Provided is an electronic device in which, if an antenna element is formed on the surface of a housing, restrictions on the formation of the antenna element are less likely to arise. The following are provided: a rear case, an antenna element, and a power supply unit that supplies power to the antenna element. The antenna unit comprises a first section that is formed by applying a conductive material onto a first main surface of the rear case, and a second section. A dielectric or an insulator is interposed between the first section and the second section.

Disclosed is an ultra-wide band antenna. An antenna according to the present invention comprises: a radiating body for emitting electromagnetic waves passing through the antenna; a feeder unit for supplying electric signals to the radiating body; and an impedance feeder unit, having a rectangular shape, connecting the radiating body and the feeder unit, and the antenna additionally comprises a slotted part in the interior of the radiating body to increase the effectiveness of the antenna. Additionally, the diameter of the radiating body is 2.0˜3.0 times the length, in the horizontal-direction, of the impedance feeder unit, and the length, in the vertical-direction, of the impedance feeder unit is 1.0˜1.3 times the length thereof in the horizontal direction, and as such, the present invention can be applied to a device utilizing multiple-input and multiple-output and high-speed data, the device having secured an ultra-wide band by means of a single antenna.

Embodiments of the present invention disclose a portable terminal and a slot antenna thereof, and relate to the field of mobile communications technologies, which can effectively reduce a space occupied by the antenna and at the same time meet various bandwidth requirements. The slot antenna of the portable terminal includes: a large-area conductor plane laid on a printed circuit board, a battery with a bulk conductor, and a first feeding part, where a slot is formed between the conductor plane and the battery, the conductor plane is radio-frequency coupled to the bulk conductor in the battery through the slot, and the first feeding part is located in the slot. The present invention is applied in designing the antenna of the portable terminal.

Embodiments of the present invention disclose a portable terminal and a slot antenna thereof, and relate to the field of mobile communications technologies, which can effectively reduce a space occupied by the antenna and at the same time meet various bandwidth requirements. The slot antenna of the portable terminal includes: a large-area conductor plane laid on a printed circuit board, a battery with a bulk conductor, and a first feeding part, where a slot is formed between the conductor plane and the battery, the conductor plane is radio-frequency coupled to the bulk conductor in the battery through the slot, and the first feeding part is located in the slot. The present invention is applied in designing the antenna of the portable terminal.

A mobile device includes a ground plane, a grounding branch, a connection element, a first radiation branch, and a second radiation branch. The grounding branch is coupled to the ground plane. A first open slot is formed and substantially surrounded by the grounding branch and the ground plane. The first radiation branch is coupled through the connection element to the grounding branch. A second open slot is formed and is substantially surrounded by the first radiation branch and the grounding branch. The second radiation branch is disposed in the second open slot and is coupled to the grounding branch. A multi-band antenna structure is formed by the grounding branch, the connection element, the first radiation branch, and the second radiation branch.

A mobile device includes a ground plane, a grounding branch, a connection element, a first radiation branch, and a second radiation branch. The grounding branch is coupled to the ground plane. A first open slot is formed and substantially surrounded by the grounding branch and the ground plane. The first radiation branch is coupled through the connection element to the grounding branch. A second open slot is formed and is substantially surrounded by the first radiation branch and the grounding branch. The second radiation branch is disposed in the second open slot and is coupled to the grounding branch. A multi-band antenna structure is formed by the grounding branch, the connection element, the first radiation branch, and the second radiation branch.

The present invention relates to a compact slot antenna formed, in a multilayer substrate comprising, in order, at least one first conductive layer, a first dielectric layer, a second conductive layer, a second dielectric layer and a third conductive layer, of a first slot-line realized in the second conductive layer, said first slot-line being connected to the supply of the antenna, of a second and a third slot-lines realized respectively in the first and in the third conductive layers, the second and third slot-lines each being delimited by two conductive strips of which a first extremity, supply side, is interconnected by a via passing through a window realized in the second conductive layer and a second extremity connected to the second conductive layer, both conductive strips on the side of the second extremity being, either in open circuit, or in short circuit, the electrical length of the first, second and third slot-lines being a function of the wavelength at the operating frequency of the antenna.

A transaction card having an opening in a metal card body, a booster antenna in the opening, and a molding material about the booster antenna. A process for manufacturing the transaction card includes forming an opening in a card body, inserting a booster antenna into the opening, and molding a molding material about the booster antenna.

A transaction card having an opening in a metal card body, a booster antenna in the opening, and a molding material about the booster antenna. A process for manufacturing the transaction card includes forming an opening in a card body, inserting a booster antenna into the opening, and molding a molding material about the booster antenna.

A hybrid electronic/mechanical scanning array antenna including an outer housing and a cold plate rotatable therein. A waveguide aperture including an array of antenna elements is mounted to a top surface of the cold plate and a multi-layer circuit board is mounted to a bottom surface of the cold plate. A plurality of amplifier modules are mounted to the cold plate, where the circuit board includes a plurality of openings that allow the amplifier modules to be directly mounted to the cold plate, and the cold plate includes a plurality of RF signal channels that allow RF signals from the amplifier modules to travel through the cold plate. The amplifier modules are controlled to provide phase-weighting for electronic signal scanning in an elevation direction and rotation of the cold plate allows signal scanning in an azimuth direction.