Nokia Corporation

Nokia Technologies Oy

Richard Breiter

Alexandre Pinto

Jens Troelsen

Bjarne K Nielsen

Erik L Bengtsson

Sinasi Ozden

An apparatus comprising: a cover portion defining an exterior surface of the apparatus and including a conductive cover part; a first conductive loop connected to the conductive cover part; and a first coupling member, connectable to radio circuitry and configured to electromagnetically couple with at least one of the first conductive loop and the conductive cover part, wherein at least the conductive cover part and the first conductive loop have a first electrical length and are configured to operate in a first frequency band.

Antenna apparatus and methods

An apparatus including: a first antenna operable in a first resonant frequency band; a second antenna operable in a second resonant frequency band; a first filter coupled to the second antenna; and a first phase shifter configured to provide the combination of at least the first filter and the second antenna with an impedance at the first resonant frequency band which substantially suppresses coupling between the first antenna and the second antenna.

Apparatus, method and computer program for wireless communication

An apparatus including a cover defining an exterior surface of the apparatus and including a first conductive cover portion; an antenna, connected to a feed point and configured to operate in at least a first resonant frequency band; a first conductive member; a second conductive member; and wherein the first and second conductive members are configured to couple with the first conductive cover portion, the combination of the first and second conductive members and the first conductive cover portion are operable in a second resonant frequency band, different to the first resonant frequency band and are configured to be contactlessly fed by the antenna.

Apparatus, methods and computer programs for wireless communication

An antenna arrangement including an antenna; a first variable impedance circuit connected between ground and a first point of the antenna; and a second variable impedance circuit connected between ground and a second point of the antenna and a connection from a third point of the antenna to ground wherein; the first point of the antenna and the second point of the antenna are separated along the length of the antenna and the impedance of the first variable impedance circuit and the second variable impedance circuit control the resonant frequency of the antenna arrangement.

Tunable antenna arrangement

An antenna arrangement including a first element operable in a first resonant mode at a first resonant frequency band; and a second element arranged to couple with the first element to enable the first element to resonate in a second resonant mode having a second resonant frequency band, the second element having an impedance at the first resonant frequency band which substantially suppresses coupling between the first element and the second element.

Antenna arrangement

An antenna arrangement comprises a first antenna element; a second antenna element; a coupling element for electromagnetically coupling to the first antenna element and the second antenna element; and a switching mechanism, connected to the coupling element, for switching between a first electrical configuration and a second electrical configuration. When the switching mechanism is in the first electrical configuration, the coupling element has a first impedance and when the switching mechanism is in the second electrical configuration, the coupling element has a second impedance.

An apparatus including a first conductive cover portion defining an interior surface and an exterior surface of the apparatus; an antenna element, connected to a feed point and arranged to operate in at least a first resonant frequency band; a conductive element, positioned between the interior surface of the first conductive cover portion and the antenna element, and arranged to couple with the first conductive cover portion, wherein the combination of the conductive element and the first conductive cover portion are operable in a second resonant frequency band, different to the first resonant frequency band and are arranged to be contactlessly fed by the antenna element.

Apparatus and method

A single pole N throw (SPNT) switch arrangement including: a pole, one or more throw nodes and a switch mechanism arranged to connect the pole and a first throw node in response to a first signal and to disconnect the pole and the first throw node in response to a second signal; an interconnect, for providing the first signal, arranged for connection to the pole when providing the first signal; and a dc power source arranged to control a dc bias applied to the interconnect to provide the first signal

Growing community of inventors

Frederiksberg C, Denmark

Richard Breiter