Abstract: An antenna arrangement including a ground plane having an electrical length; an antenna element positioned for coupling with the ground plane; a first conductive element; an interconnecting mechanism, connected to the ground plane and to the first conductive element, having a first configuration and a second configuration, wherein the ground plane has a first electrical length when the interconnecting mechanism is in the first configuration and a second electrical length, different to the first electrical length, when the interconnecting mechanism is in the second configuration.

Abstract: An apparatus including a radiator having an electrical length; a first conductive element; an interconnector, connected to the radiator and to the first conductive element, having a first configuration and a second configuration, wherein the radiator has a first electrical length when the interconnector is in the first configuration and a second electrical length, different to the first electrical length, when the interconnector is in the second configuration.

Abstract: A radio antenna assembly for use in a communication device has an antenna element disposed adjacent to a ground plane to form a physical relationship with the ground plane. A mechanical device is used to change the physical relationship for changing the operating impedance of the antenna element or shifting the frequency band of the antenna assembly. The physical relationship can be changed by mechanically changing the shape of the antenna element. When the antenna element comprises a first radiating element and a second radiating element disposed at a lateral distance from the first radiating element, the physical relationship can be changed by changing the distance. When a physical object is disposed between the antenna element and the ground plane, the physical relationship can be changed by moving or twisting the physical object. The object can be electrically conducting, dielectric or magnetic.

Abstract: An apparatus including a radiator having an electrical length; a first conductive element; an interconnector, connected to the radiator and to the first conductive element, having a first configuration and a second configuration, wherein the radiator has a first electrical length when the interconnector is in the first configuration and a second electrical length, different to the first electrical length, when the interconnector is in the second configuration.

Abstract: A radio antenna assembly for use in a communication device has an antenna element disposed adjacent to a ground plane to form a physical relationship with the ground plane. A mechanical device is used to change the physical relationship for changing the operating impedance of the antenna element or shifting the frequency band of the antenna assembly. The physical relationship can be changed by mechanically changing the shape of the antenna element. When the antenna element comprises a first radiating element and a second radiating element disposed at a lateral distance from the first radiating element, the physical relationship can be changed by changing the distance. When a physical object is disposed between the antenna element and the ground plane, the physical relationship can be changed by moving or twisting the physical object. The object can be electrically conducting, dielectric or magnetic.

Abstract: An antenna arrangement including a ground plane having an electrical length; an antenna element positioned for coupling with the ground plane; a first conductive element; an interconnecting mechanism, connected to the ground plane and to the first conductive element, having a first configuration and a second configuration, wherein the ground plane has a first electrical length when the interconnecting mechanism is in the first configuration and a second electrical length, different to the first electrical length, when the interconnecting mechanism is in the second configuration.

Abstract: A radio antenna assembly for use in a communication device has an antenna element disposed adjacent to a ground plane to form a physical relationship with the ground plane. A mechanical device is used to change the physical relationship for changing the operating impedance of the antenna element or shifting the frequency band of the antenna assembly. The physical relationship can be changed by mechanically changing the shape of the antenna element. When the antenna element comprises a first radiating element and a second radiating element disposed at a lateral distance from the first radiating element, the physical relationship can be changed by changing the distance. When a physical object is disposed between the antenna element and the ground plane, the physical relationship can be changed by moving or twisting the physical object. The object can be electrically conducting, dielectric or magnetic.

Abstract: The invention relates to a radio antenna and, more specifically, to an internal multiband antenna for use e.g. in a portable telecommunication device, such as a mobile phone. In particularly the invention relates to an antenna module for a mobile terminal including a non-resonant antenna element, two resonant antenna elements each covering at least any one of a first, second, third or fourth frequency band, said two resonant elements are substantially in the same plane and define a planar surface wherein the two resonant elements are each positioned at a corner of the planar surface and the non-resonant element is positioned along an edge of the planar surface.

Abstract: The present invention employs slot antennas to make UWB antenna and a quarter-wavelength slot UWB antenna for use in mobile terminals. The slot length, which is related to the lower resonant frequency, is about half (for the half-wavelength slot antenna) or quarter (for the quarter-wavelength slot antenna) of the wavelength, while the higher resonant frequency is related to a dimension of the tuning stub. By modifying the dimensions of the tuning stub, good impedance matching of the antenna can be achieved according to the desired operating frequency. This invention can be used for mobile terminals to transmit and receive UWB signals in the frequency range of 3.1 GHz-4.9 GHz.

Abstract: The specification and drawings present a new apparatus and method for antenna arrangement by providing a feed arrangement through a flex connection for radiating elements of a first part and a second part (e.g., lower and upper parts, respectively) of a mobile terminal (e.g., a slide-type terminal), wherein the first and second parts are configured to move relative to each other during operation of the mobile terminal. For a slide-type terminal, the first and the second parts can be sliding relative to each other during said operation. This antenna arrangement can be used by any of the cellular or non-cellular wireless systems.

Abstract: The invention relates to a radio antenna and, more specifically, to an internal multiband antenna for use e.g. in a portable telecommunication device, such as a mobile phone. In particularly the invention relates to an antenna module for a mobile terminal comprising including a non-resonant antenna element, two resonant antenna elements each covering at least any one of a first, second, third or fourth frequency band, said two resonant elements are substantially in the same plane and define a planar surface wherein the two resonant elements are each positioned at a corner of the planar surface and the non-resonant element is positioned along an edge of the planar surface.

Abstract: A radio antenna assembly for use in a communication device has an antenna element disposed adjacent to a ground plane to form a physical relationship with the ground plane. A mechanical device is used to change the physical relationship for changing the operating impedance of the antenna element or shifting the frequency band of the antenna assembly. The physical relationship can be changed by mechanically changing the shape of the antenna element. When the antenna element comprises a first radiating element and a second radiating element disposed at a lateral distance from the first radiating element, the physical relationship can be changed by changing the distance. When a physical object is disposed between the antenna element and the ground plane, the physical relationship can be changed by moving or twisting the physical object. The object can be electrically conducting, dielectric or magnetic.

Abstract: A transceiver system having an RF front-end operatively connected to two separate non-50 ohm antennas for separately providing transmission/reception paths for 1 GHz band and for 2 GHz band. A switching module is operatively connected to each antenna for mode and frequency-range selection within each band. Each switching module has a plurality of switching elements connected to a plurality of signal paths. Matching is separately and independently provided for each signal path. The matching can be achieved by using distributed elements or lumped elements arranged in shunt or series in order to widen the bandwidth. An electrostatic discharge protection circuit is provided between the antenna feed point and the switching module. The protective circuit can also be used as a discrete matching network that can be optimized depending on the phone mechanics and dimensions.

Abstract: For manufacturing an antenna there is first defined a meandering shape. A simulated current distribution is determined for a conductive line having said meandering shape. First and second segments of said meandering shape are identified, at which said simulated current distribution exhibits first and second currents respectively, so that a vector sum of said first and second currents is essentially zero. A bend containing said first and second segments is replaced with a direct connection in said meandering shape, thus producing a pruned meandering shape. The antenna will have a radiating antenna element that has a shape equal to said pruned meandering shape.

Abstract: For manufacturing an antenna there is first defined a meandering shape. A simulated current distribution is determined for a conductive line having said meandering shape. First and second segments of said meandering shape are identified, at which said simulated current distribution exhibits first and second currents respectively, so that a vector sum of said first and second currents is essentially zero. A bend containing said first and second segments is replaced with a direct connection in said meandering shape, thus producing a pruned meandering shape. The antenna will have a radiating antenna element that has a shape equal to said pruned meandering shape.