Patent ID: 9054408
Filing Date: 2015-06-09
Classification: G06K,H01Q,H05K,Y10T

Abstract:
1. A removable card adapted for insertion into a memory extension slot of a mobile communication device for creation of a contactless communication channel, the card comprising: a flat card body made from an electrically nonconductive material, said card body having a first and a second external nonconductive surface on opposite sides of the card body; an antenna made of at least one thread of a conductive path on the first external nonconductive surface of the card body, said antenna adapted to resonate at a resonant frequency; a ferromagnetic material layer on at least said first external nonconductive surface of the card body and at least partially covering the antenna on an outer side of antenna relative to the card body; and electrical contacts disposed on the first external nonconductive surface of the card body and adapted for connection in said slot of said mobile communication device, wherein the ferromagnetic material layer is located on a portion of the first external nonconductive surface of the card body that is opposite to the portion of the card body on which the contacts are disposed, and wherein the ferromagnetic material layer extends to a margin of the first external nonconductive surface of the card body.