Provided is an electric device including a display panel, and a first antenna disposed on the display panel and including a first patch part, a first transmission part, and a first additional transmission part, wherein the first transmission part faces a first side of the first patch part extending along a first cross direction, is spaced apart from the first patch part, and is capacitively coupled to the first patch part, and wherein the first additional transmission part faces a second side of the patch part extending in a second cross direction crossing the first cross direction, is symmetrical about a line of symmetry with the first transmission part, and is spaced apart from the first patch part.

The present invention relates to a window glass for vehicle, which includes a glass plate and an antenna provided to the glass plate and capable of receiving electromagnetic waves of AM broadcasting and FM broadcasting, in which the antenna includes an antenna element and a feeding portion electrically connected to the antenna element, the antenna element lies at a distance of longer than 20 mm from a metallic portion of the vehicle in a vehicle-mounted state, the antenna element includes at least one horizontal portion extending in an approximately horizontal direction in the vehicle-mounted state, the horizontal portion has an open end or has a bent portion bending apart therefrom which has an open end, and the horizontal portion has a total element length that is at least 3/4 of an overall length of the antenna element.

According to various aspects, exemplary embodiments are provided of antenna assemblies. In an exemplary embodiment, an antenna assembly generally includes at least one antenna element configured to be operable for receiving high definition television signals.

Radio frequency signal boosters for high frequency cellular communications are provided herein. In certain embodiments, a signal booster system for providing high frequency wireless signal reception of a 5G network inside a building is provided. The signal booster system includes one or more auxiliary signal boosters for extending coverage within rooms of the building. For example, an auxiliary signal booster can include a donor unit located in a first room and having a base station antenna and booster circuitry integrated therewith. The auxiliary signal booster further includes a server unit located in a second room and having a having a mobile station antenna integrated therewith. The donor unit and the server unit are connected by a short cable.

An improved a glazing unit extending along a plane, P, defined by a longitudinal axis, X, and a vertical axis, Z; having a width, DW, measured along the longitudinal axis, X, and a length, DL, measured along the vertical axis, Z, including, at least a first outer glass panel having a S11 surface and a S12 surface and a second inner glass panel having a S21 surface and a S22 surface combined together while maintaining the two glass panels at a certain distance between the surface S12 of the first outer glass panel and the surface S21 of the second inner glass sheet. The glazing unit further includes a housing able to accommodate a 4G and/or 5G communication device and has an opening arranged on the second inner glass panel, the housing having been placed in the opening.

A vehicle antenna system having high transmission and reception efficiency is provided. A vehicle antenna system includes an antenna that is attached to a vehicle and is capable of transmitting and receiving radio waves of a predetermined frequency band. The antenna is attached to the vehicle in such a way that an elevation angle of the antenna with respect to a horizontal plane becomes large in a predetermined angle range in accordance with the height of a communication frequency band.

An antenna package according to an embodiment includes a plurality of antenna units including first antenna units and second antenna units, a circuit board electrically connected to the antenna units. The circuit board includes a core layer including a first surface and a second surface facing each other, a first circuit wiring disposed on the first surface of the core layer and electrically connected to the first antenna units, and a second circuit wiring distributed on the first and second surfaces of the core layer and electrically connected to the second antenna units. Antenna units of different resonance frequencies can be efficiently included in the package using the circuit wiring design.

Provided is a glass antenna having an improved circularly polarized wave reception bandwidth in a frequency range from 1 to 2 GHz. The glass antenna has a core-side feeding part, a ground-side feeding part arranged adjacent to the core-side feeding part, a first element extending from the ground-side feeding part, and a parasitic element including a first wire, a second wire arranged parallel or substantially parallel to the first wire and a third wire connecting the first and second wires. The parasitic element is disposed to surround the core-side and ground-side feeding parts between an edge of a metal body part adjacent to the core-side and ground-side feeding parts and the third wire. A blank portion is provided between the parasitic element and the first element such that the parasitic element and the first element allow resonance with a radio wave in any arbitrary frequency band within the frequency range.

An antenna system for vehicles includes a first antenna attached in a vicinity of a windshield of a vehicle; and a second antenna attached in a vicinity of a rear glass of the vehicle, wherein the first antenna and the second antenna are configured to transmit and receive an electromagnetic wave in a predetermined frequency band F, and wherein defining a region A and a region B with respect to a vehicle center axis extending in a traveling direction of the vehicle, so as to bisect a vehicle width of the vehicle from a viewpoint in a direction normal to a horizontal plane, the first antenna is arranged in the region A, and the second antenna is arranged in the region B.

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.