Various embodiments are directed to systems, apparatus and methods providing an ultra-wide band (UWB) antenna configured to conform to a doubly curved surface and having an operating wavelength λ, the UWB antenna comprising: an array of electrically cooperating antennas emanating outward from a base region to respective locations of an outer surface region conforming to the doubly curved surface, the area of the outer surface region being divided in accordance with a mesh of unit cells defining thereby a plurality of edges, each of the unit cells having a unit cell minimum area selected in accordance with a desired array gain; wherein for each antenna the respective location of the outer surface region to which the antenna extends is associated with a respective one of the plurality of edges defined by the mesh of unit cells.

Various embodiments are directed to systems, apparatus and methods providing an ultra-wide band (UWB) antenna configured to conform to a doubly curved surface and having an operating wavelength λ, the UWB antenna comprising: an array of electrically cooperating antennas emanating outward from a base region to respective locations of an outer surface region conforming to the doubly curved surface, the area of the outer surface region being divided in accordance with a mesh of unit cells defining thereby a plurality of edges, each of the unit cells having a unit cell minimum area selected in accordance with a desired array gain; wherein for each antenna the respective location of the outer surface region to which the antenna extends is associated with a respective one of the plurality of edges defined by the mesh of unit cells.

A radio frequency identification (RFID) enabled mirror includes a mirror comprising a reflective layer. The reflective layer comprises at least one layer of a metallic material. At least one portion of the reflective layer is removed to form a booster antenna from a remaining portion of the reflective layer. A dielectric coating is applied to the mirror where the reflective layer was removed. The RFID-enabled mirror further includes an RFID chip coupled to the booster antenna.

An antenna includes a dielectric, and a patch electrode and a circuit substrate which are mounted on the dielectric, wherein the patch electrode has four feeding terminals, and wherein substrate-side feeding terminals which are electrically continuous respectively with the four feeding terminals in a one-to-one manner, a phase circuit which performs a phase shift for signals output from the substrate-side feeding terminals, a mixing circuit which mixes signals for which the phase shift is performed by the phase circuit, and an amplifier circuit which amplifies signals mixed by the mixing circuit are mounted on the circuit substrate.

An antenna includes a dielectric, and a patch electrode and a circuit substrate which are mounted on the dielectric, wherein the patch electrode has four feeding terminals, and wherein substrate-side feeding terminals which are electrically continuous respectively with the four feeding terminals in a one-to-one manner, a phase circuit which performs a phase shift for signals output from the substrate-side feeding terminals, a mixing circuit which mixes signals for which the phase shift is performed by the phase circuit, and an amplifier circuit which amplifies signals mixed by the mixing circuit are mounted on the circuit substrate.

An antenna structure includes a metal mechanism element, a ground element, a feeding radiation element, and a dielectric substrate. The metal mechanism element has a slot. The slot has a first closed end and a second closed end. The ground element is coupled to the metal mechanism element. The feeding radiation element has a feeding point. The feeding radiation element is coupled to the ground element. The dielectric substrate has a first surface and a second surface which are opposite to each other. The feeding radiation element is disposed on the first surface of the dielectric substrate. The second surface of the dielectric substrate is adjacent to the metal mechanism element. The slot of the metal mechanism element is excited to generate a first frequency band and a second frequency band. The feeding radiation element is excited to generate a third frequency band.

An antenna structure includes a metal mechanism element, a ground element, a feeding radiation element, and a dielectric substrate. The metal mechanism element has a slot. The slot has a first closed end and a second closed end. The ground element is coupled to the metal mechanism element. The feeding radiation element has a feeding point. The feeding radiation element is coupled to the ground element. The dielectric substrate has a first surface and a second surface which are opposite to each other. The feeding radiation element is disposed on the first surface of the dielectric substrate. The second surface of the dielectric substrate is adjacent to the metal mechanism element. The slot of the metal mechanism element is excited to generate a first frequency band and a second frequency band. The feeding radiation element is excited to generate a third frequency band.

According to an embodiment, an electronic apparatus includes a substrate, a semiconductor device, a non-conductive portion, first and second metal films, and a rechargeable battery. The semiconductor device is mounted on a first surface of the substrate and includes a wireless circuit. The non-conductive portion is formed on the first surface to seal the semiconductor device. The first metal film is provided along a surface of the non-conductive portion and at least one edge surface of the substrate to contact at the edge surface with a first-wire disposed on the substrate. The second metal film is provided along the surface of the non-conductive portion and the edge surface and separately from the first metal film to contact at the edge surface with a second-wire disposed on the substrate. The rechargeable battery includes first and second electrodes electrically connected to the first-wire and to the second-wire, respectively.

Radiating elements include a conductive patch having first and second slots that each extend along a first axis and third and fourth slots that each extend along a second axis that is perpendicular to the first axis, a feed network that includes first through fourth feed lines, each feed line crossing a respective one of the first through fourth slots, and a conductive ring that at least partially surrounds the periphery of the conductive patch and that encloses each of the first through fourth slots.

Radiating elements include a conductive patch having first and second slots that each extend along a first axis and third and fourth slots that each extend along a second axis that is perpendicular to the first axis, a feed network that includes first through fourth feed lines, each feed line crossing a respective one of the first through fourth slots, and a conductive ring that at least partially surrounds the periphery of the conductive patch and that encloses each of the first through fourth slots.