LAIRD TECHNOLOGIES AB Patent applications |
Patent application number | Title | Published |
20120154247 | MULTIBAND ANTENNA DEVICE AND PORTABLE RADIO COMMUNICATION DEVICE COMPRISING SUCH AN ANTENNA DEVICE - An antenna device for a portable radio communication device comprises a first electrically conductive radiating element including a basic resonance defining section having a first end, a length varying section connected between a feed point of the radiating element and the first end of the basic resonance defining section. The length varying section includes a set of parallel conductive paths and a first switching element selectively supplying radio signals between the feed point and the basic resonance defining section via one of the paths in the set. Each path influences the resonance of the radiating element in a separate way and at least one path includes a reactive element for adjusting the resonance of the first radiating element. | 06-21-2012 |
20120075155 | Antenna Assemblies - Various antenna assemblies are disclosed. In one example, an antenna assembly includes a reflector including a first ground plane, a second ground plane below and spaced apart from the reflector, an antenna adjacent a surface of the reflector opposite the second ground plane, and a grounding post galvanically connecting the first ground plane and the second ground plane. | 03-29-2012 |
20110300489 | Method For Providing A Conductive Material Structure On A Carrier - An exemplary method for providing a conductive material structure on a carrier generally includes applying a photo sensitive material on the carrier and applying a mask on the photo sensitive material. The mask defines a conductive material structure to be formed on the carrier. The method also includes irradiating the defined structure on the carrier in order to prepare for metallization, and metalizing the defined structure for forming the conductive material structure. | 12-08-2011 |
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 |
20110187611 | Antenna Device For A Radio Communication Device - Exemplary embodiments are provided of antenna devices for portable radio communication devices. In an exemplary embodiment, an antenna device generally includes a metal front side part. A first metal back side part is electrically connected to the front side part through a metal top side part. A second metal back side part is electrically connected to the front side part through a metal bottom side part. The bottom and top side parts are positioned at opposite ends of the front side part. The first and second back side parts are distanced from each other by a slot. The front side part is operable for electromagnetically screening the antenna device from a display means of the portable radio communication device. | 08-04-2011 |
20110187610 | Antenna Device For A Radio Communication Device - Exemplary embodiments are provided of antenna devices for portable radio communication devices. In an exemplary embodiment, an antenna device generally includes a metal cover. The metal cover generally includes a front side part, a first back side part connected to the front side part through a top side part, and a second back side part connected to the front side part through a bottom side part. The bottom and top side parts are positioned at opposite ends of the front side part. The first and second back side parts are distanced from each other by a slot. The first back side part comprises a feed point positioned at the slot and a ground point. The first back side part is fed through the feed point. | 08-04-2011 |
20110130179 | ANTENNA DEVICE AND PORTABLE ELECTRONIC DEVICE COMPRISING SUCH AN ANTENNA DEVICE - An antenna device for a portable electronic device, preferably for the FM frequency range, generally includes a monopole radiating and/or radiation receiving element including a feeding portion adapted to be connected to an antenna connection point. An inductor is connectable between the antenna connection point and ground. The input of an amplifier stage is also connectable to the antenna connection point. An output of the amplifier stage is connectable to a radio circuit, all provided in the interior of the portable electronic device. | 06-02-2011 |
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 |
20100259455 | ANTENNA DEVICE AND PORTABLE RADIO COMMUNICATION DEVICE COMPRISING SUCH AN ANTENNA DEVICE - An antenna device for a portable radio communication device operable in at least a first and a second frequency band, includes first and second electrically conductive planar radiating elements. The first radiating element has a feeding portion connectable to a feed device of the portable radio communication device. The second radiating element includes a grounding portion connectable to ground. A controllable switch is arranged between the first and second radiating elements for selectively interconnecting and disconnecting the radiating elements. The state of the switch is controlled by means of a control voltage input. A first filter is arranged between the feeding portion and the control voltage input, to block radio frequency signals. By providing a high pass filter between the first and second radiating elements above a ground plane, quad-band operation is provided with high efficiency in a physically small antenna device. | 10-14-2010 |
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 |
20100149050 | Antenna Device and a Portable Radio Communication Device Comprising Such An Antenna Device - The present invention relates to an antenna device comprising a dielectric carrier, a flexible film and a radiating element, wherein the flexible film is arranged on the dielectric carrier and the radiating element is arranged between the dielectric carrier and the flexible film. | 06-17-2010 |
20100026583 | METHOD OF PRODUCTION OF AN ANTENNA PATTERN - The present invention relates to a method of production of an antenna pattern having a predetermined general outline, with an ink jet printer, laser activation device or similar device. The device creates the antenna pattern with a plurality of empty inner portions within the general outline. | 02-04-2010 |
20100007574 | ANTENNA DEVICE AND PORTABLE RADIO COMMUNICATION DEVICE COMPRISING SUCH AN ANTENNA DEVICE - A quad-band antenna device ( | 01-14-2010 |
20090289858 | ANTENNA DEVICE , A PORTABLE RADIO COMMUNICATION DEVICE COMPRISING SUCH ANTENNA DEVICE, AND A BATTERY PACKAGE FOR A PORTABLE RADIO COMMUNICATION DEVICE - An antenna device for use in a portable radio communication device comprises a ground plane ( | 11-26-2009 |
20090153416 | METAL COVER FOR A RADIO COMMUNICATION DEVICE - The present invention relates to a metal cover ( | 06-18-2009 |
20090066591 | ANTENNA ARRANGEMENT AND A PORTABLE RADIO COMMUNICATION DEVICE FOR SUCH AN ANTENNA ARRANGEMENT - The present invention relates to an antenna arrangement comprising a flexible film ( | 03-12-2009 |