RADIO COMMUNICATION DEVICE HAVING LOOP ANTENNA Russian patent published in 2014 - IPC H01Q1/24 

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to radio communication devices. The device for facilitating radio communication in a portable device comprises: an antenna configured to be connected to a first signal lead and a second lead and having a conducting track with a loop structure, a first conducting part and a second conducting part, wherein the first conducting part is electrically connected in parallel to the second conducting part, and the first conducting part has a first electric length which provides differential resonance, having a first operating frequency band; and an earthing element, having a first end and a second end, and having a first signal lead at the first end which is connected to the antenna, and a second lead at the first end which is connected to the antenna, wherein the first conducting part has an area situated near the first signal lead and the second lead and is configured to have electromagnetic coupling with the first signal lead and the second lead, and the second conducting part has an area situated near the first signal lead and the second lead and is configured to have electromagnetic coupling with the first signal lead and the second lead.

EFFECT: enabling operation of the device in a plurality of different operating frequency bands.

22 cl, 9 dwg