Abstract: An apparatus including: a first antenna element; a second antenna element; a ground plane element for at least one of the first and second antenna elements; a first choke arranged to affect a first maximum of current density produced in the ground plane element by the first antenna element; and a second choke arranged to affect a second maximum of current density produced in the ground plane element by the second antenna element.

Abstract: An apparatus including: a first antenna element; a second antenna element; a ground plane element for at least one of the first and second antenna elements; a first choke arranged to affect a first maximum of current density produced in the ground plane element by the first antenna element; and a second choke arranged to affect a second maximum of current density produced in the ground plane element by the second antenna element.

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 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 including a first shorted patch having a first resonance frequency (GSM1800), a second shorted patch having a second resonance frequency (E-GSM) connected to the first shorted patch for sharing a feed point, and a third shorted patch having a third resonance frequency (GSM1900) located adjacent to the second shorted patch. The second shorted patch has an extended portion surrounding at least two sides of the first shorted patch, leaving a gap therebetween. The third shorted patch serves as a parasitic patch to increase the bandwidth of the second shorted patch. Part of the extended portion of the second shorted patch is extended beyond the top edge of the ground plane to which the patches are grounded.

Abstract: A radio antenna including a first shorted patch having a first resonance frequency (GSM1800), a second shorted patch having a second resonance frequency (E-GSM) connected to the first shorted patch for sharing a feed point, and a third shorted patch having a third resonance frequency (GSM1900) located adjacent to the second shorted patch. The second shorted patch has an extended portion surrounding at least two sides of the first shorted patch, leaving a gap therebetween. The third shorted patch serves as a parasitic patch to increase the bandwidth of the second shorted patch. Part of the extended portion of the second shorted patch is extended beyond the top edge of the ground plane to which the patches are grounded.

Abstract: A radio antenna including a first shorted patch having a first resonance frequency (GSM1800), a second shorted patch connected to the first shorted patch for sharing a first feed point, and a third shorted patch separately having a second feed point. A first switch and a second switch connect between the ground and, respectively, the first and the second feed points. To cause the second and third shorted patches to produce, respectively, a second (E-GSM900) and a third resonance frequency (PCS1900), the first switch is operated in the open position while the second switch is operated in the closed position. To cause the first and third shorted patches to produce, respectively, a third frequency and a fourth resonance frequency (UMTS), the first switch is operated in the closed position while the second switch is operated in the open position.

Abstract: An antenna configuration for a mobile communication device. The antenna configuration includes at least a first antenna configured so that the first antenna may be mounted near or between a speaker and a earpiece of a mobile station. In an embodiment of the invention, the first antenna comprises a substantially flat conductor including at least one hole for passing sound from the speaker to the earpiece of the mobile station. The first antenna is configured to receive GPS signals. A second antenna is implemented on the mobile station to transmit and receive cellular transmissions.

Abstract: The invention relates to an internal antenna (1) for a wireless handportable communication device (2), comprising: an antenna plate (3) fuinctioning as an radiator, a feed element (5) to feed the radiator (3), and attachment elements (10, 12) to attach the antenna (1) to a wireless communications device (2), which comprises an electrically conductive earth plane (4). The attachment elements (10, 12) comprise a cover structure (12) for bracing the antenna plate (3) on the wireless communications device (2). The antenna (1) further comprises a support frame (10) or spacers (21) for keeping the antenna plate (3) at a distance from the earth plane (4).

Abstract: The present invention concerns an apparatus for connecting a radio frequency signal between the integral antenna of the radio communication device and the external antenna, preferably a car antenna. The apparatus in accordance with the invention comprises a resonant element, preferably a helical coil conductor having an electromagnetic coupling with the antenna of the radio communication device and its first connection point being coupled capacitatively with the ground plane of the radio communication device and its second connection point being connected with a coaxial conductor to said external antenna. The apparatus in accordance with the invention further comprises a matching element, preferably a helical coil conductor coupled electromagnetically to said antenna and said resonant element.