a radiating element functioning as a radiating conductor, the radiating element being positioned apart from the feeding element and fed with electric power by electromagnetically coupling to the feeding element, a ground plane, and a non-feeding element being positioned close to the radiating element and connected to the ground plane via a reactance element. The reactance element has a reactance that causes the multiband antenna to match with a frequency other than a resonance frequency of a resonance mode of the radiating element.