A laminated glazing assembly includes an outer glass substrate, an inner glass substrate, and a polymeric interlayer disposed therebetween. The laminated glazing assembly also includes an antenna assembly disposed between the polymeric interlayer and one of the outer glass substrate and the inner glass substrate. The antenna assembly includes a film layer that carries a radiating element. The film layer may be a transparent film layer having a refractive index of from 1.45 to 1.55. The radiating element includes conductive wires disposed on the film layer and configured to be energized to transmit and/or receive radio frequency signals. The laminated glazing assembly may also include an adhesive layer disposed between the film layer and one of the outer glass substrate and the inner glass substrate, and a feeding element coupled to the inner glass substrate and capacitively coupled to the antenna assembly to energize the antenna assembly to transmit and/or receive radio frequency signals.

A window glass for a vehicle includes a glass plate; a dielectric having a first surface on a side facing the glass plate, and a second surface; a first electrode arranged between the glass plate and the first surface; a second electrode arranged on the second surface side such that the dielectric is interposed between the first and second electrodes; and an antenna element arranged between the glass plate and the first surface, and connected to the first electrode, the antenna element receiving at least an electromagnetic wave in a frequency band of AM broadcasting, and a coupling capacitance between the first and second electrodes satisfying a condition determined by an antenna capacitance of the antenna element, an input capacitance of an amplifier connected to the second electrode, a voltage value output from the second electrode, and a reception voltage value of the antenna element.

An electromagnetic coupler that couples antenna signals for a wideband antenna positioned between glass layers of an automotive windshield. The coupler includes a first co-planar waveguide (CPW) formed on one side of a glass layer and a second CPW formed on the other side of the glass layer, where the first and second CPWs are a mirror, or near-mirror, and 180 rotated images of each other. Both the first and second CPWs include a conductive plane where removed portions of the plane define a wide CPW section and a narrow CPW section that are electrically coupled to each other, and where the remaining portions of the conductive plane are ground planes, and where the electromagnetic signals are coupled through the glass layer between the wide CPW sections.

A system for vehicle communications is provided. The system may include a processor, a first wireless coupler, and a housing. The processor generates and receives communication messages external to the vehicle. The first wireless coupler being in communication with the processor to transmit the communication messages through a windshield. The housing surrounding and enclosing the processor and the first wireless coupler. The first wireless coupler being aligned with and communicating through the windshield with a second wireless coupler to transmit the communication messages through an integrated or externally connected antenna.

An RF antenna system includes a first unit that further includes first attachment means that secures the first unit to a window, and an antenna. The first unit additionally includes an RF transceiver, coupled to the antenna, that receives, via the antenna, incoming RF signals and converts the RF signals to first electrical signals; and first optical means that transmits the first electrical signals as first optical signals through the first surface of the window. The RF antenna system also includes a second unit that includes second attachment means that secures the second unit to the window. The second unit also includes second optical means that receive the first optical signals through the second surface of the window, convert the first optical signals to first digital signals, and transmit the first digital signals to a device connected to the second unit.

An antenna device based on a transparent substrate and a method of configuring an antenna device are provided. The antenna device includes a transparent substrate, a first dielectric layer, and an antenna. The transparent substrate includes a first surface and a second surface opposite to the first surface. The first dielectric layer includes a third surface and a fourth surface opposite to the third surface, wherein the first dielectric layer is in contact with the first surface via the third surface to be disposed on the transparent substrate, wherein a permittivity of the first dielectric layer is less than a permittivity of the transparent substrate. The antenna includes a radiation part, wherein the radiation part is disposed on one of the second surface and the fourth surface.

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.

An antenna device includes; a metal housing in which at least one surface thereof is open; a display unit provided inside the metal housing and configured to perform a display from the one surface of the metal housing toward outside; a first transparent conductor plate present in the display unit; a second transparent conductor plate provided to be spaced apart from the first transparent conductor plate in an outside or inside direction, the second transparent conductor plate to define a gap between the second transparent conductor plate and the metal housing; and a feed unit provided between the metal housing and the second transparent conductor plate.

There is provided a simple configuration capable of feeding power to a conductor present between a pair of dielectric plates.

A feeding structure including a first dielectric plate; a second dielectric plate that faces the first dielectric plate; an interlayer that is disposed between the first dielectric plate and the second dielectric plate; a conductor that is disposed between the first dielectric plate and the second dielectric plate; a feeding portion that is disposed on a side opposite of the interlayer from the first dielectric plate and that sandwiches at least one of a portion of the interlayer and a portion of the second dielectric plate between the conductor and the feeding portion; and a first transmission line that is connected to the feeding portion, wherein the feeding portion electromagnetically couples to the conductor with a gap smaller than a thickness of the first dielectric plate.

A vehicle antenna system including a mobile phone antenna provided in a front header of a vehicle, a dedicated short range communication antenna provided in a windshield of the vehicle, and a global positioning system antenna provided in the inside of a front instrument panel of the vehicle. For example, the front header includes a front surface to which the windshield of the vehicle is attached, and a rear surface opposite to the front surface, and the mobile phone antenna is arranged on the rear surface side.