Patent application number | Description | Published |
20090153416 | METAL COVER FOR A RADIO COMMUNICATION DEVICE - The present invention relates to a metal cover ( | 06-18-2009 |
20100238080 | Antenna Device and Portable Radio Communication Device Comprising Such Antenna Device - The present invention relates to an antenna device for a portable radio communication device adapted for receiving radio signals in at least a first operating frequency band. The antenna device comprises a radiating element comprising a feeding portion and a tuning capacitor connected to the feeding portion of the radiating element. The antenna device further comprises a low pass filter connected to the feeding portion and to a high impedance low noise amplifier for the at least a first operating frequency band, between the tuning capacitor and the high impedance low noise amplifier. | 09-23-2010 |
20100302114 | ANTENNA DEVICE AND PORTABLE RADIO COMMUNICATION DEVICE COMPRISING SUCH ANTENNA DEVICE - The present invention relates to an antenna device for a portable radio communication device adapted for receiving and/or transmitting radio signals in at least a first and a second operating frequency band, said antenna device comprising a half-loop radiating element, comprising a feeding portion and a grounding portion, and arranged to operate at FM frequencies. The antenna device comprises a capacitor at said feeding portion and an inductor at said grounding portion, and said half-loop radiating element is arranged to simultaneously with FM frequencies operate at frequencies at least ten times higher than FM frequencies, wherein said capacitor is arranged to short circuit said half-loop radiating element to ground for frequencies at least ten times higher than FM frequencies and said inductor is arranged to short circuit said half-loop radiating element to ground for FM frequencies. | 12-02-2010 |
20110241967 | Antenna Assemblies For Use With Portable Communications Devices - An antenna assembly generally includes an antenna element, an amplifier, and an electronics protection system coupled generally between the antenna element and the amplifier. In operation, the electronics protection system may filter cross-talk, protect against electrostatic discharge, and/or suppress radiated spurious emissions. The electronics protection system may include first and second inductors disposed in series generally between the antenna element and the amplifier. First and second diodes may be disposed generally between the first and second inductors. | 10-06-2011 |
20120112980 | Antenna Arrangement and a Portable Radio Communication Device Comprising Such An Antenna Arrangement - According to various aspects, exemplary embodiments are provided of multiple-turn loop antenna arrangements or assembly. An exemplary embodiment of an antenna assembly generally includes a multiple-turn loop element arranged in a first layer and a planar element arranged in a second layer. The first and second layers are arranged in parallel and the multiple-turn loop element is arranged on top of the planar element. The multiple-turn loop element has a thickness in the order of or more than the skin depth at a first frequency band for the multiple-turn loop antenna and the planar element has a thickness in the order of or less than the skin depth at a second higher frequency band. | 05-10-2012 |
20120162027 | Antenna Arrangement For A Portable Radio Communication Device - Exemplary embodiments are disclosed of antenna arrangements for portable radio communication devices. In an exemplary embodiment, there is an antenna arrangement for a portable communication device having a metal casing. A front side part forms a ground plane means for the portable radio communication device. A first back side part is connected to the front side part through a top side part. A second back side part is connected to the front side part through a bottom side part. The top and bottom side parts are positioned at opposite ends of the front side part. The first and second back side parts are positioned and distanced from each other by a gap. A magnetic type antenna element is positioned partly in the gap and positioned partly over or along the first back side part, the top side part, or the front side part. | 06-28-2012 |
20120231860 | ANTENNA ARRANGEMENT AND PORTABLE RADIO COMMUNICATION DEVICE THEREFORE - An exemplary embodiment includes an antenna arrangement for a portable radio communication device comprising at least a first radiating element and a ground plane means. The antenna arrangement comprises a first conductor, which first conductor in a first point is electrically connected to the ground plane means through a high pass filter means and in a first end is open ended. A second end of the first conductor is connected to a FM receiver, FM transmitter, or FM transceiver. | 09-13-2012 |
20120249384 | ANTENNA ARRANGEMENT AND A PORTABLE RADIO COMMUNICATION DEVICE COMPRISING SUCH AN ANTENNA ARRANGEMENT - An exemplary embodiment includes an antenna arrangement for a portable radio communication device comprising an NFC (near field communication) antenna, a BT (Bluetooth) antenna and an FM (frequency modulation) antenna. The NFC antenna, BT antenna and FM antenna are positioned in close proximity to each other and are operable simultaneously. The NFC antenna is fed through a first decoupling filter and is grounded through a second decoupling filter. | 10-04-2012 |
20120319909 | ANTENNA DEVICES AND PORTABLE ELECTRONIC DEVICES COMPRISING SUCH ANTENNA DEVICES - An exemplary embodiment of an antenna device generally includes a radiator structure with at least one first radiator element. The antenna device also includes a first feeding connection coupling the radiator structure to a first radio circuit for operation in a first frequency band. The antenna device further includes a second feeding connection coupling the radiator structure to a second radio circuit for operation in a second frequency band. A set of capacitors is connected to the radiator structure. This set includes at least one capacitor where a first end of each capacitor in the set is connected to the radiator structure and a second end is provided at ground potential, at least for the first frequency band. The sum of the values of the capacitors in the set is below 15 picofarads. | 12-20-2012 |
20120322393 | MULTIBAND LOOP ANTENNA AND PORTABLE RADIO COMMUNICATION DEVICE COMPRISING SUCH AN ANTENNA - An exemplary embodiment of an antenna device for operation in at least two operational frequency bands generally includes a loop element having a feeding end for connection to radio communication circuitry and a grounding end for connection to ground. The antenna device also includes first filtering means connecting the grounding end to ground, and switching means parallel with the first filtering means. The switching means is configured to connect the grounding end to ground parallel with the first filtering means in a first state, to match the loop element to a first operational frequency band of the at least two operational frequency bands. The switching means is configured to connect the grounding end to an open end parallel with the first filtering means in a second state, to match the loop element to a second operational frequency band of the at least two operational frequency bands. | 12-20-2012 |
20130038500 | SWITCHING ARRANGEMENT FOR AN ANTENNA DEVICE - Exemplary embodiments are disclosed of switching arrangements for antenna devices. Exemplary embodiments are also disclosed of antenna arrangements and portable radio communication devices including such switching arrangements. An exemplary embodiment includes a switching arrangement for an antenna device operational in at least two frequency bands. In this example, the switching arrangement generally includes a switching device that is switchable into at least a first state and a second state. The switching device includes at least a first port, a second port, and a third port. The first port is connectable to an antenna device. The second port is connected to the first port in the first state. The third port is connected to the first port in the second state. The switching arrangement includes an inductor connected between the first port and ground. | 02-14-2013 |
20130050045 | MULTIPLE-TURN LOOP ANTENNA ARRANGEMENT AND A PORTABLE RADIO COMMUNICATION DEVICE COMPRISING SUCH AN ARRANGEMENT - An exemplary embodiment includes a multiple-turn loop antenna arrangement comprising a multiple-turn loop element. The multiple-turn loop element is arranged in a first layer. A ground plane element is arranged in a second layer. The first and second layers are arranged in parallel. The multiple-turn loop element is arranged on top of the ground plane element. The ground plane element comprises slots interrupting eddy currents in the ground plane element, which would short signals in the multiple-turn loop element. | 02-28-2013 |
20130120208 | Auxiliary Antenna Device, Antenna Set, and Handheld Radio Communication Device - In an exemplary embodiment, there is an auxiliary antenna device for a handheld radio communication device including ground plane means extending in a main direction and a main antenna device having an antenna element operatively coupled to the ground plane means and configured for reception of signals at a selected frequency and polarized essentially in the main direction. The auxiliary antenna device includes a balanced or self-balanced antenna element arrangement, an amplifier, and an output port. The balanced or self-balanced antenna element arrangement is configured for reception of signals at the selected frequency and polarized in a direction essentially orthogonal to the main direction. The amplifier is operatively connected to the balanced or self-balanced antenna element arrangement and configured for amplification of signals received by the balanced or self-balanced antenna element arrangement. The output port is operatively connected to the amplifier and configured to output signals amplified by the amplifier. | 05-16-2013 |
20130120221 | Center Offset Fed Multiband Monopole Antenna and Portable Radio Communication Device Comprising Such An Antenna - Exemplary embodiments are disclosed of antenna devices for portable radio communication devices. In an exemplary embodiment, an antenna device comprises a monopole radiating element to be positioned along one end of a portable radio communication device, for operation of a plurality of complementary frequency bands including the FM frequency band. A feed offset positioned on the monopole radiating element divides the monopole radiating element in a first part and a second part to provide at least one complementary frequency band additional to the FM frequency band. The FM frequency band and the at least one additional complementary frequency band are fed through the feed. | 05-16-2013 |